47 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Brentwood: Ace Handyman Services Brentwood, CR Score 59/100; 4.9★ from 405 Google reviews.
Best for emergencies (open 24/7): Alamo Attic Insulation Pro, posts 24/7 hours; ranked #2 of 47.
Most-reviewed: Service Champions, 5,220 Google reviews at 4.9★, the most of 47 ranked; ranked #6.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
47 Brentwood insulation contractors are ranked here by CR Score, from ten published factors. 12 are open 24/7, 28 open Saturdays and 22 open Sundays, based on posted hours. The median Google rating is 4.9★ across 47 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Ace Handyman Services Brentwood | 59 | 4.9★ (405) | Brentwood | — | Overall |
| 2 | Alamo Attic Insulation Pro | 57 | 4.9★ (94) | Alamo, 19 mi away | 24/7 | Emergencies |
| 3 | Service Champions | 57 | 4.9★ (4,721) | Livermore, 18 mi away | 24/7 | — |
| 4 | EcoGuard Pest Management | 57 | 4.8★ (1,198) | Concord, 21 mi away | Sat | — |
| 5 | Miller Attics | 57 | 5.0★ (46) | Walnut Creek, 20 mi away | 24/7 | — |
| 6 | Service Champions | 56 | 4.9★ (5,220) | Martinez, 22 mi away | 24/7 | Most reviews |
| 7 | EcoGuard Pest Management | 56 | 4.9★ (279) | Dublin, 24 mi away | Sat · Sun · Evenings | — |
| 8 | Carlos Insulation Inc. | Residential & Commercial Insulation Services | 56 | 4.2★ (26) | Brentwood | Sat · Evenings | — |
| 9 | Service Champions | 56 | 4.9★ (1,331) | Livermore, 18 mi away | 24/7 | — |
| 10 | Service Champions | 55 | 4.8★ (2,337) | Pleasanton, 20 mi away | 24/7 | — |
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.
Ranked #1 because of its Google rating and trade focus: 4.9★ from 405 Google reviews, listed on Google as “Insulation contractor”.
Based in Alamo, 19 mi away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 94 Google reviews, listed on Google as “Insulation contractor”.
Based in Livermore, 18 mi away
Ranked #3 because of its Google rating and review volume: 4.9★ from 4,721 Google reviews.
Based in Concord, 21 mi away
Ranked #4 because of its Google rating and trade focus: 4.8★ from 1,198 Google reviews, listed on Google as “Insulation contractor”.
Based in Walnut Creek, 20 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 46 Google reviews, listed on Google as “Insulation contractor”.
Based in Martinez, 22 mi away
Ranked #6 because of its Google rating and review volume: 4.9★ from 5,220 Google reviews, the most in Brentwood.
Based in Dublin, 24 mi away
Ranked #7 because of its Google rating and trade focus: 4.9★ from 279 Google reviews, listed on Google as “Insulation contractor”.
Based in Brentwood
Ranked #8 because of its Google rating and trade focus: 4.2★ from 26 Google reviews, listed on Google as “Insulation contractor”.
Based in Livermore, 18 mi away
Ranked #9 because of its Google rating and review volume: 4.9★ from 1,331 Google reviews.
Based in Pleasanton, 20 mi away
Ranked #10 because of its Google rating and review volume: 4.8★ from 2,337 Google reviews.
Based in Livermore, 16 mi away
Ranked #11 because of its Google rating and review volume: 4.9★ from 549 Google reviews.
Based in Concord, 19 mi away
Ranked #12 because of its Google rating and review volume: 4.8★ from 1,046 Google reviews.
Based in Pleasanton, 22 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 89 Google reviews, listed on Google as “Insulation contractor”.
Based in Alameda, 21 mi away
Ranked #14 because of its Google rating and trade focus: 4.8★ from 39 Google reviews, listed on Google as “Insulation contractor”.
Based in Pittsburg, 11 mi away
Ranked #15 because of its Google rating and trade focus: 4.4★ from 7 Google reviews, listed on Google as “Insulation contractor”.
Based in Lodi, 17 mi away
Ranked #16 because of its Google rating and trade focus: 4.9★ from 32 Google reviews, listed on Google as “Insulation contractor”.
Based in Tracy, 18 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 27 Google reviews, listed on Google as “Insulation contractor”.
Based in Livermore, 18 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Insulation contractor”.
