13 Best Internet Providers in Alameda County, CA
Find internet availability by address in Alameda County, CA
Jump to: Best Internet Provider | Availability Maps | Customer Reviews | Alameda County ISP Report Card | Business Internet in Alameda County
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Alameda County ISP Report Card | A- |
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Download Speed for Most Households | 5,482 Mbps |
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Number of Internet Service Providers | 13 |
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Real Alameda County Customer Ratings | 27 |
This page reflects the most recent FCC update from January 06, 2026, based on the Broadband Data Collection as of June 30, 2025.
This page reflects the most recent FCC update from January 06, 2026, based on the Broadband Data Collection as of June 30, 2025.
Alameda County has 13 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 county. Reviews are grouped by provider and the type of service they offer, covering all 4 available internet technologies in Alameda County.
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Alameda County has 13 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 county. Reviews are grouped by provider and the type of service they offer, covering all 4 available internet technologies in Alameda County.
Compare 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
Sonic
Connection
Customer Rating
Fiber
Above are the top 4 providers in Alameda County, CA for most people based on high speed internet coverage, speeds, and customer reviews. Click below to see all providers in your county.
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 Alameda County ratings may vary and are shown below.
Who is the Best Internet Provider in Alameda County, CA?
Sonic is the highest-rated internet provider in Alameda County based on 372 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. The chart and table below show average customer ratings from customers in Alameda County, California, and customers throughout the country.
Top Rated Internet Providers in Alameda County
Local, State, and National Ratings for all Alameda County Internet Providers
| ISP / Tech Type | Alameda County Overall | California Overall | National Overall | For Service | ||
|---|---|---|---|---|---|---|
| Sonic | (4) | (11) | (11) | View Plans | ||
| AT&T | (4) | (107) | (924) | View Plans | ||
| XFINITY | (18) | (193) | (2164) | View Plans | ||
| Verizon |  (1) | (24) | (723) | View Plans | ||
| Google Fiber | (0) | (10) | (89) | View Plans | ||
| T-Mobile Home Internet | (0) | (22) | (284) | View Plans | ||
| HughesNet | (0) | (1) |  (18) | View Plans | ||
| Viasat | (0) | (1) |  (11) | View Plans | ||
| EarthLink | (0) | (2) | (12) | View Plans | ||
| Unwired | (0) |  (1) | (1) | View Plans | ||
| Ridge Wireless | (0) | (0) | (0) | View Plans | ||
| Etheric Networks | (0) | (0) | (0) | View Plans | ||
| Sail Internet | (0) | (0) | (0) | View Plans | ||
| Tekify | (0) | (0) | (0) | View Plans | ||
| RobinsonHSS | (0) | (0) | (0) | View Plans |
Based on 372 reviews from California internet customers, Sonic is the best internet service provider for Alameda County residents. Sonic was rated at an average of 4.36 out of 5 in our report for overall customer satisfaction. AT&T wins for second-place in California, with 3.75 out of 5 stars and 97.7% coverage in Alameda County.
At a national level, based on 4237 national reviews for any of the providers listed above, Sonic is rated higher than any other provider, with a rating of 4.27 out of 5.
Which Providers are Available at my Home in Alameda County?
a different provider.
Internet Availability Key
Speeds and coverage vary within the county, and sometimes even from block to block. The map shows speeds per provider and where each provider is available.
Who is the Fastest Internet Provider in Alameda County?
Based on both FCC data and unbiased customer ratings in Alameda County, the fastest internet in the county comes from Sonic.
