91/100CR Score
Ranked #1 because of its Google rating and availability: 4.8★ from 1,938 Google reviews, open 24/7.
- 4.8★ from 1,938 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 718 Douglas Ave, Oakland, CA 94603
Best Insulation Contractors in Saranap, CA (2026)
103 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Saranap: Attic Pros, CR Score 91/100; 4.8★ from 1,938 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Miller Attics, posts 24/7 hours; ranked #2 of 103.
- 4
Most-reviewed: Service Champions, 5,220 Google reviews at 4.9★, the most of 103 ranked; ranked #4.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
103 Saranap insulation contractors are ranked here by CR Score, from 8 published factors. 26 are open 24/7, 68 open Saturdays and 52 open Sundays, based on posted hours. The median Google rating is 4.9★ across 103 rated businesses.
Top 10 insulation contractors in Saranap at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Attic Pros | 91 | 4.8★ (1,938) | Oakland, 12 mi away | 24/7 | Overall |
| 2 | Miller Attics | 89 | 5.0★ (46) | Walnut Creek, 2 mi away | 24/7 | Emergencies |
| 3 | Alamo Attic Insulation Pro | 88 | 4.9★ (94) | Alamo, 3 mi away | 24/7 | — |
| 4 | Service Champions | 87 | 4.9★ (5,220) | Martinez, 9 mi away | 24/7 | Most reviews |
| 5 | American Attic | 86 | 5.0★ (219) | Oakland, 11 mi away | Sat · Sun | — |
| 6 | EcoGuard Pest Management | 86 | 4.9★ (279) | Dublin, 10 mi away | Sat · Sun · Evenings | — |
| 7 | Reactic Restoration | 86 | 5.0★ (57) | Richmond, 16 mi away | 24/7 | — |
| 8 | Pro Attic Restoration | 85 | 4.9★ (48) | Hayward, 14 mi away | 24/7 | — |
| 9 | Atticare USA | 85 | 4.8★ (439) | San Leandro, 12 mi away | Sat · Sun · Evenings | — |
| 10 | Attic Cleaning Services LLC | 85 | 4.9★ (76) | Alameda, 19 mi away | 24/7 | — |
The 103 best insulation contractors in Saranap, ranked
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Based in Walnut Creek, 2 mi away
89/100CR ScoreRanked #2 because of its Google rating and availability: 5.0★ from 46 Google reviews, open 24/7.
- 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 Alamo, 3 mi away
88/100CR ScoreRanked #3 because of its Google rating and availability: 4.9★ from 94 Google reviews, open 24/7.
- 4.9★ from 94 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 220 Alamo Plaza, Alamo, CA 94507
Based in Martinez, 9 mi away
87/100CR ScoreRanked #4 because of its Google rating and review volume: 4.9★ from 5,220 Google reviews, the most Google reviews on this list (5,220).
- 4.9★ from 5,220 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 261 Arthur Rd, Martinez, CA 94553
Based in Oakland, 11 mi away
86/100CR ScoreRanked #5 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 Dublin, 10 mi away
86/100CR ScoreRanked #6 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 Richmond, 16 mi away
86/100CR ScoreRanked #7 because of its Google rating and availability: 5.0★ from 57 Google reviews, open 24/7.
- 5.0★ from 57 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3049 Research Dr, Richmond, CA 94806
Based in Hayward, 14 mi away
85/100CR ScoreRanked #8 because of its Google rating and availability: 4.9★ from 48 Google reviews, open 24/7.
- 4.9★ from 48 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1340 A St, Hayward, CA 94541
#9 Atticare USA
Based in San Leandro, 12 mi away
85/100CR ScoreRanked #9 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 Alameda, 19 mi away
85/100CR ScoreRanked #10 because of its Google rating and availability: 4.9★ from 76 Google reviews, open 24/7.
- 4.9★ from 76 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in San Leandro, 13 mi away
85/100CR ScoreRanked #11 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 Oakland, 11 mi away
85/100CR ScoreRanked #12 because of its Google rating and availability: 4.7★ from 31 Google reviews, open 24/7.
- 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 Livermore, 20 mi away
84/100CR ScoreRanked #13 because of its Google rating and availability: 4.9★ from 4,721 Google reviews, open 24/7.
- 4.9★ from 4,721 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 207 Boeing Ct, Livermore, CA 94551
Based in Concord, 7 mi away
84/100CR ScoreRanked #14 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 Concord, 9 mi away
84/100CR ScoreRanked #15 because of its Google rating and availability: 4.8★ from 1,046 Google reviews, open 24/7.
- 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 Berkeley, 11 mi away
84/100CR ScoreRanked #16 because of its Google rating and availability: 4.7★ from 14 Google reviews, open 24/7.
- 4.7★ from 14 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2113B Delaware St, Berkeley, CA 94709
Based in San Francisco, 20 mi away
84/100CR ScoreRanked #17 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 Pleasanton, 16 mi away
83/100CR ScoreRanked #18 because of its Google rating and availability: 4.8★ from 2,337 Google reviews, open 24/7.
- 4.8★ from 2,337 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 7020 Commerce Dr, Pleasanton, CA 94588
Based in Berkeley, 10 mi away
83/100CR ScoreRanked #19 because of its Google rating and availability: 5.0★ from 4 Google reviews, open 24/7.
