62/100CR Score
Ranked #1 because of its Google rating and review volume: 4.9★ from 5,220 Google reviews, the most in Martinez.
- 4.9★ from 5,220 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 261 Arthur Rd, Martinez, CA 94553
Best Insulation Contractors in Martinez, CA (2026)
87 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Martinez: Service Champions, CR Score 62/100; 4.9★ from 5,220 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Attic Pros, posts 24/7 hours; ranked #2 of 87.
- 2
Most-reviewed: Attic Pros, 1,938 Google reviews at 4.8★, the most of 87 ranked after Service Champions; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
87 Martinez insulation contractors are ranked here by CR Score, from ten published factors. 24 are open 24/7, 56 open Saturdays and 44 open Sundays, based on posted hours. The median Google rating is 4.9★ across 87 rated businesses.
Top 10 insulation contractors in Martinez at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Service Champions | 62 | 4.9★ (5,220) | Martinez | 24/7 | Overall |
| 2 | Attic Pros | 61 | 4.8★ (1,938) | Oakland, 20 mi away | 24/7 | Emergencies, Most reviews |
| 3 | EcoGuard Pest Management | 61 | 4.8★ (1,198) | Concord, 4 mi away | Sat | — |
| 4 | Miller Attics | 59 | 5.0★ (46) | Walnut Creek, 9 mi away | 24/7 | — |
| 5 | Reactic Restoration | 59 | 5.0★ (57) | Richmond, 11 mi away | 24/7 | — |
| 6 | Alamo Attic Insulation Pro | 59 | 4.9★ (94) | Alamo, 13 mi away | 24/7 | — |
| 7 | Mr Attic | 58 | 4.7★ (23) | Martinez | Sat · Sun · Evenings | — |
| 8 | Alley Cat | 58 | 4.9★ (1,071) | Berkeley, 13 mi away | Evenings | — |
| 9 | American Attic | 58 | 5.0★ (219) | Oakland, 19 mi away | Sat · Sun | — |
| 10 | Freschi Service Experts | 58 | 4.8★ (1,046) | Concord, 6 mi away | 24/7 | — |
The 87 best insulation contractors in Martinez, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
#2 Attic Pros
Based in Oakland, 20 mi away
61/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.8★ from 1,938 Google reviews, listed on Google as “Insulation contractor”.
- 4.8★ from 1,938 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 718 Douglas Ave, Oakland, CA 94603
Based in Concord, 4 mi away
61/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.8★ from 1,198 Google reviews, listed on Google as “Insulation contractor”.
- 4.8★ from 1,198 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat 8 AM–12 PM · Sun closed
- Address
- 420 N Buchanan Cir STE 3, Pacheco, CA 94553
Based in Walnut Creek, 9 mi away
59/100CR ScoreRanked #4 because of its Google rating and trade focus: 5.0★ from 46 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 46 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 161 N Civic Dr, Walnut Creek, CA 94596
Based in Richmond, 11 mi away
59/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 57 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 57 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3049 Research Dr, Richmond, CA 94806
Based in Alamo, 13 mi away
59/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.9★ from 94 Google reviews, listed on Google as “Insulation contractor”.
- 4.9★ from 94 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 220 Alamo Plaza, Alamo, CA 94507
#7 Mr Attic
Based in Martinez
58/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.7★ from 23 Google reviews, listed on Google as “Insulation contractor”.
- 4.7★ from 23 Google reviews
- Hours
- Mon–Fri 7 AM–7 PM · Sat–Sun 7 AM–5 PM
- Address
- 3816 Alhambra Way, Martinez, CA 94553
#8 Alley Cat
Based in Berkeley, 13 mi away
58/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.9★ from 1,071 Google reviews, listed on Google as “Insulation contractor”.
- 4.9★ from 1,071 Google reviews
- Hours
- Mon–Fri 8 AM–7 PM · Sat–Sun closed
- Address
- 3030 Ashby Ave #103b, Berkeley, CA 94705
Based in Oakland, 19 mi away
58/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 219 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 219 Google reviews
- Hours
- Mon–Sun 7 AM–6 PM
- Address
- 2721 106th Ave, Oakland, CA 94605
Based in Concord, 6 mi away
58/100CR ScoreRanked #10 because of its Google rating and review volume: 4.8★ from 1,046 Google reviews.
