Find the Best Internet Providers in San Rafael CA
Compare fiber cable and 5G home internet from every provider available in San Rafael. See real pricing speeds and availability at your exact address from Downtown San Rafael to the Marin Civic Center to the residential blocks throughout this Marin County seat city.
Serving San Rafael zip codes 94901, 94903, and 94904.
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Providers Available
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Neighborhoods Covered
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Zip Codes
$30/mo
Starting Price/mo
Internet Providers Available in San Rafael CA
| Provider | Price | Speed | Type | Data Cap | Contract | Best For | |
|---|---|---|---|---|---|---|---|
| Xfinity | $30/mo | 2 Gbps | Cable | 1.2 TB | None | 99% San Rafael cable coverage | View Plans |
| AT&T Fiber | $55/mo | 5 Gbps | Fiber | None | None | Broad San Rafael fiber coverage with symmetric speeds | View Plans |
| Sonic | $49.99/mo | 10 Gbps | Fiber | None | None | Approximately 13% San Rafael fiber — active 10G buildout in progress | View Plans |
| EarthLink | $39.95/mo | 5 Gbps | Fiber | None | 12 months | Privacy-focused fiber on AT&T infrastructure | View Plans |
Provider availability on this page is verified against the FCC National Broadband Map (June 2025 data). Coverage is provider-reported and updated periodically.
Best Internet Providers in San Rafael CA
Xfinity
Xfinity's cable network covers an estimated 99% of San Rafael, the broad footprint that makes it the reliable choice. Plans begin at $30/mo for 75 Mbps and reach 2 Gbps, with a 1.2 TB cap (unlimited available for an added fee). Internet Essentials runs $9.95/mo for those who qualify. Call (888) 224-5870 for current San Rafael pricing.
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AT&T Fiber
AT&T Fiber has broad coverage in San Rafael. Plans start at $55/mo for 300 Mbps and go up to 5 Gbps with symmetric upload and download speeds. San Rafael is the Marin County seat — approximately 62000 residents — anchored by Downtown San Rafael substantial Marin County government workforce (the Marin Civic Center designed by Frank Lloyd Wright is one of California's notable architectural landmarks) substantial Hispanic-American population (one of the highest concentrations in Marin) Dominican University of California and notable affluent residential character throughout much of the city. Many San Rafael households qualify for Xfinity Internet Essentials at $9.95/mo. Call (888) 224-5870 for current pricing.
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Sonic
Sonic has approximately 13 percent fiber coverage in San Rafael with active 10G buildout in progress — Sonic confirmed in early 2024 it is constructing 10-gig fiber within the city limits of San Rafael and Novato. Plans start at $49.99/mo for 1 Gbps and go up to 10 Gbps with symmetric speeds no data caps no contracts. Sonic is a genuine local Northern California company headquartered in Santa Rosa with substantially better-rated customer service than national providers. Where available it is often the best choice. Call (888) 224-5870 to check Sonic at your San Rafael address.
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EarthLink
EarthLink offers fiber service in San Rafael over AT&T's fiber, paired with EarthLink's separate billing, customer service, and a privacy policy that doesn't monetize your browsing data. Expect $39.95/mo for 300 Mbps up to 5 Gbps, symmetric, usually with a 12-month price lock. Availability matches AT&T's fiber footprint, so it comes down to your specific address. Call (888) 224-5870 to compare EarthLink and AT&T at your San Rafael address.
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San Rafael Neighborhoods We Cover
Internet Service by San Rafael Neighborhood
Downtown San Rafael
Marin Civic Center
Terra Linda
Loch Lomond
Internet in San Rafael — What You Need to Know
San Rafael Is NOT a Spectrum Market
For San Rafael households researching internet: Spectrum does not operate in San Rafael. The cable provider is Xfinity (Comcast). The fiber providers are AT&T Fiber Sonic and EarthLink (EarthLink rides AT&T infrastructure). For San Rafael households the practical wired internet decisions are AT&T Fiber vs Xfinity cable — with Sonic fiber as a growing alternative. AT&T Fiber where available is typically the better wired choice — symmetric speeds and no data caps (Xfinity has a 1.2 TB monthly cap). Call (888) 224-5870 to check what reaches your specific San Rafael address.
