Best Internet Providers in Walnut Creek, CA (2026)
Walnut Creek has 7 internet providers offering cable, fiber, 5G, and satellite service. Xfinity and AT&T Fiber dominate wired coverage in this affluent East Bay city.
Call to get connected: 1-844-963-0138
Quick Answer: Best Internet in Walnut Creek
Xfinity and AT&T Fiber provide excellent wired coverage across Walnut Creek, giving nearly all residents access to high-speed broadband. T-Mobile and Verizon supplement these with wireless 5G options.
- Best overall: Xfinity -- cable/fiber up to 2 Gbps, 98% coverage
- Best fiber: AT&T Fiber -- symmetrical speeds up to 5 Gbps, 89% coverage
- Best budget: Xfinity Connect -- starts at $35/mo
- Best wireless: T-Mobile 5G -- $50/mo, no contract, 65% coverage
- 7 providers serve Walnut Creek (pop. 70,127)
Internet Providers in Walnut Creek, CA
| Provider | Technology | Max Speed | Starting Price | Data Cap | Contract | Phone |
|---|---|---|---|---|---|---|
| Xfinity | Cable / Fiber | 2 Gbps | $35/mo | 1.2 TB | None | 1-844-963-0138 |
| AT&T Internet | Fiber / DSL | 5 Gbps | $55/mo | None (Fiber) | None | 1-855-850-5977 |
| T-Mobile | 5G / Fixed Wireless | 245 Mbps | $50/mo | None | None | 1-844-275-9311 |
| Verizon 5G Home | 5G | 300 Mbps | $60/mo | None | None | 1-855-387-1456 |
| HughesNet | Satellite | 100 Mbps | $49.99/mo | 100-200 GB | None | 1-855-543-5405 |
| Viasat | Satellite | 150 Mbps | $69.99/mo | Varies | 2 years | 1-855-463-9333 |
| Starlink | Satellite | 220 Mbps | $120/mo | None | None | Online only |
Top Internet Providers in Walnut Creek Reviewed
Xfinity
Xfinity covers 98% of Walnut Creek with cable and fiber broadband up to 2 Gbps. Low starting prices and widespread availability make it the default choice for most households in the city.
Plans: Connect (75 Mbps, $35/mo) | Connect More (200 Mbps, $55/mo) | Fast (400 Mbps, $70/mo) | Gigabit ($80/mo) | Gigabit Extra (2 Gbps, $120/mo)
Choose if: You want the widest coverage with multiple speed tiers.
Avoid if: You use more than 1.2 TB of data per month.
Call Xfinity: 1-844-963-0138
AT&T Internet
AT&T Fiber serves 89% of Walnut Creek with symmetrical speeds from 300 Mbps to 5 Gbps. No data caps on fiber plans and no annual contracts make it the premium broadband pick.
Plans: Fiber 300 ($55/mo) | Fiber 500 ($65/mo) | Fiber 1 Gig ($80/mo) | Fiber 5 Gig ($180/mo)
Choose if: You need symmetrical uploads for video calls and cloud backups.
Avoid if: You want the lowest possible monthly price.
Call AT&T: 1-855-850-5977
T-Mobile 5G Home Internet
T-Mobile provides 5G wireless broadband to 65% of Walnut Creek. One price, no data caps, and no equipment rental fees make it the simplest option for moderate internet users.
Plans: Home Internet ($50/mo, 33-245 Mbps typical)
Choose if: You want a wireless connection without cable installation.
Avoid if: You need guaranteed high speeds for multiple heavy users.
Call T-Mobile: 1-844-275-9311
Speed and Price Comparison in Walnut Creek
| Speed Tier | Xfinity | AT&T | T-Mobile | Verizon 5G |
|---|---|---|---|---|
| Basic (25-100 Mbps) | $35/mo | -- | $50/mo | -- |
| Mid (200-400 Mbps) | $55/mo | $55/mo | $50/mo | $60/mo |
| Fast (400-600 Mbps) | $70/mo | $65/mo | -- | -- |
| Gigabit (1 Gbps) | $80/mo | $80/mo | -- | -- |
| Multi-Gig (2+ Gbps) | $120/mo | $180/mo | -- | -- |
Speed recommendation: 100 Mbps handles 2-3 users browsing and streaming. Families with 4-5 people streaming in 4K should consider 300+ Mbps. Gigabit fiber is ideal for remote workers and smart-home setups.
Internet Service in Walnut Creek: Local Overview
Walnut Creek is a city of about 70,127 in Contra Costa County, known for its downtown shopping, dining, and proximity to Mount Diablo. The city benefits from robust broadband competition between Xfinity and AT&T, keeping pricing and speeds competitive.
AT&T Fiber expansion has been particularly strong along the Ygnacio Valley Road and South Broadway corridors. Verizon 5G Home coverage is growing near the BART station and downtown core, while T-Mobile 5G serves the residential areas along Olympic Boulevard and Walden Road.
Neighborhood Coverage Highlights
- Downtown/Broadway Plaza: Full Xfinity, AT&T Fiber, and Verizon 5G
- Northgate/Pleasant Hill border: Xfinity and AT&T Fiber available
- Rossmoor: Xfinity primary, AT&T expanding fiber
- Saranap/Tice Valley: Xfinity and T-Mobile 5G coverage
Nearby Cities
Internet Speed Requirements for Walnut Creek Households
The speed you need in Walnut Creek 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 Walnut Creek 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 Walnut Creek
Start by checking which providers actually serve your specific address in Walnut Creek, 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 Walnut Creek, 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 Walnut Creek gives the most relevant picture of service quality and reliability in your neighborhood.
Frequently Asked Questions About Walnut Creek Internet
What is the best internet provider in Walnut Creek, CA?
Xfinity is the top choice with 98% coverage and cable/fiber speeds up to 2 Gbps. AT&T Fiber covers 89% of Walnut Creek with symmetrical speeds ideal for remote work.
Is fiber internet available in Walnut Creek?
Yes. AT&T Fiber covers 89% of Walnut Creek with symmetrical speeds up to 5 Gbps. Xfinity also provides fiber to portions of the city with speeds up to 2 Gbps.
What is the cheapest internet in Walnut Creek?
Xfinity offers plans starting at $35/month for 75 Mbps. T-Mobile 5G Home Internet is $50/month with no data caps or contracts. Both are widely available across Walnut Creek.
Can I get 5G home internet in Walnut Creek?
Yes. T-Mobile 5G covers 65% and Verizon 5G Home covers about 37% of Walnut Creek. Both providers offer wireless broadband with no contracts and no data caps.
How fast is internet in Walnut Creek?
Walnut Creek residents can access speeds up to 5 Gbps through AT&T Fiber and up to 2 Gbps through Xfinity. Most households have access to at least one gigabit option.
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Last updated: February 7, 2026
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