87 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Concord: EcoGuard Pest Management, CR Score 62/100; 4.8★ from 1,198 Google reviews; open Saturdays until 12 PM.
Best for emergencies (open 24/7): Attic Pros, posts 24/7 hours; ranked #2 of 87.
Most-reviewed: Service Champions, 5,220 Google reviews at 4.9★, the most of 87 ranked; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
87 Concord insulation contractors are ranked here by CR Score, from ten published factors. 23 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.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | EcoGuard Pest Management | 62 | 4.8★ (1,198) | Concord | Sat | Overall |
| 2 | Attic Pros | 61 | 4.8★ (1,938) | Oakland, 19 mi away | 24/7 | Emergencies |
| 3 | Service Champions | 61 | 4.9★ (5,220) | Martinez, 4 mi away | 24/7 | Most reviews |
| 4 | Miller Attics | 60 | 5.0★ (46) | Walnut Creek, 5 mi away | 24/7 | — |
| 5 | Alamo Attic Insulation Pro | 60 | 4.9★ (94) | Alamo, 9 mi away | 24/7 | — |
| 6 | Freschi Service Experts | 59 | 4.8★ (1,046) | Concord | 24/7 | — |
| 7 | EcoGuard Pest Management | 58 | 4.9★ (279) | Dublin, 17 mi away | Sat · Sun · Evenings | — |
| 8 | American Attic | 58 | 5.0★ (219) | Oakland, 17 mi away | Sat · Sun | — |
| 9 | Reactic Restoration | 58 | 5.0★ (57) | Richmond, 16 mi away | 24/7 | — |
| 10 | Atticare USA | 58 | 4.8★ (439) | San Leandro, 19 mi away | Sat · Sun · Evenings | — |
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: 4.8★ from 1,198 Google reviews, listed on Google as “Insulation contractor”.
Based in Oakland, 19 mi away
Ranked #2 because of its Google rating and trade focus: 4.8★ from 1,938 Google reviews, listed on Google as “Insulation contractor”.
Based in Martinez, 4 mi away
Ranked #3 because of its Google rating and review volume: 4.9★ from 5,220 Google reviews, the most in Concord.
Based in Walnut Creek, 5 mi away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 46 Google reviews, listed on Google as “Insulation contractor”.
Based in Alamo, 9 mi away
Ranked #5 because of its Google rating and trade focus: 4.9★ from 94 Google reviews, listed on Google as “Insulation contractor”.
Based in Concord
Ranked #6 because of its Google rating and review volume: 4.8★ from 1,046 Google reviews.
Based in Dublin, 17 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 Oakland, 17 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 219 Google reviews, listed on Google as “Insulation contractor”.
Based in Richmond, 16 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 57 Google reviews, listed on Google as “Insulation contractor”.
Based in San Leandro, 19 mi away
Ranked #10 because of its Google rating and trade focus: 4.8★ from 439 Google reviews, listed on Google as “Insulation contractor”.
Based in Berkeley, 14 mi away
Ranked #11 because of its Google rating and trade focus: 4.9★ from 1,071 Google reviews, listed on Google as “Insulation contractor”.
Based in San Leandro, 20 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 151 Google reviews, listed on Google as “Insulation contractor”.
Based in Martinez, 6 mi away
Ranked #13 because of its Google rating and trade focus: 4.7★ from 23 Google reviews, listed on Google as “Insulation contractor”.
Based in Walnut Creek, 4 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 29 Google reviews, listed on Google as “Insulation contractor”.
Based in Pleasant Hill, 3 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 82 Google reviews, listed on Google as “Insulation contractor”.
Based in Alameda, 22 mi away
Ranked #16 because of its Google rating and trade focus: 4.9★ from 76 Google reviews, listed on Google as “Insulation contractor”.
Based in Hayward, 21 mi away
Ranked #17 because of its Google rating and trade focus: 4.9★ from 48 Google reviews, listed on Google as “Insulation contractor”.
Based in Livermore, 24 mi away
Ranked #18 because of its Google rating and review volume: 4.9★ from 4,721 Google reviews.
Based in Oakland, 17 mi away
Ranked #19 because of its Google rating and trade focus: 4.7★ from 31 Google reviews, listed on Google as “Insulation contractor”.
Based in Berkeley, 15 mi away
Ranked #20 because of its Google rating and trade focus: 4.7★ from 14 Google reviews, listed on Google as “Insulation contractor”.
Based in Pleasant Hill, 3 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 Pleasanton, 20 mi away
Ranked #22 because of its Google rating and review volume: 4.8★ from 2,337 Google reviews.
Based in Pittsburg, 8 mi away
Ranked #23 because of its Google rating and trade focus: 4.4★ from 7 Google reviews, listed on Google as “Insulation contractor”.
Based in Brentwood, 19 mi away
Ranked #24 because of its Google rating and trade focus: 4.9★ from 405 Google reviews, listed on Google as “Insulation contractor”.
Based in Concord
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 #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.
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 |
|---|---|---|
| American Cool Construction | 5.0★ (6) | In Concord |
| Anderson Home Solutions Inc. | In Concord | |
| Bay Area Insulation | In Concord | |
| Bayside Insulation-Construction Inc | 5.0★ (1) | In Concord |
| C.A.V. Insulation Inc | In Concord | |
| concord Top insulation service | In Concord | |
| Green Group Roofing | 4.9★ (49) | In Concord |
| Home Quality Remodeling | 4.9★ (167) | In Concord |
| HomeXperts | 5.0★ (20) | In Concord |
| Insul-Techs, Inc. | 4.8★ (25) | In Concord |
| Lema Windows and Doors Replacement | 4.8★ (21) | In Concord |
| Nevell Group | 5.0★ (7) | In Concord |
| North Valley Solar Power | 4.8★ (25) | In Concord |
| Perfect Star Heating, Cooling, & Electrical | 4.9★ (1,255) | In Concord |
| Quality Conservation Services | 4.7★ (347) | In Concord |
| Quality First Home Improvement | 4.4★ (238) | In Concord |
| Roof and Realm | 4.4★ (15) | In Concord |
| RoofMax | 3.7★ (6) | In Concord |
| SOS Restoration | In Concord | |
| Windows & Beyond | 5.0★ (19) | In Concord |
National price ranges in USD, not adjusted for Concord. 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 87 Concord 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 Concord 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 |