Sonic Active Fiber Buildout in San Rafael
Sonic is in active 10G fiber buildout in San Rafael — Sonic confirmed it is constructing 10-gig fiber within the city limits of San Rafael (and Novato). Approximately 13 percent of the city currently has Sonic fiber availability with the buildout continuing. Where available Sonic at $49.99/mo for 1 Gbps with symmetric speeds and no data caps is the locally-favored choice. Sonic is headquartered in Santa Rosa just up the road in Sonoma County — it is a genuine local Northern California company with substantially better-rated customer service than national providers. Call (888) 224-5870 to check Sonic at your specific San Rafael address.
Marin County Government and Professional Households
San Rafael has substantial Marin County government workforce plus notable professional household population — lawyers consultants and creative-industry professionals. Many work from home on hybrid schedules and require reliable fiber-grade upload performance for video calls cloud-based work and uploading work files. AT&T Fiber at $55/mo with symmetric speeds is meaningfully better than Xfinity cable's 35 Mbps upload cap. Sonic at $49.99/mo where available offers symmetric performance at lower entry pricing. EarthLink fiber at $39.95/mo offers stronger privacy protections — meaningful for legal and professional households handling sensitive work data. Call (888) 224-5870 for a professional-household setup.
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Internet Providers by Location
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Ross
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San Anselmo
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Fairfax
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Mill Valley
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Tiburon
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Frequently Asked Questions About Internet in San Rafael CA
For most San Rafael households AT&T Fiber at $55/mo for 300 Mbps with symmetric speeds is the best choice. Xfinity at $30/mo with 99 percent cable coverage is the broadly available alternative — but watch the 1.2 TB monthly data cap. Sonic fiber at $49.99/mo is the locally-favored choice where available — currently approximately 13 percent coverage with active 10G buildout continuing. EarthLink fiber at $39.95/mo offers stronger privacy protections. Many San Rafael households qualify for Xfinity Internet Essentials at $9.95/mo. Call (888) 224-5870 to check all options at your San Rafael address.
No — Spectrum does not operate in San Rafael. The cable provider is Xfinity (Comcast). The fiber providers are AT&T Fiber Sonic and EarthLink. Call (888) 224-5870 for San Rafael-specific recommendations.
Sonic has approximately 13 percent fiber coverage in San Rafael with active 10G buildout in progress — Sonic confirmed it is constructing 10-gig fiber within the city limits. Where available Sonic at $49.99/mo for 1 Gbps with symmetric speeds and no data caps is the locally-favored choice. Call (888) 224-5870 to check at your specific San Rafael address — coverage is expanding regularly.
For San Rafael households where AT&T Fiber is available it is usually the better choice — symmetric upload speeds and no data caps. Call (888) 224-5870 to compare.
For San Rafael Marin County government and professional services households working from home on hybrid schedules AT&T Fiber at $55/mo with symmetric speeds is the right answer. Upload performance matters for video calls cloud-based work and uploading work files. Sonic at $49.99/mo where available is locally-favored. EarthLink fiber at $39.95/mo on AT&T infrastructure offers stronger privacy protections — meaningful for legal and professional households. Call (888) 224-5870 for a professional-household setup.
Yes — Xfinity imposes a 1.2 TB monthly data cap on standard plans in San Rafael. An unlimited data option is available for an additional monthly fee (typically $30/mo). For heavy-use households AT&T Fiber or Sonic where available are meaningfully better because neither has data caps. Call (888) 224-5870 to compare all-in pricing.
Many San Rafael households qualify particularly families in the substantial Hispanic-American community and lower-income residents. Eligibility includes households with K-12 students receiving free or reduced-price lunch SNAP recipients Medicaid recipients SSI for those 65 and older Veterans Pension Benefit and several other federal assistance programs. San Rafael City Schools and Dixie Elementary School District participate in CEP at certain schools. The program offers 75 Mbps at $9.95/mo. Call (888) 224-5870 for the eligibility check.
Call us at (888) 224-5870. We confirm the new provider is available at your specific San Rafael address (which matters since Sonic AT&T Fiber and Xfinity each serve different parts of the city) schedule the installation and make sure your current service stays active until the new connection is up and tested. Most San Rafael switches complete within 1 to 5 business days. Never cancel your current internet before the new one is confirmed working.
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