Internet providers in San Anselmo, CA
San Anselmo is a town in California with about 12,711 residents and roughly 5,855 residential locations that internet providers can report on. The table below compares the providers that report service here.
Compare internet providers in San Anselmo, CA
Share of residential locations in San Anselmo where each provider reports service, from the FCC National Broadband Map (data as of December 31, 2025). Availability depends on your exact address.
| # | Provider | Technology (varies by address) | Locations covered | |
|---|---|---|---|---|
| 1 | Xfinity | Cable | 99% | |
| 2 | AT&T | Fiber, DSL, Fixed wireless | 97% | Check availability |
| 3 | Verizon | Fiber, Fixed wireless | 85% | Check availability |
| 4 | T-Mobile Home Internet | Fixed wireless | 44% | |
| 5 | Unwired | Fixed wireless | 32% | |
| 6 | Sonic Telecom | Fiber | 7% |
Satellite internet
| 1 | HughesNet | Satellite | 99%+ | |
| 2 | Viasat | Satellite | 99%+ | |
| 3 | Starlink | Satellite | 99%+ |
Satellite service is available at nearly every address but typically has higher latency than wired options.
Provider-reported coverage does not guarantee service or speeds at a specific address. Some "Check availability" links are affiliate links; we may earn a commission at no cost to you. How we make money.
What to know about internet in San Anselmo
Xfinity reports service to the most residential locations in San Anselmo, about 99%. 3 providers report coverage of at least half of locations (Xfinity, AT&T, and Verizon), so the market looks competitive. Fiber-focused providers reporting service here include Sonic Telecom (7%). T-Mobile Home Internet and Unwired offer fixed wireless home internet, an option if you prefer no cable or fiber installation.
What technologies are available in San Anselmo?
Fiber is widely available: about 65% of locations in San Anselmo can get it. Gigabit-class service (1,000 Mbps down) is reported for about 81% of locations. DSL is still reported for about 53% of locations, which can be a fallback where fiber and cable do not reach. Fixed wireless home internet is reported for about 92% of locations.
FCC National Broadband Map, data as of December 31, 2025: share of residential locations in San Anselmo that providers report they can serve. City-level figures, not your address.
San Anselmo at a glance
About 97% of households in San Anselmo have a broadband subscription, 5 points above the California average of 92%.
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2023).
Internet providers in places near San Anselmo
- San Rafael, CA (3 mi)
- Larkspur, CA (4 mi)
- Mill Valley, CA (5 mi)
- Novato, CA (7 mi)
- Tiburon, CA (9 mi)
- Sausalito, CA (10 mi)
- Richmond, CA (12 mi)
- San Pablo, CA (12 mi)
- Pinole, CA (14 mi)
- El Sobrante, CA (15 mi)
- Albany, CA (15 mi)
- El Cerrito, CA (15 mi)
- Hercules, CA (16 mi)
- Berkeley, CA (17 mi)
- Emeryville, CA (18 mi)
- Petaluma, CA (18 mi)
- Vallejo, CA (19 mi)
- Daly City, CA (21 mi)
- Piedmont, CA (22 mi)
- American Canyon, CA (22 mi)
Frequently asked questions
Is fiber internet available in San Anselmo?
Yes, in part. About 65% of residential locations in San Anselmo can get fiber, 99% can get cable, and about 81% can get gigabit-class speeds, per FCC data. Availability depends on your exact address.
Which internet provider has the widest coverage in San Anselmo?
Xfinity reports service to about 99% of residential locations in San Anselmo, the most of any provider, per FCC data. Availability still depends on your address.
How many internet providers serve San Anselmo?
6 providers report service to at least 2% of locations in San Anselmo, and 3 cover at least half. Satellite (HughesNet, Viasat, Starlink) is also available nearly everywhere.
Is there fiber internet in San Anselmo?
Fiber providers reporting service in San Anselmo include Sonic Telecom (7% of locations). Other providers may also offer fiber in parts of the city, so check your address.
What is the difference between fiber, cable and DSL?
Fiber offers the fastest and most consistent speeds, cable is widely available with high download speeds, and DSL runs over phone lines and is usually slower. See our guide for details.
What internet speed do I need in San Anselmo?
Most households are well served by 100–300 Mbps. Heavy streaming, gaming or many connected devices may benefit from 500 Mbps or more.
Check your exact address
Coverage for a whole community cannot tell you what is available at your door. Enter your ZIP code, then confirm with each provider.
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