62/100CR Score
Ranked #1 because of its Google rating and review volume: 4.8★ from 1,938 Google reviews, the most in Tamalpais Valley.
- 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 Tamalpais Valley, CA (2026)
65 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Tamalpais Valley: Attic Pros, CR Score 62/100; 4.8★ from 1,938 Google reviews; open 24/7.
- 3
Best for emergencies (open 24/7): Attic Cleaning Services LLC, posts 24/7 hours; ranked #3 of 65.
- 6
Most-reviewed: Alley Cat, 1,071 Google reviews at 4.9★, the most of 65 ranked after Attic Pros; ranked #6.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
65 Tamalpais Valley insulation contractors are ranked here by CR Score, from ten published factors. 19 are open 24/7, 48 open Saturdays and 36 open Sundays, based on posted hours. The median Google rating is 4.9★ across 65 rated businesses.
Top 10 insulation contractors in Tamalpais Valley at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Attic Pros | 62 | 4.8★ (1,938) | Oakland, 22 mi away | 24/7 | Overall |
| 2 | Alley Cat - Rodent Exclusion Company | 62 | 4.9★ (413) | San Francisco, 10 mi away | Sat · Sun · Evenings | — |
| 3 | Attic Cleaning Services LLC | 61 | 4.9★ (76) | Alameda, 7 mi away | 24/7 | Emergencies |
| 4 | Reactic Restoration | 59 | 5.0★ (57) | Richmond, 14 mi away | 24/7 | — |
| 5 | Tiburon Attic Insulation | 58 | 4.4★ (10) | Mill Valley, 2 mi away | 24/7 | — |
| 6 | Alley Cat | 58 | 4.9★ (1,071) | Berkeley, 17 mi away | Evenings | Most reviews |
| 7 | Atticare USA | 58 | 4.8★ (439) | San Leandro, 24 mi away | Sat · Sun · Evenings | — |
| 8 | American Attic | 58 | 5.0★ (219) | Oakland, 24 mi away | Sat · Sun | — |
| 9 | Eco Attic Systems | 57 | 4.8★ (49) | Corte Madera, 4 mi away | Sat · Evenings | — |
| 10 | Rywen Insulation Inc. | 57 | 5.0★ (151) | San Leandro, 22 mi away | Sat · Sun | — |
The 65 best insulation contractors in Tamalpais Valley, 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.
Based in San Francisco, 10 mi away
62/100CR ScoreRanked #2 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 Alameda, 7 mi away
61/100CR ScoreRanked #3 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
Based in Richmond, 14 mi away
59/100CR ScoreRanked #4 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 Mill Valley, 2 mi away
58/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.4★ from 10 Google reviews, listed on Google as “Insulation contractor”.
- 4.4★ from 10 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 655 Redwood Highway Frontage Rd, Mill Valley, CA 94941
#6 Alley Cat
Based in Berkeley, 17 mi away
58/100CR ScoreRanked #6 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
#7 Atticare USA
Based in San Leandro, 24 mi away
58/100CR ScoreRanked #7 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 Oakland, 24 mi away
58/100CR ScoreRanked #8 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 Corte Madera, 4 mi away
57/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.8★ from 49 Google reviews, listed on Google as “Insulation contractor”.
- 4.8★ from 49 Google reviews
- Hours
- Mon–Fri 6 AM–7 PM · Sat 9 AM–4 PM · Sun closed
- Address
- 400 Tamal Plaza suite 409, Corte Madera, CA 94925
Based in San Leandro, 22 mi away
57/100CR ScoreRanked #10 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 Fremont, 7 mi away
57/100CR ScoreRanked #11 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 7:30 AM–7 PM · Sat–Sun 7:30 AM–5 PM
Based in San Francisco, 10 mi away
56/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.9★ from 54 Google reviews, listed on Google as “Insulation contractor”.
- 4.9★ from 54 Google reviews
- Hours
- Mon–Sat 6 AM–8 PM · Sun closed
- Address
- 800 Avenue H, San Francisco, CA 94130
Based in Richmond, 11 mi away
56/100CR ScoreRanked #13 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 Oakland, 18 mi away
56/100CR ScoreRanked #14 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
#15 911 Attic
Based in Alameda, 7 mi away
56/100CR ScoreRanked #15 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 3 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in San Francisco, 9 mi away
56/100CR ScoreRanked #16 because of its Google rating and trade focus: 5.0★ from 32 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 32 Google reviews
- Hours
- Mon–Sat 7 AM–7 PM · Sun closed
- Address
- 1240 Bush St, San Francisco, CA 94109
Based in Berkeley, 15 mi away
56/100CR ScoreRanked #17 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
#18 SOS Restoration
Based in San Rafael, 9 mi away
55/100CR ScoreRanked #18 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 3 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 4040 Civic Center Dr Suite 200, San Rafael, CA 94903
Based in Antioch, 7 mi away
55/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 6 Google reviews
- Hours
- Mon–Sun 8 AM–5 PM
Based in Antelope, 14 mi away
55/100CR ScoreRanked #20 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 Alameda, 13 mi away
55/100CR ScoreRanked #21 because of its Google rating and trade focus: 5.0★ from 33 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 33 Google reviews
- Hours
- Mon–Fri 8 AM–7 PM · Sat 8 AM–5 PM · Sun closed
Based in Novato, 16 mi away
55/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.7★ from 10 Google reviews, listed on Google as “Insulation contractor”.
