678 window installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Downey: Renewal by Andersen of Greater Los Angeles -Torrance, CR Score 90/100; 4.8★ from 1,837 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): Fast Glass, posts 24/7 hours; ranked #3 of 678.
Most-reviewed: Sliding Door Repair Company, 484 Google reviews at 4.7★, the most of 678 ranked after Renewal by Andersen of Greater Los Angeles -Torrance; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
678 Downey window installers are ranked here by CR Score, from 8 published factors. 50 are open 24/7, 429 open Saturdays and 202 open Sundays, based on posted hours. The median Google rating is 4.8★ across 678 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Renewal by Andersen of Greater Los Angeles -Torrance | 90 | 4.8★ (1,837) | Torrance, 12 mi away | Sat · Sun | Overall |
| 2 | Sliding Door Repair Company | 87 | 4.7★ (484) | Anaheim, 12 mi away | Sat · Sun · Evenings | Most reviews |
| 3 | Fast Glass | 87 | 4.5★ (126) | Long Beach, 11 mi away | 24/7 | Emergencies |
| 4 | Reliance Development and Construction Inc. | 87 | 4.9★ (105) | Maywood, 5 mi away | Sat · Sun · Evenings | — |
| 5 | De Leon Glass Company | 86 | 4.9★ (32) | Los Angeles, 12 mi away | 24/7 | — |
| 6 | Big Wave Window | 86 | 4.8★ (357) | Pasadena, 14 mi away | 24/7 | — |
| 7 | Paz Window Cleaning LLC | 86 | 5.0★ (133) | Pasadena, 13 mi away | 24/7 | — |
| 8 | Jasper's Window Cleaning | 86 | 5.0★ (128) | Arcadia, 14 mi away | 24/7 | — |
| 9 | Wilson Glass & Screen | 86 | 4.8★ (21) | Lakewood, 8 mi away | 24/7 | — |
| 10 | Orange County Auto Glass in Santa Ana | 86 | 4.7★ (457) | Santa Ana, 19 mi away | Sat · Sun | — |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Ranked #1 in Downey
Based in Torrance, 12 mi away
Ranked #1 because of its Google rating and review volume: 4.8★ from 1,837 Google reviews, the most Google reviews on this list (1,837).
Based in Anaheim, 12 mi away
Ranked #2 because of its Google rating and trade focus: 4.7★ from 484 Google reviews, listed on Google as “Window installation service”.
Based in Long Beach, 11 mi away
Ranked #3 because of its Google rating and availability: 4.5★ from 126 Google reviews, open 24/7.
Based in Maywood, 5 mi away
Ranked #4 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, 12 mi away
Ranked #5 because of its Google rating and availability: 4.9★ from 32 Google reviews, open 24/7.
Based in Pasadena, 14 mi away
Ranked #6 because of its Google rating and availability: 4.8★ from 357 Google reviews, open 24/7.
Based in Pasadena, 13 mi away
Ranked #7 because of its Google rating and availability: 5.0★ from 133 Google reviews, open 24/7.
Based in Arcadia, 14 mi away
Ranked #8 because of its Google rating and availability: 5.0★ from 128 Google reviews, open 24/7.
Based in Lakewood, 8 mi away
Ranked #9 because of its Google rating and availability: 4.8★ from 21 Google reviews, open 24/7.
Based in Santa Ana, 19 mi away
Ranked #10 because of its Google rating and trade focus: 4.7★ from 457 Google reviews, listed on Google as “Window installation service”.
Based in Sierra Madre, 16 mi away
Ranked #11 because of its Google rating and availability: 5.0★ from 148 Google reviews, open 24/7.
Based in Los Angeles, 19 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 114 Google reviews, listed on Google as “Window installation service”.
Based in Torrance, 13 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 333 Google reviews, listed on Google as “Window installation service”.
Based in Baldwin Park, 13 mi away
Ranked #14 because of its Google rating and availability: 4.8★ from 22 Google reviews, open 24/7.
Based in Los Angeles, 12 mi away
Ranked #15 because of its Google rating and trade focus: 4.8★ from 117 Google reviews, listed on Google as “Window installation service”.
Based in Compton, 6 mi away
Ranked #16 because of its Google rating and trade focus: 4.8★ from 351 Google reviews, listed on Google as “Window installation service”.
Based in Buena Park, 11 mi away
Ranked #17 because of its Google rating and availability: 5.0★ from 69 Google reviews, open 24/7.
Based in South El Monte, 9 mi away
Ranked #18 because of its Google rating and trade focus: 4.8★ from 66 Google reviews, listed on Google as “Window installation service”.
Based in Garden Grove, 15 mi away
Ranked #19 because of its Google rating and availability: 5.0★ from 14 Google reviews, open 24/7.
Based in Anaheim, 30 mi away
Ranked #20 because of its Google rating and availability: 4.9★ from 322 Google reviews, open 24/7.
Based in Anaheim, 19 mi away
Ranked #21 because of its Google rating and trade focus: 4.8★ from 132 Google reviews, listed on Google as “Window installation service”.
Based in Encino, 26 mi away
Ranked #22 because of its Google rating and availability: 4.9★ from 220 Google reviews, open 24/7.
Based in Costa Mesa, 22 mi away
Ranked #23 because of its Google rating and availability: 4.9★ from 152 Google reviews, open 24/7.
Based in Fullerton, 15 mi away
Ranked #24 because of its Google rating and availability: 4.3★ from 38 Google reviews, open 24/7.
Based in Compton, 4 mi away
Ranked #25 because of its Google rating and availability: 5.0★ from 4 Google reviews, open 24/7.
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 678 ranked window installers here; the rest are on their profiles.
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 |
|---|---|---|
| 3 Day Blinds | 5.0★ (2) | 7 mi |
| A1 Door Expert | 5.0★ (2) | 14 mi |
| ADU California Modern Design | 3.0★ (2) | 12 mi |
| Albert Window Company Los Angeles | 4.5★ (2) | 11 mi |
| Alexander Windoors | 5.0★ (2) | 11 mi |
| Always All About home improvement | 3.0★ (2) | 14 mi |
| Baten Glass | 3.0★ (2) | 11 mi |
| BGSC at Hacienda Heights | 5.0★ (2) | 7 mi |
| Cal State Construction | 2.7★ (3) | In Downey |
| Dome Window Installation Alhambra | 3.0★ (2) | 11 mi |
| El Monte Auto Glass Repair | 3.0★ (2) | 7 mi |
| Everfresh Painting Inc | 4.7★ (13) | In Downey |
| JJ Shower Door | 5.0★ (2) | 12 mi |
| NGM Autoglass | 3.5★ (2) | 11 mi |
| Orange County Painting Co. | In Downey | |
| Oxford Gardena Window Installation | 5.0★ (2) | 11 mi |
| Prestige Master Builders, Inc. | In Downey | |
| Sears Window Replacement | 3.0★ (2) | In Downey |
| Valencia's General Contractors Inc. | In Downey | |
| Vasitos Construction | 5.0★ (2) | 13 mi |
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 678 Downey 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 Downey 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 |