- 4.8★ from 1,046 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2440 Sprig Ct, Concord, CA 94520
Based in Dublin, 20 mi away
57/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.9★ from 279 Google reviews, listed on Google as “Insulation contractor”.
- 4.9★ from 279 Google reviews
- Hours
- Mon–Sun 7 AM–9 PM
Based in Alameda, 18 mi away
57/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.9★ from 76 Google reviews, listed on Google as “Insulation contractor”.
- 4.9★ from 76 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
#13 Atticare USA
Based in San Leandro, 21 mi away
57/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.8★ from 439 Google reviews, listed on Google as “Insulation contractor”.
- 4.8★ from 439 Google reviews
- Hours
- Mon–Fri 8 AM–7 PM · Sat–Sun 9 AM–6 PM
- Address
- 303 W Joaquin Ave Unit #103, San Leandro, CA 94577
Based in San Francisco, 23 mi away
57/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.9★ from 413 Google reviews, listed on Google as “Insulation contractor”.
- 4.9★ from 413 Google reviews
- Hours
- Mon–Fri 8 AM–7 PM · Sat 9 AM–7 PM · Sun 9 AM–6 PM
- Address
- 1390 Market St #200, San Francisco, CA 94102
Based in San Leandro, 21 mi away
57/100CR ScoreRanked #15 because of its Google rating and trade focus: 5.0★ from 151 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 151 Google reviews
- Hours
- Mon–Sat 8 AM–6 PM · Sun 9 AM–4 PM
- Address
- 456 Hester St, San Leandro, CA 94577
Based in Berkeley, 12 mi away
56/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.7★ from 14 Google reviews, listed on Google as “Insulation contractor”.
- 4.7★ from 14 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2113B Delaware St, Berkeley, CA 94709
Based in Oakland, 17 mi away
56/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.7★ from 31 Google reviews, listed on Google as “Insulation contractor”.
- 4.7★ from 31 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2632 International Blvd #155b, Oakland, CA 94601
Based in Walnut Creek, 8 mi away
56/100CR ScoreRanked #18 because of its Google rating and trade focus: 5.0★ from 29 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 29 Google reviews
- Hours
- Mon–Sat 8 AM–5 PM · Sun closed
- Address
- 1255 Treat Blvd suite 300, Walnut Creek, CA 94597
#19 Attic Kings
Based in Vallejo, 8 mi away
55/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 26 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 26 Google reviews
- Hours
- Mon–Sat 8 AM–6 PM · Sun closed
- Address
- 1830 Springs Rd, Vallejo, CA 94591
Based in Pleasant Hill, 7 mi away
55/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 82 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 82 Google reviews
- Hours
- Mon–Fri 9 AM–5 PM · Sat–Sun closed
- Address
- 3381 Vincent Rd, Pleasant Hill, CA 94523
Based in Hayward, 24 mi away
55/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.9★ from 48 Google reviews, listed on Google as “Insulation contractor”.
- 4.9★ from 48 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1340 A St, Hayward, CA 94541
Based in Richmond, 13 mi away
55/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 44 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 44 Google reviews
- Hours
- Mon–Fri 6:30 AM–6:30 PM · Sat 12 PM–5 PM · Sun closed
- Address
- 1201 Pennsylvania Ave Unit D, Richmond, CA 94801
Based in Antelope, 13 mi away
55/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 38 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 38 Google reviews
- Hours
- Mon–Sat 8 AM–8 PM · Sun closed
Based in Berkeley, 13 mi away
55/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.6★ from 5 Google reviews, listed on Google as “Insulation contractor”.
- 4.6★ from 5 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1227 Hopkins St, Berkeley, CA 94702
Based in Berkeley, 13 mi away
54/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 4 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Insulation contractors ranked #26 to #50
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 87 ranked insulation contractors here; the rest are on their profiles.