- 5.0★ from 4 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Livermore, 20 mi away
82/100CR ScoreRanked #20 because of its Google rating and availability: 4.9★ from 1,331 Google reviews, open 24/7.
- 4.9★ from 1,331 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 96 Rickenbacker Cir, Livermore, CA 94551
Based in Berkeley, 12 mi away
82/100CR ScoreRanked #21 because of its Google rating and availability: 4.6★ from 5 Google reviews, open 24/7.
- 4.6★ from 5 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1227 Hopkins St, Berkeley, CA 94702
#22 Mr Attic
Based in Martinez, 8 mi away
82/100CR ScoreRanked #22 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
Based in Berkeley, 10 mi away
82/100CR ScoreRanked #23 because of its Google rating and availability: 3.4★ from 5 Google reviews, open 24/7.
- 3.4★ from 5 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1569 Arch St, Berkeley, CA 94708
Based in Alameda, 9 mi away
82/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.8★ from 18 Google reviews, listed on Google as “Insulation contractor”.
- 4.8★ from 18 Google reviews
- Hours
- Mon–Sun 8 AM–9 PM
#25 Alley Cat
Based in Berkeley, 9 mi away
81/100CR ScoreRanked #25 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
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 103 ranked insulation contractors here; the rest are on their profiles.
Also serving Saranap
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) | 11 mi |
| Adams Field Services LLC. | 3.0★ (2) | 13 mi |
| Airseal Inc | 3.0★ (2) | 10 mi |
| Attic Fix Pro | 5.0★ (1) | 7 mi |
| Attic Solutions | 3.0★ (2) | 5 mi |
| Bayside Insulation-Construction Inc | 5.0★ (1) | 6 mi |
| Brandon's Attic Control | 5.0★ (2) | 10 mi |
| Brick & Hammer | 5.0★ (2) | 3 mi |
| Canyon Insulation Inc | 5.0★ (2) | 23 mi |
| Emerald Insulation & Acoustical Inc. | 5.0★ (2) | 21 mi |
| Golden Restore inc Berkeley | 1.0★ (1) | 10 mi |
| Insulation & Air Duct Crew | 5.0★ (2) | 16 mi |
| Panda Heating & Cooling | 3.5★ (2) | 12 mi |
| Peak Core Insulation | 5.0★ (2) | 12 mi |
| Performance Contracting Inc | 1.0★ (2) | 24 mi |
| Petrochem Insulation Inc | 1.0★ (2) | 17 mi |
| Prime Air Duct Cleaning | 5.0★ (2) | 23 mi |
| PRO ATTIC RESTORATION | 5.0★ (2) | 14 mi |
| Quality Pro Guard | 1.0★ (2) | 9 mi |
| Soundproofing Remodelers San Francisco Bay Area | 5.0★ (2) | 24 mi |
How much do insulation contractors cost in Saranap?
National price ranges in USD, not adjusted for Saranap. 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 Saranap insulation contractors
We scored 103 Saranap insulation contractors on 8 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. Unknown factors are left out of the score, 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 Saranap data |
|---|---|---|---|
| Reputation | 35% | Bayesian-adjusted Google star rating | Measured |
| Credentials | 15% | Active state license 0.6, bond 0.2, workers’ comp 0.2 | Not yet collected |
| Review volume | 10% | log10(reviews + 1) against the list maximum | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 10% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | Google main category 1.0, business name 0.7, additional category 0.5 | Measured |
| Proximity | 5% | 1.0 when based in the city, falling to 0 at the trade’s radius | Measured |
| Completeness | 5% | Website, photos, description, hours, claimed profile (0.2 each) | Measured |
Insulation contractors in Saranap: frequently asked questions
Who is the best insulation contractor in Saranap?
By CR Score, the highest-ranked insulation contractor in Saranap, CA is Attic Pros with a CR Score of 91/100. It has 4.8★ from 1,938 Google reviews. It is open 24/7. Miller Attics (#2) and Alamo Attic Insulation Pro (#3) follow. We ranked 103 insulation contractors on 8 factors, last updated October 22, 2026.
How many insulation contractors are there in Saranap?
ContractorsRanked ranks 103 insulation contractors serving Saranap, CA. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.
Which insulation contractors in Saranap are open 24/7?
26 ranked insulation contractors in Saranap post 24/7 hours. The highest-ranked are Attic Pros (#1), Miller Attics (#2) and Alamo Attic Insulation Pro (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which insulation contractors in Saranap work on weekends?
68 of 103 ranked insulation contractors post Saturday hours and 52 post Sunday hours. The highest-ranked open Saturdays are Attic Pros (#1), Miller Attics (#2) and Alamo Attic Insulation Pro (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does attic insulation cost in Saranap?
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 Saranap. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Saranap insulation contractors have?
The median Google rating among 103 rated insulation contractors in Saranap is 4.9★, with a median of 26 reviews. Service Champions has the most, 5,220 reviews, and ranks #4. 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 8 published factors, led by reputation (35%), credentials (15%), review volume (10%) and recency (10%). Factors we cannot measure are left out, not scored as zero. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Do insulation contractors outside Saranap count in this ranking?
Yes, if they are within 25 mi of the Saranap 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 Saranap
- October 2026: CR Scores recalculated for 103 insulation contractors serving Saranap.
More insulation contractors and Saranap pages
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