Best Internet Providers in Petaluma, CA (2026)
Petaluma residents can choose from 7 internet providers including Xfinity, AT&T, and Verizon Fios, with speeds up to 2 Gbps.
1-844-963-0138 - Call to check Xfinity availability
Quick Answer: Best Internet in Petaluma
Xfinity is the top pick for most Petaluma households with 92.2% coverage, speeds up to 2 Gbps, and plans from $30/mo. AT&T Fiber is the best fiber option with 74.6% availability and symmetrical upload speeds.
- Best overall: Xfinity — cable/fiber, up to 2 Gbps, 92.2% coverage
- Best fiber: AT&T Fiber — symmetrical speeds, no data cap
- Best budget: T-Mobile 5G Home Internet — $50/mo, no contract
- Best for gaming: Verizon Fios — low latency fiber
Petaluma Internet Providers Comparison
| Provider | Technology | Max Speed | Starting Price | Data Cap | Contract | Phone |
|---|---|---|---|---|---|---|
| Xfinity | Cable, Fiber | 2 Gbps | $30/mo | 1.2 TB | None | 1-844-963-0138 |
| AT&T Internet | Fiber, DSL | 5 Gbps | $55/mo | None | None | 1-855-850-5977 |
| T-Mobile | 5G, Fixed Wireless | 245 Mbps | $50/mo | None | None | 1-844-275-9311 |
| Verizon Fios | Fiber | 940 Mbps | $50/mo | None | None | 1-855-387-1456 |
| HughesNet | Satellite | 100 Mbps | $50/mo | 100 GB | None | 1-855-543-5405 |
| Viasat | Satellite | 150 Mbps | $70/mo | Varies | 24 mo | 1-855-463-9333 |
| Starlink | Satellite | 220 Mbps | $120/mo | None | None | Online only |
Top Internet Providers in Petaluma
Xfinity — Best Overall in Petaluma
Xfinity delivers the widest coverage in Petaluma at 92.2%, making it the most accessible wired provider. Plans range from 75 Mbps to 2 Gbps on their cable-fiber network.
- Connect: 75 Mbps — $30/mo
- Connect More: 200 Mbps — $55/mo
- Fast: 400 Mbps — $70/mo
- Gigabit: 1 Gbps — $80/mo
Choose if: You want reliable speeds and wide availability.
Avoid if: You need unlimited data without paying extra.
Call: 1-844-963-0138
AT&T Internet — Best Fiber in Petaluma
AT&T Fiber serves 74.6% of Petaluma with symmetrical upload and download speeds. All fiber plans include unlimited data and no annual contracts.
- Fiber 300: 300 Mbps — $55/mo
- Fiber 500: 500 Mbps — $65/mo
- Fiber 1 Gig: 1 Gbps — $80/mo
Choose if: You upload large files or work from home.
Avoid if: You live outside AT&T's fiber footprint.
Call: 1-855-850-5977
T-Mobile 5G Home Internet — Best No-Contract
T-Mobile covers 49.6% of Petaluma with fixed wireless internet at a flat $50/mo. No data caps, no contracts, and simple self-installation.
- Home Internet: up to 245 Mbps — $50/mo
Choose if: You want simplicity with no annual commitment.
Avoid if: You need consistently fast speeds for competitive gaming.
Call: 1-844-275-9311
Speed and Price Comparison in Petaluma
| Speed Tier | Xfinity | AT&T | Verizon Fios | T-Mobile |
|---|---|---|---|---|
| 100 Mbps | $30/mo | — | — | $50/mo |
| 300 Mbps | $55/mo | $55/mo | $50/mo | — |
| 500 Mbps | $70/mo | $65/mo | — | — |
| 1 Gbps | $80/mo | $80/mo | $70/mo | — |
Speed Recommendations
- 1-2 users, browsing/email: 75-100 Mbps
- 3-5 users, streaming/gaming: 300-500 Mbps
- 5+ users, remote work: 500 Mbps-1 Gbps
Internet in Petaluma: Local Insights
Petaluma is a city of about 59,776 residents in Sonoma County, part of the San Francisco-Oakland metro area. The local internet market benefits from strong wired infrastructure, with Xfinity and AT&T covering the majority of households.
