60/100CR Score
Ranked #1 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
Best Insulation Contractors in Lucas Valley-Marinwood, CA (2026)
50 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Lucas Valley-Marinwood: Attic Cleaning Services LLC, CR Score 60/100; 4.9★ from 76 Google reviews; open 24/7.
- 3
Best for emergencies (open 24/7): Reactic Restoration, posts 24/7 hours; ranked #3 of 50.
- 5
Most-reviewed: Alley Cat, 1,071 Google reviews at 4.9★, the most of 50 ranked; ranked #5.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
50 Lucas Valley-Marinwood insulation contractors are ranked here by CR Score, from ten published factors. 14 are open 24/7, 35 open Saturdays and 22 open Sundays, based on posted hours. The median Google rating is 5.0★ across 50 rated businesses.
Top 10 insulation contractors in Lucas Valley-Marinwood at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Attic Cleaning Services LLC | 60 | 4.9★ (76) | Alameda, 14 mi away | 24/7 | Overall |
| 2 | Alley Cat - Rodent Exclusion Company | 60 | 4.9★ (413) | San Francisco, 20 mi away | Sat · Sun · Evenings | — |
| 3 | Reactic Restoration | 60 | 5.0★ (57) | Richmond, 14 mi away | 24/7 | Emergencies |
| 4 | Reactic Restoration | 58 | 4.7★ (10) | Novato, 5 mi away | 24/7 | — |
| 5 | Alley Cat | 58 | 4.9★ (1,071) | Berkeley, 22 mi away | Evenings | Most reviews |
| 6 | SOS Restoration | 57 | 5.0★ (3) | San Rafael, 3 mi away | 24/7 | — |
| 7 | Eco Attic Systems | 57 | 4.8★ (49) | Corte Madera, 8 mi away | Sat · Evenings | — |
| 8 | Tiburon Attic Insulation | 57 | 4.4★ (10) | Mill Valley, 11 mi away | 24/7 | — |
| 9 | Noble Insulation Inc | 56 | 5.0★ (44) | Richmond, 14 mi away | Sat · Evenings | — |
| 10 | Attic Cali - Rodent Proofing & Insulation Pros | 56 | 4.7★ (23) | Fremont, 14 mi away | Sat · Sun · Evenings | — |
The 50 best insulation contractors in Lucas Valley-Marinwood, 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, 20 mi away
60/100CR 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 Richmond, 14 mi away
60/100CR ScoreRanked #3 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 Novato, 5 mi away
58/100CR ScoreRanked #4 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
#5 Alley Cat
Based in Berkeley, 22 mi away
58/100CR ScoreRanked #5 because of its Google rating and review volume: 4.9★ from 1,071 Google reviews, the most in Lucas Valley-Marinwood.
- 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
Based in San Rafael, 3 mi away
57/100CR ScoreRanked #6 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 Corte Madera, 8 mi away
57/100CR ScoreRanked #7 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 Mill Valley, 11 mi away
57/100CR ScoreRanked #8 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
Based in Richmond, 14 mi away
56/100CR ScoreRanked #9 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 Fremont, 14 mi away
56/100CR ScoreRanked #10 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 Berkeley, 20 mi away
55/100CR ScoreRanked #11 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
Based in San Francisco, 19 mi away
55/100CR 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 Antelope, 19 mi away
55/100CR ScoreRanked #13 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
#14 911 Attic
Based in Alameda, 14 mi away
54/100CR ScoreRanked #14 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 Lucas Valley-Marinwood
54/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.0★ from 3 Google reviews, listed on Google as “Insulation contractor”.
- 4.0★ from 3 Google reviews
- Hours
- Mon–Sat 8 AM–5 PM · Sun closed
Based in San Francisco, 19 mi away
54/100CR 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 Antioch, 14 mi away
54/100CR ScoreRanked #17 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 Berkeley, 19 mi away
54/100CR ScoreRanked #18 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
#19 Attic Kings
Based in Vallejo, 20 mi away
54/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 26 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 26 Google reviews
- Hours
- Mon–Sat 8 AM–6 PM · Sun closed
- Address
- 1830 Springs Rd, Vallejo, CA 94591
Based in Alameda, 22 mi away
53/100CR ScoreRanked #20 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
#21 Mr Attic
Based in Martinez, 24 mi away
53/100CR ScoreRanked #21 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
#22 Atticare
Based in Petaluma, 16 mi away
53/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 15 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat 9:30 AM–4 PM · Sun closed
- Address
- 1160 Industrial Ave F, Petaluma, CA 94952
Based in San Rafael, 3 mi away
53/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 5 Google reviews
- Hours
- Mon–Fri 6 AM–4 PM · Sat–Sun closed
- Address
- 4316 Redwood Hwy STE 400, San Rafael, CA 94903
Based in Berkeley, 22 mi away
53/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 4 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Oakland, 23 mi away
53/100CR 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
All 50 insulation contractors
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile.
