skip to main content

Internet providers in Castro Valley, CA

Ads
1. AT&T
52% available in Castro Valley
Connection:
Fiber
Download speeds up to
5000Mbps

Get up to a $150 AT&T Visa® Reward Card when you sign up for AT&T Fiber! Eligible zip codes only. Redemption req’d. Ltd. avail/areas.

2. EarthLink
95% available in Castro Valley
Connection:
Fiber
Download speeds up to
5000Mbps

User Rating(110)

Ranked #1 Overall by Highspeedinternet.com customer satisfaction survey for 2021 & 2022.

3. Xfinity
99% available in Castro Valley
Connection:
Cable
Download speeds up to
1200Mbps

Double the speed-faster than ever! Enjoy more speed with150Mbps internet for $25/mo for 1 year.

4. Sail Internet
75% available in Castro Valley
Connection:
Fiber & Fixed Wireless
Download speeds up to
1000Mbps
5. Sonic
62% available in Castro Valley
Connection:
Fiber
Download speeds up to
10000Mbps

Get Sonic Fiber for free with the Affordable Connectivity Program.

6. Hughesnet
99% available in Castro Valley
Connection:
Satellite
Download speeds up to
100Mbps

User Rating(417)

New customers get $25 off per month their first year. Terms apply.

7. Viasat
89% available in Castro Valley
Connection:
Satellite
Download speeds up to
150Mbps
8. ispMint
99% available in Castro Valley
ispMint
Connection:
DSL
Download speeds up to
100Mbps
Link not provided
9. Easy Internet Now
95% available in Castro Valley
Easy Internet Now
Connection:
Fiber
Download speeds up to
5000Mbps
Link not provided
10. Etheric Networks
99% available in Castro Valley
Connection:
Fixed Wireless
Download speeds up to
25Mbps
1. Comcast Business
99% available in Castro Valley
Connection:
Cable
Download speeds up to
1000Mbps

User Rating(41)
2. Earthlink Business
93% available in Castro Valley
Connection:
Fiber
Download speeds up to
5000Mbps
3. Sail Internet
75% available in Castro Valley
Connection:
Fiber & Fixed Wireless
Download speeds up to
1000Mbps
4. Sonic
63% available in Castro Valley
Connection:
Fiber
Download speeds up to
10000Mbps

Get Sonic Fiber for free with the Affordable Connectivity Program.

5. Hughesnet
99% available in Castro Valley
Connection:
Satellite
Download speeds up to
100Mbps

User Rating(417)

New customers get $25 off per month their first year. Terms apply.

6. Viasat
89% available in Castro Valley
Connection:
Satellite
Download speeds up to
150Mbps
7. ispMint
99% available in Castro Valley
ispMint
Connection:
DSL
Download speeds up to
100Mbps
Link not provided
8. Easy Internet Now
95% available in Castro Valley
Easy Internet Now
Connection:
Fiber
Download speeds up to
5000Mbps
Link not provided
9. Ooma
98% available in Castro Valley
Ooma
Connection:
Wireless LTE
Download speeds up to
100Mbps
Link not provided
10. Etheric Networks
99% available in Castro Valley
Connection:
Fixed Wireless
Download speeds up to
25Mbps
1. Mint
Available in Castro Valley
Connection:
Mobile
Mint
4GLTE Speeds may vary

User Rating
2. Visible
Available in Castro Valley
Connection:
Mobile
Visible
4GLTE Speeds may vary

User Rating
3. AT&T Wireless
99% available in Castro Valley
Connection:
Mobile
AT&T Wireless
5G Speeds may vary

User Rating
4. Xfinity Mobile
Available in Castro Valley
Connection:
Mobile
Xfinity Mobile
4GLTE Speeds may vary

User Rating

Save up to $830 on an eligible 5g phone with trade in!

5. Verizon Wireless
99% available in Castro Valley
Connection:
Mobile
Verizon Wireless
4GLTE Speeds may vary

User Rating

What’s a good internet speed?

Take our quiz to find out how much internet speed you need. Or use our internet speed test to test your current speeds.

