What does office and tenant improvement estimating include?
Office and tenant improvement estimating covers the quantities and units behind an interior buildout bid: demolition, framing, gypsum board, ceilings, finishes, doors and hardware, specialties and electrical devices. Each line shows its measurement rule and source sheet, so a reviewer can check the arithmetic before the bid goes out.
Our Professional Office & Tenant Improvement Estimating
An office fit-out is a schedule problem before it is a cost problem. The finish schedule, door schedule and reflected ceiling plan each name products and quantities that must reconcile with the plan sheets, and every addendum can move them. We build the takeoff so each line carries its measurement rule, unit and source sheet, which is the basis of defensible office and tenant improvement estimating.
We work from the full bid set: architectural, mechanical, electrical and plumbing sheets, the demolition plan, and the specifications. Where the set is incomplete, we list the assumptions in a separate tab rather than burying them in a unit price. The deliverable is an Excel workbook with a PDF summary and marked-up drawing pages, so your reviewer can trace any number back to the sheet it came from.
Assembly quantities by wall, ceiling and door type
We measure each assembly by its own rule. Metal stud framing is taken in linear feet by wall type and height, with studs, track, and deflection or slip details counted per segment. Gypsum board is taken in square feet of wall and ceiling area, layered by board type and thickness, with waste stated as a percentage you can adjust. Doors are counted each, with hollow metal frames, leaf type, and door hardware sets scheduled by opening mark. Flooring, paint, and acoustical ceiling tile follow the finish schedule room by room. Our tenant improvement takeoff services cover Division 9 finishes and the Division 10 specialties that usually sit beside them.
Trade labor hours and dollars per line
Labor is priced by trade and by task, not as a single blended rate. We apply published U.S. wage data for the trades the scope touches, then adjust for the market and the crew mix you plan to use. A supervisor's time is carried where the scope justifies it, and the estimator review checks that production assumptions match the building type. The result shows hours and dollars per line, so you can see which trades drive the total before you commit to a bid. Where a project pairs office space with a food service area, our restaurant estimates support the kitchen and dining scope on the same measurement rules.
Bid package pricing by MasterFormat division
The workbook organizes quantities by CSI MasterFormat division, so the estimate maps to the bid package structure your subcontractors price against. Division 9 finishes, Division 10 specialties, Division 26 electrical, and the fire protection scope each get their own section. We flag items that depend on a code review, such as a fire-rated assembly or a life safety path, so they are not priced as a guess. Send your plans through our quote request page and we will confirm scope and fee after reviewing the set.
What Is Included in Our Office & Tenant Improvement Estimates?
Office and tenant improvement estimating starts with the demolition plan and ends at the final clean. Between those points, the scope divides into assemblies that each have a measurable unit and a waste factor. We list every assembly we priced and every one we excluded, because an unstated exclusion is the most common cause of a bid gap.
The estimate follows the current 50-division MasterFormat structure. Interior scopes concentrate in Division 9 (finishes), Division 10 (specialties), Division 26 (electrical), and Division 21 or 13 for fire suppression, with Division 8 doors and windows and Division 5 metal framing carrying the structural work inside the suite. Our commercial estimating services cover the full suite scope, and office and tenant improvement estimating is priced from the same plan set.
| Item | Unit | Measurement rule | Waste |
|---|---|---|---|
| Metal stud partition, 3-5/8 in. | LF | Wall length by height, studs at 16 in. on center | Per manufacturer |
| Gypsum board, 5/8 in. type X | SF | Face area both sides, openings deducted over 10 SF | Typical 10% |
| Acoustical ceiling grid and tile | SF | Ceiling area from reflected ceiling plan | Typical 5% |
| Carpet tile | SF | Finish schedule area by room | Typical 5–10% |
| Hollow metal frame and door | EA | Door schedule mark, frame type by wall | None |
| Door hardware set | EA | Hardware schedule by opening | None |
| Light fixture | EA | Electrical plan count by type | None |
| Receptacle and data drop | EA | Power and telecom plan count by room | None |
Demolition, partitions, ceilings and interior finishes
The scope typically includes selective demolition of partitions, ceilings and flooring; metal stud framing and gypsum board partitions; acoustical ceiling grid and tile; carpet tile, luxury vinyl tile and resilient base; paint; and millwork. Doors and storefront systems are listed with their frames and hardware. Mechanical, electrical and plumbing rough-in is taken from those sheets, with HVAC diffusers, light fixtures, receptacles and data cabling counted each by room. A fire-rated assembly is identified on the wall schedule and priced with its rated board and penetration details.
