You have a set of drawings and a specification book that calls out Division 09 finishes, and you need to know what the painting package actually costs before you bid. Painting is not a single square-foot number. The price depends on substrate, coating system, surface preparation, and how many coats the spec requires. We take off the paint scope line by line, by substrate and by finish schedule, so you can see where the gallons and labor hours go.
- Deliverable
- Excel estimate + marked-up PDF plans
- Organized by
- CSI MasterFormat section
- Turnaround
- 24–48 hours for most projects
- Pricing
- ZIP-code-adjusted material and labor pricing
- Software
- Bluebeam Revu, PlanSwift, RSMeans data
We organize the takeoff by CSI MasterFormat division, with separate line items for interior gypsum board, exterior masonry, wood trim, doors and frames, concrete floors, and structural steel. Each line carries the surface area or count, the coating system, and the number of coats. We price material and labor with ZIP-code-adjusted rates from RSMeans data, and we mark up the plan set so you can trace every quantity back to the sheet. If your project also includes flooring or drywall, we can take those off on the same set of plans — see our Flooring Estimating Services and Drywall Estimating & Takeoff. Most painting takeoffs return in 24–48 hours; rush is available when your bid date is close. For projects in Texas, California, Florida, New York, or North Carolina, we adjust labor rates to the local market — start with Texas estimating if that is where you build.
As a painting estimating company, we work from the finish schedule and the paint schedule, not from a single coverage assumption. We pull square footage from on-screen takeoff in PlanSwift and Bluebeam Revu, then apply the manufacturer coverage rate for the specified product. When an addendum or RFI changes a coating, we revise the affected line items and flag the delta. For public work we track submittal requirements, VOC limits, and LEED credits that affect which products can be used. Whether you need a full painting bid estimating package or a residential painting takeoff, the deliverable is the same: quantities you can price, by substrate and by coat.
When you request a painting cost estimate, we align our takeoff with the spec sections that govern the work — Section 09 91 00 for interior painting and Section 09 93 00 for exterior finishes. We note the specified products, whether that is Sherwin-Williams, Benjamin Moore, or PPG, and we apply the correct coverage rate for each. For steel, we follow SSPC and NACE surface preparation standards, and for architectural finishes we reference MPI and ICC standards. Plumbing and mechanical scopes that affect painting, such as IPC and UPC pipe insulation, are excluded unless you tell us otherwise. If you need a painting estimate for contractors who bid public work, we also track AIA billing requirements and certified payroll. Ready to start? Get an estimate.
What our painting estimating services cover
We take off the coating scope from the finish schedule, elevation drawings, and Division 09 specification sections. Every surface that receives primer, paint, stain, or a high-performance coating is measured by substrate and coating system. We do not lump interior and exterior into one square-foot number, because the labor and material rates are different and the prep requirements are different.
Interior Gypsum Board
Measure wall and ceiling areas, deduct openings, price primer plus two finish coats.
SFExterior Masonry
Take off CMU and concrete surfaces, include block filler and elastomeric coating.
SFWood Siding & Trim
Measure siding area and linear trim, price prime and two topcoats.
SF · LFDoors & Frames
Count each side of door and frame, price prime and two coats per side.
EAWindows & Storefronts
Count or measure linear frame length, price field painting of frames and mullions.
EA · LFConcrete Floors
Measure floor area, price sealer or epoxy coating system including surface prep.
SFStructural Steel
Measure steel surface area, price shop primer touch-up and field topcoats.
SF · LFSpecialty Coatings
Price high-performance coatings on concrete or steel, including mockup and warranty requirements.