Also serving Lucas Valley-Marinwood
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 |
|---|---|---|
| AG Painting | 5.0★ (1) | 19 mi |
| Airseal Inc | 3.0★ (2) | 24 mi |
| CELInsulation | 5.0★ (1) | 25 mi |
| CRG Insulation & Acoustical Inc. | 14 mi | |
| Emerald Insulation & Acoustical Inc. | 5.0★ (2) | 21 mi |
| Equinox Roofing Solutions | 5.0★ (1) | 3 mi |
| Fire Damage Patrol | 5.0★ (1) | 20 mi |
| Gold attic insulation san Francisco | 5.0★ (1) | 20 mi |
| Golden Restore inc Berkeley | 1.0★ (1) | 21 mi |
| Marin Drywall Inc | 13 mi | |
| O'Connor Insulation & Energy, Inc | 5.0★ (1) | 19 mi |
| Peak Core Insulation | 5.0★ (2) | 23 mi |
| Performance Contracting Inc | 1.0★ (1) | 13 mi |
| Petrochem Insulation Inc | 1.0★ (2) | 18 mi |
| Protek Cargo | 5.0★ (2) | 21 mi |
| Quality Pro Guard | 1.0★ (2) | 24 mi |
| Rising Design & Construction | 3.0★ (2) | 8 mi |
| Rohnert Park attic insulation | 1.0★ (1) | 22 mi |
| S.A.F.E- Mold, Attics & Ceawl Space Restoration | 12 mi | |
| Soundproofing Remodelers San Francisco Bay Area | 5.0★ (2) | 19 mi |
How much do insulation contractors cost in Lucas Valley-Marinwood?
National price ranges in USD, not adjusted for Lucas Valley-Marinwood. 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 Lucas Valley-Marinwood insulation contractors
We scored 50 Lucas Valley-Marinwood 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 Lucas Valley-Marinwood 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 Lucas Valley-Marinwood: frequently asked questions
Who is the best insulation contractor in Lucas Valley-Marinwood?
By CR Score, the highest-ranked insulation contractor in Lucas Valley-Marinwood, CA is Attic Cleaning Services LLC with a CR Score of 60/100. It has 4.9★ from 76 Google reviews. It is open 24/7. Alley Cat - Rodent Exclusion Company (#2) and Reactic Restoration (#3) follow. We ranked 50 insulation contractors on ten factors, last updated October 22, 2026.
How many insulation contractors are there in Lucas Valley-Marinwood?
ContractorsRanked ranks 50 insulation contractors serving Lucas Valley-Marinwood, CA. 1 of them is based in Lucas Valley-Marinwood; the rest serve it from nearby towns. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.
Which insulation contractors in Lucas Valley-Marinwood are open 24/7?
14 ranked insulation contractors in Lucas Valley-Marinwood post 24/7 hours. The highest-ranked are Attic Cleaning Services LLC (#1), Reactic Restoration (#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 Lucas Valley-Marinwood work on weekends?
35 of 50 ranked insulation contractors post Saturday hours and 22 post Sunday hours. The highest-ranked open Saturdays are Attic Cleaning Services LLC (#1), Alley Cat - Rodent Exclusion Company (#2) and Reactic Restoration (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does attic insulation cost in Lucas Valley-Marinwood?
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 Lucas Valley-Marinwood. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Lucas Valley-Marinwood insulation contractors have?
The median Google rating among 50 rated insulation contractors in Lucas Valley-Marinwood is 5.0★, with a median of 15 reviews. Alley Cat has the most, 1,071 reviews, and ranks #5. 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 Lucas Valley-Marinwood count in this ranking?
Yes, if they are within 25 mi of the Lucas Valley-Marinwood 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 Lucas Valley-Marinwood
- October 2026: CR Scores recalculated for 50 insulation contractors serving Lucas Valley-Marinwood.
More insulation contractors and Lucas Valley-Marinwood pages
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