91/100CR 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 Costa Mesa, CA (2026)
185 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Costa Mesa: CURA Termite and Pest Control, CR Score 91/100; 4.9★ from 859 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): CURA Termite & Pest Control Laguna Niguel, posts 24/7 hours; ranked #2 of 185.
- 5
Most-reviewed: NexGen HVAC & Plumbing, 3,589 Google reviews at 4.8★, the most of 185 ranked; ranked #5.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
185 Costa Mesa insulation contractors are ranked here by CR Score, from 8 published factors. 19 are open 24/7, 145 open Saturdays and 122 open Sundays, based on posted hours. The median Google rating is 5.0★ across 185 rated businesses.
Top 10 insulation contractors in Costa Mesa at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | CURA Termite and Pest Control | 91 | 4.9★ (859) | Anaheim, 12 mi away | 24/7 | Overall |
| 2 | CURA Termite & Pest Control Laguna Niguel | 88 | 4.9★ (324) | Laguna Niguel, 15 mi away | 24/7 | Emergencies |
| 3 | Attic Projects | 87 | 4.9★ (584) | Orange, 11 mi away | Sat · Sun · Evenings | — |
| 4 | Rodent Free | 86 | 5.0★ (22) | Santa Ana, 8 mi away | 24/7 | — |
| 5 | NexGen HVAC & Plumbing | 86 | 4.8★ (3,589) | Laguna Hills, 11 mi away | 24/7 | Most reviews |
| 6 | Attic Masters Insulation Services | 85 | 5.0★ (15) | Anaheim, 8 mi away | 24/7 | — |
| 7 | Reduced Cost Insulation | 85 | 5.0★ (25) | Costa Mesa | Sat · Sun · Evenings | — |
| 8 | Attic Construction | 85 | 4.9★ (79) | Santa Ana, 7 mi away | Sat · Sun · Evenings | — |
| 9 | All City Animal Trapping | 85 | 4.9★ (732) | Carson, 21 mi away | Sat · Sun · Evenings | — |
| 10 | All-American Insulation Aliso Viejo | 84 | 5.0★ (34) | Aliso Viejo, 12 mi away | 24/7 | — |
The 185 best insulation contractors in Costa Mesa, 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 Laguna Niguel, 15 mi away
88/100CR ScoreRanked #2 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
Based in Orange, 11 mi away
87/100CR ScoreRanked #3 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
#4 Rodent Free
Based in Santa Ana, 8 mi away
86/100CR 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 Laguna Hills, 11 mi away
86/100CR ScoreRanked #5 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, 8 mi away
85/100CR ScoreRanked #6 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 Costa Mesa
85/100CR ScoreRanked #7 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 Santa Ana, 7 mi away
85/100CR ScoreRanked #8 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 Carson, 21 mi away
85/100CR ScoreRanked #9 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 Aliso Viejo, 12 mi away
84/100CR ScoreRanked #10 because of its Google rating and availability: 5.0★ from 34 Google reviews, open 24/7.
- 5.0★ from 34 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 6 Spring Harbor, Aliso Viejo, CA 92656
Based in Santa Ana, 6 mi away
84/100CR ScoreRanked #11 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 Newport Beach, 3 mi away
84/100CR ScoreRanked #12 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
- 20377 SW Acacia St, Newport Beach, CA 92660
Based in Costa Mesa
84/100CR ScoreRanked #13 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 7 AM–7 PM
- Address
- 3545 Harbor Gateway S, Costa Mesa, CA 92626
Based in Newport Beach, 4 mi away
84/100CR ScoreRanked #14 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
- 5160 Campus Dr, Newport Beach, CA 92660
Based in Irvine, 10 mi away
84/100CR ScoreRanked #15 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
#16 Insulation Labs
Based in Fullerton, 18 mi away
84/100CR ScoreRanked #16 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 Irvine, 6 mi away
83/100CR ScoreRanked #17 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
- 1821 Kettering St, Irvine, CA 92614
Based in Santa Ana, 8 mi away
83/100CR ScoreRanked #18 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, 11 mi away
83/100CR ScoreRanked #19 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 Rancho Santa Margarita, 18 mi away
83/100CR ScoreRanked #20 because of its Google rating and availability: 4.9★ from 1,005 Google reviews, open 24/7.
