Best Internet Providers in Walnut Creek, CA
All 9 providers, ranked by coverage, speed and customer ratings
Find internet availability by address in Walnut Creek, CA
Walnut Creek has 9 internet service providers, they are sorted by coverage, available speed, and customer rating from our unbiased internet provider report. Fiber, Cable, DSL, and Fixed Wireless internet are available in the city. Reviews are grouped by provider and the type of service they offer, covering all 4 available internet technologies in Walnut Creek.
Ranks compare Walnut Creek with the 749 US small cities (50,000 to 99,999 people), the tiers of our fastest-cities rankings.
The Best Internet in Walnut Creek, CA at a Glance
Walnut Creek Internet Providers, Ranked by Coverage, Speed and Customer Ratings
XFINITY
Connection
Customer Rating
Fiber
Cable
EarthLink
Connection
Customer Rating
Fiber
DSL
Fixed Wireless
AT&T
Connection
Customer Rating
Fiber
DSL
Fixed Wireless
Astound Broadband
Connection
Customer Rating
Fiber
Cable
DSL
Providers with less than 1% coverage in this city are excluded from the list. To see if one of these providers is available at your home, please use the address search above.
Speed and technology may vary by address for all providers. Please note we may have a financial relationship with some of the providers above, which does not impact the customer ratings displayed. Customer ratings listed above are national ratings, local Walnut Creek ratings may vary and are shown below.
Who is the Best Internet Provider in Walnut Creek, CA?
AT&T is the highest-rated internet provider in Walnut Creek based on 419 California customer reviews, and Sonic has the highest rating nationwide. The provider information above and the information immediately below can help you decide. Compare provider ratings and review counts above.
or call 1-877-610-1219
Which Providers are Available at my Home in Walnut Creek?
Coverage changes block by block. Pick a provider and a technology to see where its service reaches: the darker the area, the larger the share of homes it covers. For your exact address, use the address search above.
Coverage map for each provider in Walnut Creek
- Sonic - fiber coverage map
- XFINITY - cable coverage map
- AT&T - fiber coverage map
- EarthLink - fiber coverage map
- Astound Broadband - cable coverage map
- Unwired - fixed wireless coverage map
- Verizon - fixed wireless coverage map
- Astound Broadband - fiber coverage map
- Astound Broadband - dsl coverage map
- T-Mobile Home Internet - fixed wireless coverage map
- AT&T - dsl coverage map
- EarthLink - dsl coverage map
- Etheric Networks - fixed wireless coverage map
- XFINITY - fiber coverage map
- AT&T - fixed wireless coverage map
- EarthLink - fixed wireless coverage map
How Walnut Creek Compares to Places Its Size
Walnut Creek's report card score is tied 285th of 749 and its connectivity index is tied 240th of 749.
| Measure | Walnut Creek | Rank among US small cities (50,000 to 99,999 people) | Contra Costa County | California | US | Leader |
|---|---|---|---|---|---|---|
| ISP Report Card inputs: what providers offer here | ||||||
| Fiber availability | 57.5% | 575th of 749 | 58.4% | 62.4% | 71.5% | Aloha, OR and Shawnee, KS (100.0%) |
| Average top speed | 5,452 Mbps | 142nd of 749 | 4,517 Mbps | 3,834 Mbps | 3,486 Mbps | Layton, UT (9,808 Mbps) |
| Providers at a typical address | 9.5 | Tied 54th of 749 | 8.6 | 8 | 7.1 | Guaynabo, PR (14.3) |
| Connectivity index inputs: how much households need and use the internet | ||||||
| People per household | 2.3 | Tied 635th of 749 | 2.9 | 3.0 | 2.7 | Pacoima, CA and Spring Valley, NY (4.3) |
| Workers who work from home | 32% | Tied 24th of 749 | 21% | 17% | 15% | Danville, CA and Potomac, MD and 2 more (39%) |
| Homes with a computer, tablet or phone | 99% | Tied 11th of 749 | 98% | 97% | 96% | Atascocita, TX and Eastvale, CA and 8 more (100%) |
| Homes with internet | 97% | Tied 31st of 749 | 96% | 94% | 91% | Centreville, VA and Danville, CA and 2 more (99%) |
| Homes on fiber, cable or DSL | 88% | Tied 56th of 749 | 83% | 79% | 76% | Flower Mound, TX and Johns Creek, GA and 1 more (93%) |
| More about the households here | ||||||
| Homes with a desktop or laptop | 93% | Tied 51st of 749 | 88% | 84% | 81% | Sammamish, WA (99%) |
| Median household income | $158,421 | 38th of 749 | $140,647 | $111,728 | $93,246 | Potomac, MD ($227,882) |
| Residents in school (6th grade to college) | 13% | Tied 624th of 749 | 16% | 17% | 16% | East Lansing, MI (58%) |
Fiber reaches 57.5% of homes in Walnut Creek, against 58.4% across Contra Costa County and 62.4% across California. Households in Walnut Creek are smaller than the US average (2.3 people against 2.7); 32% of workers work from home (US 15%); and the median household income is $158,421 (US $93,246).