SFWhat every painting estimating takeoff includes
- Interior gypsum board walls and ceilings — prime and two finish coats (SF)
- Exterior masonry and CMU — block filler plus elastomeric coating (SF)
- Exterior wood siding and trim — prime and two finish coats (SF and LF)
- Interior doors and frames — each side, prime and two coats (EA)
- Windows and storefront frames — field painting (EA or LF)
- Baseboard, crown, and casing — prime and two coats (LF)
- Concrete floors — sealer or epoxy coating (SF)
- Structural steel — shop primer touch-up and field topcoats (SF or LF)
- Staining and clear finishing on wood (SF or LF)
- High-performance coatings on concrete or steel (SF)
- Caulking and sealants at joints and penetrations (LF)
- Surface preparation — power washing, sanding, patching (SF or LS)
Paint quantity calculator
Estimate gallons for walls. A full takeoff separates substrates, coating systems, ceilings, doors, frames and trim from the finish schedule.
Coverage varies by product and surface; 350 SF per gallon is a common label rate for smooth drywall. Porous or textured surfaces use more.
Need the full takeoff with pricing? Upload your plans.
How our painting estimator builds a quantity takeoff
- Review finish schedule and specsWe start with the finish schedule and Division 09 specification sections. We note the coating system for each substrate, the number of coats, and any special requirements like block filler or intumescent coating. If the schedule calls for a level 5 drywall finish, we flag it because it changes the prep and the paint coverage.
- Measure surfaces by substrateUsing Bluebeam Revu and PlanSwift, we measure wall area, ceiling area, and exterior elevation area. We separate gypsum board from CMU, concrete, wood, and metal. We count doors and frames, and we measure trim in linear feet. Openings over 10 SF are deducted; smaller openings are not, because the trim and jamb painting offsets the deduction.
- Apply coating system and coverage ratesFor each substrate, we apply the specified primer and finish coats. We use coverage rates from RSMeans data and manufacturer product data — typically 300–400 SF per gallon for interior latex on smooth drywall, lower for rough or porous surfaces. We calculate gallons by dividing area by coverage rate and multiplying by the number of coats.
- Add waste, prep, and accessWe add a waste factor — typically 5–10% for brush and roller, higher for spray application. We include surface preparation as a separate line: power washing for exterior, sanding and patching for interior. We also add scaffolding, lifts, and fall protection when the work is above 10 feet or on an exterior elevation.
- Price with ZIP-code-adjusted ratesWe price material and labor using ZIP-code-adjusted rates from RSMeans data. Labor rates reflect the local market, and we separate painting labor from prep and access labor. The result is a bid-ready estimate with gallons, labor hours, and cost per square foot for each substrate.
- Deliver Excel and PDF with marked-up plansYou receive an Excel workbook organized by CSI MasterFormat division, a PDF for review, and a marked-up plan set showing the areas we measured. Every line item references the sheet and specification section it came from, so you can check our quantities against your own takeoff.
What we need from you
- Architectural drawingsFloor plans, elevations, and reflected ceiling plans. We use these to measure wall, ceiling, and exterior areas.
- Finish scheduleRoom-by-room finish schedule showing paint, stain, or coating type for each surface. Without it, we have to assume a standard system.
- Division 09 specificationsSections 09 90 00 through 09 97 00, including surface preparation and coating system requirements.
- Door and window scheduleTo count doors, frames, and windows by type and size, and to determine which are field-painted.
- Bid date and locationSo we can prioritize rush work and apply the correct ZIP-code-adjusted labor rates.
- Color schedule and finish planIf multiple colors or sheens are specified per room, we need this to account for color changes and additional coats.
Sample painting cost estimate takeoff format
This is an illustrative excerpt from a mid-size commercial project. Quantities are derived from the dimensions and counts shown.
| Section | Line item | Qty | Unit | Ref. |
|---|---|---|---|---|
| 09 91 23 | Interior gypsum board walls — prime and two coats | 48,000 | SF | A-201 |
| 09 91 23 | Interior gypsum board ceilings — prime and two coats | 12,000 | SF | A-202 |
| 09 91 13 | Exterior CMU walls — block filler and two coats elastomeric | 18,000 | SF | A-301 |
| 09 91 23 | Interior doors and frames — each side, prime and two coats | 96 | EA | A-601 |
| 09 91 23 | Baseboard and casing — prime and two coats | 4,200 | LF | A-201 |
| 09 96 00 | Concrete floor sealer — two coats | 8,000 | SF | A-401 |
| 09 97 13 | Structural steel — field topcoats | 6,500 | SF | S-501 |
| 09 91 23 | Exterior wood trim — prime and two coats | 1,200 | LF | A-301 |
| 09 91 23 | Caulking and sealants at joints and penetrations | 3,500 | LF | A-501 |
| 09 91 23 | Surface preparation — power washing exterior | 18,000 | SF | A-301 |
Units we measure and how we count them
Painting quantities come from area, length, and count. We measure each substrate separately because coverage rates and prep methods differ. Here is how we count the main items.