Data Reported to FCC by ISPs: Average Maximum Available in Alameda County
| ISP / Tech Type | Max Advertised Speed | ||
|---|---|---|---|
| Tekify | 10,000 Mbps | ||
| Sonic | 10,000 Mbps | ||
| AT&T | 5,000 Mbps | ||
| EarthLink | 5,000 Mbps | ||
| XFINITY from Comcast | 2,000 Mbps | ||
| Google Fiber | 1,000 Mbps | ||
| Sail Internet | 1,000 Mbps | ||
| RobinsonHSS | 1,000 Mbps | ||
| Verizon | 1,000 Mbps | ||
| Unwired | 300 Mbps | ||
| Etheric Networks | 250 Mbps | ||
| Ridge Wireless | 100 Mbps | ||
| T-Mobile Home Internet | 100 Mbps | ||
| Viasat | 100 Mbps | ||
| HughesNet | 25 Mbps |
Customer Ratings for Internet Provider Speeds in Alameda County
| ISP / Tech Type | Alameda County Speed | California Speed | National Speed | For Service | ||
|---|---|---|---|---|---|---|
| Sonic |  (4) | (11) | (11) | View Plans | ||
| XFINITY | (18) | (193) | (2164) | View Plans | ||
| AT&T | (4) | (107) | (924) | View Plans | ||
| Verizon | (1) | (24) | (723) | View Plans | ||
| Google Fiber | (0) | (10) | (89) | View Plans | ||
| T-Mobile Home Internet | (0) | (22) | (284) | View Plans | ||
| HughesNet | (0) | (1) | (18) | View Plans | ||
| Unwired | (0) | (1) | (1) | View Plans | ||
| Viasat | (0) | (1) |  (11) | View Plans | ||
| EarthLink | (0) | (2) | (12) | View Plans | ||
| Ridge Wireless | (0) | (0) | (0) | View Plans | ||
| Etheric Networks | (0) | (0) | (0) | View Plans | ||
| Sail Internet | (0) | (0) | (0) | View Plans | ||
| Tekify | (0) | (0) | (0) | View Plans | ||
| RobinsonHSS | (0) | (0) | (0) | View Plans |
Based on data reported by Alameda County ISPs to the FCC, the fastest speeds in the county are available through Sonic. The company offers speeds up to 10,000 Mbps in Alameda County. Therefore, the average customer can get up to 7,683 Mbps if they're willing to purchase the fastest subscription tier available at their homes.
However, actual customers in the county rated their satisfaction with internet speed highest with Sonic. This indicates Sonic reliably delivers speeds expected by the customer based on the plan they are paying for.
Who is the Cheapest Internet Provider in Alameda County?
California customers rate Sonic as the cheapest internet service provider in state. Data comes from customers in the state rating their satisfaction with pricing. This feedback is valuable because it considers price changes and whether the speeds paid for are worth it.
Sonic received a local rating of 4.00 out of 5, which is lower than the average across all internet providers in the country. AT&T is rated in second place for affordability by the company’s Alameda County customers with an average price rating of 4.00 out of 5.
The chart and graph below show how customers in Alameda County, California, and the United States rated the affordability of their internet service.
Rated Affordability in Alameda County
| ISP / Tech Type | Alameda County Affordability | California Affordability | National Affordability | For Service | ||
|---|---|---|---|---|---|---|
| Sonic | (4) | (11) | (11) | View Plans | ||
| AT&T | (4) | (107) | (924) | View Plans | ||
| Verizon | (1) | (24) | (723) | View Plans | ||
| XFINITY | (18) | (193) | (2164) | View Plans | ||
| T-Mobile Home Internet | (0) | (22) | (284) | View Plans | ||
| Google Fiber | (0) | (10) | (89) | View Plans | ||
| HughesNet | (0) | (1) | (18) | View Plans | ||
| Viasat | (0) | (1) | (11) | View Plans | ||
| EarthLink | (0) | (2) | (12) | View Plans | ||
| Unwired | (0) | (1) | (1) | View Plans | ||
| Ridge Wireless | (0) | (0) | (0) | View Plans | ||
| Etheric Networks | (0) | (0) | (0) | View Plans | ||
| Sail Internet | (0) | (0) | (0) | View Plans | ||
| Tekify | (0) | (0) | (0) | View Plans | ||
| RobinsonHSS | (0) | (0) | (0) | View Plans |
Alameda County Internet Health Assessment
ISP Reports evaluates the technological infrastructure across the United States. This includes assessing a grade for ISP providers and infrastructure in the county and setting an index number for the digital connectivity of its residents. You can view the ISP Report Card and the Digital Connectivity Index for Alameda County below, including the metrics used and how Alameda County compares to the rest of California and nation.
