88/100CR Score
Ranked #1 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
Best Insulation Contractors in Saratoga, CA (2026)
68 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Saratoga: Los Gatos Top Insulation, CR Score 88/100; 4.9★ from 86 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Attic Pros, posts 24/7 hours; ranked #2 of 68.
- 3
Most-reviewed: Service Champions, 3,407 Google reviews at 4.9★, the most of 68 ranked; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
68 Saratoga insulation contractors are ranked here by CR Score, from 8 published factors. 25 are open 24/7, 46 open Saturdays and 45 open Sundays, based on posted hours. The median Google rating is 5.0★ across 68 rated businesses.
Top 10 insulation contractors in Saratoga at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Los Gatos Top Insulation | 88 | 4.9★ (86) | Los Gatos, 4 mi away | 24/7 | Overall |
| 2 | Attic Pros | 87 | 4.7★ (104) | San Jose, 10 mi away | 24/7 | Emergencies |
| 3 | Service Champions | 87 | 4.9★ (3,407) | San Jose, 11 mi away | 24/7 | Most reviews |
| 4 | TRIO Heating, Air & Plumbing | 85 | 4.9★ (1,142) | San Jose, 9 mi away | 24/7 | — |
| 5 | 911 Attic Insulation | 85 | 5.0★ (19) | Fremont, 12 mi away | 24/7 | — |
| 6 | Reactic Restoration | 84 | 5.0★ (16) | Palo Alto, 13 mi away | 24/7 | — |
| 7 | Attic City San Jose | 84 | 4.6★ (14) | San Jose, 7 mi away | 24/7 | — |
| 8 | Everlast Attic | 83 | 5.0★ (7) | San Jose, 7 mi away | 24/7 | — |
| 9 | Delta Spray Foam Insulation | 83 | 5.0★ (34) | Mountain View, 9 mi away | Sat · Sun · Evenings | — |
| 10 | Pestfree Attic Cleaners Saratoga | 83 | 5.0★ (8) | Saratoga | Sat · Sun | — |
The 68 best insulation contractors in Saratoga, 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.
#2 Attic Pros
Based in San Jose, 10 mi away
87/100CR ScoreRanked #2 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, 11 mi away
87/100CR ScoreRanked #3 because of its Google rating and review volume: 4.9★ from 3,407 Google reviews, the most Google reviews on this list (3,407).
- 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
Based in San Jose, 9 mi away
85/100CR 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, 12 mi away
85/100CR ScoreRanked #5 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
Based in Palo Alto, 13 mi away
84/100CR ScoreRanked #6 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 San Jose, 7 mi away
84/100CR ScoreRanked #7 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 San Jose, 7 mi away
83/100CR ScoreRanked #8 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 Mountain View, 9 mi away
83/100CR ScoreRanked #9 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 Saratoga
83/100CR ScoreRanked #10 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 8 Google reviews
- Hours
- Mon–Sun 8 AM–6 PM
- Address
- 12900 Saratoga Ave #B5, Saratoga, CA 95070
#11 Attic Star
Based in Redwood City, 18 mi away
83/100CR ScoreRanked #11 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 Canoga Park, 9 mi away
83/100CR ScoreRanked #12 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
#13 Trap Guard
Based in Redwood Shores, 13 mi away
83/100CR ScoreRanked #13 because of its Google rating and availability: 5.0★ from 13 Google reviews, open 24/7.
- 5.0★ from 13 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Redwood Shores, 4 mi away
83/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 11 Google reviews
- Hours
- Mon–Sun 7 AM–7:30 PM
Based in Fremont, 17 mi away
83/100CR ScoreRanked #15 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 San Jose, 8 mi away
82/100CR ScoreRanked #16 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
Based in San Jose, 10 mi away
82/100CR ScoreRanked #17 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 Santa Clara, 9 mi away
82/100CR ScoreRanked #18 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 Carlos, 22 mi away
82/100CR ScoreRanked #19 because of its Google rating and availability: 5.0★ from 12 Google reviews, open 24/7.
- 5.0★ from 12 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 110 Glenn Way Suite #13, San Carlos, CA 94070
#20 Attic Elite
Based in Newark, 19 mi away
81/100CR ScoreRanked #20 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 Ashland, 10 mi away
81/100CR ScoreRanked #21 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 San Jose, 10 mi away
81/100CR ScoreRanked #22 because of its Google rating and availability: 5.0★ from 52 Google reviews, open 24/7.
