65 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Mill Valley: Attic Pros, CR Score 89/100; 4.8★ from 1,938 Google reviews; open 24/7.
Best for emergencies (open 24/7): Attic Cleaning Services LLC, posts 24/7 hours; ranked #2 of 65.
Most-reviewed: Alley Cat, 1,071 Google reviews at 4.9★, the most of 65 ranked after Attic Pros; ranked #18.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
65 Mill Valley insulation contractors are ranked here by CR Score, from 8 published factors. 18 are open 24/7, 46 open Saturdays and 33 open Sundays, based on posted hours. The median Google rating is 4.9★ across 65 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Attic Pros | 89 | 4.8★ (1,938) | Oakland, 23 mi away | 24/7 | Overall |
| 2 | Attic Cleaning Services LLC | 89 | 4.9★ (76) | Alameda, 7 mi away | 24/7 | Emergencies |
| 3 | Alley Cat - Rodent Exclusion Company | 87 | 4.9★ (413) | San Francisco, 11 mi away | Sat · Sun · Evenings | — |
| 4 | Reactic Restoration | 87 | 5.0★ (57) | Richmond, 13 mi away | 24/7 | — |
| 5 | Tiburon Attic Insulation | 85 | 4.4★ (10) | Mill Valley | 24/7 | — |
| 6 | American Attic | 83 | 5.0★ (219) | Oakland, 24 mi away | Sat · Sun | — |
| 7 | SOS Restoration | 83 | 5.0★ (3) | San Rafael, 7 mi away | 24/7 | — |
| 8 | Atticare USA | 83 | 4.8★ (439) | San Leandro, 25 mi away | Sat · Sun · Evenings | — |
| 9 | Bears Restoration | 83 | 4.7★ (14) | Berkeley, 15 mi away | 24/7 | — |
| 10 | Reactic Restoration | 83 | 4.7★ (31) | Oakland, 19 mi away | 24/7 | — |
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.
Ranked #1 because of its Google rating and review volume: 4.8★ from 1,938 Google reviews, the most Google reviews on this list (1,938).
Based in Alameda, 7 mi away
Ranked #2 because of its Google rating and availability: 4.9★ from 76 Google reviews, open 24/7.
Based in San Francisco, 11 mi away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 413 Google reviews, listed on Google as “Insulation contractor”.
Based in Richmond, 13 mi away
Ranked #4 because of its Google rating and availability: 5.0★ from 57 Google reviews, open 24/7.
Based in Mill Valley
Ranked #5 because of its Google rating and availability: 4.4★ from 10 Google reviews, open 24/7.
Based in Oakland, 24 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 219 Google reviews, listed on Google as “Insulation contractor”.
Based in San Rafael, 7 mi away
Ranked #7 because of its Google rating and availability: 5.0★ from 3 Google reviews, open 24/7.
Based in San Leandro, 25 mi away
Ranked #8 because of its Google rating and trade focus: 4.8★ from 439 Google reviews, listed on Google as “Insulation contractor”.
Based in Berkeley, 15 mi away
Ranked #9 because of its Google rating and availability: 4.7★ from 14 Google reviews, open 24/7.
Based in Oakland, 19 mi away
Ranked #10 because of its Google rating and availability: 4.7★ from 31 Google reviews, open 24/7.
Based in San Leandro, 23 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 151 Google reviews, listed on Google as “Insulation contractor”.
Based in Novato, 14 mi away
Ranked #12 because of its Google rating and availability: 4.7★ from 10 Google reviews, open 24/7.
Based in Fremont, 7 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 Corte Madera, 2 mi away
Ranked #14 because of its Google rating and trade focus: 4.8★ from 49 Google reviews, listed on Google as “Insulation contractor”.
Based in Alameda, 7 mi away
Ranked #15 because of its Google rating and availability: 5.0★ from 3 Google reviews, open 24/7.
Based in Berkeley, 14 mi away
Ranked #16 because of its Google rating and availability: 4.6★ from 5 Google reviews, open 24/7.
Based in Berkeley, 16 mi away
Ranked #17 because of its Google rating and availability: 5.0★ from 4 Google reviews, open 24/7.
Based in Berkeley, 17 mi away
Ranked #18 because of its Google rating and trade focus: 4.9★ from 1,071 Google reviews, listed on Google as “Insulation contractor”.
Based in Richmond, 11 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 44 Google reviews, listed on Google as “Insulation contractor”.
Based in Berkeley, 15 mi away
Ranked #20 because of its Google rating and availability: 3.4★ from 5 Google reviews, open 24/7.
Based in San Francisco, 11 mi away
Ranked #21 because of its Google rating and trade focus: 4.9★ from 54 Google reviews, listed on Google as “Insulation contractor”.
Based in Daly City, 18 mi away
Ranked #22 because of its Google rating and availability: 4.0★ from 4 Google reviews, open 24/7.
Based in San Francisco, 11 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 32 Google reviews, listed on Google as “Insulation contractor”.
Based in San Francisco, 15 mi away
Ranked #24 because of its Google rating and availability: 4.9★ from 63 Google reviews, open 24/7.
Based in Antioch, 7 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 6 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 65 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 |
|---|---|---|
| A & M Lath & Plastering Inc. | 1.0★ (1) | 21 mi |
| Airseal Inc | 3.0★ (2) | 23 mi |
| Brandon's Attic Control | 5.0★ (2) | 20 mi |
| CRG Insulation & Acoustical Inc. | 7 mi | |
| Emerald Insulation & Acoustical Inc. | 5.0★ (2) | 12 mi |
| Equinox Roofing Solutions | 5.0★ (1) | 7 mi |
| Fire Damage Patrol | 5.0★ (1) | 11 mi |
| Gold attic insulation san Francisco | 5.0★ (1) | 11 mi |
| Golden Bay Insulation Inc. | 7 mi | |
| Golden Restore inc Berkeley | 1.0★ (1) | 16 mi |
| Marin Drywall Inc | 4 mi | |
| My S.f Attic Insulation Today | 7 mi | |
| O'Connor Insulation & Energy, Inc | 5.0★ (1) | 12 mi |
| Panda Heating & Cooling | 3.5★ (2) | 23 mi |
| Peak Core Insulation | 5.0★ (2) | 17 mi |
| Performance Contracting Inc | 1.0★ (1) | 9 mi |
| Petrochem Insulation Inc | 1.0★ (2) | 21 mi |
| Quality Pro Guard | 1.0★ (2) | 24 mi |
| Rising Design & Construction | 3.0★ (2) | 10 mi |
| Soundproofing Remodelers San Francisco Bay Area | 5.0★ (2) | 9 mi |
National price ranges in USD, not adjusted for Mill 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 |
We scored 65 Mill Valley 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 Mill Valley 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 |