How to Choose Exterior Painters in St. Louis: 10 Questions to Ask Before You Sign

To choose exterior painters in St. Louis, ask every bidder the same ten questions: insurance, lead-safe certification, a written scope, prep steps, repairs, product and film thickness, warranty terms, local references, timeline, and who runs the crew. Get the answers in writing. They'll tell you more about the job than the price does.

Most homeowners in St. Louis and Chesterfield collect two or three bids and end up comparing numbers that describe different jobs. One bid includes carpentry. Another assumes the trim is fine. A third is vague enough to mean almost anything. The questions below fix that, and they work whether you're hiring a traditional repaint crew or exterior painters who install a ceramic coating system like Rhino Shield of Missouri. Painters and coating contractors are different trades, but the vetting is the same.

What paperwork should exterior painters show you before you sign?

Three documents: a current certificate of insurance, proof of lead-safe certification if your house was built before 1978, and a written scope. A contractor who stalls on any of them is telling you something.

1. Can you send a certificate of insurance for general liability and workers' comp?

Have it emailed straight from the insurance agent instead of accepting a photocopy, then check the dates. Ladders, lifts and two-story walls are where people get hurt. If an uninsured worker falls off your house, that claim can end up on your homeowner's policy.

2. Are you lead-safe certified?

A lot of the housing in the city, Webster Groves and Kirkwood was built before 1978. On those homes, scraping or sanding old paint means the contractor needs EPA Renovation, Repair and Painting certification and has to follow containment and cleanup rules. Ask for the certificate number. Write it down.

3. Will the full scope be in writing?

The written scope is the contract. It should name every elevation, the trim, soffits and fascia included, the wash method, the products, the number of coats, and what happens if the crew finds rot behind a board. If it isn't written down, assume it isn't priced. The Painting Contractors Association publishes industry standards for professional painting work, and a solid scope reads like it was written by someone who knows them.

How should a bid spell out prep and repairs?

Prep should be listed step by step, and repairs should either be priced up front or covered by a clear change-order process. Prep is where cheap bids save money. It's also where most exterior paint failures start.

4. What exactly is your prep process?

You want specifics. How the house gets washed and how long it dries before anything goes on. Whether loose paint is scraped back to sound material. Which joints get caulked, and what primer goes on bare wood or masonry. "Surface prep included" isn't an answer. Our own system runs in a fixed order: cleaning and power washing, repairs, caulking and sealing, primer, then multiple coats of the ceramic topcoat.

5. How do you handle rot, cracks and damaged siding?

Ask whether repairs are in the base price, priced per board or per linear foot, or handled as a change order once the crew is on site. On older St. Louis brick homes, ask about cracked mortar joints and soft window sills too. Painting over a rotten sill hides it for about one season.

What product are they using, and how thick will it go on?

Get the brand and product line written into the bid, along with the expected dry film thickness. Two bids that both say "premium exterior paint" can mean very different things on your walls.

6. What brand, product line and sheen, and how many mils?

Conventional exterior paint typically dries to about 1 to 2 mils. Rhino Shield's ceramic elastomeric coating goes on at 8 to 10 mils, roughly 8 to 10 times thicker. Whatever you pick, thickness matters on a Missouri house that bakes in July, freezes in January and catches hail somewhere in between. Ask how the crew will check it.

What does the warranty actually cover?

A real warranty is a written document. It names what's covered (peeling, flaking, labor, materials), states the term, and says whether it transfers to the next owner. A handshake isn't a warranty.

7. Can I read the warranty before I sign?

Read it at the kitchen table, not in the driveway while the estimator waits. Workmanship warranties on traditional paint jobs often run about a year. Ours is a 25-year transferable warranty, and the terms are posted on our 25-year warranty page so you can look before anyone comes out to measure. With any contractor, check the exclusions and find out who you'd actually call in year three.

Can they show you finished work that looks like your house?

They should, and the closer the match the better. Ask for addresses of jobs that are at least a few years old, on the same kind of siding as yours, in your part of town.

8. Can I talk to customers whose jobs are three or more years old?

Anybody's work looks good the week the ladders come down. Paint problems tend to show up a few years later, so older references are the ones worth calling. Photos help. A brick ranch in Kirkwood that still looks sharp after several winters helps more. Our St. Louis exterior painters page covers the neighborhoods where we work most, and we're glad to point you to houses you can drive past.

Straight answers count as much as the finished walls. One customer said it better than we could:

That's the bar. If a house is a better fit for a conventional repaint, we'll say so during the estimate.

Who is on site, and how long will the job take?

Ask who supervises the crew day to day, and get a realistic timeline in working days along with how weather changes it.

9. Is the crew yours, or subcontracted?

Plenty of solid companies use subcontractors. You just want to know who's accountable when something's off. Get the name of the person running the job, how to reach them, and whether the estimator comes back during the work.

10. What's the timeline, and what happens when it rains?

Most single-family exteriors take days rather than weeks, though rain, humidity and cold nights can stretch that. Good contractors schedule around the product's temperature limits instead of racing the forecast. Ask how they'll protect shrubs, windows and the driveway, and whether they clean up every evening or just at the end.

Related reading: How to Compare Exterior House Painting Bids Line by Line

Frequently Asked Questions

How many quotes should I get from exterior painters?

Three is a good number for most homes. More than the price spread, pay attention to what each contractor says your house needs. If one bid includes carpentry and priming that the others skip, you've learned something about your siding and about the bidders.

Should I take the lowest exterior painting bid?

Only if its written scope matches the others line for line. Low bids often leave out repairs, cut prep, or use a thinner product. Compare what's included, then compare price.

Do exterior painters in Missouri need a license?

Licensing is handled locally in Missouri rather than through a single statewide painting license, so requirements depend on your city or county. Check with your municipality. Insurance and lead-safe certification on pre-1978 homes apply no matter where you live.

What should a written exterior painting estimate include?

Every surface being coated, the prep steps, how repairs are handled and priced, the exact products, the number of coats, the warranty terms and an estimated schedule. If you can't hand it to a second contractor and get an apples-to-apples price, it's not detailed enough.

Want a bid you can measure the others against?

We'll walk the house with you, write the scope out in full, and tell you honestly whether a coating makes sense for your home. Request a free estimate or call 314-239-7947.