29 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Sudden Valley: A&Z insulation, CR Score 59/100; 5.0★ from 151 Google reviews; open 7 days a week.
Most-reviewed: GoodMonsters Pest Control, 487 Google reviews at 4.9★, the most of 29 ranked; ranked #11.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
29 Sudden Valley insulation contractors are ranked here by CR Score, from ten published factors. 9 open Saturdays and 3 open Sundays, based on posted hours. The median Google rating is 4.8★ across 29 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | A&Z insulation | 59 | 5.0★ (151) | Mount Vernon, 22 mi away | Sat · Sun · Evenings | Overall |
| 2 | The Insulation Company | 58 | 4.9★ (62) | Bellingham, 5 mi away | — | — |
| 3 | Arrow Insulation | 55 | 4.8★ (92) | Bellingham, 17 mi away | — | — |
| 4 | Insulation Co Inc | 55 | 5.0★ (39) | Mount Vernon, 21 mi away | Sat | — |
| 5 | Environmental Insulation and Contracting LLC | 53 | 4.5★ (22) | Bellingham, 9 mi away | — | — |
| 6 | Classic Pest Control & Insulation | 53 | 4.8★ (65) | Mount Vernon, 20 mi away | — | — |
| 7 | Proficient Insulation Solutions LLC | 53 | 5.0★ (16) | Mount Vernon, 21 mi away | Sat · Evenings | — |
| 8 | Free Eagle Drywall | 52 | 5.0★ (6) | Abbotsford, 22 mi away | Sat · Sun · Evenings | — |
| 9 | SPF Insulation | 52 | 5.0★ (28) | Anacortes, 22 mi away | — | — |
| 10 | Ash Insulation | 52 | 5.0★ (15) | Blaine, 17 mi away | — | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and trade focus: 5.0★ from 151 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bellingham, 5 mi away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 62 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bellingham, 17 mi away
Ranked #3 because of its Google rating and trade focus: 4.8★ from 92 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Mount Vernon, 21 mi away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 39 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bellingham, 9 mi away
Ranked #5 because of its Google rating and trade focus: 4.5★ from 22 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Mount Vernon, 20 mi away
Ranked #6 because of its Google rating and trade focus: 4.8★ from 65 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Mount Vernon, 21 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 16 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Abbotsford, 22 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Anacortes, 22 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 28 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Blaine, 17 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Mount Vernon, 21 mi away
Ranked #11 because of its Google rating and review volume: 4.9★ from 487 Google reviews, the most in Sudden Valley.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bellingham, 6 mi away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 13 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Ferndale, 18 mi away
Ranked #13 because of its Google rating and trade focus: 4.5★ from 21 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Anacortes, 18 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Mount Vernon, 20 mi away
Ranked #15 because of its Google rating and trade focus: 4.8★ from 4 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Abbotsford, 22 mi away
Ranked #16 because of its Google rating and trade focus: 4.8★ from 16 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Abbotsford, 22 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Insulation contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Abbotsford, 25 mi away
Ranked #18 because of its Google rating and trade focus: 4.8★ from 15 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Burlington, 18 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 32 Google reviews, listed on Google as “Roofing contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sedro-Woolley, 16 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Mount Vernon, 22 mi away
Ranked #21 because of its Google rating and trade focus: 3.8★ from 15 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Abbotsford, 23 mi away
Ranked #22 because of its Google rating and trade focus: 4.5★ from 8 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Ferndale, 21 mi away
Ranked #23 because of its Google rating and review volume: 4.8★ from 149 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Abbotsford, 22 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Abbotsford, 23 mi away
Ranked #25 because of its Google rating and trade focus: 4.0★ from 4 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#1 to #25 are shown in full above. Here are #26 to #29, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Direct Roofing - Fraser Valley Residential & Commercial Roofing Contractor | 47 | 4.3★ (55) | 22 mi |
| 27 | Rainshield Roofing & Construction Inc | 46 | 4.3★ (42) | 15 mi |
| 28 | ICU'S Attic Insulation & Roofing Services Inc, WA | 46 | 4.7★ (3) | 21 mi |
| 29 | Whatcom Enterprises and Services | 45 | 4.7★ (3) | 8 mi |
17 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 |
|---|---|---|
| Bay Insulation Supply of Washington | 5.0★ (1) | 22 mi |
| Bellingham Insulation | 8 mi | |
| BHAM Bizzy Bee | In Sudden Valley | |
| BSM'S Attic Insulation & Roofing Services Inc, WA | 5.0★ (2) | 22 mi |
| Ecologic Spray Foam Insulation | 23 mi | |
| Four Seasons Insulation | 20 mi | |
| GRP Attic Insulation & Roofing Services Anacortes ,WA | 5.0★ (2) | 19 mi |
| HouseCo Construction | In Sudden Valley | |
| Hudson Bay Insulation | 1.0★ (1) | 20 mi |
| Isolate Insulation | 23 mi | |
| J Calman Industries LLC | 5.0★ (2) | 13 mi |
| Mendoza's Insulation LLC | 5.0★ (1) | 21 mi |
| Speedy insulation | 5.0★ (1) | 23 mi |
| Storm Drywall Inc. | 5.0★ (1) | 18 mi |
| Tasman Industries Ltd | 5.0★ (1) | 24 mi |
| TBH Attic Insulation & Roofing Services Anacortes ,WA | 5.0★ (1) | 19 mi |
| Topchoice Insulation LLC | 5.0★ (2) | 17 mi |
National price ranges in USD, not adjusted for Sudden Valley. 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 29 Sudden Valley 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 Sudden Valley 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 |