93/100CR Score
Ranked #1 because of its Google rating and availability: 4.9★ from 859 Google reviews, open 24/7.
- 4.9★ from 859 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1571 S Sunkist St Suite H, Anaheim, CA 92806
Best Insulation Contractors in Garden Grove, CA (2026)
233 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Garden Grove: CURA Termite and Pest Control, CR Score 93/100; 4.9★ from 859 Google reviews; open 24/7.
- 3
Best for emergencies (open 24/7): CURA Termite & Pest Control Laguna Niguel, posts 24/7 hours; ranked #3 of 233.
- 10
Most-reviewed: NexGen HVAC & Plumbing, 3,589 Google reviews at 4.8★, the most of 233 ranked; ranked #10.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
233 Garden Grove insulation contractors are ranked here by CR Score, from 8 published factors. 30 are open 24/7, 179 open Saturdays and 155 open Sundays, based on posted hours. The median Google rating is 5.0★ across 233 rated businesses.
Top 10 insulation contractors in Garden Grove at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | CURA Termite and Pest Control | 93 | 4.9★ (859) | Anaheim, 4 mi away | 24/7 | Overall |
| 2 | Attic Projects | 89 | 4.9★ (584) | Orange, 4 mi away | Sat · Sun · Evenings | — |
| 3 | CURA Termite & Pest Control Laguna Niguel | 87 | 4.9★ (324) | Laguna Niguel, 22 mi away | 24/7 | Emergencies |
| 4 | Rodent Free | 87 | 5.0★ (22) | Santa Ana, 4 mi away | 24/7 | — |
| 5 | Insulation Labs | 86 | 5.0★ (135) | Fullerton, 9 mi away | Sat · Sun · Evenings | — |
| 6 | All City Animal Trapping | 86 | 4.9★ (732) | Carson, 17 mi away | Sat · Sun · Evenings | — |
| 7 | Attic Construction | 85 | 4.9★ (79) | Santa Ana, 6 mi away | Sat · Sun · Evenings | — |
| 8 | Attic Construction | 85 | 5.0★ (40) | Orange, 4 mi away | Sat · Sun · Evenings | — |
| 9 | Artesia A Insulation Pros | 85 | 4.8★ (51) | Artesia, 10 mi away | 24/7 | — |
| 10 | NexGen HVAC & Plumbing | 85 | 4.8★ (3,589) | Laguna Hills, 16 mi away | 24/7 | Most reviews |
The 233 best insulation contractors in Garden Grove, 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 Orange, 4 mi away
89/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.9★ from 584 Google reviews, listed on Google as “Insulation contractor”.
- 4.9★ from 584 Google reviews
- Hours
- Mon–Fri 7 AM–8 PM · Sat 8 AM–6 PM · Sun 7 AM–8 PM
- Address
- 1607 W Orange Grove Ave Suite A, Orange, CA 92868
Based in Laguna Niguel, 22 mi away
87/100CR ScoreRanked #3 because of its Google rating and availability: 4.9★ from 324 Google reviews, open 24/7.
- 4.9★ from 324 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2802 Cabot Rd Suite 300, Laguna Niguel, CA 92677
#4 Rodent Free
Based in Santa Ana, 4 mi away
87/100CR ScoreRanked #4 because of its Google rating and availability: 5.0★ from 22 Google reviews, open 24/7.
- 5.0★ from 22 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 600 W Santa Ana Blvd Ste 114a #240, Santa Ana, CA 92701
Based in Fullerton, 9 mi away
86/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 135 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 135 Google reviews
- Hours
- Mon–Fri 8 AM–6:30 PM · Sat–Sun 8 AM–4:30 PM
- Address
- 1038 E Bastanchury Rd #141, Fullerton, CA 92835
Based in Carson, 17 mi away
86/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.9★ from 732 Google reviews, listed on Google as “Insulation contractor”.
- 4.9★ from 732 Google reviews
- Hours
- Mon–Sun 7:30 AM–10 PM
- Address
- 1321 Alameda St, Wilmington, CA 90744
Based in Santa Ana, 6 mi away
85/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.9★ from 79 Google reviews, listed on Google as “Insulation contractor”.
- 4.9★ from 79 Google reviews
- Hours
- Mon–Fri 8 AM–7 PM · Sat 9 AM–4 PM · Sun 10 AM–5 PM
- Address
- 2103 S Standard Ave, Santa Ana, CA 92707
Based in Orange, 4 mi away
85/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ from 40 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 40 Google reviews
- Hours
- Mon–Fri 8 AM–7 PM · Sat–Sun 10 AM–4 PM
- Address
- 1940 W Orangewood Ave suite 110 #3A, Orange, CA 92868
Based in Artesia, 10 mi away
85/100CR ScoreRanked #9 because of its Google rating and availability: 4.8★ from 51 Google reviews, open 24/7.
- 4.8★ from 51 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 18173 Pioneer Blvd, Artesia, CA 90701
Based in Laguna Hills, 16 mi away
85/100CR ScoreRanked #10 because of its Google rating and review volume: 4.8★ from 3,589 Google reviews, the most Google reviews on this list (3,589).
- 4.8★ from 3,589 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 23221 Peralta Dr Ste C, Laguna Hills, CA 92653
Based in Anaheim, 10 mi away
84/100CR ScoreRanked #11 because of its Google rating and availability: 4.7★ from 2,250 Google reviews, open 24/7.
- 4.7★ from 2,250 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 5472 E La Palma Ave, Anaheim, CA 92807
Based in Santa Ana, 7 mi away
84/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 38 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 38 Google reviews
- Hours
- Mon–Sun 7 AM–7 PM
- Address
- 3014 S Halladay St #300, Santa Ana, CA 92707
Based in Anaheim, 13 mi away
84/100CR ScoreRanked #13 because of its Google rating and availability: 5.0★ from 15 Google reviews, open 24/7.
- 5.0★ from 15 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Fullerton, 7 mi away
84/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.9★ from 44 Google reviews, listed on Google as “Insulation contractor”.
- 4.9★ from 44 Google reviews
- Hours
- Mon–Fri 7 AM–8 PM · Sat 7 AM–7 PM · Sun 7 AM–8 PM
- Address
- 2461 Orangethorpe Ave #231, Fullerton, CA 92831
Based in Orange, 5 mi away
84/100CR ScoreRanked #15 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
- 1855 W Katella Ave, Orange, CA 92867
Based in Fullerton, 6 mi away
83/100CR ScoreRanked #16 because of its Google rating and trade focus: 5.0★ from 29 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 29 Google reviews
- Hours
- Mon–Sun 7 AM–8 PM
- Address
- 1303 W Valencia Dr #233, Fullerton, CA 92833
Based in Huntington Beach, 5 mi away
83/100CR ScoreRanked #17 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
- 15211 Springdale St, Huntington Beach, CA 92649
Based in Orange, 6 mi away
83/100CR ScoreRanked #18 because of its Google rating and trade focus: 5.0★ from 24 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 24 Google reviews
- Hours
- Mon–Sun 7 AM–7 PM
- Address
- 1650 N Glassell St, Orange, CA 92867
Based in Santa Ana, 6 mi away
83/100CR ScoreRanked #19 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
- 1361 S Lyon St, Santa Ana, CA 92705
Based in Orange, 5 mi away
83/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 21 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 21 Google reviews
- Hours
- Mon–Sun 7 AM–7 PM
- Address
- 1071 N Batavia St, Orange, CA 92867
Based in Placentia, 9 mi away
83/100CR ScoreRanked #21 because of its Google rating and trade focus: 5.0★ from 29 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 29 Google reviews
- Hours
- Mon–Sun 7 AM–7 PM
- Address
- 981 S Vía Rodeo, Placentia, CA 92870
Based in Anaheim, 8 mi away
83/100CR ScoreRanked #22 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
- 1030 N Grove St, Anaheim, CA 92806
Based in Costa Mesa, 8 mi away
83/100CR 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
- 3100 Airway Ave, Costa Mesa, CA 92626
Based in Irvine, 13 mi away
83/100CR 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
- Address
- 14962 Burt Rd, Irvine, CA 92618
Based in Anaheim, 8 mi away
83/100CR 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–Sun 7 AM–7 PM
- Address
- 1127 N Fountain Way, Anaheim, CA 92806
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 233 ranked insulation contractors here; the rest are on their profiles.