Also serving Martinez
20 more insulation contractors within 25 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| A & M Lath & Plastering Inc. | 1.0★ (1) | 18 mi |
| Adams Field Services LLC. | 3.0★ (2) | 13 mi |
| AG Painting | 5.0★ (1) | 17 mi |
| Airseal Inc | 3.0★ (2) | In Martinez |
| Attic Fix Pro | 5.0★ (1) | 17 mi |
| Attic Solutions | 3.0★ (2) | 11 mi |
| Bayside Insulation-Construction Inc | 5.0★ (1) | 6 mi |
| Brandon's Attic Control | 5.0★ (2) | 17 mi |
| Brick & Hammer | 5.0★ (2) | 7 mi |
| CELInsulation | 5.0★ (1) | 4 mi |
| Emerald Insulation & Acoustical Inc. | 5.0★ (2) | 24 mi |
| Golden Restore inc Berkeley | 1.0★ (1) | 13 mi |
| Kevin's insulation Co Antioch | 5.0★ (1) | 19 mi |
| Panda Heating & Cooling | 3.5★ (2) | 20 mi |
| Peak Core Insulation | 5.0★ (2) | 16 mi |
| Performance Contracting Inc | 1.0★ (1) | 15 mi |
| Petrochem Insulation Inc | 1.0★ (2) | 8 mi |
| PRO ATTIC RESTORATION | 5.0★ (2) | 24 mi |
| Protek Cargo | 5.0★ (2) | 16 mi |
| Quality Pro Guard | 1.0★ (2) | In Martinez |
How much do insulation contractors cost in Martinez?
National price ranges in USD, not adjusted for Martinez. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Attic insulation | $1,700 | $2,100 | $2,500 | Per attic: typical range of customer-reported jobs (about $1 to $3 per sq ft). US national range | October 2026 |
How we ranked Martinez insulation contractors
We scored 87 Martinez insulation contractors on ten factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, not counted as zero. Scores last refreshed October 22, 2026.
Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.
| Factor | Weight | Computed from | In Martinez data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |
Insulation contractors in Martinez: frequently asked questions
Who is the best insulation contractor in Martinez?
By CR Score, the highest-ranked insulation contractor in Martinez, CA is Service Champions with a CR Score of 62/100. It has 4.9★ from 5,220 Google reviews. It is open 24/7. Attic Pros (#2) and EcoGuard Pest Management (#3) follow. We ranked 87 insulation contractors on ten factors, last updated October 22, 2026.
How many insulation contractors are there in Martinez?
ContractorsRanked ranks 87 insulation contractors serving Martinez, CA. 3 of them are based in Martinez; the rest serve it from nearby towns. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.
Which insulation contractors in Martinez are open 24/7?
24 ranked insulation contractors in Martinez post 24/7 hours. The highest-ranked are Service Champions (#1), Attic Pros (#2) and Miller Attics (#4). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which insulation contractors in Martinez work on weekends?
56 of 87 ranked insulation contractors post Saturday hours and 44 post Sunday hours. The highest-ranked open Saturdays are Service Champions (#1), Attic Pros (#2) and EcoGuard Pest Management (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does attic insulation cost in Martinez?
Attic insulation typically costs $1,700 to $2,500, with $2,100 typical (Per attic: typical range of customer-reported jobs (about $1 to $3 per sq ft). US national range). This is a national range, not adjusted for Martinez. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Martinez insulation contractors have?
The median Google rating among 87 rated insulation contractors in Martinez is 4.9★, with a median of 22 reviews. Service Champions has the most, 5,220 reviews, and ranks #1. We adjust ratings for review count, so a few five-star reviews cannot top the list.
How does ContractorsRanked rank insulation contractors?
Each insulation contractor gets a 0–100 CR Score from ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Do insulation contractors outside Martinez count in this ranking?
Yes, if they are within 25 mi of the Martinez city center, our service radius for insulation contractors. Each listing shows where the business is based and how far away it is. Proximity is 5% of the CR Score, so a nearby business gets a small edge.
Update log for Martinez
- October 2026: CR Scores recalculated for 87 insulation contractors serving Martinez.
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