144 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Portola Hills: CURA Termite & Pest Control Laguna Niguel, CR Score 62/100; 4.9★ from 324 Google reviews; open 24/7.
Best for emergencies (open 24/7): CURA Termite and Pest Control, posts 24/7 hours; ranked #2 of 144.
Most-reviewed: RighTime Home Services, 3,741 Google reviews at 4.7★, the most of 144 ranked; ranked #10.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
144 Portola Hills insulation contractors are ranked here by CR Score, from ten published factors. 21 are open 24/7, 117 open Saturdays and 96 open Sundays, based on posted hours. The median Google rating is 5.0★ across 144 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | CURA Termite & Pest Control Laguna Niguel | 62 | 4.9★ (324) | Laguna Niguel, 9 mi away | 24/7 | Overall |
| 2 | CURA Termite and Pest Control | 62 | 4.9★ (859) | Anaheim, 17 mi away | 24/7 | Emergencies |
| 3 | Admiral Pest Control | 60 | 5.0★ (310) | Irvine, 6 mi away | Sat | — |
| 4 | Attic Projects | 60 | 4.9★ (584) | Orange, 16 mi away | Sat · Sun · Evenings | — |
| 5 | NexGen HVAC & Plumbing | 60 | 4.7★ (1,769) | Riverside, 25 mi away | 24/7 | — |
| 6 | NexGen HVAC & Plumbing | 60 | 4.8★ (3,589) | Laguna Hills, 7 mi away | 24/7 | — |
| 7 | Gopher Patrol | 59 | 4.9★ (182) | Riverside, 17 mi away | 24/7 | — |
| 8 | SoCal Airflow Pros | 59 | 4.9★ (1,005) | Rancho Santa Margarita, 4 mi away | 24/7 | — |
| 9 | All-American Insulation Aliso Viejo | 58 | 5.0★ (34) | Aliso Viejo, 10 mi away | 24/7 | — |
| 10 | RighTime Home Services | 58 | 4.7★ (3,741) | Corona, 12 mi away | 24/7 | Most reviews |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Ranked #1 in Portola Hills
Based in Laguna Niguel, 9 mi away
Ranked #1 because of its Google rating and trade focus: 4.9★ from 324 Google reviews, listed on Google as “Insulation contractor”.
Based in Anaheim, 17 mi away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 859 Google reviews, listed on Google as “Insulation contractor”.
Based in Irvine, 6 mi away
Ranked #3 because of its Google rating and trade focus: 5.0★ from 310 Google reviews, listed on Google as “Insulation contractor”.
Based in Orange, 16 mi away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 584 Google reviews, listed on Google as “Insulation contractor”.
Based in Riverside, 25 mi away
Ranked #5 because of its Google rating and trade focus: 4.7★ from 1,769 Google reviews, listed on Google as “Insulation contractor”.
Based in Laguna Hills, 7 mi away
Ranked #6 because of its Google rating and review volume: 4.8★ from 3,589 Google reviews.
Based in Riverside, 17 mi away
Ranked #7 because of its Google rating and trade focus: 4.9★ from 182 Google reviews, listed on Google as “Insulation contractor”.
Based in Rancho Santa Margarita, 4 mi away
Ranked #8 because of its Google rating and review volume: 4.9★ from 1,005 Google reviews.
Based in Aliso Viejo, 10 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 34 Google reviews, listed on Google as “Insulation contractor”.
Based in Corona, 12 mi away
Ranked #10 because of its Google rating and review volume: 4.7★ from 3,741 Google reviews, the most in Portola Hills.
Based in Irvine, 6 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 25 Google reviews, listed on Google as “Insulation contractor”.
Based in Anaheim, 9 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Insulation contractor”.
Based in Lake Forest, 2 mi away
Ranked #13 because of its Google rating and review volume: 5.0★ from 189 Google reviews.
Based in Riverside, 17 mi away
Ranked #14 because of its Google rating and trade focus: 4.9★ from 155 Google reviews, listed on Google as “Insulation contractor”.
Based in Lake Forest, 6 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 23 Google reviews, listed on Google as “Insulation contractor”.
Based in Irvine, 7 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 25 Google reviews, listed on Google as “Insulation contractor”.
Based in Santa Ana, 13 mi away
Ranked #17 because of its Google rating and trade focus: 4.9★ from 79 Google reviews, listed on Google as “Insulation contractor”.
Based in Irvine, 7 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Insulation contractor”.
Based in Santa Ana, 15 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 22 Google reviews, listed on Google as “Insulation contractor”.
Based in Fullerton, 22 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 135 Google reviews, listed on Google as “Insulation contractor”.
Based in Santa Ana, 13 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 38 Google reviews, listed on Google as “Insulation contractor”.
Based in Aliso Viejo, 8 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 18 Google reviews, listed on Google as “Insulation contractor”.
Based in Anaheim, 16 mi away
Ranked #23 because of its Google rating and review volume: 4.7★ from 2,250 Google reviews.
Based in Laguna Beach, 11 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 25 Google reviews, listed on Google as “Insulation contractor”.
Based in Riverside, 19 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 203 Google reviews, listed on Google as “Insulation contractor”.
#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 144 ranked insulation contractors here; the rest are on their profiles.
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 |
|---|---|---|
| Advanced Thermal Products Inc | 5.0★ (1) | 13 mi |
| All Seasons Insulation | 5.0★ (1) | 12 mi |
| Apt Painting Inc | 5.0★ (1) | 13 mi |
| Bob Mezzo Plastering | 5.0★ (2) | 21 mi |
| Builders' Insulation | 5.0★ (2) | 14 mi |
| California Insulation Inc. | 5.0★ (1) | 7 mi |
| Canyon Insulation Inc | 5.0★ (2) | 15 mi |
| Fireproofing Cleaning Service | 4.5★ (2) | 23 mi |
| GP Painting | 3.0★ (2) | 12 mi |
| Insulation for Home and Commercial | 5.0★ (1) | 8 mi |
| NDM Insulation | 5.0★ (2) | 23 mi |
| Pamaco corona insulation | 5.0★ (1) | 12 mi |
| Performance Contracting Inc | 5.0★ (2) | 16 mi |
| Relyont Builder Services | 5.0★ (1) | 12 mi |
| Seaside Custom Construction | 5.0★ (2) | 7 mi |
| Socal Thermal Insulation / EXCELLENCE AWARD | 3.0★ (2) | 13 mi |
| Spray Foam Insulation | 4.5★ (2) | 13 mi |
| Thermal Energy Products | 3.0★ (2) | 15 mi |
| Thermal Nest Insulation of Anaheim | 5.0★ (2) | 18 mi |
| U-STUCCO Green Building Materials | 5.0★ (2) | 17 mi |
National price ranges in USD, not adjusted for Portola Hills. 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 |
We scored 144 Portola Hills insulation contractors on ten 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. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, not counted as zero. Scores last refreshed October 23, 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 Portola Hills data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |