7 Best Internet Providers in El Sobrante, CA
Find internet availability by address in El Sobrante, CA
Jump to: Best Internet Provider | Availability Maps | Customer Reviews | El Sobrante ISP Report Card | Business Internet in El Sobrante
| El Sobrante ISP Report Card | B+ | |
| Download Speed for Most Households | 5,643 Mbps | |
| Number of Internet Service Providers | 7 | |
| Real El Sobrante Customer Ratings | 3 |
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.
El Sobrante has 7 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 El Sobrante.
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El Sobrante has 7 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 El Sobrante.
Compare Providers Ranked by Coverage, Speed, and Customer Ratings
XFINITY
Connection
Customer Rating
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 El Sobrante, CA for most people based on high speed internet coverage, speeds, and customer reviews. Click below to see all providers in your city.
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 El Sobrante ratings may vary and are shown below.
Who is the Best Internet Provider in El Sobrante, CA?
Sonic is the highest-rated internet provider in El Sobrante based on 362 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 El Sobrante, California, and customers throughout the country.
Top Rated Internet Providers in El Sobrante
Local, State, and National Ratings for all El Sobrante Internet Providers
| ISP / Tech Type | El Sobrante Overall | California Overall | National Overall | For Service | ||
|---|---|---|---|---|---|---|
| XFINITY | (3) | (193) | (2164) | View Plans | ||
| Sonic | (0) | (11) | (11) | View Plans | ||
| T-Mobile Home Internet | (0) | (22) | (284) | View Plans | ||
| Verizon | (0) | (24) | (723) | View Plans | ||
| AT&T | (0) | (107) | (924) | 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 |
Based on 362 reviews from California internet customers, Sonic is the best internet service provider for El Sobrante residents. Sonic was rated at an average of 4.36 out of 5 in our report for overall customer satisfaction. T-Mobile Home Internet wins for second-place in California, with 4.00 out of 5 stars and 90.6% coverage in El Sobrante.
At a national level, based on 4148 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 El Sobrante?
a different provider.

Internet Availability Key
Speeds and coverage vary within the city, 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 El Sobrante?
Based on both FCC data and unbiased customer ratings in El Sobrante, the fastest internet in the city comes from Sonic.
Data Reported to FCC by ISPs: Average Maximum Available in El Sobrante
| ISP / Tech Type | Max Advertised Speed | ||
|---|---|---|---|
| Sonic | 10,000 Mbps | ||
| AT&T | 5,000 Mbps | ||
| EarthLink | 5,000 Mbps | ||
| XFINITY from Comcast | 2,000 Mbps | ||
| Verizon | 300 Mbps | ||
| Unwired | 300 Mbps | ||
| T-Mobile Home Internet | 100 Mbps | ||
| Viasat | 100 Mbps | ||
| HughesNet | 25 Mbps |
Customer Ratings for Internet Provider Speeds in El Sobrante
| ISP / Tech Type | El Sobrante Speed | California Speed | National Speed | For Service | ||
|---|---|---|---|---|---|---|
| XFINITY | (3) | (193) | (2164) | View Plans | ||
| Sonic | (0) | (11) | (11) | View Plans | ||
| Verizon | (0) | (24) | (723) | View Plans | ||
| T-Mobile Home Internet | (0) | (22) | (284) | View Plans | ||
| AT&T | (0) | (107) | (924) | 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 |
Based on data reported by El Sobrante ISPs to the FCC, the fastest speeds in the city are available through Sonic. The company offers speeds up to 10,000 Mbps in El Sobrante. 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 in the city 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 El Sobrante?
California customers rate T-Mobile Home Internet 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.
T-Mobile Home Internet received a local rating of 4.18 out of 5, which is about average for the average across all internet providers in the country. Sonic is rated in second place for affordability by the company’s El Sobrante customers with an average price rating of 4.09 out of 5.
The chart and graph below show how customers in El Sobrante, California, and the United States rated the affordability of their internet service.
Rated Affordability in El Sobrante
| ISP / Tech Type | El Sobrante Affordability | California Affordability | National Affordability | For Service | ||
|---|---|---|---|---|---|---|
| XFINITY | (3) | (193) | (2164) | View Plans | ||
| T-Mobile Home Internet | (0) | (22) | (284) | View Plans | ||
| Sonic | (0) | (11) | (11) | View Plans | ||
| Verizon | (0) | (24) | (723) | View Plans | ||
| AT&T | (0) | (107) | (924) | 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 |
El Sobrante 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 city 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 El Sobrante below, including the metrics used and how El Sobrante compares to the rest of California and nation.
| Metric
(hover for details)
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El Sobrante | California | USA | ||
|---|---|---|---|---|---|
| Fiber Availability Percent The percentage of households in El Sobrante that have a Fiber internet connection available to their home. | 59.33% | 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. | 5,643 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 El Sobrante. | 8.3 | 7.4 | 6.8 |
| Average Household SizeA larger household size in a city indicates that there will be a greater need for bandwidth due to simultaneous usage, multiple devices, and network congestion. | 2.9 | 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. | 15% | 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. | 96% | 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. | 88% | 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. | 88% | 79% | 76% |
Our demographic data is sourced from the latest 5-year release of the American Community Survey by the US Census Bureau.
El Sobrante ISP Report Card & Digital Connectivity Index
The ISP Report Card in El Sobrante is B+, which is much better than other cities. The local demand for broadband internet connectivity in El Sobrante is high with a score of 88 / 100 in our Digital Connectivity Index. This means that internet service providers operating in El Sobrante have done a great job meeting the needs of its residents.
The El Sobrante ISP Report Card evaluates the city on availability and speed metrics compared to other cities in the United States. ISP Infrastructure can vary greatly and on its own isn’t a perfect measure of what a city 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.
