89/100CR Score
Ranked #1 because of its Google rating and availability: 4.9★ from 3,407 Google reviews, open 24/7.
- 4.9★ from 3,407 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2161 Del Franco St, San Jose, CA 95131
Best Insulation Contractors in Milpitas, CA (2026)
88 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Milpitas: Service Champions, CR Score 89/100; 4.9★ from 3,407 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): 911 Attic Insulation, posts 24/7 hours; ranked #2 of 88.
- 6
Most-reviewed: Service Champions, 4,721 Google reviews at 4.9★, the most of 88 ranked; ranked #6.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
88 Milpitas insulation contractors are ranked here by CR Score, from 8 published factors. 32 are open 24/7, 62 open Saturdays and 61 open Sundays, based on posted hours. The median Google rating is 5.0★ across 88 rated businesses.
Top 10 insulation contractors in Milpitas at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Service Champions | 89 | 4.9★ (3,407) | San Jose, 2 mi away | 24/7 | Overall |
| 2 | 911 Attic Insulation | 87 | 5.0★ (19) | Fremont, 2 mi away | 24/7 | Emergencies |
| 3 | Attic Pros | 86 | 4.7★ (104) | San Jose, 10 mi away | 24/7 | — |
| 4 | TRIO Heating, Air & Plumbing | 86 | 4.9★ (1,142) | San Jose, 5 mi away | 24/7 | — |
| 5 | Reactic Restoration | 85 | 5.0★ (11) | Fremont, 6 mi away | 24/7 | — |
| 6 | Service Champions | 85 | 4.9★ (4,721) | Livermore, 19 mi away | 24/7 | Most reviews |
| 7 | Los Gatos Top Insulation | 85 | 4.9★ (86) | Los Gatos, 15 mi away | 24/7 | — |
| 8 | Reactic Restoration | 84 | 5.0★ (16) | Palo Alto, 13 mi away | 24/7 | — |
| 9 | Pro Attic Restoration | 84 | 4.9★ (48) | Hayward, 20 mi away | 24/7 | — |
| 10 | Attic Elite | 84 | 4.9★ (474) | Newark, 10 mi away | Sun | — |
The 88 best insulation contractors in Milpitas, ranked
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.
Based in Fremont, 2 mi away
87/100CR ScoreRanked #2 because of its Google rating and availability: 5.0★ from 19 Google reviews, open 24/7.
- 5.0★ from 19 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
#3 Attic Pros
Based in San Jose, 10 mi away
86/100CR ScoreRanked #3 because of its Google rating and availability: 4.7★ from 104 Google reviews, open 24/7.
- 4.7★ from 104 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3071 Monterey Rd suit b, San Jose, CA 95111
Based in San Jose, 5 mi away
86/100CR ScoreRanked #4 because of its Google rating and availability: 4.9★ from 1,142 Google reviews, open 24/7.
- 4.9★ from 1,142 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1310 N 4th St, San Jose, CA 95112
Based in Fremont, 6 mi away
85/100CR ScoreRanked #5 because of its Google rating and availability: 5.0★ from 11 Google reviews, open 24/7.
- 5.0★ from 11 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 44240 Fremont Blvd Suite 16, Fremont, CA 94538
Based in Livermore, 19 mi away
85/100CR ScoreRanked #6 because of its Google rating and review volume: 4.9★ from 4,721 Google reviews, the most Google reviews on this list (4,721).
- 4.9★ from 4,721 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 207 Boeing Ct, Livermore, CA 94551
Based in Los Gatos, 15 mi away
85/100CR ScoreRanked #7 because of its Google rating and availability: 4.9★ from 86 Google reviews, open 24/7.
- 4.9★ from 86 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 15 Montebello Way, Los Gatos, CA 95030
Based in Palo Alto, 13 mi away
84/100CR ScoreRanked #8 because of its Google rating and availability: 5.0★ from 16 Google reviews, open 24/7.
- 5.0★ from 16 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 407 California Ave Unit 10, Palo Alto, CA 94306
Based in Hayward, 20 mi away
84/100CR ScoreRanked #9 because of its Google rating and availability: 4.9★ from 48 Google reviews, open 24/7.
- 4.9★ from 48 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1340 A St, Hayward, CA 94541
#10 Attic Elite
Based in Newark, 10 mi away
84/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.9★ from 474 Google reviews, listed on Google as “Insulation contractor”.
- 4.9★ from 474 Google reviews
- Hours
- Mon–Fri 8 AM–6 PM · Sat closed · Sun 8 AM–6 PM
- Address
- 37310 Cedar Blvd Suite H, Newark, CA 94560
Based in San Jose, 4 mi away
83/100CR ScoreRanked #11 because of its Google rating and availability: 4.8★ from 291 Google reviews, open 24/7.
- 4.8★ from 291 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 888 Faulstich Ct, San Jose, CA 95112
Based in Fremont, 5 mi away
83/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 23 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 23 Google reviews
- Hours
- Mon–Sat 8 AM–5 PM · Sun 9 AM–2 PM
- Address
- 3051 Quantum Dr #2411, Fremont, CA 94538
#13 Attic Star
Based in Redwood City, 17 mi away
83/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.9★ from 156 Google reviews, listed on Google as “Insulation contractor”.