Square feet, linear feet, each and opening counts
We report quantities in the unit the trade buys in. Partitions are linear feet by height, with gypsum board in square feet of face area. Ceiling grid is square feet with perimeter trim in linear feet. Flooring is square feet by product, with the waste factor stated. Doors, frames, hardware sets, light fixtures, diffusers, receptacles and data drops are counted each. Where a plan sheet is ambiguous, the takeoff notes the assumption and the sheet reference so your reviewer can resolve it before pricing.
Materials, labor, equipment and cost breakdowns
Each line separates material, labor and equipment, then adds the markup structure you specify. The workbook shows quantity, unit, unit cost, extended cost and the source. Labor carries hours and a rate derived from published wage data. Equipment covers lifts, hoists and small tools where the scope requires them. A summary tab rolls the lines to division subtotals and a project total, and the PDF summary presents the same figures for a bid review meeting.
Who Needs Our Office & Tenant Improvement Estimating?
A tenant improvement estimate is read by different people for different reasons. The framing and drywall contractor wants wall quantities and heights. The general contractor wants division subtotals that hold up against three competing bids. The owner's representative wants a budget before the lease is signed. The same takeoff can serve all three when the measurement rules are visible.
We do not publish client names or ratings. What we can show is the arithmetic on each line, which is what a reviewer needs to accept or challenge a number. The same discipline carries into other building types, and our church and religious building estimates support the same line-by-line review.
Interior finish and specialty subcontractors
Drywall, acoustical ceiling, flooring and painting subcontractors use the takeoff to price their own scope without measuring the full set. A ceiling contractor gets grid area, perimeter trim, and fixture and diffuser cutouts counted from the reflected ceiling plan. A flooring contractor gets room-by-room square footage by product. Office and tenant improvement estimating for these trades depends on the finish schedule being current, so we check it against the latest addendum.
General contractors and home builders
A general contractor uses the estimate to assemble the bid package and to compare subcontractor quotes line by line. Our quantity takeoff gives a neutral baseline: if a drywall quote arrives well above the square footage we measured, the gap is visible. Life safety scope, including sprinkler coverage and rated corridors, is called out separately so it is not lost between trades.
Developers, architects and suppliers
Developers use the estimate to test a pro forma before committing to a buildout. Architects use it to check that the specified assemblies fit the budget, especially where a fire-rated assembly or a storefront system drives cost. Suppliers and material vendors use the quantities to scope a package and to time deliveries against the construction schedule.
Types of Office & Tenant Improvement Projects We Estimate
The scope of a ti construction estimate changes with the building type, the occupancy, and how much of the base building system the tenant touches. The table below shows what shifts in each case. Office and tenant improvement estimating for a single suite and for a full floor follow the same measurement rules but different sheet counts.
| Project type | Governing code family | Scope emphasis | Key takeoff driver |
|---|---|---|---|
| Residential | IRC or local residential code | Kitchens, baths, finishes | Cabinet and countertop counts |
| Office tenant fit-out | IBC with local amendments | Partitions, ceilings, MEP | Reflected ceiling and finish schedules |
| Retail shell interior | IBC with local amendments | Storefront, lighting, flooring | Storefront and lighting counts |
| Healthcare suite | IBC plus facility standards | Rated assemblies, medical gas | Rated wall and equipment schedule |
| Industrial office area | IBC with local amendments | Masonry, panels, process utilities | Wall assembly type and utility runs |
Residential projects
Residential work inside a mixed-use building follows the IRC or the local residential code, and the interior scope is smaller. We measure kitchens, baths, closets and finish schedules, with cabinetry and countertops counted each. Confirm which code edition the jurisdiction enforces with the building department before pricing.
