How to choose a spray foam removal or repair contractor in San Diego

Questions to Ask a Spray Foam Contractor in San Diego: what should San Diego readers know?

Source: SD Price Hub page content, sources cited on the page. Last updated: October 17, 2026. Methodology · About

A free, plain-English checklist with official sources. Read it first; ask for quotes only if and when you want them.

Questions to ask a San Diego spray foam contractor before you hire

Free checklist. Print it or keep it open on your phone during calls. A good spray foam contractor will be glad you asked.

What is your CSLB license number, and is it in the business name on this quote?
Are you covered by workers’ compensation, or do you have no employees (CSLB shows which)?
Who pulls the permit, and is it in the price?
Who will actually be on site, your crew or a subcontractor?
What is the payment schedule? (California caps the down payment at 10% or $1,000, whichever is less, on most home improvement contracts.)
What warranty do you give on labor, and who backs the materials warranty?
Can I see 2–3 recent local jobs like mine?
Open-cell or closed-cell, and why for my house?
What R-value and thickness will you install?
How long must we stay out while it cures, and how do you ventilate?

Ask every provider the same questions, then compare side by side. If someone is vague on two or more, keep looking.

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