Also serving Garden Grove
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 |
|---|---|---|
| Bob Mezzo Plastering | 5.0★ (2) | 6 mi |
| Builders' Insulation | 5.0★ (2) | 23 mi |
| GP Painting | 3.0★ (2) | 11 mi |
| Image General Construction | 5.0★ (2) | 21 mi |
| Insulation Guru | In Garden Grove | |
| NDM Insulation | 5.0★ (2) | 4 mi |
| Performance Contracting Inc | 5.0★ (2) | 10 mi |
| Pure Eco Insulation | 5.0★ (2) | 12 mi |
| QUALITY FOAM | 5.0★ (2) | 22 mi |
| Quality Insulation Group | In Garden Grove | |
| RSF Construction Inc | 5.0★ (34) | In Garden Grove |
| Seaside Custom Construction | 5.0★ (2) | 13 mi |
| Smart Value Insulation | 5.0★ (2) | 21 mi |
| Socal Thermal Insulation / EXCELLENCE AWARD | 3.0★ (2) | 6 mi |
| South Gate Insulation Pros | 5.0★ (2) | 18 mi |
| Thermal Energy Products | 3.0★ (2) | 21 mi |
| Thermal Nest Insulation of Anaheim | 5.0★ (2) | 7 mi |
| U-STUCCO Green Building Materials | 5.0★ (2) | 10 mi |
| Vasitos Construction | 5.0★ (2) | 18 mi |
| Western Industrial Ceramics | 5.0★ (2) | 13 mi |
How much do insulation contractors cost in Garden Grove?
National price ranges in USD, not adjusted for Garden Grove. 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 Garden Grove insulation contractors
We scored 233 Garden Grove 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 Garden Grove 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 Garden Grove: frequently asked questions
Who is the best insulation contractor in Garden Grove?
By CR Score, the highest-ranked insulation contractor in Garden Grove, CA is CURA Termite and Pest Control with a CR Score of 93/100. It has 4.9★ from 859 Google reviews. It is open 24/7. Attic Projects (#2) and CURA Termite & Pest Control Laguna Niguel (#3) follow. We ranked 233 insulation contractors on 8 factors, last updated October 22, 2026.
How many insulation contractors are there in Garden Grove?
ContractorsRanked ranks 233 insulation contractors serving Garden Grove, CA. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.
Which insulation contractors in Garden Grove are open 24/7?
30 ranked insulation contractors in Garden Grove post 24/7 hours. The highest-ranked are CURA Termite and Pest Control (#1), CURA Termite & Pest Control Laguna Niguel (#3) and Rodent Free (#4). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which insulation contractors in Garden Grove work on weekends?
179 of 233 ranked insulation contractors post Saturday hours and 155 post Sunday hours. The highest-ranked open Saturdays are CURA Termite and Pest Control (#1), Attic Projects (#2) and CURA Termite & Pest Control Laguna Niguel (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does attic insulation cost in Garden Grove?
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 Garden Grove. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Garden Grove insulation contractors have?
The median Google rating among 233 rated insulation contractors in Garden Grove is 5.0★, with a median of 16 reviews. NexGen HVAC & Plumbing has the most, 3,589 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 Garden Grove count in this ranking?
Yes, if they are within 25 mi of the Garden Grove 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 Garden Grove
- October 2026: CR Scores recalculated for 233 insulation contractors serving Garden Grove.
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