16 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Santa Cruz: Los Gatos Top Insulation, CR Score 63/100; 4.9★ from 86 Google reviews; open 24/7.
Best for emergencies (open 24/7): Attic Pros, posts 24/7 hours; ranked #2 of 16.
Most-reviewed: Attic Pros, 104 Google reviews at 4.7★, the most of 16 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
16 Santa Cruz insulation contractors are ranked here by CR Score, from ten published factors. 7 are open 24/7, 11 open Saturdays and 10 open Sundays, based on posted hours. The median Google rating is 5.0★ across 16 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Los Gatos Top Insulation | 63 | 4.9★ (86) | Los Gatos, 17 mi away | 24/7 | Overall |
| 2 | Attic Pros | 61 | 4.7★ (104) | San Jose, 24 mi away | 24/7 | Emergencies, Most reviews |
| 3 | Reactic Restoration | 57 | 5.0★ (13) | Santa Cruz | 24/7 | — |
| 4 | Attic City San Jose | 56 | 4.6★ (14) | San Jose, 24 mi away | 24/7 | — |
| 5 | Everlast Attic | 55 | 5.0★ (7) | San Jose, 23 mi away | 24/7 | — |
| 6 | Attic Masters Insulation Services | 55 | 5.0★ (7) | Canoga Park, 24 mi away | 24/7 | — |
| 7 | Sanden Insulation | 55 | 5.0★ (13) | Watsonville, 10 mi away | — | — |
| 8 | AttiCal Insulation and Rodents | 55 | 5.0★ (11) | Redwood Shores, 23 mi away | Sat · Sun · Evenings | — |
| 9 | Pestfree Attic Cleaners Saratoga | 55 | 5.0★ (8) | Saratoga, 21 mi away | Sat · Sun | — |
| 10 | San Jose Spray Foam Insulation | 53 | 5.0★ (16) | Fremont, 23 mi away | — | — |
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: 4.9★ from 86 Google reviews, listed on Google as “Insulation contractor”.
Based in San Jose, 24 mi away
Ranked #2 because of its Google rating and review volume: 4.7★ from 104 Google reviews, the most in Santa Cruz.
Based in Santa Cruz
Ranked #3 because of its Google rating and review volume: 5.0★ from 13 Google reviews.
Based in San Jose, 24 mi away
Ranked #4 because of its Google rating and trade focus: 4.6★ from 14 Google reviews, listed on Google as “Insulation contractor”.
Based in San Jose, 23 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Insulation contractor”.
Based in Canoga Park, 24 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Insulation contractor”.
Based in Watsonville, 10 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Insulation contractor”.
Based in Redwood Shores, 23 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Insulation contractor”.
Based in Saratoga, 21 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Insulation contractor”.
Based in Fremont, 23 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 16 Google reviews, listed on Google as “Insulation contractor”.
Based in San Jose, 19 mi away
Ranked #11 because of its Google rating and trade focus: 4.8★ from 9 Google reviews, listed on Google as “Insulation contractor”.
Based in San Jose, 24 mi away
Ranked #12 because of its Google rating and availability: 5.0★ from 7 Google reviews, open 24/7.
Based in Gilroy, 25 mi away
Ranked #13 because of its Google rating and review volume: 4.9★ from 53 Google reviews.
Based in San Jose, 20 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Roofing contractor”.
Based in Prunedale, 11 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Roofing contractor”.
Based in Half Moon Bay, 24 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “HVAC contractor”.
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 |
|---|---|---|
| Attic Crew | 21 mi | |
| Bay Area Rodent Solutions | 22 mi | |
| Bay Plastering | 3.0★ (2) | In Santa Cruz |
| Clean-Tec Cleaning | 5.0★ (23) | In Santa Cruz |
| Coast Building Products | In Santa Cruz | |
| Ed Oreb & Sons Construction | 5.0★ (3) | In Santa Cruz |
| Gr8 Attic Insulation San Jose | 19 mi | |
| HM Insulation Inc. | 17 mi | |
| Holm Drywall Inc. | 5.0★ (4) | In Santa Cruz |
| Rοdent Proofing & Attic Cleaning San Jοse | 23 mi | |
| Santa Cruz Construction Experts | 5.0★ (29) | In Santa Cruz |
| Santa Cruz Green Builders | 5.0★ (11) | In Santa Cruz |
| SF Bay Attic Cleaning | 5.0★ (1) | In Santa Cruz |
| Signature Home | 21 mi | |
| Silver Peak Construction Group Inc. | 5.0★ (2) | 24 mi |
| Spartan Attic Insulation Saratoga | 20 mi | |
| Super Green Attic Insulation | 23 mi | |
| Superb Attic Cleaning Morgan Hill | 5.0★ (1) | 24 mi |
| Triumph Insulation Solution San Jose | 22 mi | |
| Universal Insulation | 21 mi |
National price ranges in USD, not adjusted for Santa Cruz. 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 16 Santa Cruz 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 Santa Cruz 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 |