17 window installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Flagstaff: Marvin Design Gallery by Mountain West Windows and Doors, CR Score 59/100; 4.8★ from 38 Google reviews.
Most-reviewed: DaBella, 527 Google reviews at 4.7★, the most of 17 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
17 Flagstaff window installers are ranked here by CR Score, from ten published factors. 7 open Saturdays and 3 open Sundays, based on posted hours. The median Google rating is 4.6★ across 17 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Marvin Design Gallery by Mountain West Windows and Doors | 59 | 4.8★ (38) | Flagstaff | — | Overall |
| 2 | DaBella | 58 | 4.7★ (527) | Flagstaff | Sat · Evenings | Most reviews |
| 3 | Demers Glass, LLC. | 57 | 4.5★ (63) | Flagstaff | — | — |
| 4 | Flagstaff | 56 | 3.9★ (11) | Flagstaff | Sat · Sun | — |
| 5 | Lumberjack Window Cleaning and Installation | 55 | 5.0★ (3) | Flagstaff | Sat · Sun · Evenings | — |
| 6 | THE ROCK Glass & Mirror Company | 55 | 4.5★ (29) | Flagstaff | — | — |
| 7 | Twin Peaks Glass, LLC. | 53 | 4.1★ (13) | Flagstaff | — | — |
| 8 | Clayton Glass Flagstaff | 53 | 4.3★ (12) | Flagstaff | — | — |
| 9 | JCE | 52 | 5.0★ (4) | Flagstaff | — | — |
| 10 | Christian Professional Services | 51 | 5.0★ (7) | Flagstaff | Sat · Sun · Evenings | — |
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: 4.8★ from 38 Google reviews, listed on Google as “Window installation service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Flagstaff
Ranked #2 because of its Google rating and review volume: 4.7★ from 527 Google reviews, the most in Flagstaff.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Flagstaff
Ranked #3 because of its Google rating and trade focus: 4.5★ from 63 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Flagstaff
Ranked #4 because of its Google rating and trade focus: 3.9★ from 11 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Flagstaff
Ranked #5 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Flagstaff
Ranked #6 because of its Google rating and trade focus: 4.5★ from 29 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Flagstaff
Ranked #7 because of its Google rating and trade focus: 4.1★ from 13 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Flagstaff
Ranked #8 because of its Google rating and trade focus: 4.3★ from 12 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Flagstaff
Ranked #9 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Flagstaff
Ranked #10 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Flooring contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Flagstaff
Ranked #11 because of its Google rating and review volume: 4.4★ from 27 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Flagstaff
Ranked #12 because of its Google rating and trade focus: 4.6★ from 11 Google reviews, listed on Google as “Kitchen remodeler”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Cottonwood, 38 mi away
Ranked #13 because of its Google rating and trade focus: 4.2★ from 25 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Flagstaff
Ranked #14 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Flooring store”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Flagstaff
Ranked #15 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “General contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Cottonwood, 39 mi away
Ranked #16 because of its Google rating and trade focus: 3.3★ from 25 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Cottonwood, 39 mi away
Ranked #17 because of its Google rating and review volume: 4.7★ from 63 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
20 more window installers within 40 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 |
|---|---|---|
| 1 Touch Doors, Windows, and more.. | 5.0★ (2) | 38 mi |
| All Seasons Professional Home Services | 4.4★ (7) | In Flagstaff |
| Appliance Service Today | 3.5★ (91) | In Flagstaff |
| Artisan Trim Master | In Flagstaff | |
| AZ Royal Granite & Remodeling | 4.8★ (33) | In Flagstaff |
| Barden Home Builders | 5.0★ (109) | In Flagstaff |
| Boyer Heating & Cooling LLC | 4.2★ (27) | In Flagstaff |
| CCIFlag | 4.5★ (10) | In Flagstaff |
| CozyHome | 5.0★ (91) | In Flagstaff |
| Foose Home Repairs | 5.0★ (11) | In Flagstaff |
| General Contracting and Electrical Services LLC | 5.0★ (1) | 25 mi |
| Holdsworth Construction Inc | 3.5★ (8) | In Flagstaff |
| Kopa Home Services | 4.8★ (96) | In Flagstaff |
| Michaels Handyman and Construction, LLC. | In Flagstaff | |
| Mike Furr Construction Inc | 5.0★ (7) | In Flagstaff |
| Northern Arizona Stone Creations | 4.9★ (99) | In Flagstaff |
| REITZ BUILDERS | 4.4★ (7) | In Flagstaff |
| Sears Heating and Air Conditioning | 38 mi | |
| Sedona Property Maintenance | 27 mi | |
| Warner's Nursery & Landscape Co. | 4.6★ (220) | In Flagstaff |
Typical prices in USD, adjusted for Arizona with a published regional index. Each row names its basis and month.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Window replacement | $3,290 | $7,050 | $11,350 | Per project (several windows): typical range of customer-reported projects. US national range × 0.96 Mountain factor (2025 Cost vs. Value Report) | October 2026 |
We scored 17 Flagstaff 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 Flagstaff 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 |