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How to estimate an exterior painting job

Exterior jobs live and die on prep and access. Here's how to measure and price one so you win it and keep your margin.

What makes exteriors different

Exterior estimates carry costs interiors don't: setup and access (ladders, lifts, scaffolding), surface repair (scraping, sanding, priming bare wood), weather windows, and more prep. Price these as their own lines, not a blended guess.

Measure the real surface

Measure wall area by face, then add soffits, fascia, trim, doors, shutters and railings separately — they paint at different rates. Siding type matters too: lap siding, stucco and brick all cover differently.

Prep is the biggest variable

On exteriors, prep often outweighs painting. Power-washing, scraping, sanding, caulking and spot-priming can be half the labor. Walk the house and price prep honestly, or the job eats your margin.

Quote it fast and professionally

WEDO builds an itemized exterior estimate from a photo or video — surfaces, prep and coats — then a proposal and contract. Try the free calculator or start free.

Estimate exteriors free

Snap a photo, get a priced estimate in minutes — then send a contract and invoice from the same app.

Start free — $19.99/mo, all-in Try the free calculator

FAQ

How do you estimate an exterior paint job?
Measure siding and trim by surface, price access and prep as separate lines, choose coats and products, then add overhead and margin. Prep is usually the biggest variable.
Why is exterior painting more expensive?
Exteriors add setup and access, surface repair, weather constraints and heavier prep — all of which raise labor beyond the paint itself.