| Provider | ||||
|---|---|---|---|---|
| AT&T | $55.00 | 10 - 5,000 Mbps | DSL | 98% |
| Xfinity | $29.99 | 50 - 3,000 Mbps | Cable | 98% |
| Sonic Telecom | $39.99 | 24 - 1,000 Mbps | Wired | 8.889% |
| Sonic Telecom | $39.99 | 24 - 1,000 Mbps | DSL | 8.129% |
| HughesNet | $64.99 | 25 - 25 Mbps | Satellite | 100% |
| Viasat | $69.99 | 12 - 150 Mbps | Satellite | 100% |
Cruzio Internet  | $74.95 | - | Wireless | 98% |
| Etheric Networks | - | 15 - 120 Mbps | Wireless | 6.316% |
*Pricing per month plus taxes for length of contract. Additional fees and terms may apply. Pricing varies by location and availability. All prices subject to change at any time. May or may not be available based on service address. As of Feb 14, 2023.
Need help?61892
people have access to broadband internet of any type
1 provider - 98.70%
2 providers - 98.41%
3 providers - 17.26%
4+ providers - 0.48%
Source: FCC
At 99%, broadband coverage in Castro Valley is comparable to the rest of California - 93%, and comparable to broadband coverage across the U.S. - 95%.
The vast majority of those living in the Castro Valley area will have access to DSL, which covers 97% of Castro Valley residents. Cable internet is also an option for many, offering service to 93% of the area. Fiber-optic is less available but still a popular internet option for roughly 66% of those living in Castro Valley.
There are seven internet providers serving the Castro Valley area, and 98.41% of households will have internet options from more than one provider. Among Castro Valley's seven internet providers, prices start at $29.99 and available download speeds reach up to 5,000 Mbps.
Results from real users
| Provider | Download speed | Upload speed | Internet type |
|---|---|---|---|
| Etheric Networks | 37.0 Mbps | 52.0 Mbps | Wireless |
| AT&T | 193.0 Mbps | 158.0 Mbps | DSL |
| Sonic Telecom | 188.0 Mbps | 272.0 Mbps | Wired |
| Xfinity | 173.0 Mbps | 14.0 Mbps | Cable |
*Data sourced from M-LAB speed tests taken by real users in Castro Valley.
The largest internet providers in Castro Valley are AT&T, Xfinity, and HughesNet bringing DSL, cable, and satellite options to Castro Valley.
DSL internet from AT&T is available to nearly all Castro Valley residents, covering 98% of households. Many will also have the option of cable from Xfinity, which covers 98% of the area. Castro Valley’s third most-available internet provider, HughesNet, offers satellite to around 100% of Castro Valley residents.
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*Wireless speeds may vary. Pricing per month plus taxes for length of contract. Additional fees and terms may apply. Pricing varies by location and availability. All prices subject to change at any time. May or may not be available based on service address. As of Feb 14, 2023.
DSL from AT&T offers broadband to nearly all households in Castro Valley covering 98% of the area.
DSL internet from AT&T uses telephone lines in Castro Valley to deliver service, which often leads to lower prices and higher availability, though download speeds are likely to be slower than cable or fiber-optic internet.
Internet prices for AT&T start at $55/mo.*, which is about the same as the average starting price for internet in Castro Valley, $55.82.
AT&T customers who choose the lowest-priced plan can expect speeds up to 10 Mbps, which comes to an estimated $5.50 per Mbps, significantly higher than the average cost per Mbps for the lowest priced plans in Castro Valley, $1.92.
For those who value internet speed as much as cost, AT&T offers download speeds up to 5,000 Mbps and upload speeds up to 20 Mbps in Castro Valley. These download speeds are available to 98% of the area, and are much faster than the average max speeds from all Castro Valley's providers, 241 Mbps.
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*Wireless speeds may vary. Pricing per month plus taxes for length of contract. Additional fees and terms may apply. Pricing varies by location and availability. All prices subject to change at any time. May or may not be available based on service address. As of Feb 14, 2023.
Cable from Xfinity offers broadband to nearly all households in Castro Valley covering 98% of the area.
