85/100CR Score
Ranked #1 because of its Google rating and availability: 5.0★ from 169 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 5.0★ from 169 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Best Window Installers in Westbrook, ME (2026)
56 window installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Westbrook: A Plus Windows, CR Score 85/100; 5.0★ from 169 Google reviews; open 24/7.
- 3
Best for emergencies (open 24/7): Maine Windows and Doors, posts 24/7 hours; ranked #3 of 56.
- 6
Most-reviewed: Renewal by Andersen Window Replacement, 1,057 Google reviews at 4.8★, the most of 56 ranked; ranked #6.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
56 Westbrook window installers are ranked here by CR Score, from 8 published factors. 6 are open 24/7, 32 open Saturdays and 14 open Sundays, based on posted hours. The median Google rating is 4.8★ across 56 rated businesses.
Most of this list also appears on the Window installers in South Portland Gardens ranking. See Window installers in South Portland Gardens
Top 10 window installers in Westbrook at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | A Plus Windows | 85 | 5.0★ (169) | South Berwick, 24 mi away | 24/7 | Overall |
| 2 | Regal Replacement Windows | 85 | 4.9★ (40) | Portland, 4 mi away | Sat · Sun · Evenings | — |
| 3 | Maine Windows and Doors | 85 | 3.9★ (25) | Portland, 3 mi away | 24/7 | Emergencies |
| 4 | Portland Glass of Portland | 84 | 4.7★ (341) | Portland, 5 mi away | Sat | — |
| 5 | Portland Glass of Biddeford | 83 | 4.9★ (181) | Biddeford, 14 mi away | Sat | — |
| 6 | Renewal by Andersen Window Replacement | 83 | 4.8★ (1,057) | Saco, 11 mi away | — | Most reviews |
| 7 | Window World of Southern Maine | 81 | 4.4★ (123) | Westbrook | Sat | — |
| 8 | Portland Glass of Brunswick | 81 | 4.8★ (213) | Brunswick, 28 mi away | Sat | — |
| 9 | Portland Glass of Springvale & Sanford | 80 | 4.9★ (115) | Sanford, 26 mi away | Sat | — |
| 10 | Mandette Roofing Plus | 80 | 4.9★ (69) | Portland, 5 mi away | Sat · Sun · Evenings | — |
The 56 best window installers in Westbrook, ranked
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Based in Portland, 4 mi away
85/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.9★ from 40 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.9★ from 40 Google reviews
- Hours
- Mon–Sat 8 AM–8 PM · Sun 12 PM–8 PM
- Address
- 40 Quarry Rd, Portland, ME 04103
Based in Portland, 3 mi away
85/100CR ScoreRanked #3 because of its Google rating and availability: 3.9★ from 25 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 3.9★ from 25 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 306 Warren Ave Suite 2A, Portland, ME 04103
Based in Portland, 5 mi away
84/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.7★ from 341 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.7★ from 341 Google reviews
- Hours
- Mon–Fri 7:30 AM–5 PM · Sat 8 AM–12 PM · Sun closed
- Address
- 832 Congress St, Portland, ME 04102
Based in Biddeford, 14 mi away
83/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.9★ from 181 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.9★ from 181 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat 8 AM–12 PM · Sun closed
- Address
- 150 Alfred St, Biddeford, ME 04005
Based in Saco, 11 mi away
83/100CR ScoreRanked #6 because of its Google rating and review volume: 4.8★ from 1,057 Google reviews, the most Google reviews on this list (1,057).
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.8★ from 1,057 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 66 Industrial Park Rd, Saco, ME 04072
Based in Westbrook
81/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.4★ from 123 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.4★ from 123 Google reviews
- Hours
- Mon–Fri 9 AM–5 PM · Sat 9 AM–1 PM · Sun closed
- Address
- 2 Karen Dr Unit 5, Westbrook, ME 04092
Based in Brunswick, 28 mi away
81/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.8★ from 213 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.8★ from 213 Google reviews
- Hours
- Mon–Fri 7:30 AM–5 PM · Sat 8 AM–12 PM · Sun closed
- Address
- 261 Bath Rd, Brunswick, ME 04011
Based in Sanford, 26 mi away
80/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.9★ from 115 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.9★ from 115 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat 8 AM–12 PM · Sun closed
- Address
- 645 Main St, Springvale, ME 04083
Based in Portland, 5 mi away
80/100CR ScoreRanked #10 because of its Google rating and availability: 4.9★ from 69 Google reviews, open 7 days a week.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.9★ from 69 Google reviews
- Hours
- Mon–Sun 7 AM–7 PM
- Address
- 94 Auburn St Ste 109, Portland, ME 04103
Based in Sanford, 26 mi away
79/100CR ScoreRanked #11 because of its Google rating and availability: 5.0★ from 46 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 5.0★ from 46 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 88 Alfred Rd, Sanford, ME 04073
Based in South Portland, 7 mi away
78/100CR ScoreRanked #12 because of its Google rating and review volume: 4.9★ from 222 Google reviews, 222 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.9★ from 222 Google reviews
- Hours
- Mon–Fri 7 AM–5 PM · Sat 8 AM–12 PM · Sun closed
- Address
- 145 Sawyer St, South Portland, ME 04106
Based in Gorham, 15 mi away
78/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.8★ from 145 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.8★ from 145 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 1269 Roosevelt Trail, Raymond, ME 04071
Based in Lewiston, 29 mi away
78/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.6★ from 134 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.6★ from 134 Google reviews
- Hours
- Mon–Fri 7:30 AM–5 PM · Sat 8 AM–12 PM · Sun closed
- Address
- 865 Lisbon St, Lewiston, ME 04240
Based in Buxton, 5 mi away