- 4.9★ from 1,005 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 29816 Avenida de las Banderas, Rancho Santa Margarita, CA 92688
Based in Santa Ana, 7 mi away
83/100CR ScoreRanked #21 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
- 1900 E Warner Ave, Santa Ana, CA 92705
Based in Anaheim, 17 mi away
83/100CR ScoreRanked #22 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 Irvine, 12 mi away
83/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 310 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 310 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat 8 AM–12 PM · Sun closed
- Address
- 8 McLaren suite Q, Irvine, CA 92618
Based in Artesia, 18 mi away
83/100CR ScoreRanked #24 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 Huntington Beach, 9 mi away
83/100CR ScoreRanked #25 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
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 185 ranked insulation contractors here; the rest are on their profiles.
Also serving Costa Mesa
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 |
|---|---|---|
| A 1 Handyman Service | In Costa Mesa | |
| Atlas Windows and Doors | 5.0★ (11) | In Costa Mesa |
| Attic Bros | In Costa Mesa | |
| Climate Craft | 5.0★ (13) | In Costa Mesa |
| Comfort Brothers HVAC | 5.0★ (33) | In Costa Mesa |
| Crank Waterproofing | 4.4★ (26) | In Costa Mesa |
| Equinox Roofing Solutions | 5.0★ (1) | In Costa Mesa |
| First Garage Door and Gate Repair Inc - Costa Mesa, CA | 4.9★ (615) | In Costa Mesa |
| GP Painting | 3.0★ (2) | In Costa Mesa |
| HERS Testing | In Costa Mesa | |
| Klondike Air Conditioning & Heating | 4.9★ (326) | In Costa Mesa |
| Master Roofing Inc. | 4.8★ (131) | In Costa Mesa |
| Nova Drywall Systems, Inc. | 5.0★ (1) | In Costa Mesa |
| OC's Epic Dad Construction | 4.9★ (27) | In Costa Mesa |
| Overhead Door Repairman | 4.8★ (17) | In Costa Mesa |
| Pristine Air Conditioning, Heating & Plumbing | 5.0★ (284) | In Costa Mesa |
| Pristine Vent Professional Crew | 5.0★ (13) | In Costa Mesa |
| Slater Builders | 5.0★ (2) | In Costa Mesa |
| Treeium Inc. | 2.3★ (3) | In Costa Mesa |
| Trident Windows and Doors, Inc. | 5.0★ (18) | In Costa Mesa |
How much do insulation contractors cost in Costa Mesa?
National price ranges in USD, not adjusted for Costa Mesa. 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 Costa Mesa insulation contractors
We scored 185 Costa Mesa 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 Costa Mesa 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 Costa Mesa: frequently asked questions
Who is the best insulation contractor in Costa Mesa?
By CR Score, the highest-ranked insulation contractor in Costa Mesa, CA is CURA Termite and Pest Control with a CR Score of 91/100. It has 4.9★ from 859 Google reviews. It is open 24/7. CURA Termite & Pest Control Laguna Niguel (#2) and Attic Projects (#3) follow. We ranked 185 insulation contractors on 8 factors, last updated October 22, 2026.
How many insulation contractors are there in Costa Mesa?
ContractorsRanked ranks 185 insulation contractors serving Costa Mesa, CA. 2 of them are based in Costa Mesa; 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 Costa Mesa are open 24/7?
19 ranked insulation contractors in Costa Mesa post 24/7 hours. The highest-ranked are CURA Termite and Pest Control (#1), CURA Termite & Pest Control Laguna Niguel (#2) and Rodent Free (#4). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which insulation contractors in Costa Mesa work on weekends?
145 of 185 ranked insulation contractors post Saturday hours and 122 post Sunday hours. The highest-ranked open Saturdays are CURA Termite and Pest Control (#1), CURA Termite & Pest Control Laguna Niguel (#2) and Attic Projects (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does attic insulation cost in Costa Mesa?
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 Costa Mesa. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Costa Mesa insulation contractors have?
The median Google rating among 185 rated insulation contractors in Costa Mesa is 5.0★, with a median of 17 reviews. NexGen HVAC & Plumbing has the most, 3,589 reviews, and ranks #5. 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 Costa Mesa count in this ranking?
Yes, if they are within 25 mi of the Costa Mesa 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 Costa Mesa
- October 2026: CR Scores recalculated for 185 insulation contractors serving Costa Mesa.
More insulation contractors and Costa Mesa pages
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Other trades in Costa Mesa
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- Window installers in Costa Mesa566 ranked
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- Garage door repair companies in Costa Mesa256 ranked
- Foundation repair companies in Costa Mesa178 ranked
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- Home builders in Costa Mesa612 ranked
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