89/100CR Score
Ranked #1 because of its Google rating and availability: 4.7★ from 133 Google reviews, open 24/7.
- 4.7★ from 133 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 9820 Owensmouth Ave Unit 1, Chatsworth, CA 91311
Best Insulation Contractors in Northridge, CA (2026)
184 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Northridge: Green Rodent Restoration, CR Score 89/100; 4.7★ from 133 Google reviews; open 24/7.
- 3
Best for emergencies (open 24/7): Install | Insulation, posts 24/7 hours; ranked #3 of 184.
- 10
Most-reviewed: HomeShield Pest Control, 2,945 Google reviews at 5.0★, the most of 184 ranked; ranked #10.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
184 Northridge insulation contractors are ranked here by CR Score, from 8 published factors. 40 are open 24/7, 130 open Saturdays and 118 open Sundays, based on posted hours. The median Google rating is 5.0★ across 184 rated businesses.
Top 10 insulation contractors in Northridge at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Green Rodent Restoration | 89 | 4.7★ (133) | Chatsworth, 4 mi away | 24/7 | Overall |
| 2 | Insulation Labs | 89 | 4.9★ (413) | Van Nuys, 4 mi away | Sat · Sun · Evenings | — |
| 3 | Install | Insulation | 88 | 5.0★ (27) | Canoga Park, 4 mi away | 24/7 | Emergencies |
| 4 | E&E Attic Insulation Installation | 88 | 4.9★ (30) | Calabasas, 4 mi away | 24/7 | — |
| 5 | Attic Masters Insulation Services | 87 | 4.8★ (48) | Sherman Oaks, 6 mi away | 24/7 | — |
| 6 | ZeroVap | 87 | 5.0★ (27) | Van Nuys, 6 mi away | 24/7 | — |
| 7 | EcoGuard Pest Management | 87 | 4.9★ (335) | Canoga Park, 9 mi away | Sat · Sun · Evenings | — |
| 8 | Pure Eco Inc. | 87 | 5.0★ (16) | Calabasas, 4 mi away | 24/7 | — |
| 9 | EcoShield Pest Control North Los Angeles | 87 | 4.8★ (1,917) | Canoga Park, 4 mi away | Sat | — |
| 10 | HomeShield Pest Control | 86 | 5.0★ (2,945) | Los Angeles, 16 mi away | Sat · Evenings | Most reviews |
The 184 best insulation contractors in Northridge, 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 Van Nuys, 4 mi away
89/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.9★ from 413 Google reviews, listed on Google as “Insulation contractor”.
- 4.9★ from 413 Google reviews
- Hours
- Mon–Fri 8 AM–6:30 PM · Sat–Sun 8 AM–4:30 PM
- Address
- 7023 Valjean Ave, Van Nuys, CA 91406
Based in Canoga Park, 4 mi away
88/100CR ScoreRanked #3 because of its Google rating and availability: 5.0★ from 27 Google reviews, open 24/7.
- 5.0★ from 27 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 7005 Jordan Ave # 116, Canoga Park, CA 91303
Based in Calabasas, 4 mi away
88/100CR ScoreRanked #4 because of its Google rating and availability: 4.9★ from 30 Google reviews, open 24/7.
- 4.9★ from 30 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 18375 Ventura Blvd Suite 1027, Tarzana, CA 91356
Based in Sherman Oaks, 6 mi away
87/100CR ScoreRanked #5 because of its Google rating and availability: 4.8★ from 48 Google reviews, open 24/7.
- 4.8★ from 48 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 15207 Hesby St, Sherman Oaks, CA 91403
#6 ZeroVap
Based in Van Nuys, 6 mi away
87/100CR ScoreRanked #6 because of its Google rating and availability: 5.0★ from 27 Google reviews, open 24/7.
- 5.0★ from 27 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 15207 Hesby St, Van Nuys, CA 91403
Based in Canoga Park, 9 mi away
87/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.9★ from 335 Google reviews, listed on Google as “Insulation contractor”.
