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Cal Spray Foam InsulationInsulation contractor in Alameda, CA

Cal Spray Foam Insulation is an insulation contractor in Alameda, CA, ranked #17 of 111 insulation contractors in Alameda and rated 4.9 from 34 Google reviews. Open Monday to Saturday.

Alameda, CAUpdated 0 paid placements in any rankingHow we rank

Call (415) 630-2204Website ↗

Key facts

Key facts about Cal Spray Foam Insulation
Phone(415) 630-2204
Websitecalisprayfoaminsulation.com
HoursMonday to Saturday: 6 AM – 9 PM
Google rating4.9 from 34 Google reviews

Trades

Each trade shows the evidence we matched it on.

Service area

Serves Alameda and 12 towns within 25 miles: El Granada, Half Moon Bay, Pacifica, Hillsborough, Millbrae, San Bruno, Burlingame, South San Francisco, San Mateo, Daly City, Belmont and Foster City.

Based in Alameda, CAView on map

Opening hours

Opening hours for Cal Spray Foam Insulation
DayHours
Monday6 AM – 9 PMevening
Tuesday6 AM – 9 PMevening
Wednesday6 AM – 9 PMevening
Thursday6 AM – 9 PMevening
Friday6 AM – 9 PMevening
Saturday6 AM – 9 PMevening
SundayClosed
  • Open evenings (after 6 PM)
  • Open Saturdays
  • Open Sundays — no

Typical insulation prices

Typical insulation prices
JobLowTypicalHigh
Attic insulationPer attic: typical range of customer-reported jobs (about $1 to $3 per sq ft). US national range$1,700$2,100$2,500

Market ranges for the trade, checked October 2026, not a quote from this business. Ask for a written estimate.

Compare nearby insulation contractors

Cal Spray Foam Insulation compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
Cal Spray Foam Insulation (this business)—584.9 (34)—YesNo
INSULATION ALLIANCE#16585.0 (33)—YesNo23.5 mi

See all 111 ranked insulation contractors in Alameda

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

4.9from 34 Google reviews

Hired Cal Spray Foam Insulation? Write a review

Questions about Cal Spray Foam Insulation

How is Cal Spray Foam Insulation ranked in Alameda?

Cal Spray Foam Insulation is ranked #17 of 111 insulation contractors in Alameda by CR Score, with 58 out of 100 as of October 2026. The score weighs reputation, credentials, review volume, recency, availability, trade focus, proximity, claimed profile, partnered and ContractorsRanked reviews. No business can pay to change its rank.

What are Cal Spray Foam Insulation’s hours?

Cal Spray Foam Insulation is open Monday to Saturday. Its listed hours are Monday to Saturday, 6 AM – 9 PM. On Saturdays it is open 6 AM to 9 PM and closed on Sundays. Hours come from the business listing; holiday hours may differ.

What areas does Cal Spray Foam Insulation serve?

Serves Alameda and 12 towns within 25 miles: El Granada, Half Moon Bay, Pacifica, Hillsborough, Millbrae, San Bruno, Burlingame, South San Francisco, San Mateo, Daly City, Belmont and Foster City. The list is based on the business's location and the usual service radius for insulation. Confirm your address is covered when you call.

What do Google reviews say about Cal Spray Foam Insulation?

Cal Spray Foam Insulation has a rating of 4.9 from 34 Google reviews. The CR Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.

How do I contact Cal Spray Foam Insulation?

Call Cal Spray Foam Insulation on (415) 630-2204. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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Claiming is free. Correct your hours, trades and service area. The CR Score is recalculated from corrected data; payment never changes it.

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