Recent fiber expansion from AT&T and Verizon Fios is improving options in eastern neighborhoods. T-Mobile's 5G fixed wireless adds a competitive wireless alternative in central areas.
Neighborhood Coverage Guide
- Downtown Petaluma: Xfinity and AT&T Fiber available throughout
- East Petaluma: Best Verizon Fios coverage, AT&T Fiber expanding
- Westside/Adobe: Xfinity primary; T-Mobile 5G strong signal
- North McDowell Blvd area: Full AT&T and Xfinity coverage
Nearby Cities
Internet Speed Requirements for Petaluma Households
The speed you need in Petaluma depends on how many people and devices use your connection simultaneously. A single person streaming video and browsing the web can get by with 50-100 Mbps. A household of 2-3 people with regular streaming and video calls should target 200-300 Mbps. Larger families with 4 or more heavy users benefit from 500 Mbps to 1 Gbps plans, especially when multiple people are streaming in 4K, gaming online, or working from home at the same time.
Upload speed matters just as much as download speed for Petaluma residents who work remotely. Video conferencing platforms like Zoom and Teams require at least 5 Mbps upload for stable HD video, and 10 Mbps or more for group calls with screen sharing. If multiple household members participate in video calls simultaneously, ensure your plan provides at least 20-25 Mbps upload speed. Fiber plans offer the best upload performance with symmetrical speeds.
How to Choose an Internet Provider in Petaluma
Start by checking which providers actually serve your specific address in Petaluma, as coverage can vary significantly even within the same city. Enter your address on each provider's website or use our comparison tool to see all available options. Compare the actual speeds offered at your address, not just the provider's maximum advertised speed, since availability of faster tiers depends on local infrastructure.
Beyond speed, compare the total monthly cost including equipment rental fees, installation charges, and price increases after promotional periods end. Providers in Petaluma, California may offer different promotions depending on the season and competition in your area. Ask about no-contract options to maintain flexibility, and check whether a provider requires a credit check, as some offer prepaid alternatives. Reading recent customer reviews specific to Petaluma gives the most relevant picture of service quality and reliability in your neighborhood.
Internet Equipment Options in Petaluma
Most internet providers in Petaluma offer the option to rent a modem and WiFi router for $10-15 per month or use your own compatible equipment. Purchasing your own modem and router costs $140-250 upfront but saves $120-180 annually in rental fees, paying for itself within 12-18 months. Check your provider's compatible equipment list before purchasing to ensure the modem supports your plan speed and technology type.
For homes in Petaluma larger than 1,500 square feet or with multiple floors, a mesh WiFi system provides better coverage than a single router. Mesh systems like Google Nest WiFi, Eero, and TP-Link Deco use multiple access points to blanket your home with consistent signal. If your home has coaxial wiring from previous cable TV service, a MoCA adapter can create a wired backbone between access points for even better performance without running new Ethernet cables.
Frequently Asked Questions
What is the fastest internet available in Petaluma, CA?
Xfinity offers speeds up to 2 Gbps via cable and fiber. AT&T Fiber delivers symmetrical speeds up to 5 Gbps in select areas.
Who is the cheapest internet provider in Petaluma?
Xfinity starts at $30/mo for 75 Mbps. T-Mobile 5G Home Internet is $50/mo with no contract.
Is fiber internet available in Petaluma?
Yes. AT&T Fiber covers 74.6%, Xfinity has fiber in select areas, and Verizon Fios is at 19.5% coverage.
Can I get 5G home internet in Petaluma?
T-Mobile 5G covers 49.6% of Petaluma with speeds up to 245 Mbps and no data caps.
What providers offer no data caps in Petaluma?
AT&T Fiber, Verizon Fios, T-Mobile, and Starlink all offer unlimited data. Xfinity imposes a 1.2 TB cap.
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Last updated: February 7, 2026
Disclosure: Some of the links and phone numbers on this page are from our advertising partners. When you call a provider through one of our tracked numbers or click an affiliate link, we may earn a commission. This does not influence our rankings or recommendations, which are based on independent research.