Best Internet Providers in Brentwood, CA
Brentwood residents benefit from strong competition between Xfinity and AT&T, with 7 providers serving this fast-growing East Bay community of 64,292 people.
Call to check availability: 1-844-963-0138 (Xfinity) | 1-855-850-5977 (AT&T)
Quick Answer: Best Internet in Brentwood, CA
Xfinity leads with 98% coverage and fast cable/fiber plans. AT&T Fiber covers 89% with symmetrical speeds up to 5 Gbps, making it the best pick for power users and remote workers in Brentwood.
- Best overall: Xfinity -- 98% coverage, plans up to 2 Gbps
- Fastest speeds: AT&T Fiber -- symmetrical up to 5 Gbps
- Best budget: T-Mobile 5G -- $50/mo, no contract
- Best wireless backup: Verizon 5G Home -- 37% coverage
- Total providers: 7 ISPs in this market
Brentwood, CA Internet Providers Comparison
| Provider | Technology | Max Speed | Starting Price | Data Cap | Contract | Phone |
|---|---|---|---|---|---|---|
| Xfinity | Cable/Fiber | 2 Gbps | $30/mo | 1.2 TB | No | 1-844-963-0138 |
| AT&T Internet | Fiber/DSL | 5 Gbps | $55/mo | None (Fiber) | No | 1-855-850-5977 |
| T-Mobile | 5G/Fixed Wireless | 245 Mbps | $50/mo | None | No | 1-844-275-9311 |
| Verizon 5G Home | 5G | 1 Gbps | $60/mo | None | No | 1-855-387-1456 |
| Starlink | Satellite | 220 Mbps | $120/mo | None | No | Online only |
| Viasat | Satellite | 150 Mbps | $69.99/mo | Varies | 2-year | 1-855-463-9333 |
| HughesNet | Satellite | 100 Mbps | $49.99/mo | Varies | 2-year | 1-855-543-5405 |
Top Providers for Brentwood Residents
Xfinity
Xfinity dominates Brentwood with 98% coverage, offering cable and fiber plans from basic 75 Mbps to 2 Gbps. The most widely available wired option for virtually every address in the city.
Plans: Connect ($30/mo, 75 Mbps), Fast ($55/mo, 400 Mbps), Superfast ($70/mo, 800 Mbps), Gigabit ($80/mo, 1 Gbps)
Choose if: You want the widest availability and tiered pricing options.
Avoid if: Data caps are a dealbreaker for your household.
Call: 1-844-963-0138
AT&T Fiber
AT&T Fiber covers 89% of Brentwood with no data caps and symmetrical speeds. The best option for multi-device households, remote workers, and content creators.
Plans: Fiber 300 ($55), Fiber 500 ($65), Fiber 1 Gig ($80), Fiber 2 Gig ($150), Fiber 5 Gig ($180)
Choose if: You need fast upload speeds and no data caps.
Avoid if: Your address only qualifies for AT&T DSL.
Call: 1-855-850-5977
T-Mobile 5G Home Internet
T-Mobile covers 65% of Brentwood with a simple $50/month plan and no equipment rental fees. Self-install gateway arrives within days of ordering.
Plans: Home Internet ($50/mo, typical speeds 72-245 Mbps)
Choose if: You want quick setup with no contract or hidden fees.
Avoid if: You rely on consistent speeds above 250 Mbps.
Call: 1-844-275-9311
Speed & Price Comparison
| Speed Tier | Xfinity | AT&T | T-Mobile | Verizon 5G |
|---|---|---|---|---|
| 75-200 Mbps | $30 | -- | $50 | -- |
| 300-500 Mbps | $55 | $55-$65 | -- | $60 |
| 500 Mbps-1 Gig | $70-$80 | $80 | -- | $80 |
| 1-5 Gbps | $100 | $150-$180 | -- | -- |
Speed recommendation: 200 Mbps suits 1-2 person households. Families with 4+ devices streaming, gaming, and video calling should aim for 500 Mbps or higher.
Internet in Brentwood: Local Market Overview
Brentwood is a rapidly growing community in eastern Contra Costa County with about 64,292 residents. Located in the San Francisco Bay Area metro, the city benefits from strong ISP investment. Xfinity and AT&T provide near-universal wired coverage, and 5G rollouts from T-Mobile and Verizon continue to expand.
New housing developments in the Deer Ridge and Summerset areas typically have AT&T Fiber built in. Older neighborhoods near downtown may have Xfinity as the primary high-speed option.
Coverage by Neighborhood
- Deer Ridge / Shadow Lakes: Xfinity + AT&T Fiber + T-Mobile 5G
- Summerset: AT&T Fiber + Xfinity + Verizon 5G
- Downtown Brentwood: Xfinity + AT&T + T-Mobile
- Lone Tree / Balfour: Xfinity + AT&T + satellite options
Nearby Cities
Compare options in Antioch, Oakley, and Discovery Bay.
Internet Speed Requirements for Brentwood Households
The speed you need in Brentwood 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 Brentwood 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 Brentwood
Start by checking which providers actually serve your specific address in Brentwood, 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 Brentwood, 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 Brentwood gives the most relevant picture of service quality and reliability in your neighborhood.
Internet Equipment Options in Brentwood
Most internet providers in Brentwood 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 Brentwood 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 best internet provider in Brentwood, CA?
Xfinity is the top choice with 98% coverage offering cable and fiber plans up to 2 Gbps. AT&T Fiber is the speed leader with plans up to 5 Gbps at 89% coverage.
Is fiber internet available in Brentwood, CA?
Yes. AT&T Fiber covers about 89% of Brentwood and Xfinity offers fiber in select areas. Verizon Fios covers roughly 37% of households.
How much does internet cost in Brentwood, CA?
Plans start at around $30/month for basic Xfinity service. T-Mobile 5G offers a flat $50/month plan. AT&T Fiber starts at $55/month for 300 Mbps.
Can I get 5G home internet in Brentwood, CA?
Yes. T-Mobile 5G covers about 65% of Brentwood at $50/month. Verizon 5G Home is available to roughly 37% of households starting at $60/month.
What is the fastest internet speed available in Brentwood?
AT&T Fiber offers up to 5 Gbps in Brentwood. Xfinity reaches up to 2 Gbps, and Verizon 5G Home can deliver up to 1 Gbps in covered areas.
Related Resources
California Internet
Provider Pages
Guides
Last updated: February 7, 2026.
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