| Item | Unit | How it's measured |
|---|---|---|
| Interior gypsum board walls | SF | Wall area from floor to ceiling, minus openings over 10 SF |
| Interior gypsum board ceilings | SF | Ceiling area from reflected ceiling plan, including soffits and bulkheads |
| Exterior masonry and CMU | SF | Elevation area from exterior elevations, minus openings |
| Exterior wood siding and trim | SF and LF | Siding by area, trim by linear feet along runs |
| Interior doors and frames | EA | Each door counted per side; frames counted separately if painted |
| Baseboard, crown, and casing | LF | Linear feet along wall runs, measured from floor plans |
| Concrete floors | SF | Floor area from finish plan, excluding areas under equipment |
| Structural steel | SF or LF | Surface area from member sizes and lengths, or linear feet of member |
| Caulking and sealants | LF | Joint length at corners, penetrations, and transitions |
| Surface preparation | SF or LS | Area power washed, sanded, or patched; lump sum if scattered |
Worked example: interior gypsum board walls — coating volume and waste
This example uses a small tenant improvement: a single room with four walls, one door, and one window. Dimensions are illustrative and chosen for easy math. The coating system is a standard interior latex: one primer coat plus two finish coats. We show every step from dimensions to gallons, with waste as a separate line.
-
Measure wall area. Room is 20 ft by 30 ft, ceiling height 10 ft.
- Perimeter = 2 × (20 + 30) = 100 LF
- Gross wall area = 100 LF × 10 ft = 1,000 SF
-
Deduct openings. One door: 3 ft × 7 ft = 21 SF. One window: 4 ft × 5 ft = 20 SF. Total openings = 41 SF.
- Net wall area = 1,000 SF − 41 SF = 959 SF
-
Apply primer. Coverage rate from manufacturer data: 350 SF per gallon on smooth drywall. One coat.
- Primer gallons = 959 SF ÷ 350 SF/gal = 2.74 gal
-
Apply finish coats. Same coverage rate, two coats.
- Finish gallons = (959 SF ÷ 350 SF/gal) × 2 = 5.48 gal
-
Add waste. Typical waste factor for brush and roller: 7%. We add it as a separate line.
- Primer waste = 2.74 gal × 0.07 = 0.19 gal
- Finish waste = 5.48 gal × 0.07 = 0.38 gal
-
Total gallons.
- Primer: 2.74 + 0.19 = 2.93 gal → order 3 gal
- Finish: 5.48 + 0.38 = 5.86 gal → order 6 gal
| Step | Item | Calculation | Result |
|---|---|---|---|
| 1 | Gross wall area | 100 LF × 10 ft | 1,000 SF |
| 2 | Net wall area | 1,000 SF − 41 SF | 959 SF |
| 3 | Primer (1 coat) | 959 ÷ 350 | 2.74 gal |
| 4 | Finish (2 coats) | (959 ÷ 350) × 2 | 5.48 gal |
| 5 | Waste (7%) | 2.74 × 0.07; 5.48 × 0.07 | 0.19 gal; 0.38 gal |
| 6 | Order quantity | 2.74 + 0.19; 5.48 + 0.38 | 3 gal; 6 gal |
This is the level of detail we provide for every substrate in your takeoff. If the specification calls for a tinted primer or an extra coat due to a color change, we add those as separate lines. For exterior surfaces, coverage rates drop to 200–300 SF per gallon on rough masonry, and we adjust the waste factor upward for spray application. If the room had a level 5 drywall finish, the surface would be smoother and coverage might improve slightly, but the prep cost would increase.