Based in San Ramon, 19 mi away
Ranked #19 because of its Google rating and trade focus: 4.8★ from 32 Google reviews, listed on Google as “Insulation contractor”.
Based in Walnut Creek, 20 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 29 Google reviews, listed on Google as “Insulation contractor”.
Based in Pleasanton, 20 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Insulation contractor”.
Based in Pleasant Hill, 20 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 82 Google reviews, listed on Google as “Insulation contractor”.
Based in Martinez, 24 mi away
Ranked #23 because of its Google rating and trade focus: 4.7★ from 23 Google reviews, listed on Google as “Insulation contractor”.
Based in Stockton, 22 mi away
Ranked #24 because of its Google rating and trade focus: 4.8★ from 32 Google reviews, listed on Google as “Insulation contractor”.
Based in Pleasant Hill, 20 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Insulation contractor”.
#1 to #25 are shown in full above. Here are #26 to #47, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Insulation Labs | 51 | 5.0★ (6) | 24 mi |
| 27 | Attic Bros | 50 | 5.0★ (19) | 19 mi |
| 28 | Attic Bros of Pleasanton | 50 | 4.9★ (30) | 21 mi |
| 29 | Eagle Shield | 50 | 4.4★ (13) | 15 mi |
| 30 | Cal Spray Foam Insulation | 50 | 5.0★ (10) | 24 mi |
| 31 | Best Attic | 50 | 5.0★ (3) | 19 mi |
| 32 | Petrochem Insulation, Inc. | 49 | 3.3★ (4) | 19 mi |
| 33 | McHale's Environmental Insulation, Inc. | 49 | 4.7★ (14) | 20 mi |
| 34 | TruTeam of California | 49 | 4.0★ (12) | 16 mi |
| 35 | Reactic Restoration | 48 | 5.0★ (13) | 20 mi |
| 36 | BPP | 48 | 4.6★ (10) | 23 mi |
| 37 | A-1 Guaranteed Heating & Air, Inc | 47 | 4.9★ (236) | 19 mi |
| 38 | Reactic Restoration | 47 | 5.0★ (9) | 22 mi |
| 39 | Equinox Roofing | 47 | 5.0★ (135) | 20 mi |
| 40 | JJC Painting | 47 | 5.0★ (15) | 6 mi |
| 41 | Bell Brothers Plumbing Heating & Air - Concord | 46 | 4.0★ (4) | 19 mi |
| 42 | Yorkshire Roofing | 46 | 4.0★ (11) | 16 mi |
| 43 | Parex USA Inc | 46 | 3.6★ (5) | 24 mi |
| 44 | HSR Home Service | 46 | 4.8★ (210) | 23 mi |
| 45 | Phoenix Roofing & Solar | 46 | 4.8★ (113) | 20 mi |
| 46 | Eco Performance Builders | 44 | 5.0★ (29) | 20 mi |
| 47 | Synergy Companies | 42 | 4.2★ (52) | 23 mi |
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 |
|---|---|---|
| Adams Attic Insulation Installation LLC | 12 mi | |
| Adams Field Services LLC. | 3.0★ (2) | 12 mi |
| Airseal Inc | 3.0★ (2) | 25 mi |
| ALCAL Specialty Contracting Stockton - Home Service Division | 4.5★ (2) | 25 mi |
| All pro Insulation and junk solutions | 5.0★ (1) | 13 mi |
| Attic Fix Pro | 5.0★ (1) | 20 mi |
| Attic Solutions | 3.0★ (2) | 16 mi |
| Barbero Drywall | 16 mi | |
| Bay Area Insulation | 15 mi | |
| Bay Insulation Contractors | 5 mi | |
| Bayside Insulation-Construction Inc | 5.0★ (1) | 20 mi |
| Brick & Hammer | 5.0★ (2) | 21 mi |
| Canyon Insulation Inc | 5.0★ (2) | 16 mi |
| Kevin's insulation Co Antioch | 5.0★ (1) | 6 mi |
| Performance Contracting Inc | 1.0★ (2) | 15 mi |
| Platinum Insulation Inc. | 5.0★ (1) | 24 mi |
| Prime Air Duct Cleaning | 5.0★ (2) | 15 mi |
| Quality Pro Guard | 1.0★ (2) | 24 mi |
| Ramon's Insulation Services | 18 mi | |
| SOS Restoration | 18 mi |
National price ranges in USD, not adjusted for Brentwood. 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 |
We scored 47 Brentwood 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 Brentwood 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 |