To read a house painting estimate, check that it names the surfaces in scope, lists specific prep tasks, states where primer goes, identifies the exact paint product line and sheen, gives a coat count or coverage standard, sets a repair allowance with an approval process, and spells out warranty exclusions and payment terms.
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Confirm the scope: which surfaces are in and which are out.
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Look for named prep tasks, not "prep included."
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Find the primer plan: spot-prime, full prime or self-priming paint.
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Check the manufacturer, product line and sheen.
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Check the number of coats or the coverage standard.
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Read the repair allowance and how extra work gets approved.
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Look for weather and schedule terms.
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If the house was built before 1978, find the lead-safe line.
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Read the warranty, exclusions, deposit and payment schedule.
You asked three painters to look at your house and got back two bids worth taking seriously. Same siding, same trim, same windows, and the totals are far enough apart that you are not sure what you are paying for. In most cases the difference isn't hiding in the bottom line. It sits in a handful of lines that one bid spells out and the other skips or blurs. This guide walks through those lines one at a time, so you know which bid to call back and what to ask the other contractor to put in writing.
What a complete exterior painting bid looks like
CertaPro Painters, a national painting franchise, published a useful outline in July 2026 called How to Compare House Painting Estimates: 10 Details That Matter. Its ten headings make a good checklist for any bid you get, whoever wrote it:
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The exact project scope
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Surface condition
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Preparation standards
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Primer requirements
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Paint products and sheen
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Coats or coverage standard
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Access and project complexity
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Property protection and cleanup
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Schedule, crew plan and communication
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Warranty, exclusions and change orders
A bid doesn't have to use those headings, but it should answer each one somewhere. Below are the lines where bids most often differ.
Line 1: Scope, or what is getting painted
Start here, because nothing else can be compared until the scope matches. A full exterior job can include siding, trim, fascia, soffits, doors, shutters and gutters. Some bids price all of it. Others price the siding and treat trim or doors as extras.
Go through both bids and mark every surface. If one includes trim, soffits and the front door and the other only says "exterior body," the two numbers describe different jobs. Ask the narrower bid to price the missing surfaces so you can compare them fairly.
Surface condition belongs here too. A good estimate notes what the painter saw on the walkthrough: peeling areas, chalky siding, failed caulk, soft wood. If the bid says nothing about condition, ask what they found.
Line 2: Prep, the line that drives the finish
CertaPro puts it simply: "Preparation often determines how smooth the finish looks and how well the coating performs." It also warns that a bare "Prep included" line is too broad to compare. You need to know which tasks are being done.
Fresh Coat Painters lists the usual tasks: "Patching, sanding, caulking, priming, and power washing (for exterior work) all take real time and materials." A detailed prep line should name each task it includes, for example:
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Power wash or hand wash
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Scrape loose and peeling paint
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Sand rough edges
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Patch holes and dents
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Remove failed caulk and recaulk joints
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Spot-prime bare or repaired areas
Power washing is worth checking on its own. The HomeWyse cost calculator lists power washing as an optional add-on rather than a built-in item. So one bid may include it while another leaves it out, and that alone can explain part of a price gap. Ask each contractor directly whether washing is in the price.
Line 3: Primer
Primer is often where a lower bid quietly saves money. Bare wood, patched spots and repaired areas usually need primer before topcoat. The bid should say whether the plan is spot-priming (only the problem areas) or a full prime coat over the whole surface.
Some premium paints are sold as self-priming. Benjamin Moore describes its Aura Exterior Flat as "Self-priming in most situations." Note the words "most situations." If a bid skips primer because the paint is self-priming, ask how the painter will handle bare wood and repairs.
Line 4: Paint brand, product line and sheen
"Sherwin-Williams paint" is not a product. Every major brand sells several exterior lines at very different price points. CertaPro's advice: "Brand alone is not enough. Confirm the manufacturer, product line, finish, and intended surface." Fresh Coat Painters lists "No mention of which paint brand or product line will be used" among the red flags of a vague estimate.
A complete line reads like "Benjamin Moore Aura Exterior, Flat, siding; Satin, trim" or "Sherwin-Williams Duration Exterior, siding and trim." With the product named, you can look up the manufacturer's page and compare.
