What drives the price of an interior house painting
Interior repaints are priced room by room, not by the floor — because a kitchen with scrubbable enamel, a stairwell with high cut-in, and a guest room with fresh drywall are three different jobs under one roof.
Here are the cost drivers that decide whether this job makes money — build each into your quote:
Room-by-room takeoff, not floor area
Walk each room and count what you'll actually coat — walls, ceiling, trim, doors, closets. Two homes of equal square footage can differ 40% in surface once you add ceilings and detailed rooms.
Sheen and product by room
Bedrooms can take a flat or eggshell; kitchens, baths, and trim want scrubbable satin or semi-gloss that costs more and applies slower. Price the product each room actually needs.
Drywall and plaster repair
Interiors hide nail pops, cracks, and old patch jobs that have to be repaired before paint. Quote repair as its own line so it's not silently buried in 'painting.'
Cut-in and detail labor
Trim, doors, window casings, and closets are slow cut-in work that a roller-and-wall mental quote ignores. Detailed rooms carry far more labor per square foot than open ones.
Occupied-home reset
In a lived-in house you move and cover furniture, protect floors, and put each room back every evening. That daily setup-and-reset is real, billable time a vacant house doesn't have.
A method that protects your margin
- Take off each room separately — walls, ceiling, trim, doors, closets.
- Price repairs (nail pops, cracks, patches) as their own line.
- Match sheen and product to each room's use.
- Add cut-in and detail labor for trim-heavy rooms.
- Add daily protection and reset time for occupied homes.
A worked example
A 1,400 sq ft occupied home with 9 rooms isn't 'X per square foot.' Three rooms need real drywall repair, the kitchen and two baths need scrubbable enamel, and the family lives there so every room gets covered and reset daily. Take off the rooms, line-item the repairs, price the enamel rooms higher, and add the occupied-home reset hours — the total lands well above a flat per-foot number, and it's the number that actually pays.
Numbers are illustrative to show the method — your real costs and local market differ. Price from your own books.
Common mistakes pricing an interior house painting
- Quoting one flat per-floor-foot rate across rooms with very different surface and detail.
- Burying drywall repair inside 'painting' instead of pricing it.
- Using one cheap product everywhere instead of scrubbable paint where it's needed.
- Forgetting the daily furniture move and reset in an occupied home.
Stop pricing from memory
The Contractor Authority System™ turns this into a repeatable process — burdened labor & overhead, change-order protection, and client-ready proposals. One-time $97.
FAQ
Take off each room's walls, ceiling, trim, doors, and closets, then price the prep, product, and cut-in that room actually needs. A trim-heavy kitchen with enamel is a different number than a plain bedroom, even at the same floor size.
Yes — show 'surface repair' as its own line. It's real labor that varies by the home's condition, and lumping it into the paint price either loses you money or makes your quote look arbitrarily high.