- 4.7★ from 10 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 7250 Redwood Blvd Suite 300, Novato, CA 94945
Based in Berkeley, 14 mi away
55/100CR ScoreRanked #23 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 San Francisco, 8 mi away
54/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.3★ from 24 Google reviews, listed on Google as “Insulation contractor”.
- 4.3★ from 24 Google reviews
- Hours
- Mon–Sat 8 AM–5 PM · Sun closed
- Address
- 662 30th Ave, San Francisco, CA 94121
Based in Oakland, 16 mi away
54/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.8★ from 38 Google reviews, listed on Google as “Insulation contractor”.
- 4.8★ from 38 Google reviews
- Hours
- Mon–Sat 8 AM–6 PM · Sun closed
- Address
- 1721 Broadway suit #201, Oakland, CA 94612
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 65 ranked insulation contractors here; the rest are on their profiles.
Also serving Tamalpais Valley
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) | 20 mi |
| Airseal Inc | 3.0★ (2) | 24 mi |
| Brandon's Attic Control | 5.0★ (2) | 20 mi |
| CRG Insulation & Acoustical Inc. | 7 mi | |
| Emerald Insulation & Acoustical Inc. | 5.0★ (2) | 11 mi |
| Equinox Roofing Solutions | 5.0★ (1) | 9 mi |
| Fire Damage Patrol | 5.0★ (1) | 10 mi |
| Gold attic insulation san Francisco | 5.0★ (1) | 10 mi |
| Golden Bay Insulation Inc. | 7 mi | |
| Golden Restore inc Berkeley | 1.0★ (1) | 16 mi |
| Marin Drywall Inc | 3 mi | |
| My S.f Attic Insulation Today | 7 mi | |
| O'Connor Insulation & Energy, Inc | 5.0★ (1) | 11 mi |
| Panda Heating & Cooling | 3.5★ (2) | 22 mi |
| Peak Core Insulation | 5.0★ (2) | 16 mi |
| Performance Contracting Inc | 1.0★ (1) | 10 mi |
| Petrochem Insulation Inc | 1.0★ (2) | 22 mi |
| Quality Pro Guard | 1.0★ (2) | 24 mi |
| Rising Design & Construction | 3.0★ (2) | 11 mi |
| Soundproofing Remodelers San Francisco Bay Area | 5.0★ (2) | 8 mi |
How much do insulation contractors cost in Tamalpais Valley?
National price ranges in USD, not adjusted for Tamalpais Valley. 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 Tamalpais Valley insulation contractors
We scored 65 Tamalpais Valley 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 Tamalpais Valley 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 Tamalpais Valley: frequently asked questions
Who is the best insulation contractor in Tamalpais Valley?
By CR Score, the highest-ranked insulation contractor in Tamalpais Valley, CA is Attic Pros with a CR Score of 62/100. It has 4.8★ from 1,938 Google reviews. It is open 24/7. Alley Cat - Rodent Exclusion Company (#2) and Attic Cleaning Services LLC (#3) follow. We ranked 65 insulation contractors on ten factors, last updated October 22, 2026.
How many insulation contractors are there in Tamalpais Valley?
ContractorsRanked ranks 65 insulation contractors serving Tamalpais Valley, CA. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.
Which insulation contractors in Tamalpais Valley are open 24/7?
19 ranked insulation contractors in Tamalpais Valley post 24/7 hours. The highest-ranked are Attic Pros (#1), Attic Cleaning Services LLC (#3) and Reactic Restoration (#4). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which insulation contractors in Tamalpais Valley work on weekends?
48 of 65 ranked insulation contractors post Saturday hours and 36 post Sunday hours. The highest-ranked open Saturdays are Attic Pros (#1), Alley Cat - Rodent Exclusion Company (#2) and Attic Cleaning Services LLC (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does attic insulation cost in Tamalpais Valley?
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 Tamalpais Valley. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Tamalpais Valley insulation contractors have?
The median Google rating among 65 rated insulation contractors in Tamalpais Valley is 4.9★, with a median of 18 reviews. Attic Pros has the most, 1,938 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 Tamalpais Valley count in this ranking?
Yes, if they are within 25 mi of the Tamalpais Valley 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 Tamalpais Valley
- October 2026: CR Scores recalculated for 65 insulation contractors serving Tamalpais Valley.
More insulation contractors and Tamalpais Valley pages
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