0–5 Mbps

Works for:

  • Checking email
  • Streaming music on one device
  • Searching on Google

5–40 Mbps

Works for:

  • Streaming video on one device
  • Video calling with Skype or FaceTime
  • Online gaming for one player

40–100 Mbps

Works for:

  • Streaming HD video on a few devices
  • Multiplayer online gaming
  • Downloading large files

100–500 Mbps

Works for:

  • Streaming video in UHD on multiple screens
  • Downloading files quickly
  • Gaming online for multiple players

500–1,000+ Mbps

Works for:

  • Doing a lot of almost anything

Internet in Castro Valley

Moving towns or switching internet providers can be confusing and stressful. Comparing internet providers against the averages in the Castro Valley area can help you choose the right internet and get back to your life.

Average starting price
$75.69/mo

Average speed
178.7 Mbps

Fastest provider

Most popular provider

Best value provider

Most reliable provider

Castro Valley Residential Internet Coverage

Residents of Castro Valley live in some of the most expensive homes in both the United States and California. The white collar-residents tend to be well-educated and wealthy. Residents are ethnically diverse with nearly 19% of residents of Hispanic or Latino descent. Further adding to the city's character, more than 23% of Castro Valley residents were born outside the United States.

DSL users have several options in Castro Valley. AT&T reaches 100% of residents with this service. Sonic.net reaches 7% of residents north of I-580 and New Edge Networks offers DSL to 1% of the area east of Skyline Blvd. Cable internet users can connect with Xfinity, reaching 98% of Castro Valley residents.

Businesses in the area can also connect with copper wire from Megapath or TW Telecom.

Is your internet running slow?

Chances are all that buffering and lag you’re experiencing is not normal. Test your internet speed with our helpful tool to find out if you need faster internet.

Test your current speed

Take our speed test so you can compare your internet service against the competition.

Test your speed to load comparison data

Download speed
000 Mbps

Upload speed
000 Mbps

Latency (ping)
00 ms

Jitter
00 ms

Compare to speeds in your area

Our averages are based on hundreds of thousands of speed tests just like yours.

Data based on internet speed tests performed in Castro Valley

Average download speed
178.72 Mbps

Average upload speed
66.59 Mbps

Average latency (ping)
16.78 ms

Average jitter
13.63 ms

 

Looking for an easy way to test and track your internet speed anywhere?

Download our free, easy-to-use speed test app for quick and reliable results.

Internet Provider Availability Map

Click to Activate Interactive Map

Learn more about AT&T

Learn more about EarthLink

Learn more about Xfinity

Learn more about Sail Internet

Learn more about Sonic

Learn more about Hughesnet

Learn more about Viasat

Learn more about ispMint

Learn more about Easy Internet Now

Learn more about Etheric Networks

What is the best internet provider in Castro Valley?

Compare internet providers in your area

Still unsure which internet provider to choose? Check out some of our head-to-head comparisons to help narrow down your decision.

vs

Summary of Castro Valley internet providers

Provider Type Download speeds up to User rating Order online
AT&T Fiber 5000 Mbps 3.5/5 View Plans for AT&T
EarthLink Fiber 5000 Mbps 4.0/5 View Plans for EarthLink
Xfinity Cable 1200 Mbps 3.5/5 View Plans for Xfinity
Sail Internet Fiber & Fixed Wireless 1000 Mbps 5.0/5 View Plans for Sail Internet
Sonic Fiber 10000 Mbps 4.5/5 View Plans for Sonic
Hughesnet Satellite 100 Mbps 3/5 View Plans for Hughesnet
Viasat Satellite 150 Mbps 3/5 View Plans for Viasat
ispMint DSL 100 Mbps 4.5/5
Easy Internet Now Fiber 5000 Mbps 4.5/5
Etheric Networks Fixed Wireless 25 Mbps 5.0/5 View Plans for Etheric Networks

Availability and speeds displayed are not guaranteed and are subject to change.

Technology Type

DSL:

DSL provides internet service via phone cables and is up to ten times faster than dial-up service.

Cable:

Cable provides internet speeds faster than DSL through the same cables used for cable TV.

Satellite:

Satellite internet is widely available, but offers slower speeds due to a far-traveling signal.

Fiber:

Fiber relies on glass strands to relay digital code and is much faster than both DSL and cable.

Customer reviews of internet providers in Castro Valley

Be the first to leave a review.

Write a review

See internet providers in nearby cities.

Live in a small town or suburb outside of Castro Valley? We got you covered, too.

    CA    Castro Valley
Back to top