21 window installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Los Osos: SLO Shutters, CR Score 85/100; 5.0★ from 76 Google reviews; open Saturdays until 5 PM.
Most-reviewed: Paso Robles Glass, 115 Google reviews at 4.8★, the most of 21 ranked; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
21 Los Osos window installers are ranked here by CR Score, from 8 published factors. 4 open Saturdays, based on posted hours. The median Google rating is 4.7★ across 21 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | SLO Shutters | 85 | 5.0★ (76) | Atascadero, 15 mi away | Sat | Overall |
| 2 | Pop's Soft Wash and Window Cleaning | 81 | 5.0★ (66) | Oceano, 16 mi away | Sat | — |
| 3 | Paso Robles Glass | 80 | 4.8★ (115) | Paso Robles, 24 mi away | — | Most reviews |
| 4 | A-Town Glass & window | 80 | 4.6★ (10) | Atascadero, 15 mi away | — | — |
| 5 | Los Osos Glass Inc. | 79 | 4.4★ (21) | Los Osos | — | — |
| 6 | Arroyo Grande Glass & Mirror | 78 | 4.7★ (47) | Arroyo Grande, 19 mi away | — | — |
| 7 | Aggson's Glass Co. | 75 | 3.9★ (18) | San Luis Obispo, 11 mi away | — | — |
| 8 | Artistic Glass | 75 | 5.0★ (9) | Atascadero, 16 mi away | — | — |
| 9 | France Resolution Window Cleaning | 74 | 5.0★ (9) | Arroyo Grande, 22 mi away | — | — |
| 10 | 5 Cities Mobile Screen and Home Services | 74 | 4.6★ (10) | Arroyo Grande, 18 mi away | — | — |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and trade focus: 5.0★ from 76 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Oceano, 16 mi away
Ranked #2 because of its Google rating and review volume: 5.0★ from 66 Google reviews, 66 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Paso Robles, 24 mi away
Ranked #3 because of its Google rating and review volume: 4.8★ from 115 Google reviews, the most Google reviews on this list (115).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Atascadero, 15 mi away
Ranked #4 because of its Google rating and trade focus: 4.6★ from 10 Google reviews, listed on Google as “Window installation service”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Los Osos
Ranked #5 because of its Google rating and trade focus: 4.4★ from 21 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Arroyo Grande, 19 mi away
Ranked #6 because of its Google rating and trade focus: 4.7★ from 47 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in San Luis Obispo, 11 mi away
Ranked #7 because of its Google rating and trade focus: 3.9★ from 18 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Atascadero, 16 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Arroyo Grande, 22 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Gutter cleaning service”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Arroyo Grande, 18 mi away
Ranked #10 because of its Google rating and trade focus: 4.6★ from 10 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Santa Maria, 35 mi away
Ranked #11 because of its Google rating and trade focus: 4.6★ from 28 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Santa Maria, 34 mi away
Ranked #12 because of its Google rating and trade focus: 4.3★ from 49 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in San Luis Obispo, 11 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 on 6 of 8 factors; credentials and recency not yet collected.
Based in Paso Robles, 21 mi away
Ranked #14 because of its Google rating and trade focus: 4.1★ from 9 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in San Luis Obispo, 10 mi away
Ranked #15 because of its Google rating and review volume: 4.5★ from 13 Google reviews, 13 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Santa Maria, 35 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in San Luis Obispo, 11 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 on 6 of 8 factors; credentials and recency not yet collected.
Based in Oceano, 19 mi away
Ranked #18 because of its Google rating and trade focus: 4.0★ from 9 Google reviews, listed on Google as “Contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Orcutt, 38 mi away
Ranked #19 because of its Google rating and review volume: 4.5★ from 16 Google reviews, 16 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Orcutt, 38 mi away
Ranked #20 because of its Google rating and review volume: 5.0★ from 20 Google reviews, 20 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Santa Maria, 36 mi away
Ranked #21 because of its Google rating and review volume: 4.7★ from 20 Google reviews, 20 Google reviews.
Based on 6 of 8 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 |
|---|---|---|
| 3 Day Blinds | 3.0★ (2) | 20 mi |
| 3 Day Blinds | 6 mi | |
| A Little of This & That LLC | 4.7★ (20) | In Los Osos |
| B & B Overhead Doors | 4.9★ (35) | In Los Osos |
| California Joe's Paint Co Inc | 5.0★ (23) | In Los Osos |
| Cri & Associates General Contracting | 5.0★ (3) | In Los Osos |
| Cuesta Homes LLC | 5.0★ (2) | In Los Osos |
| Elements Home Design | 5.0★ (2) | 18 mi |
| Estero Glass | 5 mi | |
| Gellerman Construction | 5.0★ (3) | In Los Osos |
| Jeff M. Window Cleaning | 5.0★ (2) | 21 mi |
| JLS Construction | 5.0★ (2) | In Los Osos |
| Nowhere Bound, Adventure Vehicle Customs & Solar | 5.0★ (1) | 19 mi |
| Radco Home Improvement | 1.0★ (1) | 35 mi |
| Rock Solid Creations | 3.5★ (2) | In Los Osos |
| RV Glass Specialists | 1.0★ (1) | 21 mi |
| Schalwitz Construction Company | In Los Osos | |
| Sears Heating and Air Conditioning | 1.0★ (1) | 18 mi |
| Soleil Floors & Design | 5.0★ (1) | 24 mi |
| TRB Windows | In Los Osos |
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 21 Los Osos 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 Los Osos 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 |