Commercial buildings
Commercial fit-outs carry the largest share of this work. We take the demolition scope, new partitions, the act grid, lighting and power, and the sprinkler modifications from the reflected ceiling plan. A material takeoff for a multi-tenant floor is organized by suite so each tenant's scope is separable. Our commercial estimating services cover the full building when the base building work is included, and hotel and hospitality estimating applies the same suite-by-suite logic to guest room floors.
Industrial and infrastructure projects
Industrial interiors use different assemblies: masonry or insulated metal panels instead of stud walls, and process utilities alongside the office area. We separate the office portion from the plant floor so each is priced on its own basis. Where the scope crosses into site work or heavy structure, our commercial construction estimate page describes the wider takeoff. Office and tenant improvement estimating stops at the demising wall, so we mark that boundary on the plan sheet.
Our Office & Tenant Improvement Estimating Process
Every estimate follows the same three steps, and each step leaves a record you can check. We start from the plan sheet index and the specification table of contents so nothing in the set goes unmeasured. The sequence below is what produces an office and tenant improvement estimating workbook you can defend line by line in a bid review, and it follows the same order as a commercial construction cost estimate prepared for a ground-up building.
Before takeoff begins we log the drawing date, the addenda received and the finish schedule revision. A set that is missing an addendum is the most common reason a bid misses scope, so we ask for the complete issue list with the submission.
Submit drawings and specifications
Send the architectural, mechanical, electrical and plumbing sheets, the finish schedule, the door schedule and the specification book. We confirm what we received against the sheet index and tell you what is missing before work starts. If a demolition plan is issued separately, include it, because removal quantities drive the front end of the office renovation quantity takeoff.
Plan review and digital takeoff
An estimator reviews the set on screen, then measures each assembly by its own rule: square feet of 5/8-inch gypsum board on metal studs, linear feet of ACT grid, each carpet tile border and transition, each HVAC diffuser and light fixture. Quantities are entered against the CSI MasterFormat division and the room or area they belong to. A second pass checks the finish schedule room by room against the measured areas, which catches the room that was re-tagged after the last addendum.
Cost calculation, quality checks and delivery
Unit costs are applied by division, waste factors added to finish materials, and labor hours priced from published wage data. A reviewer then re-adds every extended line, confirms the bid package scope matches the drawings, and checks that allowances are labeled as allowances rather than prices. You receive the Excel workbook, the PDF summary and the marked-up drawing pages together.
Sample Office & Tenant Improvement Estimate and Deliverables
The example below is illustrative and uses assumed quantities and assumed unit costs, not a quoted price. It shows how a tenant improvement bid estimate is assembled from measured quantities, so you can see where each number comes from. Assume a 4,800-square-foot open office fit-out in an existing shell, with the landlord delivering the base building and the tenant paying for interior partitions, finishes and electrical rough-in.
Every assembly is coded to its CSI MasterFormat division, so Division 9 finishes, Division 10 specialties and Division 26 electrical sort cleanly in the workbook. Waste factors are stated per material rather than blended into the unit cost, which lets you adjust them when the drawings call for a different pattern or layout. Our office and tenant improvement estimating follows the same sheet logic on every project, and the wider set of construction estimating services covers the sitework and structure trades when a fit-out includes them.
| Item | Qty | Unit | Unit cost range | Extended range |
|---|---|---|---|---|
| Metal stud partitions, 5/8-inch gypsum board both sides | 1,850 | SF | $9.50 – $13.00 | $17,575 – $24,050 |
| Acoustical ceiling, 2x2 ACT grid and tile | 3,400 | SF | $3.20 – $4.40 | $10,880 – $14,960 |
| Carpet tile, 10% waste included | 2,600 | SF | $4.50 – $6.25 | $11,700 – $16,250 |
| Luxury vinyl tile, break and corridor areas | 900 | SF | $6.00 – $8.50 | $5,400 – $7,650 |
| Interior paint, walls and ceilings, two coats | 6,200 | SF | $1.10 – $1.65 | $6,820 – $10,230 |
| Light fixtures, 2x4 LED lay-in | 96 | EA | $145 – $210 | $13,920 – $20,160 |
| Duplex receptacles and data cabling drops | 74 | EA | $185 – $265 | $13,690 – $19,610 |
| Total, illustrative | $80,985 – $112,910 |
Excel quantity takeoff sheet
One tab per division, with columns for the plan sheet reference, the room or area, the measured quantity, the unit of measure and the measurement rule used. Carpet tile and luxury vinyl tile are kept on separate rows with their own waste factors, and each light fixture type carries its fixture tag from the lighting schedule.
