Best Internet Providers in San Quentin, CA
All 3 providers, ranked by coverage, speed and customer ratings
Find internet availability by address in San Quentin, CA
San Quentin has 3 internet service providers, they are sorted by coverage, available speed, and customer rating from our unbiased internet provider report. Cable and Fixed Wireless internet are available in the city. Reviews are grouped by provider and the type of service they offer, covering all 2 available internet technologies in San Quentin.
Ranks compare San Quentin with the 15,682 US towns of 1,000 to 9,999 people, the tiers of our fastest-cities rankings.
The Best Internet in San Quentin, CA at a Glance
San Quentin Internet Providers, Ranked by Coverage, Speed and Customer Ratings
XFINITY
Connection
Customer Rating
Cable
Unwired
Connection
Customer Rating
Fixed Wireless
Verizon
Connection
Customer Rating
Fixed Wireless
Providers with less than 1% coverage in this city are excluded from the list. To see if one of these providers is available at your home, please use the address search above.
Speed and technology may vary by address for all providers. Please note we may have a financial relationship with some of the providers above, which does not impact the customer ratings displayed. Customer ratings listed above are national ratings, local San Quentin ratings may vary and are shown below.
Who is the Best Internet Provider in San Quentin, CA?
XFINITY from Comcast is the highest-rated internet provider in San Quentin based on 240 California customer reviews, and Unwired has the highest rating nationwide. The provider information above and the information immediately below can help you decide. Compare provider ratings and review counts above.
Click here to get XFINITY from Comcast
or call 1-877-244-3013
Which Providers are Available at my Home in San Quentin?
Coverage changes block by block. Pick a provider and a technology to see where its service reaches: the darker the area, the larger the share of homes it covers. For your exact address, use the address search above.

Coverage map for each provider in San Quentin
How San Quentin Compares to Places Its Size
San Quentin's report card score is in the bottom 6% and its connectivity index is in the top 1%.
| Measure | San Quentin | Rank among US towns of 1,000 to 9,999 people | Marin County | California | US | Leader |
|---|---|---|---|---|---|---|
| ISP Report Card inputs: what providers offer here | ||||||
| Fiber availability | 0.0% | bottom 8% | 59.4% | 62.4% | 71.5% | 1,056 places at 100.0% |
| Average top speed | 2,000 Mbps | top 31% | 3,669 Mbps | 3,834 Mbps | 3,486 Mbps | Collegedale, TN and Lakesite, TN and 2 more (25,000 Mbps) |
| Providers at a typical address | 2.1 | bottom 3% | 7.5 | 8 | 7.1 | McLendon-Chisholm, TX (14.2) |
| Connectivity index inputs: how much households need and use the internet | ||||||
| People per household | 5.6 | top 1% | 2.6 | 3.0 | 2.7 | St. George, GA (6.2) |
| Workers who work from home | 33% | top 2% | 32% | 17% | 15% | Indian Springs, NV (76%) |
| Homes with a computer, tablet or phone | 100% | top 1% | 98% | 97% | 96% | Tied with 514 other places at 100% |
| Homes with internet | 100% | top 1% | 96% | 94% | 91% | Tied with 114 other places at 100% |
| Homes on fiber, cable or DSL | 98% | top 1% | 86% | 79% | 76% | Bunkerville, NV and Fort Myer, VA and 3 more (100%) |
| More about the households here | ||||||
| Homes with a desktop or laptop | 98% | top 1% | 90% | 84% | 81% | 12 places at 100% |
| Median household income | $115,495 | top 11% | $160,966 | $111,728 | $93,246 | 16 places at $250,001 |
| Residents in school (6th grade to college) | 18% | top 9% | 15% | 17% | 16% | University Park, PA (95%) |
Fiber reaches 0.0% of homes in San Quentin, against 59.4% across Marin County and 62.4% across California. Households in San Quentin are larger than the US average (5.6 people against 2.7); 33% of workers work from home (US 15%); and the median household income is $115,495 (US $93,246).
Our demographic data is sourced from the latest 5-year release of the American Community Survey by the US Census Bureau.
Fiber, 5G, Cable and DSL Internet in San Quentin
Which Fiber Internet Providers are Available in San Quentin?