Our demographic data is sourced from the latest 5-year release of the American Community Survey by the US Census Bureau.
Fiber, 5G, Cable and DSL Internet in Walnut Creek
Which Fiber Internet Providers are Available in Walnut Creek?
EarthLink Fiber in Walnut Creek, CA
Availability:
37.9%
Customer Rating:
(6)
Avg. Download Speed
4,375 Mbps
EarthLink offers Fiber service to 37.9% of Walnut Creek homes. Across the city, EarthLink Fiber has speeds up to 4,375 Mbps, with speeds from 1,000 Mpbs up to 5,000 Mbps depending on the address. Upload speeds are symmetrical, meaning they are exactly the same as download speeds for EarthLink Fiber. EarthLink Fiber is rated about the same as other types of internet service available in Walnut Creek from EarthLink in terms of customer satisfaction.
AT&T Fiber in Walnut Creek, CA
Availability:
37.9%
Customer Rating:
(542)
Avg. Download Speed
4,375 Mbps
AT&T offers Fiber service to 37.9% of Walnut Creek homes. Across the city, AT&T Fiber has speeds up to 4,375 Mbps, with speeds from 1,000 Mpbs up to 5,000 Mbps depending on the address. Upload speeds are symmetrical, meaning they are exactly the same as download speeds for AT&T Fiber. AT&T Fiber is rated lower than other types of internet service available in Walnut Creek from AT&T in terms of customer satisfaction.
Sonic Fiber in Walnut Creek, CA
Availability:
37.6%
Customer Rating:
(14)
Avg. Download Speed
10,000 Mbps
Sonic offers Fiber service to 37.6% of Walnut Creek homes. Across the city, Sonic Fiber is the only type of service available from the company, with speeds up to 10,000 Mbps
Astound Broadband Fiber in Walnut Creek, CA
Availability:
8.8%
Customer Rating:
(21)
Avg. Download Speed
1,500 Mbps
Astound Broadband offers Fiber service to 8.8% of Walnut Creek homes. Across the city, Astound Broadband Fiber has speeds up to 1,500 Mbps
XFINITY Fiber in Walnut Creek, CA
Availability:
2.7%
Customer Rating:
(300)
Avg. Download Speed
1,908 Mbps
XFINITY from Comcast offers Fiber service to 2.7% of Walnut Creek homes. Across the city, XFINITY Fiber has speeds up to 1,908 Mbps, with speeds from 1,200 Mpbs up to 2,000 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 35 and as high as 2,000, with an average of 960 Mbps throughout the city. XFINITY Fiber is rated about the same as other types of internet service available in Walnut Creek from XFINITY in terms of customer satisfaction.
Which Fixed Wireless and LTE Internet Providers are Available in Walnut Creek?
Unwired Fixed Wireless in Walnut Creek, CA
Availability:
98.4%
Customer Rating:
(1)
Avg. Download Speed
300 Mbps
Unwired offers Fixed Wireless service to 98.4% of Walnut Creek homes. Across the city, Unwired Fixed Wireless is the only type of service available from the company, with speeds up to 300 Mbps
Verizon Fixed Wireless in Walnut Creek, CA
Availability:
96.7%
Customer Rating:
(362)
Avg. Download Speed
278 Mbps
Verizon offers Fixed Wireless service to 96.7% of Walnut Creek homes. Across the city, Verizon Fixed Wireless is the only type of service available from the company, with speeds up to 278 Mbps, with speeds from 25 Mpbs up to 300 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 6.0 and as high as 20, with an average of 19 Mbps throughout the city.
T-Mobile Home Internet Fixed Wireless in Walnut Creek, CA
Availability:
93.6%
Customer Rating:
(342)
Avg. Download Speed
81 Mbps
T-Mobile Home Internet offers Fixed Wireless service to 93.6% of Walnut Creek homes. Across the city, T-Mobile Home Internet Fixed Wireless is the only type of service available from the company, with speeds up to 81 Mbps, with speeds from 25 Mpbs up to 100 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 3.0 and as high as 20, with an average of 16 Mbps throughout the city.