- 4.9★ from 335 Google reviews
- Hours
- Mon–Sun 8 AM–9 PM
Based in Calabasas, 4 mi away
87/100CR 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
- 18340 Ventura Blvd #208, Tarzana, CA 91356
Based in Canoga Park, 4 mi away
87/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.8★ from 1,917 Google reviews, listed on Google as “Insulation contractor”.
- 4.8★ from 1,917 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat 9 AM–1 PM · Sun closed
- Address
- 9037 Owensmouth Ave, Canoga Park, CA 91304
Based in Los Angeles, 16 mi away
86/100CR ScoreRanked #10 because of its Google rating and review volume: 5.0★ from 2,945 Google reviews, the most Google reviews on this list (2,945).
- 5.0★ from 2,945 Google reviews
- Hours
- Mon–Fri 7 AM–7 PM · Sat 8 AM–5 PM · Sun closed
- Address
- 6108 Venice Blvd., Los Angeles, CA 90034
Based in Woodland Hills, 5 mi away
86/100CR ScoreRanked #11 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
- 21650 Oxnard St #1910, Woodland Hills, CA 91367
Based in Castaic, 19 mi away
85/100CR ScoreRanked #12 because of its Google rating and availability: 4.9★ from 78 Google reviews, open 24/7.
- 4.9★ from 78 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Canoga Park, 3 mi away
85/100CR ScoreRanked #13 because of its Google rating and availability: 4.4★ from 9 Google reviews, open 24/7.
- 4.4★ from 9 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 7806 Loma Verde Ave, Canoga Park, CA 91304
Based in Los Angeles, 13 mi away
85/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 136 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 136 Google reviews
- Hours
- Mon–Thu 8 AM–6 PM · Fri–Sat 8 AM–7 PM · Sun 8 AM–4 PM
- Address
- 10940 Wilshire Blvd, Los Angeles, CA 90024
Based in Canoga Park, 4 mi away
85/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.9★ from 43 Google reviews, listed on Google as “Insulation contractor”.
- 4.9★ from 43 Google reviews
- Hours
- Mon–Sun 7 AM–8 PM
- Address
- 21301 Saticoy St #107, Canoga Park, CA 91304
Based in Canoga Park, 4 mi away
85/100CR ScoreRanked #16 because of its Google rating and availability: 5.0★ from 4 Google reviews, open 24/7.
- 5.0★ from 4 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 21501 Roscoe Blvd apt 118, Canoga Park, CA 91304
Based in North Hollywood, 8 mi away
85/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.9★ from 63 Google reviews, listed on Google as “Insulation contractor”.
- 4.9★ from 63 Google reviews
- Hours
- Mon–Sun 7 AM–7 PM
- Address
- 6238 Alcove Ave, North Hollywood, CA 91606
Based in Beverly Hills, 14 mi away
84/100CR ScoreRanked #18 because of its Google rating and availability: 4.8★ from 61 Google reviews, open 24/7.
- 4.8★ from 61 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 100 N Crescent Dr, Beverly Hills, CA 90210
Based in Chatsworth, 3 mi away
84/100CR ScoreRanked #19 because of its Google rating and review volume: 4.9★ from 1,050 Google reviews, 1,050 Google reviews.
- 4.9★ from 1,050 Google reviews
- Hours
- Mon–Fri 7:30 AM–8 PM · Sat–Sun 8 AM–4 PM
- Address
- 9601 Cozycroft Ave Unit 1, Chatsworth, CA 91311
#20 Express Service
Based in Beverly Hills, 16 mi away
84/100CR ScoreRanked #20 because of its Google rating and availability: 4.8★ from 64 Google reviews, open 24/7.
- 4.8★ from 64 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Northridge
84/100CR ScoreRanked #21 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 PM
- Address
- 8600 Wilbur Ave, Northridge, CA 91324
Based in Northridge
84/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.9★ from 85 Google reviews, listed on Google as “Insulation contractor”.
- 4.9★ from 85 Google reviews
- Hours
- Mon–Fri 8 AM–8 PM · Sat 8 AM–5 PM · Sun closed
- Address
- 8358 Wilbur Ave, Northridge, CA 91324
Based in North Hills, 7 mi away
84/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 25 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 25 Google reviews
- Hours
- Mon–Sun 7 AM–7 PM
- Address
- 15823 Monte St, Sylmar, CA 91342
Based in Camarillo, 23 mi away
83/100CR ScoreRanked #24 because of its Google rating and availability: 4.9★ from 2,368 Google reviews, open 24/7.