According to the most recently submitted data by internet service providers to the FCC, there are currently no fiber providers available in San Quentin, CA.
Which Fixed Wireless and LTE Internet Providers are Available in San Quentin?
Unwired Fixed Wireless in San Quentin, CA
Unwired offers Fixed Wireless service to 98.5% of San Quentin homes. Across the city, Unwired Fixed Wireless is the only type of service available from the company, with speeds up to 300 Mbps
Verizon Fixed Wireless in San Quentin, CA
Verizon offers Fixed Wireless service to 13.7% of San Quentin homes. Across the city, Verizon Fixed Wireless is the only type of service available from the company, with speeds up to 290 Mbps, with speeds from 25 Mpbs up to 300 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 6.0 and as high as 20, with an average of 20 Mbps throughout the city.
Which Cable Internet Providers are Available in San Quentin?
Which DSL Internet Providers are Available in San Quentin?
According to the most recently submitted data by internet service providers to the FCC, there are currently no DSL providers available in San Quentin, CA.
Internet in San Quentin by Neighborhood and ZIP Code
San Quentin has 1 ZIP code with its own page. Each row links to that place’s page.
Neighborhoods in San Quentin
| Neighborhood | People | Homes with fiber | Average top speed | Providers at a typical address | Report card | Connectivity |
|---|
ZIP codes in San Quentin
| ZIP code | People | Homes with fiber | Average top speed | Providers at a typical address | Report card | Connectivity |
|---|---|---|---|---|---|---|
| 94964 | 4,284 | 0.0% | 2,000 Mbps | 2.1 | D | 99/100 |
How San Quentin Compares to Nearby Places
The 10 places nearest to San Quentin that have their own pages are all within 5 miles. Among them, Ross has the most homes with fiber (89.5%) and Belvedere-Tiburon the fewest (0.0%); San Quentin has 0.0%.
| Place | People | Homes with fiber | Average top speed | Providers at a typical address | Report card | Connectivity |
|---|---|---|---|---|---|---|
| San Quentin (this page) | 4,284 | 0.0% | 2,000 Mbps | 2.1 | D | 99/100 |
| San Rafael | 70,581 | 56.7% | 4,968 Mbps | 8.1 | B | 84/100 |
| Mill Valley | 19,654 | 72.1% | 4,128 Mbps | 8.5 | B+ | 85/100 |
| Larkspur | 12,494 | 64.4% | 3,578 Mbps | 8.1 | B | 81/100 |
| Tamalpais-Homestead Valley | 11,492 | 85.6% | 4,516 Mbps | 8.2 | B+ | 91/100 |
| Corte Madera | 10,222 | 73.5% | 4,112 Mbps | 7.7 | B+ | 87/100 |
| Tiburon | 8,482 | 0.0% | 1,881 Mbps | 8.4 | C+ | 92/100 |
| Kentfield | 6,466 | 65.2% | 3,769 Mbps | 8.5 | B+ | 78/100 |
| Ross | 5,222 | 89.5% | 6,062 Mbps | 9.1 | A- | 93/100 |
| Belvedere-Tiburon | 2,301 | 0.0% | 1,713 Mbps | 8.2 | C | 95/100 |
| Greenbrae | 258 | 43.4% | 3,302 Mbps | 8 | B | 83/100 |
Who is the Fastest Internet Provider in San Quentin?
Based on both FCC data and unbiased customer ratings, the fastest internet in the city comes from XFINITY from Comcast.
Data Reported to FCC by ISPs: Average Maximum Available in San Quentin
| XFINITY from Comcast | 2,000 |
|---|---|
| Unwired | 300 |
| Verizon | 300 |
| Viasat | 100 |
| HughesNet | 25 |
How fast is your internet?
Test your connection here and see it next to the speeds providers advertise in San Quentin. It takes about 20 seconds and, on a fast line, can move a few hundred MB of data.
Customer Ratings for San Quentin Internet Providers
Based on 240 reviews from California internet customers, XFINITY from Comcast is the best internet service provider for San Quentin residents. XFINITY from Comcast was rated at an average of 3.43 out of 5 in our report for overall customer satisfaction. Unwired wins for second-place in California, with 1.00 out of 5 stars and 98.5% coverage in San Quentin.
