64/100CR Score
Ranked #1 because of its Google rating and trade focus: 5.0★ from 160 Google reviews, listed on Google as “Window cleaning service”.
Best Window Cleaners in South San Francisco, CA (2026)
81 window cleaners ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in South San Francisco: SpotFree Window Cleaning, CR Score 64/100; 5.0★ from 160 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): WC Clearise, posts 24/7 hours; ranked #2 of 81.
- 34
Most-reviewed: Innovation Cleaning Services - Redwood City, 378 Google reviews at 4.5★, the most of 81 ranked; ranked #34.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
81 South San Francisco window cleaners are ranked here by CR Score, from ten published factors. 20 are open 24/7, 62 open Saturdays and 36 open Sundays, based on posted hours. The median Google rating is 5.0★ across 81 rated businesses.
Top 10 window cleaners in South San Francisco at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | SpotFree Window Cleaning | 64 | 5.0★ (160) | Hayward, 6 mi away | 24/7 | Overall |
| 2 | WC Clearise | 62 | 5.0★ (34) | South San Francisco | 24/7 | Emergencies |
| 3 | Innovation Cleaning Services - San Francisco | 61 | 5.0★ (14) | South San Francisco | 24/7 | — |
| 4 | SHINESCAPEHOMES LLC | 61 | 5.0★ (114) | San Francisco, 8 mi away | Sat · Sun · Evenings | — |
| 5 | Peak Shine Window Cleaning | 61 | 5.0★ (23) | South San Francisco | Sat · Sun · Evenings | — |
| 6 | ax Cleaning Service | 61 | 4.8★ (12) | South San Francisco | 24/7 | — |
| 7 | In The Bay Cleaning | 60 | 5.0★ (38) | Daly City, 9 mi away | 24/7 | — |
| 8 | Honey Bees Home Cleaning | 59 | 5.0★ (97) | Belmont, 11 mi away | Sat · Sun · Evenings | — |
| 9 | Eagle Window Cleaning SF | 59 | 5.0★ (130) | San Francisco, 9 mi away | Sat | — |
| 10 | Window Doctor | 59 | 5.0★ (94) | San Francisco, 9 mi away | Sat | — |
The 81 best window cleaners in South San Francisco, ranked
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.
#2 WC Clearise
Based in South San Francisco
62/100CR ScoreRanked #2 because of its Google rating and trade focus: 5.0★ from 34 Google reviews, listed on Google as “Window cleaning service”.
Based in South San Francisco
61/100CR ScoreRanked #3 because of its Google rating and trade focus: 5.0★ from 14 Google reviews, listed on Google as “Window cleaning service”.
Based in San Francisco, 8 mi away
61/100CR ScoreRanked #4 because of its Google rating and trade focus: 5.0★ from 114 Google reviews, listed on Google as “Window cleaning service”.
Based in South San Francisco
61/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 23 Google reviews, listed on Google as “Window cleaning service”.
Based in South San Francisco
61/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.8★ from 12 Google reviews, listed on Google as “Window cleaning service”.
Based in Daly City, 9 mi away
60/100CR ScoreRanked #7 because of its Google rating and trade focus: 5.0★ from 38 Google reviews, listed on Google as “Window cleaning service”.
Based in Belmont, 11 mi away
59/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ from 97 Google reviews, listed on Google as “Window cleaning service”.
Based in San Francisco, 9 mi away
59/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 130 Google reviews, listed on Google as “Window cleaning service”.
#10 Window Doctor
Based in San Francisco, 9 mi away
59/100CR ScoreRanked #10 because of its Google rating and trade focus: 5.0★ from 94 Google reviews, listed on Google as “Window cleaning service”.
Based in Daly City, 3 mi away
58/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Window cleaning service”.
Based in San Bruno, 2 mi away
58/100CR ScoreRanked #12 because of its Google rating and review volume: 4.9★ from 96 Google reviews.
Based in Foster City, 10 mi away
58/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.8★ from 63 Google reviews, listed on Google as “Window cleaning service”.
Based in Daly City, 6 mi away
58/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 18 Google reviews, listed on Google as “Window cleaning service”.
Based in San Francisco, 5 mi away
58/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.8★ from 96 Google reviews, listed on Google as “Window cleaning service”.
#16 Window Doctor
Based in San Francisco, 6 mi away
58/100CR ScoreRanked #16 because of its Google rating and trade focus: 5.0★ from 18 Google reviews, listed on Google as “Window cleaning service”.
Based in San Francisco, 6 mi away
58/100CR ScoreRanked #17 because of its Google rating and review volume: 4.9★ from 172 Google reviews.
Based in Fremont, 10 mi away
58/100CR ScoreRanked #18 because of its Google rating and trade focus: 5.0★ from 72 Google reviews, listed on Google as “Window cleaning service”.
Based in San Francisco, 5 mi away
56/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.6★ from 9 Google reviews, listed on Google as “Window cleaning service”.
Based in San Mateo, 10 mi away
56/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 28 Google reviews, listed on Google as “Window cleaning service”.
Based in Milwaukee, 9 mi away
55/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.9★ from 31 Google reviews, listed on Google as “Pressure washing service”.
#22 Zoom Cleanings
Based in Stockton, 10 mi away
55/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.7★ from 13 Google reviews, listed on Google as “Window cleaning service”.
Based in Oakland, 13 mi away
55/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Window cleaning service”.
Based in Oakland, 14 mi away
55/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 18 Google reviews, listed on Google as “Window cleaning service”.
Based in Oakland, 13 mi away
55/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.6★ from 24 Google reviews, listed on Google as “Window cleaning service”.
Window cleaners ranked #26 to #50
#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 81 ranked window cleaners here; the rest are on their profiles.
Also serving South San Francisco
20 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.
How we ranked South San Francisco window cleaners
We scored 81 South San Francisco 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 South San Francisco 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 South San Francisco: frequently asked questions
Who is the best window cleaner in South San Francisco?
By CR Score, the highest-ranked window cleaner in South San Francisco, CA is SpotFree Window Cleaning with a CR Score of 64/100. It has 5.0★ from 160 Google reviews. It is open 24/7. WC Clearise (#2) and Innovation Cleaning Services - San Francisco (#3) follow. We ranked 81 window cleaners on ten factors, last updated November 3, 2026.
How many window cleaners are there in South San Francisco?
ContractorsRanked ranks 81 window cleaners serving South San Francisco, CA. 4 of them are based in South San Francisco; the rest serve it from nearby towns. Another 20 within 15 mi are listed but not ranked yet. Counts are as of November 2026.
Which window cleaners in South San Francisco are open 24/7?
20 ranked window cleaners in South San Francisco post 24/7 hours. The highest-ranked are SpotFree Window Cleaning (#1), WC Clearise (#2) and Innovation Cleaning Services - San Francisco (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which window cleaners in South San Francisco work on weekends?
62 of 81 ranked window cleaners post Saturday hours and 36 post Sunday hours. The highest-ranked open Saturdays are SpotFree Window Cleaning (#1), WC Clearise (#2) and Innovation Cleaning Services - San Francisco (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do South San Francisco window cleaners have?
The median Google rating among 81 rated window cleaners in South San Francisco is 5.0★, with a median of 18 reviews. Innovation Cleaning Services - Redwood City has the most, 378 reviews, and ranks #34. 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 South San Francisco count in this ranking?
Yes, if they are within 15 mi of the South San Francisco 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 South San Francisco
- November 2026: CR Scores recalculated for 81 window cleaners serving South San Francisco.
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