34 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Rio Vista: Definition Insulation, CR Score 58/100; 5.0★ from 49 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): Service Champions, posts 24/7 hours; ranked #4 of 34.
Most-reviewed: Service Champions, 5,220 Google reviews at 4.9★, the most of 34 ranked; ranked #4.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
34 Rio Vista insulation contractors are ranked here by CR Score, from ten published factors. 5 are open 24/7, 17 open Saturdays and 13 open Sundays, based on posted hours. The median Google rating is 4.9★ across 34 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Definition Insulation | 58 | 5.0★ (49) | Dixon, 10 mi away | Sat · Sun · Evenings | Overall |
| 2 | EcoGuard Pest Management - Sacramento | 57 | 4.8★ (179) | Arden-Arcade, 16 mi away | Sat · Sun · Evenings | — |
| 3 | EcoGuard Pest Management | 56 | 4.8★ (1,198) | Concord, 24 mi away | Sat | — |
| 4 | Service Champions | 56 | 4.9★ (5,220) | Martinez, 24 mi away | 24/7 | Emergencies, Most reviews |
| 5 | Ace Handyman Services Brentwood | 55 | 4.9★ (405) | Brentwood, 17 mi away | — | — |
| 6 | Apex Attic Insulation & Spray Foam Lodi | 55 | 4.9★ (32) | Lodi, 12 mi away | Sat · Evenings | — |
| 7 | Freschi Service Experts | 54 | 4.8★ (1,046) | Concord, 21 mi away | 24/7 | — |
| 8 | Greiner Heating, Air and Electric | 54 | 5.0★ (1,451) | Dixon, 22 mi away | Sat · Sun | — |
| 9 | Dorin's Insulation | 53 | 4.4★ (7) | Pittsburg, 15 mi away | Sat · Sun | — |
| 10 | Carlos Insulation Inc. | Residential & Commercial Insulation Services | 52 | 4.2★ (26) | Brentwood, 15 mi away | Sat · Evenings | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and trade focus: 5.0★ from 49 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Arden-Arcade, 16 mi away
Ranked #2 because of its Google rating and trade focus: 4.8★ from 179 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Concord, 24 mi away
Ranked #3 because of its Google rating and trade focus: 4.8★ from 1,198 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Martinez, 24 mi away
Ranked #4 because of its Google rating and review volume: 4.9★ from 5,220 Google reviews, the most in Rio Vista.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Brentwood, 17 mi away
Ranked #5 because of its Google rating and trade focus: 4.9★ from 405 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lodi, 12 mi away
Ranked #6 because of its Google rating and trade focus: 4.9★ from 32 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Concord, 21 mi away
Ranked #7 because of its Google rating and review volume: 4.8★ from 1,046 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Dixon, 22 mi away
Ranked #8 because of its Google rating and review volume: 5.0★ from 1,451 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Pittsburg, 15 mi away
Ranked #9 because of its Google rating and trade focus: 4.4★ from 7 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Brentwood, 15 mi away
Ranked #10 because of its Google rating and trade focus: 4.2★ from 26 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Elk Grove, 25 mi away
Ranked #11 because of its Google rating and trade focus: 4.9★ from 30 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Pleasant Hill, 25 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 82 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Vacaville, 19 mi away
Ranked #13 because of its Google rating and review volume: 4.9★ from 500 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fairfield, 19 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 22 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fairfield, 24 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Pleasant Hill, 25 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Concord, 23 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Concord, 23 mi away
Ranked #18 because of its Google rating and trade focus: 4.7★ from 14 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Concord, 22 mi away
Ranked #19 because of its Google rating and trade focus: 3.3★ from 4 Google reviews, listed on Google as “Insulation contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Fairfield, 19 mi away
Ranked #20 because of its Google rating and trade focus: 4.4★ from 7 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fairfield, 21 mi away
Ranked #21 because of its Google rating and availability: 5.0★ from 10 Google reviews, open 24/7.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Concord, 23 mi away
Ranked #22 because of its Google rating and availability: 5.0★ from 13 Google reviews, open 24/7.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in American Canyon, 21 mi away
Ranked #23 because of its Google rating and review volume: 4.9★ from 236 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fairfield, 19 mi away
Ranked #24 because of its Google rating and trade focus: 4.6★ from 9 Google reviews, listed on Google as “Roofing contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Concord, 21 mi away
Ranked #25 because of its Google rating and availability: 4.0★ from 4 Google reviews, open 24/7.
Based on 8 of 10 factors; credentials and recency not yet collected.
#1 to #25 are shown in full above. Here are #26 to #34, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Electrify My Home | 45 | 4.9★ (46) | 19 mi |
| 27 | Phoenix Roofing & Solar | 45 | 4.8★ (113) | 23 mi |
| 28 | Roofmasters | 44 | 4.7★ (42) | 20 mi |
| 29 | 4 Edges Construction | 44 | 4.8★ (40) | 22 mi |
| 30 | OJ Insulation | 44 | 5.0★ (6) | 24 mi |
| 31 | JJC Painting | 43 | 5.0★ (15) | 22 mi |
| 32 | Garick Air Conditioning Service | 43 | 4.4★ (34) | 21 mi |
| 33 | Certified Coatings of Calif | 42 | 4.7★ (3) | 21 mi |
| 34 | Alliance Environmental Group | 39 | 2.5★ (10) | 25 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 | 14 mi | |
| Adams Field Services LLC. | 3.0★ (2) | 16 mi |
| ADL Professional Insulation | 7 mi | |
| All pro Insulation and junk solutions | 5.0★ (1) | 6 mi |
| Anderson Home Solutions Inc. | 24 mi | |
| Attic Solutions | 3.0★ (2) | 24 mi |
| Bay Area Insulation | 18 mi | |
| Bay Insulation Contractors | 13 mi | |
| Bayside Insulation-Construction Inc | 5.0★ (1) | 24 mi |
| C.A.V. Insulation Inc | 24 mi | |
| CELInsulation | 5.0★ (1) | 24 mi |
| concord Top insulation service | 24 mi | |
| Drywall SRL | 25 mi | |
| Kevin's insulation Co Antioch | 5.0★ (1) | 14 mi |
| PEM Insulation Company, Inc. | 25 mi | |
| Plastering Systems | 5.0★ (1) | 20 mi |
| Pre-Insualted Metal Technolgy | 3.0★ (2) | 22 mi |
| SOS Restoration | 22 mi | |
| Spradcon Builders | 4.7★ (15) | In Rio Vista |
| Vacaville attic cleaning and insulation | 20 mi |
National price ranges in USD, not adjusted for Rio Vista. 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 34 Rio Vista 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 Rio Vista 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 |