- 4.9★ from 156 Google reviews
- Hours
- Mon–Thu 7 AM–7:30 PM · Fri 7 AM–6 PM · Sat–Sun 7 AM–7:30 PM
- Address
- 2847 Middlefield Rd, Redwood City, CA 94063
Based in Santa Clara, 4 mi away
83/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 14 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 14 Google reviews
- Hours
- Mon–Sun 9 AM–7 PM
- Address
- 3284 Edward Ave unit a, Santa Clara, CA 95054
Based in San Jose, 8 mi away
83/100CR ScoreRanked #15 because of its Google rating and availability: 4.6★ from 14 Google reviews, open 24/7.
- 4.6★ from 14 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1530 Southwest Expy Suite 221, San Jose, CA 95126
Based in Mountain View, 10 mi away
83/100CR ScoreRanked #16 because of its Google rating and trade focus: 5.0★ from 34 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 34 Google reviews
- Hours
- Mon–Sun 9 AM–9 PM
- Address
- 472 Castro St, Mountain View, CA 94041
Based in Livermore, 19 mi away
83/100CR ScoreRanked #17 because of its Google rating and availability: 4.9★ from 1,331 Google reviews, open 24/7.
- 4.9★ from 1,331 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 96 Rickenbacker Cir, Livermore, CA 94551
Based in Pleasanton, 19 mi away
83/100CR ScoreRanked #18 because of its Google rating and availability: 4.8★ from 2,337 Google reviews, open 24/7.
- 4.8★ from 2,337 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 7020 Commerce Dr, Pleasanton, CA 94588
Based in San Jose, 6 mi away
83/100CR ScoreRanked #19 because of its Google rating and availability: 4.9★ from 148 Google reviews, open 24/7.
- 4.9★ from 148 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 670 Coleman Ave, San Jose, CA 95110
#20 Everlast Attic
Based in San Jose, 9 mi away
83/100CR ScoreRanked #20 because of its Google rating and availability: 5.0★ from 7 Google reviews, open 24/7.
- 5.0★ from 7 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1567 Alta Glen Dr suit 2, San Jose, CA 95125
Based in Redwood Shores, 1 mi away
83/100CR ScoreRanked #21 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 7 AM–7:30 PM
Based in Fremont, 11 mi away
83/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 31 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 31 Google reviews
- Hours
- Mon–Sun 9 AM–9 PM
- Address
- 37364 Niles Blvd, Fremont, CA 94536
Based in Ashland, 5 mi away
82/100CR ScoreRanked #23 because of its Google rating and availability: 5.0★ from 148 Google reviews, open 24/7.
- 5.0★ from 148 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Canoga Park, 10 mi away
82/100CR ScoreRanked #24 because of its Google rating and availability: 5.0★ from 7 Google reviews, open 24/7.
- 5.0★ from 7 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Dublin, 23 mi away
82/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.9★ from 279 Google reviews, listed on Google as “Insulation contractor”.
- 4.9★ from 279 Google reviews
- Hours
- Mon–Sun 7 AM–9 PM
Insulation contractors ranked #26 to #50
#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 88 ranked insulation contractors here; the rest are on their profiles.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Trap Guard | 82 | 5.0★ (13) | 15 mi |
| 27 | Reactic Restoration | 82 | 5.0★ (52) | 4 mi |
| 28 | Attic Bros of San Jose | 82 | 4.6★ (7) | 5 mi |
| 29 | Atticare USA | 82 | 4.8★ (439) | 25 mi |
| 30 | Reactic Restoration | 82 | 5.0★ (12) | 21 mi |
| 31 | Eagle Insulation Inc. | 81 | 4.8★ (31) | In Milpitas |
| 32 | AttiCal Insulation and Rodents | 81 | 5.0★ (11) | 9 mi |
| 33 | EcoGuard Pest Management | 81 | 4.8★ (570) | 4 mi |
| 34 | Insulation Solutions | 81 | 5.0★ (11) | 23 mi |
| 35 | Eagle Air | 81 | 4.9★ (549) | 21 mi |
| 36 | Bay Valley Insulation Inc | 81 | 4.0★ (4) | 6 mi |
| 37 | Next Edge Insulation | 81 | 5.0★ (3) | 17 mi |
| 38 | Attic Solutions - Rodent Proofing & Insulation Services | 80 | 4.8★ (39) | 17 mi |
| 39 | Finest Heating & air | 80 | 4.9★ (87) | 12 mi |
| 40 | Atticguard Pro | 80 | 5.0★ (4) | 7 mi |
| 41 | Attic Bros, Inc. | 80 | 4.9★ (266) | 3 mi |
| 42 | Pestfree Attic Cleaners Saratoga | 80 | 5.0★ (8) | 12 mi |
| 43 | EM Energy & Air | 80 | 4.9★ (101) | 2 mi |
| 44 | Attic Team | 80 | 5.0★ (27) | 6 mi |
| 45 | American Attics | 80 | 5.0★ (89) | 16 mi |
| 46 | All State Insulation | 79 | 5.0★ (25) | 10 mi |
| 47 | AttiCali Insulation & Rodents Proofing | 79 | 4.9★ (8) | 5 mi |
| 48 | AttiCity | 78 | 5.0★ (67) | 6 mi |
| 49 | SJ Mold Removal | 78 | 5.0★ (7) | 8 mi |
| 50 | AJ Heating & Cooling Inc. | 78 | 5.0★ (32) | 15 mi |
Also serving Milpitas
