65/100CR Score
Ranked #1 because of its Google rating and trade focus: 5.0★ from 46 Google reviews, listed on Google as “Window cleaning service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Best Window Cleaners in San Luis Obispo, CA (2026)
11 window cleaners ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in San Luis Obispo: Bright Side SLO, CR Score 65/100; 5.0★ from 46 Google reviews; open 24/7.
- 3
Most-reviewed: Clearview San Luis Obispo, 245 Google reviews at 5.0★, the most of 11 ranked; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
11 San Luis Obispo window cleaners are ranked here by CR Score, from ten published factors. 1 is open 24/7, 7 open Saturdays and 4 open Sundays, based on posted hours. The median Google rating is 5.0★ across 11 rated businesses.
Top 10 window cleaners in San Luis Obispo at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Bright Side SLO | 65 | 5.0★ (46) | San Luis Obispo | 24/7 | Overall |
| 2 | Essentials Window Cleaning | 58 | 5.0★ (4) | San Luis Obispo | Sat · Sun · Evenings | — |
| 3 | Clearview San Luis Obispo | 57 | 5.0★ (245) | San Luis Obispo | — | Most reviews |
| 4 | Pop's Soft Wash and Window Cleaning | 56 | 5.0★ (66) | Oceano, 6 mi away | Sat | — |
| 5 | SLO Splash Bros. | 55 | 5.0★ (17) | San Luis Obispo | Sat · Sun | — |
| 6 | Sunny Duck Pressure Washing, LLC | 54 | 5.0★ (3) | Santa Maria, 5 mi away | Sat | — |
| 7 | Central Coast Window Cleaning Inc | 54 | 4.0★ (3) | San Luis Obispo | — | — |
| 8 | City Wide Facility Solutions - Central Coast | 53 | 5.0★ (7) | San Luis Obispo | Sat · Sun | — |
| 9 | Crystal Clean A1 Window Cleaning Services Inc. | 53 | 5.0★ (3) | San Luis Obispo | Sat | — |
| 10 | Pacific Building Care Janitorial | 50 | 5.0★ (6) | San Luis Obispo | Evenings | — |
The 11 best window cleaners in San Luis Obispo, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in San Luis Obispo
58/100CR ScoreRanked #2 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Window cleaning service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in San Luis Obispo
57/100CR ScoreRanked #3 because of its Google rating and review volume: 5.0★ from 245 Google reviews, the most in San Luis Obispo.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Oceano, 6 mi away
56/100CR ScoreRanked #4 because of its Google rating and review volume: 5.0★ from 66 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in San Luis Obispo
55/100CR ScoreRanked #5 because of its Google rating and review volume: 5.0★ from 17 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Santa Maria, 5 mi away
54/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Window cleaning service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in San Luis Obispo
54/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.0★ from 3 Google reviews, listed on Google as “Window cleaning service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in San Luis Obispo
53/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Janitorial service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in San Luis Obispo
53/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Pressure washing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in San Luis Obispo
50/100CR ScoreRanked #10 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Janitorial service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Arroyo Grande, 15 mi away
48/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Gutter cleaning service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Also serving San Luis Obispo
5 more window cleaners within 15 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 |
|---|---|---|
| Central Coast Elbow Grease | 7 mi | |
| Chris waller and sons window and gutter services | In San Luis Obispo | |
| DesertGlassCleaning | 12 mi | |
| Jeff M. Window Cleaning | 5.0★ (2) | 12 mi |
| Squeeky | 5 mi |
How we ranked San Luis Obispo window cleaners
We scored 11 San Luis Obispo window cleaners 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 November 3, 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 San Luis Obispo 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 |
Window cleaners in San Luis Obispo: frequently asked questions
Who is the best window cleaner in San Luis Obispo?
By CR Score, the highest-ranked window cleaner in San Luis Obispo, CA is Bright Side SLO with a CR Score of 65/100. It has 5.0★ from 46 Google reviews. It is open 24/7. Essentials Window Cleaning (#2) and Clearview San Luis Obispo (#3) follow. We ranked 11 window cleaners on ten factors, last updated November 3, 2026.
How many window cleaners are there in San Luis Obispo?
ContractorsRanked ranks 11 window cleaners serving San Luis Obispo, CA. 8 of them are based in San Luis Obispo; the rest serve it from nearby towns. Another 5 within 15 mi are listed but not ranked yet. Counts are as of November 2026.
Which window cleaners in San Luis Obispo are open 24/7?
1 ranked window cleaner in San Luis Obispo posts 24/7 hours. The highest-ranked is Bright Side SLO (#1). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which window cleaners in San Luis Obispo work on weekends?
7 of 11 ranked window cleaners post Saturday hours and 4 post Sunday hours. The highest-ranked open Saturdays are Bright Side SLO (#1), Essentials Window Cleaning (#2) and Pop's Soft Wash and Window Cleaning (#4). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do San Luis Obispo window cleaners have?
The median Google rating among 11 rated window cleaners in San Luis Obispo is 5.0★, with a median of 7 reviews. Clearview San Luis Obispo has the most, 245 reviews, and ranks #3. We adjust ratings for review count, so a few five-star reviews cannot top the list.
How does ContractorsRanked rank window cleaners?
Each window cleaner gets a 0–100 CR Score from ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Do window cleaners outside San Luis Obispo count in this ranking?
Yes, if they are within 15 mi of the San Luis Obispo city center, our service radius for window cleaners. Each listing shows where the business is based and how far away it is. Proximity is 5% of the CR Score, so a nearby business gets a small edge.
Can window cleaners pay to rank higher on ContractorsRanked?
No. The CR Score never reads payment status, and this ranking has 0 paid placements. Up to 3 Featured businesses may appear above the list, labelled Featured and showing their honest rank.
Update log for San Luis Obispo
- November 2026: CR Scores recalculated for 11 window cleaners serving San Luis Obispo.
- November 2026: 4 duplicate listings merged.
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