Marked-up drawings
The PDF drawing pages carry color-coded highlights and quantity labels over the measured areas: partition runs, ceiling grid zones, floor finish boundaries and device locations. You can open a sheet and trace any workbook row back to the highlighted area that produced it.
Itemized cost estimate
The cost summary rolls the takeoff into material, labor and equipment by division, with the waste factor and labor rate shown on each line. Allowances for items not yet specified, such as millwork or signage, appear as separate lines so they are not mistaken for firm prices.
Software and Pricing Data We Use
Takeoff and pricing are separate steps, and each uses a different kind of tool. Keeping them apart means a measurement error and a price error cannot hide behind each other. The chart below shows the Producer Price Index series for the materials in this scope, rebased to 100, so you can see how the cost of the inputs has moved. The same separation carries into other building types, which is why our healthcare and hospital estimates price medical gas and nurse call on their own lines rather than folding them into the general interior package.
Takeoff and estimating software
The interior finish takeoff runs in on-screen PDF takeoff software, where areas and linear runs are measured directly on the drawing and labeled by sheet. Quantities move into a spreadsheet estimating model organized by CSI MasterFormat division, so Division 9 finishes, Division 10 specialties and Division 26 electrical each carry their own unit and waste rule. Unit costs come from national cost databases and published wage and price data, not from a single vendor catalog. Spreadsheet formulas are left visible so a reviewer can audit any extended line.
Regional material and labor pricing method
Material costs start from national averages and are adjusted with Producer Price Index movement for the relevant commodity, such as steel mill products for hollow metal frames and copper wire and cable for branch circuits. Labor is priced from the wage table below, using the trade that installs the work: carpenters for framing and millwork, electricians for receptacles and light fixtures, painters for finish coats. Location factors, prevailing wage requirements on public work and project conditions such as occupied-building phasing or night work are applied as separate adjustments. The chart below tracks the material series, and the wage table shows the national medians we start from.
Material price movement, Oct 2023 to Sep 2026
| Occupation | 25th percentile | Median | 75th percentile |
|---|---|---|---|
| Construction laborers | $18.57 | $22.66 | $28.72 |
| Carpenters | $23.32 | $29.12 | $36.94 |
| Electricians | $23.76 | $30.38 | $40.36 |
| Plumbers, pipefitters and steamfitters | $24.13 | $30.67 | $40.92 |
| Cement masons and concrete finishers | $22.60 | $27.41 | $32.15 |
| First-line supervisors, construction trades | $30.48 | $38.42 | $48.78 |
| Cost estimators | $29.40 | $37.86 | $48.97 |
Base wages before payroll taxes, insurance and benefits. Source: BLS Occupational Employment and Wage Statistics, national, all industries.
Why Contractors Choose Our Estimating Services
The reasons are procedural, not promotional: each one describes how the estimate is built and checked. That matters most on fit-out work, where a missed Division 10 specialties item or an unmeasured data cabling run can erase the margin on a small job. The same discipline carries across our professional retail and shopping center estimating, where finish schedules and storefront scope drive the numbers.
Trade-specific expertise
Office fit-out estimating is mostly interior scope, so the estimator measures gypsum board by wall type, ACT grid by ceiling zone, and floor finishes by pattern and waste. Millwork, storefront, hollow metal frames and door hardware are taken off from the door and finish schedules rather than estimated as lump sums. Data cabling, fire-rated assemblies and life safety devices are measured against the reflected ceiling and electrical plans, where the counts actually live.