Don't judge paint grade by price alone, though. In 2024, Consumer Reports recommended Behr Ultra Exterior (Home Depot, $52 per gallon) and Clark+Kensington Exterior (Ace, $47 per gallon), according to KSAT. CR's test samples "are left on CR's roof for three years, which simulates nine years on a home." Prices have likely moved since 2024, but the point holds: what matters is the named product, not the price tag.
Line 5: Coats, or how "done" is defined
Fresh Coat Painters says plainly: "Your estimate should state how many coats are included and which paint line will be used." CertaPro adds a nuance: "Some projects specify a number of coats; others describe a coverage standard." A coverage standard defines "done" by how the wall looks (even color, no show-through) rather than a fixed number of passes. Either can work, as long as it is written down.
Manufacturers' own guidance helps you judge whether the coat count makes sense:
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Sherwin-Williams Duration Exterior: "use one coat for repaints and two coats for unpainted surfaces."
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Benjamin Moore Aura Exterior Flat: recommended coats listed as "1 or 2."
So a one-coat bid is not automatically cutting corners if it uses a product built for that and you are repainting a similar color over sound paint. If you are changing colors dramatically or painting bare wood, ask why one coat is enough.
A quick gallon check (our own arithmetic, not a sourced figure): Benjamin Moore lists Aura Exterior Flat at 250 to 350 square feet per gallon. At that rate, every 1,000 square feet of paintable surface needs about 3 to 4 gallons per coat, and two coats roughly double that. If a bid lists materials, divide your approximate paintable area by that spread rate and see whether the gallon count is in the right neighborhood. A count far below the math suggests fewer coats than you think.
Line 6: Caulk, wood repair and the repair allowance
This is the line that causes the most surprises mid-job. Fresh Coat Painters notes that older homes can have hidden needs "like old caulking or minor wood rot" that a detailed estimate should call out. CertaPro says to clarify the "Included repair allowance, excluded damage, and approval process for added work," because "Undefined repairs can become a surprise after work begins."
What to ask for in writing:
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What repair work is included in the base price
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What damage is excluded
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A not-to-exceed figure or a unit price (per board, per linear foot) for extra repairs
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A promise that no added work starts without your sign-off, ideally a written change order
A bid with no repair line may look cheaper on paper. It can end up costing more if rotten trim turns up on day two and the price gets set while the crew is already on your ladder.
Line 7: Weather, schedule and access
Paint has temperature limits. Benjamin Moore says Aura Exterior Flat can be applied as low as 40°F, with a 4-hour recoat time. Sherwin-Williams lists Duration down to 35°F. Those limits explain why a bid written this time of year may include weather language, such as rain delays or a clause that pushes work if overnight temperatures drop. That is normal. What you want is a clear start window, an estimated duration and an explanation of who decides when it is too cold or wet to paint.
Also check access and protection. Tall walls, steep grades or tight side yards add ladder or lift time. The bid should say how the crew will protect plants, decks, walkways and windows, and what cleanup looks like at the end of each day and the end of the job.
Line 8: The lead-safe line for homes built before 1978
If your house was built before 1978, this is the missing line that should worry you most. Under the EPA's Renovation, Repair and Painting (RRP) rule, "anyone who is paid to perform work that disturbs paint" in pre-1978 housing must be certified, and that includes sole proprietors and painters. EPA names "painting preparation" as covered work. EPA also states that firms "cannot advertise or perform renovation activities covered by the RRP Rule" in pre-1978 homes without firm certification.
There is an exemption for small jobs: minor repair and maintenance that disturbs 20 square feet or less on the exterior is not covered. A full exterior repaint with scraping and sanding will almost always go past that.
The federal work practice standards (40 CFR 745.85) set out what a lead-safe exterior job looks like:
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"Open-flame burning or torching of painted surfaces is prohibited."
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Power sanders, grinders, needle guns and abrasive blasters on painted surfaces are prohibited unless they have shrouds or containment with a HEPA vacuum attachment.
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Heat guns are allowed "only at temperatures below 1,100 degrees Fahrenheit."
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The ground must be covered with plastic sheeting or other disposable impermeable material extending "10 feet beyond the perimeter of surfaces undergoing renovation," farther if needed to catch debris.
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A certified renovator must visually check the cleanup of windowsills and the ground before warning signs come down.
A bid for a pre-1978 home should mention lead-safe practices, ground sheeting and cleanup. If it doesn't, ask. EPA's guidance for homeowners says "EPA recommends homeowners hire a lead-safe certified contractor" and tells you to "ask contractors if they are lead-safe certified." EPA offers a search tool to find certified firms, so you can check a contractor's claim yourself.