| Metric
(hover for details)
|
Alameda County | California | USA | ||
|---|---|---|---|---|---|
| Fiber Availability Percent The percentage of households in Alameda County that have a Fiber internet connection available to their home. | 71.54% | 56.12% | 67.25% | ||
| Average Download SpeedThe maximum download speed most households can get on average. This is measured by availability in a block group and weighted by the population in that area. | 5,482 Mbps | 3,631 Mbps | 3,293 Mbps | ||
| Provider CountThe number of providers available for most people. This is a weighted average by block rather than a total for Alameda County. | 10.0 | 7.4 | 6.8 |
| Average Household SizeA larger household size in a county indicates that there will be a greater need for bandwidth due to simultaneous usage, multiple devices, and network congestion. | 2.8 | 3.0 | 2.7 | ||
| Work From Home PercentA higher percent of the population working from home indicates bandwidth requirements being more widely needed rather than consolidated to commercial portions of the city. | 23% | 15% | 14% | ||
| Households with DevicesA higher percentage of households with computing devices in the home indicates a higher level of infrastructure needed to support those households. | 97% | 96% | 95% | ||
| Households with InternetA higher percentage of households with internet indicates a higher need for usage and connectivity in people’s daily lives. | 94% | 93% | 90% | ||
| Households with BroadbandA higher percentage of households with a broadband connection (defined as speeds above 25 Mbps) indicates heavier usage needs within these households. | 83% | 78% | 75% | ||
| Broadband Usage vs. AvailabilityThis measures what percentage of households who have a broadband connection to their home actually have an active subscription to that service. | 84% | 79% | 76% |
Our demographic data is sourced from the latest 5-year release of the American Community Survey by the US Census Bureau.
Alameda County ISP Report Card & Digital Connectivity Index
The ISP Report Card in Alameda County is A-, which is much better than other counties. The local demand for broadband internet connectivity in Alameda County is high with a score of 85 / 100 in our Digital Connectivity Index. This means that internet service providers operating in Alameda County have done a great job meeting the needs of its residents.
The Alameda County ISP Report Card evaluates the county on availability and speed metrics compared to other counties in the United States. ISP Infrastructure can vary greatly and on its own isn’t a perfect measure of what a county needs. Please see our ISP Report Card along with the Digital Connectivity Index above to evaluate how well the connectivity demand is met by the existing infrastructure.
94% of Alameda County households have an internet connection despite having 98.58% availability. 83% of households have fiber, cable, or DSL, 6% have satellite, 0% are still on dial-up, and 2% of households have internet but don’t pay for a subscription because it’s subsidized by the Affordable Connectivity Program.
As you can see in the table above, while 83% of households have a broadband connection such as fiber, cable or DSL available to their home, 84% subscribe to it. A very large amount of Alameda County residents are taking advantage of the available internet infrastructure.
For more details, please visit our ISP Report Card and Digital Connectivity Index pages.
How do Neighboring Counties Compare to Alameda County?
- ISP Report Card: B+
- Digital Connectivity Index: 74 / 100
- ISP Report Card: B
- Digital Connectivity Index: 67 / 100
- ISP Report Card: D+
- Digital Connectivity Index: 62 / 100
- ISP Report Card: D-
- Digital Connectivity Index: 63 / 100
- ISP Report Card: D+
- Digital Connectivity Index: 58 / 100
- ISP Report Card: B
- Digital Connectivity Index: 71 / 100
- ISP Report Card: C
- Digital Connectivity Index: 52 / 100
- ISP Report Card: C
- Digital Connectivity Index: 27 / 100
- ISP Report Card: C
- Digital Connectivity Index: 48 / 100
How Much Speed does a Alameda County Household Need?
Higher speed is typically preferred, but that comes at a higher price. The average size of a household in Alameda County is 2.8, which is smaller than the California average of 3.0 and larger than the national average of 2.7. Alameda County's average household income is $138,703 which is much higher than the California average of $108,618 and much higher than the national average of $90,606. Homes with more people living in them and with higher incomes tend to indicate more devices being used more often.
Alameda County also has 16% of its population enrolled in school between the 6th grade and college level, this is lower than the California average of 17%. Additionally, 23% of residents work from home, which is higher than the 15% of residents in California who work from home. This and other factors you can see above show us that the community of Alameda County has a very high need for internet connectivity and speeds.
Compared to the rest of the country, Alameda County households are more technology-engaged. 97% of households have some sort of computing device, 89% have desktops or laptops in the home, and 95% have smartphones. To see what speeds you are currently getting, please visit our internet speed test tool.
Which Fiber Internet Providers are Available in Alameda County?
EarthLink Fiber in Alameda County, CA
Availability:
63.9%
Customer Rating:
(5)
Avg. Download Speed
4,584 Mbps
EarthLink offers Fiber service to 63.9% of Alameda County homes. Across the county, EarthLink Fiber has speeds up to 4,584 Mbps, with speeds from 10 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 Alameda County from EarthLink in terms of customer satisfaction.
AT&T Fiber in Alameda County, CA
Availability:
63.9%
Customer Rating:
(544)
Avg. Download Speed
4,584 Mbps
AT&T offers Fiber service to 63.9% of Alameda County homes. Across the county, AT&T Fiber has speeds up to 4,584 Mbps, with speeds from 10 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 higher than other types of internet service available in Alameda County from AT&T in terms of customer satisfaction.
