56 window installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Yarmouth: Portland Glass of Portland, CR Score 60/100; 4.7★ from 341 Google reviews; open Saturdays until 12 PM.
Best for emergencies (open 24/7): A Plus Windows, posts 24/7 hours; ranked #3 of 56.
Most-reviewed: Renewal by Andersen Window Replacement, 1,057 Google reviews at 4.8★, the most of 56 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
56 Yarmouth window installers are ranked here by CR Score, from ten published factors. 3 are open 24/7, 29 open Saturdays and 11 open Sundays, based on posted hours. The median Google rating is 4.8★ across 56 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Portland Glass of Portland | 60 | 4.7★ (341) | Portland, 11 mi away | Sat | Overall |
| 2 | Renewal by Andersen Window Replacement | 59 | 4.8★ (1,057) | Saco, 23 mi away | — | Most reviews |
| 3 | A Plus Windows | 59 | 5.0★ (169) | South Berwick, 17 mi away | 24/7 | Emergencies |
| 4 | Portland Glass of Brunswick | 59 | 4.8★ (213) | Brunswick, 16 mi away | Sat | — |
| 5 | Regal Replacement Windows | 59 | 4.9★ (40) | Portland, 10 mi away | Sat · Sun · Evenings | — |
| 6 | Portland Glass of Biddeford | 57 | 4.9★ (181) | Biddeford, 25 mi away | Sat | — |
| 7 | Maine Windows and Doors | 57 | 3.9★ (25) | Portland, 10 mi away | 24/7 | — |
| 8 | Portland Glass of Raymond | 57 | 4.8★ (145) | Gorham, 15 mi away | — | — |
| 9 | Portland Glass of Lewiston | 56 | 4.6★ (134) | Lewiston, 20 mi away | Sat | — |
| 10 | Window World of Southern Maine | 56 | 4.4★ (123) | Westbrook, 14 mi away | Sat | — |
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 because of its Google rating and trade focus: 4.7★ from 341 Google reviews, listed on Google as “Window installation service”.
Based in Saco, 23 mi away
Ranked #2 because of its Google rating and review volume: 4.8★ from 1,057 Google reviews, the most in Yarmouth.
Based in South Berwick, 17 mi away
Ranked #3 because of its Google rating and review volume: 5.0★ from 169 Google reviews.
Based in Brunswick, 16 mi away
Ranked #4 because of its Google rating and trade focus: 4.8★ from 213 Google reviews, listed on Google as “Window installation service”.
Based in Portland, 10 mi away
Ranked #5 because of its Google rating and trade focus: 4.9★ from 40 Google reviews, listed on Google as “Window installation service”.
Based in Biddeford, 25 mi away
Ranked #6 because of its Google rating and trade focus: 4.9★ from 181 Google reviews, listed on Google as “Window installation service”.
Based in Portland, 10 mi away
Ranked #7 because of its Google rating and trade focus: 3.9★ from 25 Google reviews, listed on Google as “Window installation service”.
Based in Gorham, 15 mi away
Ranked #8 because of its Google rating and trade focus: 4.8★ from 145 Google reviews, listed on Google as “Window installation service”.
Based in Lewiston, 20 mi away
Ranked #9 because of its Google rating and trade focus: 4.6★ from 134 Google reviews, listed on Google as “Window installation service”.
Based in Westbrook, 14 mi away
Ranked #10 because of its Google rating and trade focus: 4.4★ from 123 Google reviews, listed on Google as “Window installation service”.
Based in South Portland, 13 mi away
Ranked #11 because of its Google rating and trade focus: 4.6★ from 91 Google reviews, listed on Google as “Window installation service”.
Based in Sanford, 39 mi away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 115 Google reviews, listed on Google as “Window installation service”.
Based in Gorham, 5 mi away
Ranked #13 because of its Google rating and trade focus: 4.8★ from 22 Google reviews, listed on Google as “Window installation service”.
Based in South Portland, 11 mi away
Ranked #14 because of its Google rating and review volume: 4.9★ from 222 Google reviews.
Based in Portland, 8 mi away
Ranked #15 because of its Google rating and review volume: 4.9★ from 69 Google reviews.
Based in Gorham, 11 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Window installation service”.
Based in Buxton, 15 mi away
Ranked #17 because of its Google rating and trade focus: 4.6★ from 9 Google reviews, listed on Google as “Window installation service”.
Based in Portland, 10 mi away
Ranked #18 because of its Google rating and review volume: 4.7★ from 186 Google reviews.
Based in Lewiston, 19 mi away
Ranked #19 because of its Google rating and trade focus: 4.8★ from 30 Google reviews, listed on Google as “Window installation service”.
Based in Waterville, 8 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Window installation service”.
Based in Paris, 33 mi away
Ranked #21 because of its Google rating and trade focus: 4.9★ from 73 Google reviews, listed on Google as “Window installation service”.
Based in Paris, 33 mi away
Ranked #22 because of its Google rating and trade focus: 4.8★ from 66 Google reviews, listed on Google as “Window installation service”.
Based in Buxton, 21 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 17 Google reviews, listed on Google as “Window installation service”.
Based in Portland, 10 mi away
Ranked #24 because of its Google rating and review volume: 4.8★ from 72 Google reviews.
Based in Auburn, 16 mi away
Ranked #25 because of its Google rating and trade focus: 2.6★ from 10 Google reviews, listed on Google as “Window installation service”.
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 |
We scored 56 Yarmouth window installers 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 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 Yarmouth 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 |