Line 9: Warranty, deposit and payment terms
Warranties vary more than people expect. CertaPro's advice: "Read the written warranty and exclusions instead of assuming every proposal provides the same protection." Fresh Coat Painters says the estimate should state whether a warranty is included, how long it lasts and what it covers. Look for what is excluded, too: peeling over unprimed wood, damage from moisture problems, or areas you asked them to skip.
Payment terms should be just as clear. Fresh Coat Painters says the estimate should set out "clear payment terms," meaning what's due up front, if anything, and what's due on completion. Your state may cap deposits. In California, the Contractors State License Board says, "By law, a down payment cannot exceed 10 percent of the project price or $1,000, whichever is less." CSLB also advises not letting payments get ahead of the work, and getting a written contract that includes the work description, materials, total cost and start and completion dates. Californians can check a license online or at (800) 321-CSLB (2752). Other states have their own rules, so look up your state's contractor licensing board before you hand over a deposit.
Side-by-side checklist for comparing two bids
Lay both bids out and fill in this table. Anything missing becomes a question for that contractor.
| Line item | What a complete bid says | If missing, ask |
|---|---|---|
| Scope | Each surface listed: siding, trim, fascia, soffits, doors, shutters, gutters | "Which surfaces are excluded?" |
| Surface condition | Notes on peeling, chalking, caulk, rot | "What problems did you see on the walkthrough?" |
| Prep | Named tasks: wash, scrape, sand, patch, caulk, spot-prime | "Is power washing included?" |
| Primer | Spot-prime, full prime, or self-priming product named | "How will bare wood and repairs be primed?" |
| Paint product | Manufacturer, product line, sheen per surface | "Which exact product line and sheen?" |
| Coats | Number of coats or a written coverage standard | "How many coats, and how is 'done' defined?" |
| Repair allowance | Included repairs, exclusions, unit price or cap, sign-off process | "What happens if you find rot?" |
| Schedule and weather | Start window, duration, weather terms | "What temperature or weather stops work?" |
| Protection and cleanup | Plant, deck and window protection; daily cleanup | "How will you protect landscaping?" |
| Lead-safe (pre-1978) | RRP certification, ground sheeting, cleanup check | "Are you EPA Lead-Safe Certified?" |
| Warranty | Length, coverage and exclusions in writing | "What does the warranty not cover?" |
| Payment | Deposit amount and schedule tied to progress | "What's due up front, and when is the rest due?" |
Is the total in the right ballpark?
National averages can't tell you what a fair local price is, but they help you spot a bid that's wildly off. NerdWallet's 2026 guide puts the average cost to paint a home's exterior at "just over $3,100." HomeWyse's calculator, dated May 2026, says the estimated national average for exterior house painting "starts at $2.20 - $4.37 per square foot." Prices in your area can run higher or lower depending on labor costs, house size, height and condition. Treat these as context, not as a quote. Your local bids, compared line by line, are the real measure.
Which bid to call back
Call back the bid that names its prep tasks, its exact product line and sheen, its coat count or coverage standard, and its repair allowance. That contractor has told you what you are buying, and you can hold them to it.
If you liked the other contractor, don't rule them out. Send them your list of missing lines from the table above and ask for a revised written bid. A good painter will fill in the gaps without fuss. If they push back on putting prep, product, coats or the lead-safe plan in writing, that tells you what you need to know. Either way, verify the license, get proof of insurance, and sign nothing until every line you care about is on paper.
Related reading
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Ceiling Leak? What to Do in the First 48 Hours, Room by Room
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Lumber Hit a Two-Year Low. So Why Is Your Flooring Quote Still High?
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The Flood Restoration Timeline Facing Hurricane, Utah Homeowners Again
Sources
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CertaPro Painters: How to Compare House Painting Estimates: 10 Details That Matter (July 29, 2026)
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Fresh Coat Painters: What Should Be Included in a Painting Estimate?
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EPA: Renovation, Repair and Painting Program: Do-It-Yourselfers
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40 CFR 745.85, Work practice standards (Cornell Legal Information Institute)
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California CSLB: What You Should Know Before You Hire a Contractor
Note: This article contains AI-assisted content and has been reviewed by our editorial team.
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