Sonic Fiber in Alameda County, CA
Availability:
43.7%
Customer Rating:
(14)
Avg. Download Speed
7,683 Mbps
Sonic offers Fiber service to 43.7% of Alameda County homes. Across the county, Sonic Fiber is the only type of service available from the company, with speeds up to 7,683 Mbps, with speeds from 1,000 Mpbs up to 10,000 Mbps depending on the address. Upload speeds are symmetrical, meaning they are exactly the same as download speeds for Sonic Fiber.
XFINITY Fiber in Alameda County, CA
Availability:
1.8%
Customer Rating:
(302)
Avg. Download Speed
1,488 Mbps
XFINITY from Comcast offers Fiber service to 1.8% of Alameda County homes. Across the county, XFINITY Fiber has speeds up to 1,488 Mbps, with speeds from 1,000 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 302 Mbps throughout the county. XFINITY Fiber is rated about the same as other types of internet service available in Alameda County from XFINITY in terms of customer satisfaction.
Which Cable Internet Providers are Available in Alameda County?
XFINITY Cable in Alameda County, CA
Availability:
97.8%
Customer Rating:
(1,910)
Avg. Download Speed
1,807 Mbps
XFINITY from Comcast offers Cable service to 97.8% of Alameda County homes. Across the county, XFINITY Cable has speeds up to 1,807 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 266 Mbps throughout the county. XFINITY Cable is rated about the same as other types of internet service available in Alameda County from XFINITY in terms of customer satisfaction.
Which DSL Internet Providers are Available in Alameda County?
EarthLink DSL in Alameda County, CA
Availability:
83.6%
Customer Rating:
(4)
Avg. Download Speed
79 Mbps
EarthLink offers DSL service to 83.6% of Alameda County homes. Across the county, EarthLink DSL has speeds up to 79 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 16 Mbps throughout the county. EarthLink DSL is rated the same as other types of internet service available in Alameda County from EarthLink in terms of customer satisfaction.
AT&T DSL in Alameda County, CA
Availability:
83.6%
Customer Rating:
(304)
Avg. Download Speed
79 Mbps
AT&T offers DSL service to 83.6% of Alameda County homes. Across the county, AT&T DSL has speeds up to 79 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 16 Mbps throughout the county. AT&T DSL is rated about the same as other types of internet service available in Alameda County from AT&T in terms of customer satisfaction.
Sail Internet DSL in Alameda County, CA
Availability:
1.8%
Customer Rating:
(0)
Avg. Download Speed
741 Mbps
Sail Internet offers DSL service to 1.8% of Alameda County homes. Across the county, Sail Internet DSL has speeds up to 741 Mbps, with speeds from 200 Mpbs up to 1,000 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 100 and as high as 1,000, with an average of 708 Mbps throughout the county.
Which Fixed Wireless and LTE Internet Providers are Available in Alameda County?
T-Mobile Home Internet Fixed Wireless in Alameda County, CA
Availability:
94.0%
Customer Rating:
(0)
Avg. Download Speed
73 Mbps
T-Mobile Home Internet offers Fixed Wireless service to 94.0% of Alameda County homes. Across the county, T-Mobile Home Internet Fixed Wireless is the only type of service available from the company, with speeds up to 73 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 14 Mbps throughout the county.
Verizon Fixed Wireless in Alameda County, CA
Availability:
80.8%
Customer Rating:
(0)
Avg. Download Speed
396 Mbps
Verizon offers Fixed Wireless service to 80.8% of Alameda County homes. Across the county, Verizon Fixed Wireless is the only type of service available from the company, with speeds up to 396 Mbps, with speeds from 300 Mpbs up to 1,000 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 20 and as high as 75, with an average of 28 Mbps throughout the county.
Etheric Networks Fixed Wireless in Alameda County, CA
Availability:
77.6%
Customer Rating:
(0)
Avg. Download Speed
250 Mbps
Etheric Networks offers Fixed Wireless service to 77.6% of Alameda County homes. Across the county, Etheric Networks Fixed Wireless is the only type of service available from the company, with speeds up to 250 Mbps
Unwired Fixed Wireless in Alameda County, CA
Availability:
73.2%
Customer Rating:
(0)
Avg. Download Speed
300 Mbps
Unwired offers Fixed Wireless service to 73.2% of Alameda County homes. Across the county, Unwired Fixed Wireless is the only type of service available from the company, with speeds up to 300 Mbps
EarthLink Fixed Wireless in Alameda County, CA
Availability:
71.6%
Customer Rating:
(0)
Avg. Download Speed
47 Mbps
EarthLink offers Fixed Wireless service to 71.6% of Alameda County homes. Across the county, EarthLink Fixed Wireless has speeds up to 47 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 8.0 Mbps throughout the county.