EarthLink Fixed Wireless in Walnut Creek, CA
Availability:
63.8%
Customer Rating:
(4)
Avg. Download Speed
46 Mbps
EarthLink offers Fixed Wireless service to 63.8% of Walnut Creek homes. Across the city, EarthLink Fixed Wireless has speeds up to 46 Mbps, with speeds from 25 Mpbs up to 100 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 3.0 and as high as 20, with an average of 7.9 Mbps throughout the city.
AT&T Fixed Wireless in Walnut Creek, CA
Availability:
63.8%
Customer Rating:
(205)
Avg. Download Speed
46 Mbps
AT&T offers Fixed Wireless service to 63.8% of Walnut Creek homes. Across the city, AT&T Fixed Wireless has speeds up to 46 Mbps, with speeds from 25 Mpbs up to 100 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 3.0 and as high as 20, with an average of 7.9 Mbps throughout the city.
Etheric Networks Fixed Wireless in Walnut Creek, CA
Availability:
26.6%
Customer Rating:
(0)
Avg. Download Speed
250 Mbps
Etheric Networks offers Fixed Wireless service to 26.6% of Walnut Creek homes. Across the city, Etheric Networks Fixed Wireless is the only type of service available from the company, with speeds up to 250 Mbps
Which Cable Internet Providers are Available in Walnut Creek?
XFINITY Cable in Walnut Creek, CA
Availability:
99.9%
Customer Rating:
(2077)
Avg. Download Speed
1,996 Mbps
XFINITY from Comcast offers Cable service to 99.9% of Walnut Creek homes. Across the city, XFINITY Cable has speeds up to 1,996 Mbps, with speeds from 1,200 Mpbs up to 2,000 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 35 and as high as 2,000, with an average of 262 Mbps throughout the city. XFINITY Cable is rated the same as other types of internet service available in Walnut Creek from XFINITY in terms of customer satisfaction.
Astound Broadband Cable in Walnut Creek, CA
Availability:
88.7%
Customer Rating:
(97)
Avg. Download Speed
1,500 Mbps
Astound Broadband offers Cable service to 88.7% of Walnut Creek homes. Across the city, Astound Broadband Cable has speeds up to 1,500 Mbps
Which DSL Internet Providers are Available in Walnut Creek?
EarthLink DSL in Walnut Creek, CA
Availability:
89.7%
Customer Rating:
(5)
Avg. Download Speed
75 Mbps
EarthLink offers DSL service to 89.7% of Walnut Creek homes. Across the city, EarthLink DSL has speeds up to 75 Mbps, with speeds from 10 Mpbs up to 100 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 1.0 and as high as 20, with an average of 15 Mbps throughout the city. EarthLink DSL is rated higher than other types of internet service available in Walnut Creek from EarthLink in terms of customer satisfaction.
AT&T DSL in Walnut Creek, CA
Availability:
89.7%
Customer Rating:
(304)
Avg. Download Speed
75 Mbps
AT&T offers DSL service to 89.7% of Walnut Creek homes. Across the city, AT&T DSL has speeds up to 75 Mbps, with speeds from 10 Mpbs up to 100 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 1.0 and as high as 20, with an average of 15 Mbps throughout the city. AT&T DSL is rated about the same as other types of internet service available in Walnut Creek from AT&T in terms of customer satisfaction.
Astound Broadband DSL in Walnut Creek, CA
Availability:
10.6%
Customer Rating:
(3)
Avg. Download Speed
1,000 Mbps
Astound Broadband offers DSL service to 10.6% of Walnut Creek homes. Across the city, Astound Broadband DSL has speeds up to 1,000 Mbps
Internet in Walnut Creek by Neighborhood and ZIP Code
Fiber reaches from 35.6% of homes in Northgate Area to 69.3% in Pleasant Valley; by ZIP code, from 38.2% in 94598 to 74.3% in 94596. Each row links to that place’s page.
