Internet providers in Brentwood, CA
Brentwood is a city in California with about 64,609 residents and roughly 26,979 residential locations that internet providers can report on. The table below compares the providers that report service here.
Compare internet providers in Brentwood, CA
Share of residential locations in Brentwood 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 | Unwired | Fixed wireless | 97% | |
| 3 | AT&T | Fiber, DSL, Fixed wireless | 91% | Check availability |
| 4 | T-Mobile Home Internet | Fixed wireless | 75% | |
| 5 | Sonic Telecom | Fiber | 49% | |
| 6 | Verizon | Fiber, Fixed wireless | 46% | Check availability |
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 Brentwood
Xfinity reports service to the most residential locations in Brentwood, about 99%. 4 providers report coverage of at least half of locations (Xfinity, Unwired, AT&T, and T-Mobile Home Internet), so the market looks competitive. Fiber-focused providers reporting service here include Sonic Telecom (49%). Unwired and T-Mobile Home Internet offer fixed wireless home internet, an option if you prefer no cable or fiber installation.
What technologies are available in Brentwood?
Fiber is widely available: about 67% of locations in Brentwood can get it. Gigabit-class service (1,000 Mbps down) is reported for about 91% of locations. DSL is still reported for about 39% of locations, which can be a fallback where fiber and cable do not reach. Fixed wireless home internet is reported for about 99%+ of locations.
FCC National Broadband Map, data as of December 31, 2025: share of residential locations in Brentwood that providers report they can serve. City-level figures, not your address.
Brentwood at a glance
About 96% of households in Brentwood have a broadband subscription, 3 points above the California average of 92%.
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2023).
Internet providers in places near Brentwood
- Oakley, CA (4 mi)
- Antioch, CA (5 mi)
- Discovery Bay, CA (7 mi)
- Pittsburg, CA (11 mi)
- Bay Point, CA (15 mi)
- Mountain House, CA (15 mi)
- Concord, CA (16 mi)
- Danville, CA (16 mi)
- San Ramon, CA (17 mi)
- Rio Vista, CA (17 mi)
- Alamo, CA (17 mi)
- Livermore, CA (17 mi)
- Walnut Creek, CA (18 mi)
- Dublin, CA (18 mi)
- Contra Costa Centre, CA (18 mi)
- Pleasant Hill, CA (19 mi)
- Tracy, CA (20 mi)
- Pleasanton, CA (21 mi)
- Martinez, CA (22 mi)
- Lafayette, CA (22 mi)
Frequently asked questions
Is fiber internet available in Brentwood?
Yes, in part. About 67% of residential locations in Brentwood can get fiber, 98% can get cable, and about 91% can get gigabit-class speeds, per FCC data. Availability depends on your exact address.
Which internet provider has the widest coverage in Brentwood?
Xfinity reports service to about 99% of residential locations in Brentwood, the most of any provider, per FCC data. Availability still depends on your address.
How many internet providers serve Brentwood?
6 providers report service to at least 2% of locations in Brentwood, and 4 cover at least half. Satellite (HughesNet, Viasat, Starlink) is also available nearly everywhere.
Is there fiber internet in Brentwood?
Fiber providers reporting service in Brentwood include Sonic Telecom (49% 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 Brentwood?
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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