How to Price Interior Painting Jobs
Price interior painting at $2–$5 per square foot of wall area, or $400–$800 per average room (12x12) including two coats, prep, and materials. Labor should be 75–85% of your total price. Charge separately for extensive prep work like wallpaper removal, skim coating, or lead paint abatement. Target 40–50% gross margin on interior projects.
Interior painting is the core revenue stream for most painting contractors. It is high-demand, year-round work with strong margins when priced correctly. But estimating interior painting accurately requires more than measuring walls — prep work, surface condition, paint quality, ceiling height, and trim all affect your price. The best painting contractors use systematic estimating that accounts for every variable.
Per-Room vs. Per-Square-Foot Pricing
Two pricing methods dominate interior painting. Per-room pricing quotes each room as a unit — $400–$800 for an average bedroom, $600–$1,200 for a living room, $200–$400 for a bathroom. This method is easy for clients to understand and compare. Per-square-foot pricing measures total paintable wall area and prices at $2–$5 per square foot depending on your market and the surface condition. This method is more precise for open floor plans, rooms with unusual dimensions, and whole-house projects. Most successful painters use per-square-foot for estimating internally but present per-room prices to clients. This gives you accuracy behind the scenes and simplicity in your proposal.
Pricing Prep Work Separately
Prep work is where most painting estimates go wrong. Experienced painters know that prep takes 50–70% of total job time on older homes and 20–30% on newer construction. Break prep into categories with separate pricing: surface cleaning and deglossing ($0.25–$0.50 per sq ft), filling nail holes and minor repairs ($0.15–$0.30 per sq ft), caulking trim and baseboards ($1–$2 per linear foot), sanding between coats ($0.15–$0.25 per sq ft), wallpaper removal ($2–$5 per sq ft), and skim coating damaged walls ($3–$6 per sq ft). List prep work as a separate line item in your estimate. When clients see the prep cost broken out, they understand why a repaint of their 1990s kitchen costs more than painting new drywall.
Paint Selection and Material Costs
Material costs typically represent 15–25% of your total price. Budget paint (contractor grade) costs $20–$30 per gallon and covers 350–400 sq ft per coat. Mid-range paint (Benjamin Moore Regal, Sherwin-Williams Duration) costs $45–$65 per gallon with better coverage and durability. Premium paint (Benjamin Moore Aura, Sherwin-Williams Emerald) costs $65–$85 per gallon. Most contractors use mid-range paint as their standard offering unless the client specifies otherwise. Beyond paint, budget for primer ($25–$40 per gallon where needed), tape, drop cloths, caulk, spackle, sandpaper, and roller covers. A good rule: add 20% to your paint cost for sundries and consumables. An average 2,000 sq ft home interior (walls and ceilings) uses 15–20 gallons for two coats.
Calculating Labor Hours
An experienced painter can roll 200–300 square feet of wall area per hour in ideal conditions (smooth walls, simple layout, no cutting in). Cutting in around trim, ceilings, and corners reduces that to 100–150 sq ft per hour. Plan your estimate based on realistic productivity: an average bedroom (about 400 sq ft of wall area) takes 3–5 hours for two coats including prep, cutting in, rolling, and cleanup. A whole-house interior (2,000 sq ft of floor space, roughly 5,000 sq ft of wall area) takes a solo painter 8–12 days or a two-person crew 4–6 days. Your loaded labor rate (wages, insurance, payroll taxes, vehicle) should be $30–$50 per hour per painter. Multiply hours by loaded rate to get your labor cost, then add your margin.
Pricing Special Surfaces
Standard wall painting is your baseline, but special surfaces command premium pricing. Trim and baseboards: add $1.50–$3 per linear foot for brush work on trim, casings, and baseboards. Doors: $75–$150 per door (both sides, including prep and hardware masking). Cabinets: $100–$250 per cabinet face for brush and roll, $150–$350 for spray finish. Ceilings: add 30–50% versus wall pricing due to the physical difficulty and slower pace. Stairwells: add 25–40% for the awkward working positions and ladder or scaffolding setup. Accent walls and multi-color schemes: charge per color change ($50–$100 per additional color for tape lines, separate cutting in, and equipment cleaning). Price each of these as separate line items — clients appreciate the transparency.
Whole-House Pricing Strategy
Whole-house interior projects (5+ rooms) warrant a bundled price that is lower per room than individual room pricing. You benefit from reduced mobilization time, bulk paint purchasing, and workflow efficiency. Offer a 10–20% discount versus the sum of individual room prices for whole-house work. For example, if 8 rooms would total $5,200 individually, offer the whole house at $4,200–$4,700. Your margins remain strong because your actual time per room decreases when you paint an entire house — you can work room to room without setup and cleanup for each visit. Whole-house projects also generate better referrals and portfolio photos.
Frequently Asked Questions
An average bedroom (12x12 with 8-foot ceilings) should be priced at $400–$800 including two coats, basic prep, and materials. Larger rooms like living rooms run $600–$1,200. Bathrooms are $200–$400. These ranges depend on your market, wall condition, and paint quality. Always visit the space before quoting — phone estimates lead to underpricing.
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