Neighborhoods in Walnut Creek
| Neighborhood | People | Homes with fiber | Average top speed | Providers at a typical address | Report card | Connectivity |
|---|---|---|---|---|---|---|
| Downtown Walnut Creek | 9,145 | 67.1% | 5,440 Mbps | 9.7 | B+ | 76/100 |
| Pleasant Valley | 4,402 | 69.3% | 4,769 Mbps | 8.9 | B+ | 67/100 |
| Northgate Area | 3,292 | 35.6% | 4,848 Mbps | 7.8 | B | 95/100 |
ZIP codes in Walnut Creek
How Walnut Creek Compares to Nearby Places
The 10 places nearest to Walnut Creek that have their own pages are all within 7 miles. Among them, Orinda has the most homes with fiber (80.3%) and Diablo the fewest (0.0%); Walnut Creek has 57.5%.
| Place | People | Homes with fiber | Average top speed | Providers at a typical address | Report card | Connectivity |
|---|---|---|---|---|---|---|
| Walnut Creek (this page) | 90,689 | 57.5% | 5,452 Mbps | 9.5 | B+ | 80/100 |
| Concord | 125,061 | 49.3% | 4,910 Mbps | 9 | B | 81/100 |
| Martinez | 49,575 | 62.4% | 2,774 Mbps | 8.6 | B | 81/100 |
| Pleasant Hill | 35,887 | 57.1% | 3,445 Mbps | 8.7 | B | 83/100 |
| Lafayette | 25,988 | 61.1% | 3,504 Mbps | 8.8 | B | 92/100 |
| Orinda | 20,294 | 80.3% | 4,353 Mbps | 9.1 | B+ | 92/100 |
| Moraga | 19,038 | 35.8% | 3,094 Mbps | 8.9 | B | 94/100 |
| Alamo | 15,995 | 44.3% | 3,217 Mbps | 9.1 | B | 93/100 |
| Diablo | 1,353 | 0.0% | 1,967 Mbps | 8.1 | C+ | 87/100 |
| Reliez Valley | 1,241 | 0.0% | 1,254 Mbps | 7.1 | C | 96/100 |
| Castle Hill | 152 | 23.7% | 2,711 Mbps | 7.6 | B- | 92/100 |
Who is the Fastest Internet Provider in Walnut Creek?
According to unbiased feedback from real internet customers, they reported being happiest with speeds provided by AT&T. On the other hand, based on data provided by the internet providers to the FCC, Sonic should have faster speeds at a local level. While we typically put more weight on real-world customer ratings, we display both satisfaction and technical maximum information for customers to decide for themselves.
Data Reported to FCC by ISPs: Average Maximum Available in Walnut Creek
| Sonic | 10,000 |
|---|---|
| AT&T | 5,000 |
| EarthLink | 5,000 |
| XFINITY from Comcast | 2,000 |
| Astound Broadband | 1,500 |
| Unwired | 300 |
| Verizon | 300 |
| Etheric Networks | 250 |
| Viasat | 100 |
| T-Mobile Home Internet | 100 |
| HughesNet | 25 |
How fast is your internet?
Test your connection here and see it next to the speeds providers advertise in Walnut Creek. It takes about 20 seconds and, on a fast line, can move a few hundred MB of data.
Customer Ratings for Walnut Creek Internet Providers
Based on 419 reviews from California internet customers, AT&T is the best internet service provider for Walnut Creek residents. AT&T was rated at an average of 3.34 out of 5 in our report for overall customer satisfaction. XFINITY from Comcast wins for second-place in California, with 3.43 out of 5 stars and 99.9% coverage in Walnut Creek.
At a national level, based on 4740 national reviews for any of the providers listed above, Sonic is rated higher than any other provider, with a rating of 4.43 out of 5.
Local, State, and National Ratings for all Walnut Creek Internet Providers
The table below shows average customer ratings from customers in Walnut Creek, California, and customers throughout the country.
| ISP / Tech Type | Walnut Creek Overall | California Overall | National Overall | For Service | ||
|---|---|---|---|---|---|---|
| AT&T | (0) | (119) | (1051) | View Plans | ||
| EarthLink | (0) | (2) | (15) | View Plans | ||
| HughesNet | (0) | (1) | (25) | View Plans | ||
| Sonic | (0) | (14) | (14) | View Plans | ||
| T-Mobile Home Internet | (0) | (27) | (342) | View Plans | ||
| Unwired | (0) | (1) | (1) | View Plans | ||
| Viasat | (0) | (1) |  (12) | View Plans | ||
| XFINITY | (0) | (211) | (2379) | View Plans | ||
| Astound Broadband | (2) | (17) | (122) | View Plans | ||
| Verizon |  (1) | (28) | (816) | View Plans | ||
| Etheric Networks | (0) | (0) | (0) | View Plans |
Customer Ratings for Internet Provider Speeds in Walnut Creek
Based on data reported by Walnut Creek ISPs to the FCC, the fastest speeds in the city are available through Sonic. The company offers speeds up to 10,000 Mbps in Walnut Creek. Therefore, the average customer can get up to 10,000 Mbps if they’re willing to purchase the fastest subscription tier available at their homes.
