628 window installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Westmont: Renewal by Andersen of Greater Los Angeles -Torrance, CR Score 65/100; 4.8★ from 1,837 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): De Leon Glass Company, posts 24/7 hours; ranked #8 of 628.
Most-reviewed: Sliding Door Repair Company, 484 Google reviews at 4.7★, the most of 628 ranked after Renewal by Andersen of Greater Los Angeles -Torrance; ranked #7.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
628 Westmont window installers are ranked here by CR Score, from ten published factors. 46 are open 24/7, 386 open Saturdays and 190 open Sundays, based on posted hours. The median Google rating is 4.8★ across 628 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Renewal by Andersen of Greater Los Angeles -Torrance | 65 | 4.8★ (1,837) | Torrance, 6 mi away | Sat · Sun | Overall |
| 2 | Smart Window Company | 62 | 5.0★ (333) | Torrance, 7 mi away | Sat · Evenings | — |
| 3 | Majestic Autoglass | 61 | 4.8★ (351) | Compton, 6 mi away | Sat | — |
| 4 | Fast Glass & Windows Repair by Olwin | 60 | 5.0★ (114) | Los Angeles, 11 mi away | Sat · Sun · Evenings | — |
| 5 | Reliance Development and Construction Inc. | 60 | 4.9★ (105) | Maywood, 8 mi away | Sat · Sun · Evenings | — |
| 6 | Epic Auto Glass LLC | 60 | 4.8★ (117) | Los Angeles, 7 mi away | Sat · Sun · Evenings | — |
| 7 | Sliding Door Repair Company | 60 | 4.7★ (484) | Anaheim, 21 mi away | Sat · Sun · Evenings | Most reviews |
| 8 | De Leon Glass Company | 60 | 4.9★ (32) | Los Angeles, 8 mi away | 24/7 | Emergencies |
| 9 | Top Energy Solutions | 59 | 5.0★ (165) | West Hollywood, 11 mi away | Sun | — |
| 10 | Fast Glass | 59 | 4.5★ (126) | Long Beach, 14 mi away | 24/7 | — |
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 in Westmont
Based in Torrance, 6 mi away
Ranked #1 because of its Google rating and review volume: 4.8★ from 1,837 Google reviews, the most in Westmont.
Based in Torrance, 7 mi away
Ranked #2 because of its Google rating and trade focus: 5.0★ from 333 Google reviews, listed on Google as “Window installation service”.
Based in Compton, 6 mi away
Ranked #3 because of its Google rating and trade focus: 4.8★ from 351 Google reviews, listed on Google as “Window installation service”.
Based in Los Angeles, 11 mi away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 114 Google reviews, listed on Google as “Window installation service”.
Based in Maywood, 8 mi away
Ranked #5 because of its Google rating and trade focus: 4.9★ from 105 Google reviews, listed on Google as “Window installation service”.
Based in Los Angeles, 7 mi away
Ranked #6 because of its Google rating and trade focus: 4.8★ from 117 Google reviews, listed on Google as “Window installation service”.
Based in Anaheim, 21 mi away
Ranked #7 because of its Google rating and trade focus: 4.7★ from 484 Google reviews, listed on Google as “Window installation service”.
Based in Los Angeles, 8 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 32 Google reviews, listed on Google as “Window installation service”.
Based in West Hollywood, 11 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 165 Google reviews, listed on Google as “Window installation service”.
Based in Long Beach, 14 mi away
Ranked #10 because of its Google rating and trade focus: 4.5★ from 126 Google reviews, listed on Google as “Window installation service”.
Based in Pasadena, 6 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 133 Google reviews, listed on Google as “Gutter cleaning service”.
Based in Los Angeles, 5 mi away
Ranked #12 because of its Google rating and trade focus: 4.5★ from 125 Google reviews, listed on Google as “Window installation service”.
Based in West Hollywood, 11 mi away
Ranked #13 because of its Google rating and trade focus: 4.5★ from 195 Google reviews, listed on Google as “Window installation service”.
Based in Santa Ana, 27 mi away
Ranked #14 because of its Google rating and trade focus: 4.7★ from 457 Google reviews, listed on Google as “Window installation service”.
Based in Los Angeles, 15 mi away
Ranked #15 because of its Google rating and trade focus: 4.5★ from 230 Google reviews, listed on Google as “Window installation service”.
Based in Beverly Hills, 6 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 30 Google reviews, listed on Google as “Window installation service”.
Based in Pasadena, 17 mi away
Ranked #17 because of its Google rating and review volume: 4.8★ from 357 Google reviews.
Based in Culver City, 7 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 30 Google reviews, listed on Google as “Window installation service”.
Based in Encino, 17 mi away
Ranked #19 because of its Google rating and review volume: 4.9★ from 220 Google reviews.
Based in Lakewood, 11 mi away
Ranked #20 because of its Google rating and trade focus: 4.8★ from 21 Google reviews, listed on Google as “Window installation service”.
Based in Van Nuys, 21 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 81 Google reviews, listed on Google as “Window installation service”.
Based in Arcadia, 20 mi away
Ranked #22 because of its Google rating and trade focus: 4.8★ from 313 Google reviews, listed on Google as “Window installation service”.
Based in Redondo Beach, 6 mi away
Ranked #23 because of its Google rating and trade focus: 4.1★ from 34 Google reviews, listed on Google as “Window installation service”.
Based in San Pedro, 13 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 18 Google reviews, listed on Google as “Window installation service”.
Based in South El Monte, 17 mi away
Ranked #25 because of its Google rating and trade focus: 4.8★ from 66 Google reviews, listed on Google as “Window installation service”.
Typical prices in USD, adjusted for California with a published regional index. Each row names its basis and month.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Window replacement | $3,710 | $7,930 | $12,770 | Per project (several windows): typical range of customer-reported projects. US national range × 1.08 Pacific factor (2025 Cost vs. Value Report) | October 2026 |
We scored 628 Westmont 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 Westmont 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 |