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OJ InsulationRoofer in Fairfield, CA

OJ Insulation is a roofer at 4850 W Cordelia Rd suite a, Fairfield, CA 94534, ranked #25 of 39 insulation contractors in Fairfield and rated 5.0 from 6 Google reviews. Open Monday to Friday.

Fairfield, CAUpdated 0 paid placements in any rankingHow we rank

Call (310) 870-9991Website ↗

Key facts

Key facts about OJ Insulation
Address4850 W Cordelia Rd suite a, Fairfield, CA 94534Get directions
Phone(310) 870-9991
Websiteojinc.com
HoursMonday to Friday: 7 AM – 4 PM
Google rating5.0 from 6 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • Roofingmain tradeGoogle main category
  • Insulationbusiness name
  • Guttersadditional Google category

Service area

Serves Fairfield and 11 towns within 40 miles: Suisun, American Canyon, Vallejo, Napa, Benicia, Vacaville, Martinez, Rodeo, Hercules, Bay Point and Pinole.

Based in Fairfield, CAView on map

Opening hours

Opening hours for OJ Insulation
DayHours
Monday7 AM – 4 PM
Tuesday7 AM – 4 PM
Wednesday7 AM – 4 PM
Thursday7 AM – 4 PM
Friday7 AM – 4 PM
SaturdayClosed
SundayClosed
  • Open evenings — no
  • Open Saturdays — no
  • Open Sundays — no

Typical roofing prices

Typical roofing prices
JobLowTypicalHigh
Roof replacementPer project: asphalt shingles on a 1,700 sq ft home (about 2,000 sq ft of roof). US national range × 1.14 Pacific factor (2025 Cost vs. Value Report)$8,560$11,420$15,990
Roof repairPer repair: typical range of customer-reported jobs. US national range$395$1,174$1,968

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

Compare nearby roofers

OJ Insulation compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
OJ Insulation (this business)—505.0 (6)—NoNo
McHale's Environmental Insulation, Inc.#23504.7 (14)—NoNo15.6 mi
Best Attic#24505.0 (3)—NoYes17.4 mi
Petrochem Insulation, Inc.#26493.3 (4)———17.3 mi

See all 39 ranked insulation contractors in Fairfield

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

5.0from 6 Google reviews

Hired OJ Insulation? Write a review

Questions about OJ Insulation

How is OJ Insulation ranked in Fairfield?

OJ Insulation is ranked #25 of 39 insulation contractors in Fairfield by CR Score, with 50 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 OJ Insulation’s hours?

OJ Insulation is open Monday to Friday. Its listed hours are Monday to Friday, 7 AM – 4 PM. It is closed on Saturdays and closed on Sundays. Hours come from the business listing; holiday hours may differ.

What areas does OJ Insulation serve?

Serves Fairfield and 11 towns within 40 miles: Suisun, American Canyon, Vallejo, Napa, Benicia, Vacaville, Martinez, Rodeo, Hercules, Bay Point and Pinole. The list is based on the business's location and the usual service radius for roofing. Confirm your address is covered when you call.

What do Google reviews say about OJ Insulation?

OJ Insulation has a rating of 5.0 from 6 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 OJ Insulation?

Call OJ Insulation on (310) 870-9991. The business is at 4850 W Cordelia Rd suite a, Fairfield, CA 94534. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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