At a national level, based on 3196 national reviews for any of the providers listed above, Unwired is rated higher than any other provider, with a rating of 1.00 out of 5.
Local, State, and National Ratings for all San Quentin Internet Providers
The table below shows average customer ratings from customers in San Quentin, California, and customers throughout the country.
| ISP / Tech Type | San Quentin Overall | California Overall | National Overall | For Service | ||
|---|---|---|---|---|---|---|
| Verizon | (0) | (28) | (816) | View Plans | ||
| HughesNet | (0) | (1) | (25) | View Plans | ||
| Viasat | (0) | (1) | (12) | View Plans | ||
| XFINITY | (0) | (211) | (2379) | View Plans | ||
| Unwired | (0) | (1) | (1) | View Plans |
Customer Ratings for Internet Provider Speeds in San Quentin
Based on data reported by San Quentin ISPs to the FCC, the fastest speeds in the city are available through XFINITY from Comcast. The company offers speeds up to 2,000 Mbps in San Quentin. Therefore, the average customer can get up to 2,000 Mbps if they’re willing to purchase the fastest subscription tier available at their homes.
Additionally, actual customers rated their satisfaction with internet speed highest with XFINITY from Comcast. This indicates XFINITY reliably delivers speeds expected by the customer based on the plan they are paying for.
| ISP / Tech Type | San Quentin Speed | California Speed | National Speed | For Service | ||
|---|---|---|---|---|---|---|
| XFINITY | (0) | (211) | (2379) | View Plans | ||
| Verizon | (0) | (28) | (816) | View Plans | ||
| HughesNet | (0) | (1) | (25) | View Plans | ||
| Unwired | (0) | (1) | (1) | View Plans | ||
| Viasat | (0) | (1) | (12) | View Plans |
Who is the Cheapest Internet Provider in San Quentin?
Of the providers in San Quentin, customers rate Unwired the best for price. Data comes from customers rating their satisfaction with pricing: in San Quentin where enough of them have reviewed a provider, otherwise across California or the country. This feedback is valuable because it considers price changes and whether the speeds paid for are worth it.
Unwired is rated 1.00 out of 5 for price, which is much lower than the average across all internet providers in the country. XFINITY from Comcast is rated second for affordability, with an average price rating of 3.09 out of 5.
The table below shows how customers in San Quentin, California, and the United States rated the affordability of their internet service.
Rated Affordability in San Quentin
| ISP / Tech Type | San Quentin Affordability | California Affordability | National Affordability | For Service | ||
|---|---|---|---|---|---|---|
| Verizon | (0) | (28) | (816) | View Plans | ||
| HughesNet | (0) | (1) | (25) | View Plans | ||
| Viasat | (0) | (1) | (12) | View Plans | ||
| Unwired | (0) | (1) | (1) | View Plans | ||
| XFINITY | (0) | (211) | (2379) | View Plans |
Customer Reviews for Internet Service Providers in California
Customer Reviews
Steve
ting Fiber
November 13, 2026 Slow, 1/10th the speed they advertised
Robert
Verizon Fixed Wireless
November 10, 2026 Was cut off with .out notice due to upgrade and was not provided connection to upgrade from the same location (tower). Causing further problems in service and added cost.
ISPReports User
AT&T DSL
November 08, 2026 Lousy
ISPReports User
Fidium
November 08, 2026 Vernice
Frontier Fiber
November 01, 2026 Horrible this is horrible. My internet has been down for two days in a half. Never again
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Which ISP Should You Choose in San Quentin?
The right ISP for you depends upon your needs, but in general we can make the following suggestions:
- The best all-around internet service provider in San Quentin is XFINITY.
- The fastest internet provider should be XFINITY from Comcast. Considering speed for the money and reliability in speeds, XFINITY from Comcast may be a better choice based on real-world local customer feedback.
- The most affordable internet provider in San Quentin is Unwired.
- XFINITY from Comcast, Viasat, and HughesNet has the broadest coverage in San Quentin, available to 99.1% of homes, and is most likely to cover your home. To find out exactly what’s available at your home, please use our address search tool.
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