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 411 Service | In Milpitas | |
| Attic Bros of Milpitas | 5.0★ (2) | In Milpitas |
| Attic Insulation Remove & Install | 1.0★ (1) | 2 mi |
| Attic Top Team | 5.0★ (1) | In Milpitas |
| Attic Total Cleaning & Proofing | 5.0★ (1) | 5 mi |
| Attic Wise Cleaning | 5.0★ (2) | 2 mi |
| Bear Insulation and Services | 5.0★ (2) | 4 mi |
| Canyon Insulation Inc | 5.0★ (2) | 21 mi |
| DevArt8 Builders | 5.0★ (101) | In Milpitas |
| Equinox Roofing Solutions | 5.0★ (1) | 3 mi |
| Insulation & Air Duct Crew | 5.0★ (2) | 19 mi |
| Milipitas Attic Insulation Today | In Milpitas | |
| My Steam Rug & Sofa Cleaning | 5.0★ (2) | 16 mi |
| Performance Contracting Inc | 1.0★ (2) | 22 mi |
| Prime Air Duct Cleaning | 5.0★ (2) | 22 mi |
| PRO ATTIC RESTORATION | 5.0★ (2) | 20 mi |
| Santa Clara A+ Insulation Service | 5.0★ (2) | 2 mi |
| Signature Home Insulation and Rodent Control | 5.0★ (1) | 2 mi |
| Silicon Valley Attic Cleaning | 5.0★ (1) | 2 mi |
| Silver Peak Construction Group Inc. | 5.0★ (2) | 8 mi |
How much do insulation contractors cost in Milpitas?
National price ranges in USD, not adjusted for Milpitas. 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 Milpitas insulation contractors
We scored 88 Milpitas 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 Milpitas 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 |
Insulation contractors in Milpitas: frequently asked questions
Who is the best insulation contractor in Milpitas?
By CR Score, the highest-ranked insulation contractor in Milpitas, CA is Service Champions with a CR Score of 89/100. It has 4.9★ from 3,407 Google reviews. It is open 24/7. 911 Attic Insulation (#2) and Attic Pros (#3) follow. We ranked 88 insulation contractors on 8 factors, last updated October 22, 2026.
How many insulation contractors are there in Milpitas?
ContractorsRanked ranks 88 insulation contractors serving Milpitas, CA. 1 of them is based in Milpitas; 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 Milpitas are open 24/7?
32 ranked insulation contractors in Milpitas post 24/7 hours. The highest-ranked are Service Champions (#1), 911 Attic Insulation (#2) and Attic Pros (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which insulation contractors in Milpitas work on weekends?
62 of 88 ranked insulation contractors post Saturday hours and 61 post Sunday hours. The highest-ranked open Saturdays are Service Champions (#1), 911 Attic Insulation (#2) and Attic Pros (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does attic insulation cost in Milpitas?
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 Milpitas. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Milpitas insulation contractors have?
The median Google rating among 88 rated insulation contractors in Milpitas is 5.0★, with a median of 24 reviews. Service Champions has the most, 4,721 reviews, and ranks #6. 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 8 published factors, led by reputation (35%), credentials (15%), review volume (10%) and recency (10%). Factors we cannot measure are left out, not scored as zero. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Do insulation contractors outside Milpitas count in this ranking?
Yes, if they are within 25 mi of the Milpitas 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 Milpitas
- October 2026: CR Scores recalculated for 88 insulation contractors serving Milpitas.
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Other trades in Milpitas
- Roofers in Milpitas686 ranked
- Plumbers in Milpitas570 ranked
- Electricians in Milpitas409 ranked
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- Painters in Milpitas193 ranked
- Landscapers in Milpitas210 ranked
- Handymen in Milpitas90 ranked
- Kitchen remodelers in Milpitas435 ranked
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- Flooring contractors in Milpitas244 ranked
- Tile installers in Milpitas69 ranked
- Drywall contractors in Milpitas30 ranked
- Concrete contractors in Milpitas235 ranked
- Fence contractors in Milpitas116 ranked
- Deck builders in Milpitas85 ranked
- Siding contractors in Milpitas86 ranked
- Window installers in Milpitas291 ranked
- Gutter installers in Milpitas159 ranked
- Solar installers in Milpitas277 ranked
- Garage door repair companies in Milpitas200 ranked
- Foundation repair companies in Milpitas105 ranked
- Tree services in Milpitas244 ranked
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- Home builders in Milpitas462 ranked
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