- 5.0★ from 52 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1721 Rogers Ave E, San Jose, CA 95112
Based in San Jose, 10 mi away
81/100CR ScoreRanked #23 because of its Google rating and availability: 4.6★ from 7 Google reviews, open 24/7.
- 4.6★ from 7 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 763 Mabury Rd # 30, San Jose, CA 95133
Based in San Mateo, 25 mi away
81/100CR ScoreRanked #24 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
- 1900 S Norfolk St, San Mateo, CA 94403
Based in Fremont, 17 mi away
81/100CR ScoreRanked #25 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
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 68 ranked insulation contractors here; the rest are on their profiles.
Also serving Saratoga
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 |
|---|---|---|
| Alliance Insulation | 5.0★ (1) | 12 mi |
| Attic Bros of Milpitas | 5.0★ (2) | 13 mi |
| Attic Insulation Remove & Install | 1.0★ (1) | 15 mi |
| Attic Total Cleaning & Proofing | 5.0★ (1) | 18 mi |
| Attic Wise Cleaning | 5.0★ (2) | 15 mi |
| Atticali of Sunnyvale | 5.0★ (1) | 6 mi |
| Bay Plastering | 3.0★ (2) | 20 mi |
| Bear Insulation and Services | 5.0★ (2) | 12 mi |
| Certified Pro Restorations, INC | 5.0★ (1) | 14 mi |
| Equinox Roofing Solutions | 5.0★ (1) | 11 mi |
| Jake's Roofing & Coatings | 5.0★ (1) | 12 mi |
| My Steam Rug & Sofa Cleaning | 5.0★ (2) | 15 mi |
| Premium Shield | 5.0★ (1) | 21 mi |
| San Mateo Attic Insulation Now | 5.0★ (1) | 15 mi |
| Santa Clara A+ Insulation Service | 5.0★ (2) | 12 mi |
| Signature Home Insulation and Rodent Control | 5.0★ (1) | 15 mi |
| Silicon Thermal | 4.0★ (1) | 10 mi |
| Silicon Valley Attic Cleaning | 5.0★ (1) | 15 mi |
| Silver Peak Construction Group Inc. | 5.0★ (2) | 6 mi |
| Temp Control-HVAC | Best Hvac Services in san jose | 5.0★ (1) | 12 mi |
How much do insulation contractors cost in Saratoga?
National price ranges in USD, not adjusted for Saratoga. 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 Saratoga insulation contractors
We scored 68 Saratoga 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 Saratoga 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 Saratoga: frequently asked questions
Who is the best insulation contractor in Saratoga?
By CR Score, the highest-ranked insulation contractor in Saratoga, CA is Los Gatos Top Insulation with a CR Score of 88/100. It has 4.9★ from 86 Google reviews. It is open 24/7. Attic Pros (#2) and Service Champions (#3) follow. We ranked 68 insulation contractors on 8 factors, last updated October 22, 2026.
How many insulation contractors are there in Saratoga?
ContractorsRanked ranks 68 insulation contractors serving Saratoga, CA. 1 of them is based in Saratoga; 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 Saratoga are open 24/7?
25 ranked insulation contractors in Saratoga post 24/7 hours. The highest-ranked are Los Gatos Top Insulation (#1), Attic Pros (#2) and Service Champions (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which insulation contractors in Saratoga work on weekends?
46 of 68 ranked insulation contractors post Saturday hours and 45 post Sunday hours. The highest-ranked open Saturdays are Los Gatos Top Insulation (#1), Attic Pros (#2) and Service Champions (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does attic insulation cost in Saratoga?
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 Saratoga. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Saratoga insulation contractors have?
The median Google rating among 68 rated insulation contractors in Saratoga is 5.0★, with a median of 16 reviews. Service Champions has the most, 3,407 reviews, and ranks #3. 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 Saratoga count in this ranking?
Yes, if they are within 25 mi of the Saratoga 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 Saratoga
- October 2026: CR Scores recalculated for 68 insulation contractors serving Saratoga.
More insulation contractors and Saratoga pages
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