AT&T Fixed Wireless in Alameda County, CA
Availability:
71.6%
Customer Rating:
(0)
Avg. Download Speed
47 Mbps
AT&T offers Fixed Wireless service to 71.6% of Alameda County homes. Across the county, AT&T Fixed Wireless has speeds up to 47 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 8.0 Mbps throughout the county.
Tekify Fixed Wireless in Alameda County, CA
Availability:
33.1%
Customer Rating:
(0)
Avg. Download Speed
574 Mbps
Tekify offers Fixed Wireless service to 33.1% of Alameda County homes. Across the county, Tekify Fixed Wireless is the only type of service available from the company, with speeds up to 574 Mbps, with speeds from 10 Mpbs up to 1,000 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 1.0 and as high as 1,000, with an average of 235 Mbps throughout the county.
RobinsonHSS Fixed Wireless in Alameda County, CA
Availability:
22.5%
Customer Rating:
(0)
Avg. Download Speed
1,000 Mbps
RobinsonHSS offers Fixed Wireless service to 22.5% of Alameda County homes. Across the county, RobinsonHSS Fixed Wireless is the only type of service available from the company, with speeds up to 1,000 Mbps
Sail Internet Fixed Wireless in Alameda County, CA
Availability:
15.2%
Customer Rating:
(0)
Avg. Download Speed
451 Mbps
Sail Internet offers Fixed Wireless service to 15.2% of Alameda County homes. Across the county, Sail Internet Fixed Wireless has speeds up to 451 Mbps, with speeds from 200 Mpbs up to 1,000 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 50 and as high as 200, with an average of 115 Mbps throughout the county.
Google Fiber Fixed Wireless in Alameda County, CA
Availability:
2.4%
Customer Rating:
(0)
Avg. Download Speed
922 Mbps
Google Fiber offers Fixed Wireless service to 2.4% of Alameda County homes. Across the county, Google Fiber Fixed Wireless is the only type of service available from the company, with speeds up to 922 Mbps, with speeds from 100 Mpbs up to 1,000 Mbps depending on the address. Upload speeds are symmetrical, meaning they are exactly the same as download speeds for Google Fiber Fixed Wireless.
Ridge Wireless Fixed Wireless in Alameda County, CA
Availability:
2.1%
Customer Rating:
(0)
Avg. Download Speed
86 Mbps
Ridge Wireless offers Fixed Wireless service to 2.1% of Alameda County homes. Across the county, Ridge Wireless Fixed Wireless is the only type of service available from the company, with speeds up to 86 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 60, with an average of 45 Mbps throughout the county.
Which ISP Should You Choose in Alameda County?
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 Alameda County is Sonic.
- The fastest internet provider should be Sonic. Considering speed for the money and reliability in speeds, Sonic may be a better choice based on real-world local customer feedback.
- The most affordable internet provider in Alameda County is Sonic.
- HughesNet, Viasat, and XFINITY from Comcast has the broadest coverage in Alameda County, and is most likely to cover your home. To find out exactly what's available at your home, please use our address search tool.
How does Alameda County compare to other cities with a similar population?
To see how Alameda County stacks up on the national level, it's useful to look at some other cities with similarly sized populations. Below you can see a list of these cities and how they compare to Alameda County's A- ISP Report Card and 85 / 100 Digital Connectivity Index.
- ISP Report Card: B+
- Digital Connectivity Index: 90 / 100
- ISP Report Card: B
- Digital Connectivity Index: 81 / 100
- ISP Report Card: B
- Digital Connectivity Index: 78 / 100
- ISP Report Card: B
- Digital Connectivity Index: 67 / 100
- ISP Report Card: A-
- Digital Connectivity Index: 77 / 100
- ISP Report Card: B
- Digital Connectivity Index: 82 / 100
- ISP Report Card: B+
- Digital Connectivity Index: 87 / 100
- ISP Report Card: B
- Digital Connectivity Index: 73 / 100
- ISP Report Card: B+
- Digital Connectivity Index: 77 / 100