115 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Redwood Shores: Attic Pros, CR Score 63/100; 4.8★ from 1,938 Google reviews; open 24/7.
Best for emergencies (open 24/7): Trap Guard, posts 24/7 hours; ranked #3 of 115.
Most-reviewed: Service Champions, 3,407 Google reviews at 4.9★, the most of 115 ranked; ranked #19.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
115 Redwood Shores insulation contractors are ranked here by CR Score, from ten published factors. 37 are open 24/7, 83 open Saturdays and 71 open Sundays, based on posted hours. The median Google rating is 5.0★ across 115 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Attic Pros | 63 | 4.8★ (1,938) | Oakland, 15 mi away | 24/7 | Overall |
| 2 | Attic Star | 61 | 4.9★ (156) | Redwood City, 4 mi away | Sat · Sun · Evenings | — |
| 3 | Trap Guard | 60 | 5.0★ (13) | Redwood Shores | 24/7 | Emergencies |
| 4 | Atticare USA | 59 | 4.8★ (439) | San Leandro, 14 mi away | Sat · Sun · Evenings | — |
| 5 | Reactic Restoration | 59 | 5.0★ (12) | San Carlos, 2 mi away | 24/7 | — |
| 6 | American Attic | 59 | 5.0★ (219) | Oakland, 16 mi away | Sat · Sun | — |
| 7 | Rywen Insulation Inc. | 59 | 5.0★ (151) | San Leandro, 14 mi away | Sat · Sun | — |
| 8 | Attic Elite | 59 | 4.9★ (474) | Newark, 13 mi away | Sun | — |
| 9 | Insulation Solutions | 59 | 5.0★ (11) | San Mateo, 3 mi away | 24/7 | — |
| 10 | Alley Cat - Rodent Exclusion Company | 59 | 4.9★ (413) | San Francisco, 19 mi away | Sat · Sun · Evenings | — |
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.
Ranked #1 because of its Google rating and trade focus: 4.8★ from 1,938 Google reviews, listed on Google as “Insulation contractor”.
Based in Redwood City, 4 mi away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 156 Google reviews, listed on Google as “Insulation contractor”.
Based in Redwood Shores
Ranked #3 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Insulation contractor”.
Based in San Leandro, 14 mi away
Ranked #4 because of its Google rating and trade focus: 4.8★ from 439 Google reviews, listed on Google as “Insulation contractor”.
Based in San Carlos, 2 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 12 Google reviews, listed on Google as “Insulation contractor”.
Based in Oakland, 16 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 Leandro, 14 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 151 Google reviews, listed on Google as “Insulation contractor”.
Based in Newark, 13 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 474 Google reviews, listed on Google as “Insulation contractor”.
Based in San Mateo, 3 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Insulation contractor”.
Based in San Francisco, 19 mi away
Ranked #10 because of its Google rating and trade focus: 4.9★ from 413 Google reviews, listed on Google as “Insulation contractor”.
Based in Dublin, 18 mi away
Ranked #11 because of its Google rating and trade focus: 4.9★ from 279 Google reviews, listed on Google as “Insulation contractor”.
Based in Hayward, 14 mi away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 48 Google reviews, listed on Google as “Insulation contractor”.
Based in Redwood Shores
Ranked #13 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Insulation contractor”.
Based in Palo Alto, 9 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 16 Google reviews, listed on Google as “Insulation contractor”.
Based in Redwood Shores
Ranked #15 because of its Google rating and trade focus: 5.0★ from 67 Google reviews, listed on Google as “Insulation contractor”.
Based in Redwood Shores
Ranked #16 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Insulation contractor”.
Based in Redwood Shores
Ranked #17 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Insulation contractor”.
Based in Redwood Shores
Ranked #18 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Insulation contractor”.
Based in San Jose, 21 mi away
Ranked #19 because of its Google rating and review volume: 4.9★ from 3,407 Google reviews, the most in Redwood Shores.
Based in Alamo, 25 mi away
Ranked #20 because of its Google rating and trade focus: 4.9★ from 94 Google reviews, listed on Google as “Insulation contractor”.
Based in Mountain View, 13 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 34 Google reviews, listed on Google as “Insulation contractor”.
Based in San Mateo, 5 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Insulation contractor”.
Based in Oakland, 17 mi away
Ranked #23 because of its Google rating and trade focus: 4.7★ from 31 Google reviews, listed on Google as “Insulation contractor”.
Based in Berkeley, 23 mi away
Ranked #24 because of its Google rating and trade focus: 4.9★ from 1,071 Google reviews, listed on Google as “Insulation contractor”.
Based in Fremont, 15 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 31 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 115 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 |
|---|---|---|
| 911 Insulation Contractor | In Redwood Shores | |
| Attic Insulation Remove & Install | 1.0★ (1) | In Redwood Shores |
| Attic Wise Cleaning | 5.0★ (2) | In Redwood Shores |
| Bay Insulation Contractors | In Redwood Shores | |
| Bear Insulation and Services | 5.0★ (2) | In Redwood Shores |
| Brandon's Attic Control | 5.0★ (2) | 18 mi |
| Consolid | 5.0★ (4) | In Redwood Shores |
| Eco Scale Construction | 5.0★ (10) | In Redwood Shores |
| Emerald Insulation & Acoustical Inc. | 5.0★ (2) | 18 mi |
| Golden Bay Insulation, Inc. | In Redwood Shores | |
| Insulation & Air Duct Crew | 5.0★ (2) | 12 mi |
| Melgar HVAC SOLUTIONS | 5.0★ (13) | In Redwood Shores |
| My Steam Rug & Sofa Cleaning | 5.0★ (2) | In Redwood Shores |
| Palo Alto Attic Clean Up | In Redwood Shores | |
| Panda Heating & Cooling | 3.5★ (2) | 15 mi |
| Premier Solutions | 4.2★ (5) | In Redwood Shores |
| PRO ATTIC RESTORATION | 5.0★ (2) | 14 mi |
| San Mateo Attic Insulation Now | 5.0★ (1) | In Redwood Shores |
| Weiler Construction | 5.0★ (7) | In Redwood Shores |
| YS Attic Insulation | In Redwood Shores |
National price ranges in USD, not adjusted for Redwood Shores. 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 115 Redwood Shores 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 Redwood Shores 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 |