12 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Prunedale: Ponzini Insulation Inc, CR Score 58/100; 4.6★ from 12 Google reviews.
Best for emergencies (open 24/7): Reactic Restoration, posts 24/7 hours; ranked #8 of 12.
Most-reviewed: Garlic City Handyman Services, 53 Google reviews at 4.9★, the most of 12 ranked; ranked #7.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
12 Prunedale insulation contractors are ranked here by CR Score, from ten published factors. 2 are open 24/7, 3 open Saturdays and 2 open Sundays, based on posted hours. The median Google rating is 5.0★ across 12 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Ponzini Insulation Inc | 58 | 4.6★ (12) | Prunedale | — | Overall |
| 2 | Nor-Cal Insulation Inc. | 57 | 5.0★ (22) | Hollister, 16 mi away | — | — |
| 3 | HM Insulation Inc. | 56 | 5.0★ (22) | Aptos, 20 mi away | — | — |
| 4 | Sanden Insulation | 55 | 5.0★ (13) | Watsonville, 16 mi away | — | — |
| 5 | Coast Building Products: | 55 | 4.6★ (7) | Gilroy, 18 mi away | — | — |
| 6 | JC Insulation & Acustical Inc | 53 | 5.0★ (3) | Prunedale | Sat | — |
| 7 | Garlic City Handyman Services | 52 | 4.9★ (53) | Gilroy, 17 mi away | — | Most reviews |
| 8 | Reactic Restoration | 52 | 5.0★ (13) | Santa Cruz, 24 mi away | 24/7 | Emergencies |
| 9 | Ed's Tile & Shingle Roof Cleaning | 51 | 5.0★ (6) | Prunedale | — | — |
| 10 | Davi Plastering Inc | 50 | 3.7★ (3) | Monterey, 18 mi away | — | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and trade focus: 4.6★ from 12 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hollister, 16 mi away
Ranked #2 because of its Google rating and trade focus: 5.0★ from 22 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Aptos, 20 mi away
Ranked #3 because of its Google rating and trade focus: 5.0★ from 22 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Watsonville, 16 mi away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Gilroy, 18 mi away
Ranked #5 because of its Google rating and trade focus: 4.6★ from 7 Google reviews, listed on Google as “Insulation contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Prunedale
Ranked #6 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Gilroy, 17 mi away
Ranked #7 because of its Google rating and review volume: 4.9★ from 53 Google reviews, the most in Prunedale.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Santa Cruz, 24 mi away
Ranked #8 because of its Google rating and review volume: 5.0★ from 13 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Prunedale
Ranked #9 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Roofing contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Monterey, 18 mi away
Ranked #10 because of its Google rating and trade focus: 3.7★ from 3 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Gilroy, 16 mi away
Ranked #11 because of its Google rating and trade focus: 4.4★ from 7 Google reviews, listed on Google as “Roofing contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hollister, 20 mi away
Ranked #12 because of its Google rating and availability: 5.0★ from 3 Google reviews, open 24/7.
Based on 8 of 10 factors; credentials and recency not yet collected.
13 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 |
|---|---|---|
| ALCAL Specialty Contracting Gilroy - Home Service Division | 16 mi | |
| Coast Building Products | 24 mi | |
| Cruz Home Constructions | 4.9★ (33) | In Prunedale |
| Godinez insulation inc | 5.0★ (1) | 5 mi |
| Golden Duct Cleaning Service | 7 mi | |
| Golden West Insulation Co | 8 mi | |
| Goodman General Construction Inc | In Prunedale | |
| Performance Foam Tech | 9 mi | |
| Santa Cruz Insulation | In Prunedale | |
| Segundo Construction & More Inc | 5.0★ (31) | In Prunedale |
| South Bay Spray Foam | 18 mi | |
| Stellar Attic Inc. | 5.0★ (1) | 16 mi |
| Top Line Stucco Salinas | 5.0★ (10) | In Prunedale |
National price ranges in USD, not adjusted for Prunedale. 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 12 Prunedale 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 Prunedale 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 |