However, actual customers rated their satisfaction with internet speed highest with AT&T. This indicates AT&T reliably delivers speeds expected by the customer based on the plan they are paying for.
| ISP / Tech Type | Walnut Creek Speed | California Speed | National Speed | For Service | ||
|---|---|---|---|---|---|---|
| AT&T | (0) | (119) | (1051) | View Plans | ||
| EarthLink | (0) | (2) | (15) | View Plans | ||
| HughesNet | (0) | (1) | (25) | View Plans | ||
| Sonic | (0) | (14) | (14) | View Plans | ||
| T-Mobile Home Internet | (0) | (27) | (342) | View Plans | ||
| Unwired | (0) | (1) | (1) | View Plans | ||
| Viasat | (0) | (1) | (12) | View Plans | ||
| XFINITY | (0) | (211) | (2379) | View Plans | ||
| Astound Broadband | (2) | (17) | (122) | View Plans | ||
| Verizon | (1) | (28) | (816) | View Plans | ||
| Etheric Networks | (0) | (0) | (0) | View Plans |
Who is the Cheapest Internet Provider in Walnut Creek?
Of the providers in Walnut Creek, customers rate AT&T the best for price. Data comes from customers rating their satisfaction with pricing: in Walnut Creek where enough of them have reviewed a provider, otherwise across California or the country. This feedback is valuable because it considers price changes and whether the speeds paid for are worth it.
AT&T is rated 3.22 out of 5 for price, which is lower than the average across all internet providers in the country. XFINITY from Comcast is rated second for affordability, with an average price rating of 3.09 out of 5.
The table below shows how customers in Walnut Creek, California, and the United States rated the affordability of their internet service.
Rated Affordability in Walnut Creek
| ISP / Tech Type | Walnut Creek Affordability | California Affordability | National Affordability | For Service | ||
|---|---|---|---|---|---|---|
| Verizon | (1) | (28) | (816) | View Plans | ||
| AT&T | (0) | (119) | (1051) | View Plans | ||
| EarthLink | (0) | (2) | (15) | View Plans | ||
| HughesNet | (0) | (1) | (25) | View Plans | ||
| Sonic | (0) | (14) | (14) | View Plans | ||
| T-Mobile Home Internet | (0) | (27) | (342) | View Plans | ||
| Unwired | (0) | (1) | (1) | View Plans | ||
| Viasat | (0) | (1) | (12) | View Plans | ||
| XFINITY | (0) | (211) | (2379) | View Plans | ||
| Astound Broadband | (2) | (17) | (122) | View Plans | ||
| Etheric Networks | (0) | (0) | (0) | View Plans |
Customer Reviews for Internet Service Providers in California
Customer Reviews
A Walnut Creek, CA Customer
Astound Broadband Cable
January 18, 2026 Overall, I am satisfied with the service. The download speed is fast (1Gbps), and the pricing is fair. The install process and setup was straightforward. However, the biggest downside by far is that the upload speed is much slower than the download speed.
A Walnut Creek, CA Customer
Verizon Fixed Wireless
July 18, 2024 A California customer
Astound Broadband Cable
March 28, 2023 I feel I could be getting a better deal.
Steve
ting Fiber
November 13, 2026 Slow, 1/10th the speed they advertised
Robert
Verizon Fixed Wireless
November 10, 2026 Was cut off with .out notice due to upgrade and was not provided connection to upgrade from the same location (tower). Causing further problems in service and added cost.
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Which ISP Should You Choose in Walnut Creek?
The right ISP for you depends upon your needs, but in general we can make the following suggestions:
- The best all-around internet service provider in Walnut Creek is AT&T.
- The fastest internet provider should be Sonic. Considering speed for the money and reliability in speeds, AT&T may be a better choice based on real-world local customer feedback.
- The most affordable internet provider in Walnut Creek is AT&T.
- XFINITY from Comcast, Viasat, and HughesNet has the broadest coverage in Walnut Creek, available to 99.9% of homes, and is most likely to cover your home. To find out exactly what’s available at your home, please use our address search tool.