Xfinity’s cable network is likely to offer faster speeds than DSL or satellite service, but Castro Valley residents in densely populated areas may experience slowed speeds during peak usage times.
Internet prices for Xfinity start at $29.99/mo.*, which is significantly lower than the average starting price for internet in Castro Valley, $55.82.
Xfinity customers who choose the lowest-priced plan can expect speeds up to 50 Mbps, which comes to an estimated $0.60 per Mbps, lower than the average cost per Mbps for the lowest priced plans in Castro Valley, $1.92.
For those who value internet speed as much as cost, Xfinity offers download speeds up to 3,000 Mbps and upload speeds up to 35 Mbps in Castro Valley. These download speeds are available to 98% of the area, and are much faster than the average max speeds from all Castro Valley's providers, 241 Mbps.
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*Wireless speeds may vary. Pricing per month plus taxes for length of contract. Additional fees and terms may apply. Pricing varies by location and availability. All prices subject to change at any time. May or may not be available based on service address. As of Feb 14, 2023.
Satellite from HughesNet offers broadband to all households in Castro Valley covering 100% of the area.
HughesNet satellite internet offers reliable connection in areas of Castro Valley where other internet types may not be available, but service is likely to come with low monthly data allowances and high latency, making streaming binges and real-time online gaming impractical.
Internet prices for HughesNet start at $64.99/mo.*, which is higher than the average starting price for internet in Castro Valley, $55.82.
HughesNet customers who choose the lowest-priced plan can expect speeds up to 25 Mbps, which comes to an estimated $2.60 per Mbps, about the same as the average cost per Mbps for the lowest priced plans in Castro Valley, $1.92.
For those who value internet speed as much as cost, HughesNet offers download speeds up to 25 Mbps and upload speeds up to 3 Mbps in Castro Valley. These download speeds are available to 100% of the area, and are much slower than the average max speeds from all Castro Valley's providers, 241 Mbps.
AT&T is the fastest internet provider in Castro Valley with download speeds up to 5,000 Mbps. These speeds are available to 98% of households in Castro Valley. The next fastest internet provider in Castro Valley is Xfinity, offering download speeds up to 3,000 Mbps to 98% of the area.
Xfinity offers the cheapest internet in Castro Valley with plans starting at $29.99/mo. This is significantly less than the average starting price for internet in Castro Valley, $55.82.
No matter where you live, your address is likely serviceable for satellite internet from providers such as HughesNet and Viasat. You will probably also have the option of at least one cable provider, such as Cox, Spectrum and Xfinity, and DSL providers such as Frontier and Verizon. Roughly a third of households will be eligible for fiber internet from AT&T, CenturyLink, Windstream or other providers.
If you suspect your slow speeds are the result of your internet provider throttling your connection, the easiest way to determine if you’re being throttled is to perform two speed tests. Run the first test on your regular network, then run the second one on a VPN. If the two speeds are drastically different (and the VPN test was higher), your internet provider may be throttling your speeds.
Upgrading your internet plan or switching to a new provider that offers faster internet service is the best way to get significantly faster speeds, but that will likely also come with a price increase. To get faster internet without changing your plan or provider, upgrade your internet equipment or reduce the number of devices connected to your network.
Resetting your router and optimizing your router settings can give you an instant speed boost. Consider Wi-Fi extenders if your signal is weaker in certain areas of your home. Also, be sure to check your Wi-Fi network to see if there are any unknown devices or users connected that could be slowing your network.
*GIG: Limited time offer; subject to change; valid to qualified residential customers who have not subscribed to any services within the previous 30 days and who have no outstanding obligation to Charter. Spectrum Internet® Gig promotion price is $89.99/mo; standard rates apply after yr. 1. Taxes, fees and surcharges extra and subject to change during and after the promotional period; installation/network activation, equipment and additional services are extra. General Terms: INTERNET: Speed based on wired connection and may vary by address. Wireless speeds may vary. Services subject to all applicable service terms and conditions, subject to change. Services not available in all areas. Restrictions apply. Enter your address to determine availability. ©2022 Charter Communications.
Speed based on wired connection. Available Internet speeds may vary by address. Gig capable modem required for Gig speed. For a list of Gig capable modems, visit spectrum.net/modem
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