694 window installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Monrovia: Renewal by Andersen of Greater Los Angeles -Torrance, CR Score 62/100; 4.8★ from 1,837 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): Big Wave Window, posts 24/7 hours; ranked #3 of 694.
Most-reviewed: Sliding Door Repair Company, 484 Google reviews at 4.7★, the most of 694 ranked after Renewal by Andersen of Greater Los Angeles -Torrance; ranked #5.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
694 Monrovia window installers are ranked here by CR Score, from ten published factors. 47 are open 24/7, 432 open Saturdays and 202 open Sundays, based on posted hours. The median Google rating is 4.8★ across 694 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Renewal by Andersen of Greater Los Angeles -Torrance | 62 | 4.8★ (1,837) | Torrance, 27 mi away | Sat · Sun | Overall |
| 2 | Doctor Auto Glass | 61 | 4.8★ (313) | Arcadia, 3 mi away | Sat | — |
| 3 | Big Wave Window | 60 | 4.8★ (357) | Pasadena, 7 mi away | 24/7 | Emergencies |
| 4 | Window Wizards & Cleaning | 60 | 5.0★ (148) | Sierra Madre, 3 mi away | 24/7 | — |
| 5 | Sliding Door Repair Company | 60 | 4.7★ (484) | Anaheim, 21 mi away | Sat · Sun · Evenings | Most reviews |
| 6 | Jasper's Window Cleaning | 60 | 5.0★ (128) | Arcadia, 4 mi away | 24/7 | — |
| 7 | Los Angeles Mobile Screens | 59 | 5.0★ (88) | Arcadia, 2 mi away | Sat | — |
| 8 | D&R Auto Glass | 59 | 4.9★ (121) | Pasadena, 5 mi away | Sat · Evenings | — |
| 9 | SaveCal | 59 | 4.5★ (230) | Los Angeles, 11 mi away | Sat · Sun · Evenings | — |
| 10 | Bear Windows Inc | 59 | 4.8★ (66) | South El Monte, 7 mi away | Sat · Sun · 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 in Monrovia
Based in Torrance, 27 mi away
Ranked #1 because of its Google rating and review volume: 4.8★ from 1,837 Google reviews, the most in Monrovia.
Based in Arcadia, 3 mi away
Ranked #2 because of its Google rating and trade focus: 4.8★ from 313 Google reviews, listed on Google as “Window installation service”.
Based in Pasadena, 7 mi away
Ranked #3 because of its Google rating and review volume: 4.8★ from 357 Google reviews.
Based in Sierra Madre, 3 mi away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 148 Google reviews, listed on Google as “Gutter cleaning service”.
Based in Anaheim, 21 mi away
Ranked #5 because of its Google rating and trade focus: 4.7★ from 484 Google reviews, listed on Google as “Window installation service”.
Based in Arcadia, 4 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 128 Google reviews, listed on Google as “Gutter cleaning service”.
Based in Arcadia, 2 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 88 Google reviews, listed on Google as “Window installation service”.
Based in Pasadena, 5 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 121 Google reviews, listed on Google as “Window installation service”.
Based in Los Angeles, 11 mi away
Ranked #9 because of its Google rating and trade focus: 4.5★ from 230 Google reviews, listed on Google as “Window installation service”.
Based in South El Monte, 7 mi away
Ranked #10 because of its Google rating and trade focus: 4.8★ from 66 Google reviews, listed on Google as “Window installation service”.
Based in Pomona, 17 mi away
Ranked #11 because of its Google rating and trade focus: 4.8★ from 421 Google reviews, listed on Google as “Window installation service”.
Based in Maywood, 15 mi away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 105 Google reviews, listed on Google as “Window installation service”.
Based in La Verne, 13 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 69 Google reviews, listed on Google as “Window installation service”.
Based in Glendora, 8 mi away
Ranked #14 because of its Google rating and trade focus: 4.9★ from 120 Google reviews, listed on Google as “Window installation service”.
Based in Santa Ana, 28 mi away
Ranked #15 because of its Google rating and trade focus: 4.7★ from 457 Google reviews, listed on Google as “Window installation service”.
Based in Baldwin Park, 9 mi away
Ranked #16 because of its Google rating and trade focus: 4.8★ from 22 Google reviews, listed on Google as “Window installation service”.
Based in Los Angeles, 19 mi away
Ranked #17 because of its Google rating and trade focus: 4.8★ from 117 Google reviews, listed on Google as “Window installation service”.
Based in Torrance, 28 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 333 Google reviews, listed on Google as “Window installation service”.
Based in Glendora, 9 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 200 Google reviews, listed on Google as “Window installation service”.
Based in Compton, 22 mi away
Ranked #20 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, 18 mi away
Ranked #21 because of its Google rating and trade focus: 4.9★ from 32 Google reviews, listed on Google as “Window installation service”.
Based in Los Angeles, 26 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 114 Google reviews, listed on Google as “Window installation service”.
Based in Anaheim, 22 mi away
Ranked #23 because of its Google rating and trade focus: 4.8★ from 132 Google reviews, listed on Google as “Window installation service”.
Based in Baldwin Park, 5 mi away
Ranked #24 because of its Google rating and trade focus: 4.4★ from 64 Google reviews, listed on Google as “Window installation service”.
Based in West Hollywood, 22 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 165 Google reviews, listed on Google as “Window installation service”.
#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 694 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) | 21 mi |
| ADU California Modern Design | 3.0★ (2) | 20 mi |
| Albert Window Company Los Angeles | 4.5★ (2) | 16 mi |
| Animas Glass | 5.0★ (2) | 2 mi |
| B K Window Cleaning | 5.0★ (2) | 12 mi |
| BGSC at Hacienda Heights | 5.0★ (2) | 11 mi |
| D P Door Company, Inc. | 5.0★ (2) | 16 mi |
| Dome Window Installation Alhambra | 3.0★ (2) | 9 mi |
| El Monte Auto Glass Repair | 3.0★ (2) | 14 mi |
| Five Star Flooring and Window Covering | 5.0★ (2) | 18 mi |
| JC Construction | 1.0★ (2) | 20 mi |
| JJ Shower Door | 5.0★ (2) | 8 mi |
| Pasadena Premier Windows | 3.0★ (2) | 7 mi |
| Sears Heating and Air Conditioning | 5.0★ (2) | 18 mi |
| Sears Heating and Air Conditioning | 5.0★ (2) | 21 mi |
| Sears Window Replacement | 3.0★ (2) | 16 mi |
| Squeegee Pro - Claremont | Window Cleaning & Pressure Washing | 3.0★ (2) | 16 mi |
| Towne & Country Design, Inc | 5.0★ (2) | 21 mi |
| Vasitos Construction | 5.0★ (2) | 9 mi |
| Woody's Windows &Doors (previously San Gabriel Sash & Door | In Monrovia |
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 694 Monrovia 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 Monrovia 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 |