96% of El Sobrante households have an internet connection despite having 99.98% availability. 88% of households have fiber, cable, or DSL, 6% have satellite, 0% are still on dial-up, and 0% 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 88% of households have a broadband connection such as fiber, cable or DSL available to their home, 88% subscribe to it. A very large amount of El Sobrante 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 Cities Compare to El Sobrante?
- ISP Report Card: B+
- Digital Connectivity Index: 76 / 100
- ISP Report Card: A-
- Digital Connectivity Index: 70 / 100
- ISP Report Card: B-
- Digital Connectivity Index: 89 / 100
- ISP Report Card: A
- Digital Connectivity Index: 79 / 100
- ISP Report Card: A
- Digital Connectivity Index: 73 / 100
- ISP Report Card: A
- Digital Connectivity Index: 76 / 100
- ISP Report Card: B+
- Digital Connectivity Index: 88 / 100
- ISP Report Card: A-
- Digital Connectivity Index: 72 / 100
- ISP Report Card: C
- Digital Connectivity Index: 81 / 100
How Much Speed does a El Sobrante Household Need?
Higher speed is typically preferred, but that comes at a higher price. The average size of a household in El Sobrante is 2.9, which is smaller than the California average of 3.0 and larger than the national average of 2.7. El Sobrante's average household income is $121,469 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.
El Sobrante also has 14% of its population enrolled in school between the 6th grade and college level, this is lower than the California average of 17%. Additionally, 15% of residents work from home, which is lower 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 El Sobrante has a very high need for internet connectivity and speeds.
Compared to the rest of the country, El Sobrante households are much more technology-engaged. 97% of households have some sort of computing device, 92% have desktops or laptops in the home, and 94% have smartphones. To see what speeds you are currently getting, please visit our internet speed test tool.
Which Fiber Internet Providers are Available in El Sobrante?
EarthLink Fiber in El Sobrante, CA
EarthLink offers Fiber service to 46.5% of El Sobrante homes. Across the city, EarthLink Fiber has speeds up to 4,837 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 El Sobrante from EarthLink in terms of customer satisfaction.
AT&T Fiber in El Sobrante, CA
AT&T offers Fiber service to 46.5% of El Sobrante homes. Across the city, AT&T Fiber has speeds up to 4,837 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 higher than other types of internet service available in El Sobrante from AT&T in terms of customer satisfaction.
Sonic Fiber in El Sobrante, CA
Sonic offers Fiber service to 39.3% of El Sobrante homes. Across the city, Sonic Fiber is the only type of service available from the company, with speeds up to 10,000 Mbps
Which Cable Internet Providers are Available in El Sobrante?
XFINITY Cable in El Sobrante, CA
XFINITY from Comcast offers Cable service to 100.0% of El Sobrante homes. Across the city, XFINITY Cable is the only type of service available from the company, with speeds up to 1,752 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 250, with an average of 183 Mbps throughout the city.
Which DSL Internet Providers are Available in El Sobrante?
EarthLink DSL in El Sobrante, CA
EarthLink offers DSL service to 94.7% of El Sobrante homes. Across the city, EarthLink DSL has speeds up to 71 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 the same as other types of internet service available in El Sobrante from EarthLink in terms of customer satisfaction.
AT&T DSL in El Sobrante, CA
AT&T offers DSL service to 94.7% of El Sobrante homes. Across the city, AT&T DSL has speeds up to 71 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 El Sobrante from AT&T in terms of customer satisfaction.
Which Fixed Wireless and LTE Internet Providers are Available in El Sobrante?
T-Mobile Home Internet Fixed Wireless in El Sobrante, CA
T-Mobile Home Internet offers Fixed Wireless service to 90.6% of El Sobrante homes. Across the city, T-Mobile Home Internet Fixed Wireless is the only type of service available from the company, with speeds up to 71 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 13 Mbps throughout the city.
EarthLink Fixed Wireless in El Sobrante, CA
EarthLink offers Fixed Wireless service to 85.4% of El Sobrante homes. Across the city, EarthLink Fixed Wireless has speeds up to 55 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 9.9 Mbps throughout the city.
AT&T Fixed Wireless in El Sobrante, CA
AT&T offers Fixed Wireless service to 85.4% of El Sobrante homes. Across the city, AT&T Fixed Wireless has speeds up to 55 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 9.9 Mbps throughout the city.
Unwired Fixed Wireless in El Sobrante, CA
Unwired offers Fixed Wireless service to 82.6% of El Sobrante 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 El Sobrante, CA
Verizon offers Fixed Wireless service to 67.2% of El Sobrante homes. Across the city, Verizon Fixed Wireless is the only type of service available from the company, with speeds up to 300 Mbps
Which ISP Should You Choose in El Sobrante?
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 El Sobrante 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 El Sobrante is T-Mobile Home Internet.
- Viasat, HughesNet, EarthLink, and AT&T has the broadest coverage in El Sobrante, 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 El Sobrante compare to other cities with a similar population?
To see how El Sobrante 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 El Sobrante's B+ ISP Report Card and 88 / 100 Digital Connectivity Index.
- ISP Report Card: C+
- Digital Connectivity Index: 66 / 100
- ISP Report Card: C
- Digital Connectivity Index: 41 / 100
- ISP Report Card: B
- Digital Connectivity Index: 72 / 100
- ISP Report Card: A-
- Digital Connectivity Index: 69 / 100
- ISP Report Card: C
- Digital Connectivity Index: 47 / 100
- ISP Report Card: C+
- Digital Connectivity Index: 66 / 100
- ISP Report Card: A-
- Digital Connectivity Index: 59 / 100
- ISP Report Card: C-
- Digital Connectivity Index: 76 / 100
- ISP Report Card: B
- Digital Connectivity Index: 55 / 100
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