Quality control and clear assumptions
Every workbook states its assumptions on a dedicated tab: waste factors used, allowances carried, exclusions such as owner-furnished furniture, and the drawing date and addenda the takeoff is based on. A second estimator re-adds the extended quantities and checks that each line has a unit and a measurement rule. When a quantity is estimated rather than measured, it is flagged rather than blended in.
Turnaround, communication and revisions
Delivery dates are agreed in writing when you send the plans, based on the scope and the size of the set. If an addendum arrives mid-takeoff, we note which sheets change and revise the affected rows. Revisions after delivery are handled against the same workbook, so you can see what changed between issues. To start, send your plans and we will confirm scope and fee before any work begins.
Office & Tenant Improvement Estimating Pricing
The fee for office and tenant improvement estimating is quoted per project after we read the plan set, not published as a rate card. We price the work from the sheet count, the trades the package touches, the number of alternates and the addenda issued to date. A 12-sheet interior fit-out in Division 9 finishes prices differently from a 90-sheet core-and-shell conversion with a new storefront and a full Division 26 electrical package. Send the drawings and the bid form through send your plans and the quote comes back tied to that scope.
How quotes are calculated
We scope the quote against the drawing index and the specification sections, then count the line items each trade requires. A commercial tenant improvement takeoff that covers demolition, metal stud framing, gypsum board, acoustical ceiling grid, carpet tile, paint and Division 10 specialties carries more measurement lines than a finishes-only package, and the fee follows the count. Alternates, unit-price schedules and a separate demolition plan each add scope. The calculator below does not produce our fee; it converts a building area and your own hard-cost assumptions into a budget total and an all-in cost per square foot, so you can see how soft costs, contingency and escalation stack before you send plans.
What affects price and delivery time
Sheet count moves the price first: a tenant improvement set with architectural, mechanical, electrical and plumbing sheets, a finish schedule and a door schedule needs every sheet read against the others. Trades move it next, because a package with a storefront, hollow metal frames and fire-rated assemblies demands more cross-checking than paint and carpet alone. Addenda lengthen the work when they reissue schedules after the first pass, and a short bid date compresses the review we can do before delivery. We confirm the delivery date with the quote, and that date holds to the scope as issued.
Square-foot budget calculator
- Hard cost
- $444,000
- Soft costs
- $53,280
- Contingency
- $49,728
- Escalation
- $21,880
- Budget total
- $568,888
- All-in per sq ft
- $237
Enter your own base rate from a recent bid, cost book or estimator. The default values are placeholders for the math, not market prices.
Office & Tenant Improvement Estimating Across the US
One team handles office and tenant improvement estimating in all 50 states, and the labor line changes with the market. National average unit costs are adjusted with published U.S. wage data and price indexes, then reviewed by an estimator, so a carpenter hour in one metro does not carry the same rate as another. Public work adds prevailing wage requirements that shift the labor burden on every trade, and we ask for the wage determination when the project is publicly funded. Material delivery also moves the number: a Division 9 finish takeoff priced for a rural site may carry freight and longer lead times that a metro warehouse does not. Climate and code editions drive scope as well, from added insulation and vapor control to the sprinkler and life safety revisions the local building department enforces. A door schedule measured in linear feet of frame and each of hardware still has to match the fire-rated assembly listed on the plan sheet. Regional differences stay visible in the estimate rather than averaged away, and the quantity takeoff services behind each line keep the measurement rule attached, the same discipline we apply to professional school and education building estimating.
Frequently Asked Questions
How much does an office & tenant improvement estimate cost?
The fee is quoted per project after we review the drawings, so it depends on the number of plan sheets, how many CSI divisions the scope touches, whether demolition and new partitions both appear, and how complete the finish and door schedules are. We confirm the scope and the fee in writing before plan review begins. No prices are published because two tenant fit-outs of the same square footage rarely carry the same sheet count.
How long does an office & tenant improvement takeoff take?
Delivery is set by sheet count, the number of addenda, and how much of the scope is scheduled versus drawn, and we confirm the date with your quote rather than publishing a fixed turnaround. A core-and-shell drawing set with a full Division 9 schedule moves faster than a phased renovation with existing conditions to verify. Send the complete set at once so the schedule reflects the real scope.
