18 window installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Alton: Admiral Auto Glass, CR Score 62/100; 4.7★ from 114 Google reviews; open Saturdays until 12 PM.
Most-reviewed: Pan American Auto, LLC, 131 Google reviews at 5.0★, the most of 18 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
18 Alton window installers are ranked here by CR Score, from ten published factors. 11 open Saturdays and 1 open Sundays, based on posted hours. The median Google rating is 4.7★ across 18 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Admiral Auto Glass | 62 | 4.7★ (114) | McAllen, 6 mi away | Sat | Overall |
| 2 | Pan American Auto, LLC | 62 | 5.0★ (131) | Pharr, 9 mi away | — | Most reviews |
| 3 | Window World Rio Grande Valley | 62 | 4.7★ (109) | McAllen, 9 mi away | Sat | — |
| 4 | Glass Doctor of McAllen | 60 | 4.7★ (129) | McAllen, 9 mi away | — | — |
| 5 | Prime Windshield Repair | 58 | 5.0★ (20) | McAllen, 7 mi away | Sat | — |
| 6 | Mario's Custom Doors | 58 | 3.9★ (16) | Mission, 4 mi away | Sat · Sun | — |
| 7 | Pro Glass Service LLC | 58 | 4.6★ (19) | McAllen, 5 mi away | Sat | — |
| 8 | American Audio Alarm & Tint, Signs, Intoxalock Ingnition Interlock | 56 | 4.2★ (31) | Weslaco, 21 mi away | Sat | — |
| 9 | Alamo Glass & Solar Screens | 55 | 4.6★ (26) | Alamo, 14 mi away | — | — |
| 10 | Valley Plantation Shutters | 54 | 4.6★ (12) | Weslaco, 22 mi away | Sat · Evenings | — |
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 114 Google reviews, listed on Google as “Window installation service”.
Based in Pharr, 9 mi away
Ranked #2 because of its Google rating and review volume: 5.0★ from 131 Google reviews, the most in Alton.
Based in McAllen, 9 mi away
Ranked #3 because of its Google rating and trade focus: 4.7★ from 109 Google reviews, listed on Google as “Window installation service”.
Based in McAllen, 9 mi away
Ranked #4 because of its Google rating and trade focus: 4.7★ from 129 Google reviews, listed on Google as “Window installation service”.
Based in McAllen, 7 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 20 Google reviews, listed on Google as “Window installation service”.
Based in Mission, 4 mi away
Ranked #6 because of its Google rating and trade focus: 3.9★ from 16 Google reviews, listed on Google as “Window installation service”.
Based in McAllen, 5 mi away
Ranked #7 because of its Google rating and trade focus: 4.6★ from 19 Google reviews, listed on Google as “Window installation service”.
Based in Weslaco, 21 mi away
Ranked #8 because of its Google rating and trade focus: 4.2★ from 31 Google reviews, listed on Google as “Window installation service”.
Based in Alamo, 14 mi away
Ranked #9 because of its Google rating and trade focus: 4.6★ from 26 Google reviews, listed on Google as “Window installation service”.
Based in Weslaco, 22 mi away
Ranked #10 because of its Google rating and trade focus: 4.6★ from 12 Google reviews, listed on Google as “Window installation service”.
Based in Alamo, 8 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Window installation service”.
Based in Mission, 8 mi away
Ranked #12 because of its Google rating and review volume: 4.8★ from 44 Google reviews.
Based in Edinburg, 8 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Window installation service”.
Based in Edinburg, 10 mi away
Ranked #14 because of its Google rating and review volume: 5.0★ from 21 Google reviews.
Based in Harlingen, 39 mi away
Ranked #15 because of its Google rating and trade focus: 4.7★ from 13 Google reviews, listed on Google as “Window installation service”.
Based in Edinburg, 11 mi away
Ranked #16 because of its Google rating and trade focus: 4.9★ from 7 Google reviews, listed on Google as “Flooring store”.
Based in McAllen, 7 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Roofing contractor”.
Based in La Feria, 30 mi away
Ranked #18 because of its Google rating and review volume: 3.8★ from 24 Google reviews.
Typical prices in USD, adjusted for Texas with a published regional index. Each row names its basis and month.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Window replacement | $3,140 | $6,710 | $10,820 | Per project (several windows): typical range of customer-reported projects. US national range × 0.91 West South Central factor (2025 Cost vs. Value Report) | October 2026 |
We scored 18 Alton 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 Alton 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 |