- 4.9★ from 2,368 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2550 Azurite Cir, Newbury Park, CA 91320
Based in Chatsworth, 4 mi away
83/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 15 Google reviews
- Hours
- Mon–Sun 7 AM–7 PM
- Address
- 9725 Owensmouth Ave, Chatsworth, CA 91311
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 184 ranked insulation contractors here; the rest are on their profiles.
Also serving Northridge
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 |
|---|---|---|
| AAA Roofing and Insulation Services | 5.0★ (2) | 16 mi |
| Air-Seal Sprayfoam | 5.0★ (2) | 18 mi |
| Brilliants Insulation Contractor | 5.0★ (2) | 13 mi |
| Building Doctors | In Northridge | |
| Control | 5.0★ (2) | 5 mi |
| Go Green Construction | 1.0★ (1) | In Northridge |
| Green Rodent Restoration | 5.0★ (2) | 17 mi |
| insulation expert services | 5.0★ (2) | 3 mi |
| Leos Insulation | 5.0★ (2) | 9 mi |
| Master Insulation & AC | 5.0★ (2) | 16 mi |
| Multipoint Development | 5.0★ (4) | In Northridge |
| Next Level Insulation of Santa Clarita | 5.0★ (2) | 14 mi |
| Premier Insulation Inc. | 5.0★ (2) | 5 mi |
| Progressive Santa Clarita - Insulation Contractor Free Quote | 5.0★ (2) | 11 mi |
| Smart Budget Insulation of Burbank | 3.0★ (2) | 14 mi |
| Smart Budget Insulation of Santa Clarita | 5.0★ (2) | 14 mi |
| SuperGreen Insulation | 3.0★ (2) | In Northridge |
| Tarzana Insulation Pros | 5.0★ (2) | 6 mi |
| The Insulation Experts | 5.0★ (2) | 15 mi |
| Titan Insulation - Pasadena | 5.0★ (2) | 24 mi |
How much do insulation contractors cost in Northridge?
National price ranges in USD, not adjusted for Northridge. 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 Northridge insulation contractors
We scored 184 Northridge 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 Northridge 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 Northridge: frequently asked questions
Who is the best insulation contractor in Northridge?
By CR Score, the highest-ranked insulation contractor in Northridge, CA is Green Rodent Restoration with a CR Score of 89/100. It has 4.7★ from 133 Google reviews. It is open 24/7. Insulation Labs (#2) and Install | Insulation (#3) follow. We ranked 184 insulation contractors on 8 factors, last updated October 22, 2026.
How many insulation contractors are there in Northridge?
ContractorsRanked ranks 184 insulation contractors serving Northridge, CA. 2 of them are based in Northridge; 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 Northridge are open 24/7?
40 ranked insulation contractors in Northridge post 24/7 hours. The highest-ranked are Green Rodent Restoration (#1), Install | Insulation (#3) and E&E Attic Insulation Installation (#4). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which insulation contractors in Northridge work on weekends?
130 of 184 ranked insulation contractors post Saturday hours and 118 post Sunday hours. The highest-ranked open Saturdays are Green Rodent Restoration (#1), Insulation Labs (#2) and Install | Insulation (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does attic insulation cost in Northridge?
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 Northridge. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Northridge insulation contractors have?
The median Google rating among 184 rated insulation contractors in Northridge is 5.0★, with a median of 19 reviews. HomeShield Pest Control has the most, 2,945 reviews, and ranks #10. 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 Northridge count in this ranking?
Yes, if they are within 25 mi of the Northridge 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 Northridge
- October 2026: CR Scores recalculated for 184 insulation contractors serving Northridge.
More insulation contractors and Northridge pages
Insulation contractors near Northridge
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- Landscapers in Northridge241 ranked
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- Flooring contractors in Northridge438 ranked
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- All contractors in Northridge