78/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.6★ from 9 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.6★ from 9 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat 8 AM–3 PM · Sun closed
- Address
- 162 Gorham Rd, Scarborough, ME 04074
#16 DaBella
Based in Portland, 2 mi away
78/100CR ScoreRanked #16 because of its Google rating and review volume: 4.7★ from 186 Google reviews, 186 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.7★ from 186 Google reviews
- Hours
- Mon–Fri 7 AM–9 PM · Sat 8 AM–5 PM · Sun closed
- Address
- 400 Riverside St unit 1a, Portland, ME 04103
#17 A-BEST Window
Based in South Portland, 6 mi away
78/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.6★ from 91 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.6★ from 91 Google reviews
- Hours
- Mon–Fri 8:30 AM–5 PM · Sat–Sun closed
- Address
- 1199 Broadway, South Portland, ME 04106
Based in Carney, 37 mi away
77/100CR ScoreRanked #18 because of its Google rating and availability: 3.7★ from 3 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 3.7★ from 3 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
#19 Rowe Carpentry
Based in Gorham, 3 mi away
77/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 5.0★ from 5 Google reviews
- Hours
- Mon–Sat 7 AM–6 PM · Sun closed
Based in Portland, 3 mi away
76/100CR ScoreRanked #20 because of its Google rating and review volume: 4.8★ from 72 Google reviews, 72 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.8★ from 72 Google reviews
- Hours
- Mon–Sat 7 AM–5 PM · Sun closed
- Address
- 12 Grove St, Portland, ME 04103
Based in Saco, 9 mi away
76/100CR ScoreRanked #21 because of its Google rating and availability: 5.0★ from 15 Google reviews, open 7 days a week.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 5.0★ from 15 Google reviews
- Hours
- Mon–Sun 7 AM–7 PM
- Address
- US-1, Saco, ME 04072
#22 The Glass Guy
Based in Biddeford, 15 mi away
76/100CR ScoreRanked #22 because of its Google rating and trade focus: 3.7★ from 6 Google reviews, listed on Google as “Window installation service”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
- 3.7★ from 6 Google reviews
- Address
- 8 Riverside Ave, Biddeford, ME 04005
Based in Buxton, 6 mi away
76/100CR ScoreRanked #23 because of its Google rating and review volume: 5.0★ from 49 Google reviews, 49 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 5.0★ from 49 Google reviews
- Hours
- Mon–Fri 8 AM–6 PM · Sat 9 AM–5 PM · Sun closed
- Address
- 342 US-1, Scarborough, ME 04074
Based in Buxton, 5 mi away
76/100CR ScoreRanked #24 because of its Google rating and availability: 4.7★ from 13 Google reviews, open 7 days a week.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.7★ from 13 Google reviews
- Hours
- Mon–Sun 6 AM–8 PM
- Address
- 18 Marshall Valley Rd, Windham, ME 04062
Based in Buxton, 10 mi away
76/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 17 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 5.0★ from 17 Google reviews
- Hours
- Mon–Fri 7 AM–5 PM · Sat–Sun closed
How much do window installers cost in Westbrook?
Typical prices in USD, adjusted for Maine with a published regional index. Each row names its basis and month.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Window replacement | $3,410 | $7,300 | $11,760 | Per project (several windows): typical range of customer-reported projects. US national range × 0.99 New England factor (2025 Cost vs. Value Report) | October 2026 |
How we ranked Westbrook window installers
We scored 56 Westbrook window installers 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 Westbrook 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 |
Window installers in Westbrook: frequently asked questions
Who is the best window installer in Westbrook?
By CR Score, the highest-ranked window installer in Westbrook, ME is A Plus Windows with a CR Score of 85/100. It has 5.0★ from 169 Google reviews. It is open 24/7. Regal Replacement Windows (#2) and Maine Windows and Doors (#3) follow. We ranked 56 window installers on 8 factors, last updated October 22, 2026.
How many window installers are there in Westbrook?
ContractorsRanked ranks 56 window installers serving Westbrook, ME. 1 of them is based in Westbrook; the rest serve it from nearby towns. Counts are as of October 2026.
Which window installers in Westbrook are open 24/7?
6 ranked window installers in Westbrook post 24/7 hours. The highest-ranked are A Plus Windows (#1), Maine Windows and Doors (#3) and B's Roofing & Construction LLC (#11). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which window installers in Westbrook work on weekends?
32 of 56 ranked window installers post Saturday hours and 14 post Sunday hours. The highest-ranked open Saturdays are A Plus Windows (#1), Regal Replacement Windows (#2) and Maine Windows and Doors (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does window replacement cost in Westbrook?
Window replacement typically costs $3,410 to $11,760, with $7,300 typical (Per project (several windows): typical range of customer-reported projects. US national range × 0.99 New England factor (2025 Cost vs. Value Report)). The range is adjusted for Maine. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Westbrook window installers have?
The median Google rating among 56 rated window installers in Westbrook is 4.8★, with a median of 24 reviews. Renewal by Andersen Window Replacement has the most, 1,057 reviews, and ranks #6. We adjust ratings for review count, so a few five-star reviews cannot top the list.
How does ContractorsRanked rank window installers?
Each window installer 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 window installers outside Westbrook count in this ranking?
Yes, if they are within 40 mi of the Westbrook city center, our service radius for window installers. 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 Westbrook
- October 2026: CR Scores recalculated for 56 window installers serving Westbrook.
- October 2026: 3 duplicate listings merged.
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