What drives painting cost per square foot
Relative impact on a typical estimate for this trade, based on estimator judgment. Select a bar for details.
Substrate and porosity
Gypsum board, CMU, concrete, wood, and metal each absorb paint differently. CMU requires block filler to achieve a uniform finish, which adds a coat and material. Concrete floors may need moisture testing and pH testing before coating; if the slab is too wet, the coating will fail and the repair cost falls on you.
Gypsum board, CMU, concrete, wood, and metal each absorb paint differently. CMU requires block filler to achieve a uniform finish, which adds a coat and material. Concrete floors may need moisture testing and pH testing before coating; if the slab is too wet, the coating will fail and the repair cost falls on you.
Prep is often the largest labor item. Power washing, sanding, scraping, patching, and caulking can add 20–30% to the painting labor. On repaints, adhesion testing may be required. If the spec calls for a level 5 drywall finish, the prep is more extensive and the paint coverage changes.
A standard interior latex system is prime plus two coats. Exterior elastomeric coatings require a block filler and two coats, and they are applied at a higher film thickness. High-performance coatings like epoxies and intumescents have specific dry film thickness requirements, which affect coverage rates and material cost.
Work above 10 feet requires scaffolding, lifts, or fall protection. Exterior elevations may need swing stages or boom lifts. These access costs are often overlooked in painting bids. We include them as separate line items based on the height and configuration of the building.
Dark-to-light color transitions may require an extra coat or a tinted primer. Specialty finishes like faux finishes, anti-graffiti coatings, or intumescent fireproofing add material and labor. We take these from the finish schedule and specification sections.
On occupied renovations, work must be sequenced around tenants. This may require night or weekend work, additional protection, and daily cleanup. We adjust labor rates and add protection materials when the project is phased or occupied.
Some specifications require a mockup and a warranty period. Mockups add labor and material for a sample area. Warranties may require specific products and application methods, which can increase material cost. We include these when the spec calls for them.
Common scope gaps we catch in paint takeoffs
Painting bids often miss items that are buried in the specifications or spread across multiple sheets. We review the documents line by line to make sure these are included.
- Primer over new drywall, patched areas, or bare wood is sometimes omitted from the finish schedule but required by the specification. We check Section 09 90 00 for surface preparation and primer requirements.
- Level 5 drywall finish is specified in high-visibility areas but not always noted on the finish schedule. It affects both the drywall cost and the paint coverage, so we flag it for coordination.
- Back-rolling and spray application labor is different from brush and roller. The specification may require spray application with back-rolling for a uniform finish, which changes the labor rate and the waste factor.
- Color changes and additional coats for dark-to-light transitions are often not quantified. We review the finish schedule for multiple colors in the same room and add coats as needed.
- Caulking and sealant at joints, corners, and penetrations is typically required but rarely shown on the plans. We measure joint length from typical details and add it as a separate line item.
- Protection of adjacent surfaces — masking, drop cloths, and plastic — is a real cost on occupied renovations. We include it when the project involves phased occupancy or existing finishes.
- Scaffolding, lifts, and fall protection for exterior or high work are sometimes excluded from the painting scope. We add them based on building height and elevation complexity.
- Moisture testing and pH testing on concrete or masonry before coating is required by most coating manufacturers. If the slab is too wet, the coating will fail. We include testing as a line item when the spec requires it.
- Specialty coatings — intumescent, epoxy, elastomeric, anti-graffiti — have specific application requirements and dry film thicknesses. We take them from Section 09 96 00 and 09 97 00 and price them separately.
- Waste factors — typically 5–10% for paint, higher for spray — are often not applied to the gallon calculation. We add waste as a separate line so you can see the impact.
- Stripe coating and touch-up after other trades is a common requirement in commercial projects. We include an allowance for touch-up based on the project type and schedule.
Coating systems by substrate: exterior acrylic, alkyd, and more
The coating system you specify determines the primer, finish coats, coverage rate, and dry film thickness. This table compares common systems by substrate.
| Substrate | Coating system | Typical primer | Coverage rate (SF/gal) | Dry film thickness (mils) |
|---|---|---|---|---|
| Interior gypsum board | Latex, 1 primer + 2 finish | PVA or acrylic primer | 350–400 | 1.5–2.0 per coat |
| Exterior CMU | Elastomeric, block filler + 2 coats | Block filler | 75–100 | 8–12 total |
| Exterior wood siding | Acrylic, 1 primer + 2 finish | Oil or alkyd primer | 200–300 | 2.0–3.0 total |
| Concrete floor | Epoxy, 2 coats | None or epoxy primer | 150–200 | 4–6 per coat |
| Structural steel | Shop primer + field topcoat | Inorganic zinc or epoxy | 200–250 | 3–5 total |
| Interior doors and frames | Latex or alkyd, 1 primer + 2 finish | Acrylic primer | 300–350 | 1.5–2.0 per coat |
| Exterior metal panels | Acrylic or polyurethane, 1 primer + 2 finish | Epoxy primer | 250–300 | 2.0–3.0 total |
Codes, standards, and spec sections that affect quantities
Painting and coating work is governed by a mix of building codes, environmental regulations, and manufacturer requirements. The applicable edition of each code depends on your jurisdiction; always confirm the adopted edition with the local building department before finalizing your bid.
Building codes. The International Building Code (IBC) and International Residential Code (IRC) regulate interior finishes for flame spread and smoke development. These requirements affect the coating type you can use in certain occupancies, such as high-rise or assembly spaces. The International Energy Conservation Code (IECC) may influence exterior coating selection for reflectivity or insulation, though this is less common. The National Electrical Code (NEC) is not directly applicable, but painting near electrical equipment may require coordination.
Fire and life safety. NFPA 13 (sprinkler systems) and NFPA 101 (Life Safety Code) may require specific coatings on structural steel for fire resistance. Intumescent coatings are often specified under Section 09 96 00 and must meet ASTM E119 or UL 263 fire tests. These coatings have specific dry film thickness requirements that directly affect material quantities and cost.
Environmental and safety. OSHA regulations (29 CFR 1926) govern fall protection, scaffolding, and ventilation during painting. Lead-safe work practices under EPA's Renovation, Repair, and Painting (RRP) rule apply to pre-1978 buildings. If lead paint is present, abatement is a separate scope and not included in a standard painting takeoff.
Specification sections. CSI MasterFormat Division 09 covers finishes. The sections that most affect painting quantities are:
- 09 90 00 — Painting and Coating: general requirements, surface preparation, and application.
- 09 91 00 — Painting: includes 09 91 13 Exterior Painting and 09 91 23 Interior Painting.
- 09 93 00 — Staining and Transparent Finishing.
- 09 96 00 — High-Performance Coatings.
- 09 97 00 — Special Coatings: includes 09 97 13 Steel Coatings and 09 97 23 Concrete and Masonry Coatings.
Each section may reference ASTM standards for surface preparation (e.g., ASTM D4258 for concrete, ASTM D4259 for abrasion) and coating performance. These references often dictate the number of coats and the required dry film thickness, which we use to calculate gallons. If the specification calls for a mockup or field testing, we add those as separate line items.
Who uses our painting estimate for contractors
General contractors
You need a painting number to complete your bid. We give you a line-item takeoff you can plug into your estimate, with gallons and labor hours by substrate. You can see exactly what is included and adjust your markup.
Painting subcontractors
You bid multiple projects a week and need accurate quantities fast. We take off the plans and return a priced estimate in 24–48 hours, so you can focus on winning work instead of counting doors and measuring trim.
Developers and owners
You want to validate a contractor's painting bid or budget for a new project. We provide an independent takeoff with ZIP-code-adjusted pricing, so you can compare bids on an apples-to-apples basis.
Architects
You specify the coating systems and need to confirm that your finish schedule is complete. Our takeoff highlights missing primer, prep, or specialty coating requirements before the project goes to bid.