Do you estimate labor and material costs?
Both. Material quantities come from the takeoff in square feet, linear feet and each, and labor is priced from published U.S. wage data by trade, then reviewed by an estimator. Office and tenant improvement estimating separates carpentry, drywall finishing, electrical and mechanical labor because their wage rates differ. The workbook shows the quantity, the unit, the rate basis and the extension so you can audit any line.
What drawings do you need?
Send the architectural, reflected ceiling, electrical, mechanical and plumbing sheets, plus the finish schedule, door schedule and hardware sets, and every addendum issued. Demolition and existing-condition plans matter on a renovation because they set the scope of removal. If a sheet is missing we list the assumption in the workbook rather than pricing silently.
Can you use my estimate template?
Send the template with the plans and we confirm whether the estimate can be delivered in it before work starts. Most client formats map cleanly to CSI MasterFormat line items with quantity, unit and rate columns; a format built around a different cost structure may need a companion sheet. We tell you which before the quote is issued.
Do you sign NDAs?
Clients can request an NDA before sending drawings, and the terms are agreed before plan review begins. Send the draft with your initial inquiry so the paperwork does not delay the takeoff. We do not publish a standard NDA policy because the terms are set per client.
Which CSI divisions drive most of an office fit-out estimate?
Division 9 finishes usually carries the largest line count: gypsum board assemblies, ACT grid and tile, carpet tile, luxury vinyl tile, paint and wall base. Division 10 specialties, Division 26 electrical and Division 23 mechanical follow, and Division 8 doors, frames and hardware carry the fire-rated assembly requirements. We tag each line to its division so the bid package sorts cleanly.
How do you handle demolition in a tenant improvement takeoff?
Demolition is measured from the existing-condition and demolition plans, not inferred from the new layout. We count linear feet of partition removal, square feet of ceiling and floor removal, and each fixture, door and frame scheduled for salvage or disposal. Where the drawings do not confirm existing construction, the workbook flags it as an assumption for the site walk.
Do you price fire-rated assemblies and life safety scope?
Yes. Rated partitions, hollow metal frames, door hardware and the sprinkler modifications shown on the life safety sheets are taken off as separate lines so the rating requirement stays visible. We reference the code family shown on the drawings and remind you to confirm the local code edition with the building department, since amendments vary by jurisdiction.
How is a Division 9 finish takeoff organized?
By finish tag from the finish schedule, so each room group carries its own square footage or linear footage against the scheduled product. Carpet tile, luxury vinyl tile, paint and wall base are measured separately, and waste factor is applied per material at a typical range stated on the line. That structure lets a subcontractor check our quantity against their own without re-sorting the sheet.
Can you estimate a phased office renovation occupied during construction?
Yes, and phasing changes the labor lines rather than the quantities. Work sequenced around occupied floors adds mobilization, protection and after-hours premiums that we show as separate items so you can see what phasing costs. Send the phasing plan with the drawings; without it we price the scope as a single continuous sequence.
Do you take off electrical and low-voltage scope for an office buildout?
We count light fixtures, receptacles, switches, data cabling drops and devices from the electrical and technology sheets, and HVAC diffusers and returns from the mechanical drawings. Device counts are per each against the reflected ceiling plan and the power plan, and copper wire and cable pricing is adjusted with published producer price data. Mismatches between the two plans get flagged.
What does the finished estimate include?
An Excel workbook with quantity, unit, measurement rule, rate basis and extension on every line, a PDF summary, and marked-up drawing pages showing where each quantity was taken. The source of each rate is identified so a reviewer can trace it. This is the same deliverable structure we use across our commercial construction estimate work.
Can you estimate millwork and storefront scope in a tenant fit-out?
Yes. Reception millwork, casework and any storefront or interior glazing are taken off by linear feet or each from the elevations and details, with hardware and glazing separated. Millwork is one of the lines most often under-measured because it is drawn on elevations rather than plans, so we check both. Lumber and wood product pricing is adjusted with published index data.