In Seacliff there is 1 residential Cable provider covering 99.30% of the neighborhood. The average home can get speeds up to 1,284 Mbps. Note that we may have a financial relationship with some of the providers below. This does not influence rankings, and helps us provide high-quality detailed information for free.
This page contains all Cable internet providers in Seacliff, San Francisco, CA.
To see availability maps for all providers including fiber, cable, DSL, and more in Seacliff, San Francisco, CA please click below.
Seacliff, San Francisco, CA Availability Maps
Cable Internet Service Provider in Seacliff
Data updated 11/14/2025, based on FCC data from 12/31/2024. This is the most current data available as of .
To avoid wasting your time, providers with less than 1% coverage in Seacliff are not shown.
Seacliff Satellite TV & Internet Providers
DISH Satellite TV
DIRECTV Satellite TV
Not sure whether to choose Dish or DIRECTV? For most people most of the time we recommend DISH. But click here to learn more.
Viasat Satellite Internet
Where in Seacliff is cable internet available?
Cable Internet Availability Key
Cable is available in 99.30% of Seacliff. Areas in green have cable internet service, where areas in yellow or red may not. The most widely available provider is XFINITY. Call one of the companies with service in Seacliff above to see who has service at your home.
How fast is cable internet in Seacliff?
The map below shows maximum cable internet speeds by area in Seacliff.
Cable Internet Speed Key
The average Seacliff home can get up to 1,284 Mbps on their cable internet plan. The fastest cable download speed in the neighborhood is 2,000 Mbps, which 10.46% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 88.84% of homes can only purchase plans up to 1,200 Mbps. See the internet provider details below for info about their speed and coverage in Seacliff.
Cable internet speeds tend to be faster in the northeast parts of Seacliff, and slower in the south areas of the neighborhood.
Is cable the fastest internet I can get in Seacliff?
The fastest internet for you may vary based on where in Seacliff you live. In general, fiber competes most often with cable in the neighborhood.
- Fiber is the fastest internet type for 63.01% of Seacliff homes.
- Cable is fastest for 36.29% of the neighborhood.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for less than 1%.
- Satellite internet may be the only option for less than 1% of Seacliff homes.
Cable Providers in Depth
Below you'll find which TV and internet providers offer service in Seacliff, along with details on where in Seacliff and at what speeds.
XFINITY from Comcast Cable in Seacliff, San Francisco, CA
XFINITY cable coverage
About 99.30%, or 12,847 people, have XFINITY cable internet available to them in the neighborhood. The company covers the entire Seacliff area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in most of Seacliff.
XFINITY from Comcast cable download speeds
XFINITY is above average when comparing download speeds to all other internet providers in Seacliff. Versus other cable providers in the area, XFINITY cable is the fastest. There are 2 different maximum speeds throughout Seacliff. The fastest plan anyone in Seacliff can order from XFINITY goes up to 2,000 Mbps, the slowest package only goes up to 1,200 Mbps, and the neighborhood-wide average maximum speed for Seacliff customers is up to 1,284 Mbps.
Show all download speeds
- 10.5% up to 2,000.0 Mbps
- 89.5% up to 1,200.0 Mbps
XFINITY from Comcast cable upload speeds
In Seacliff download speeds tend to be faster than than upload speeds for XFINITY cable. Compared to other ISPs, XFINITY is below average where upload speeds are concerned, and the fastest compared to other Seacliff cable providers. XFINITY offers 2 different upload speeds across the neighborhood, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Seacliff is up to 250 Mbps. Some customers have slower plan choices, which only go up to 35 Mbps. On average, XFINITY customers can get speeds up to 58 Mbps.
Show all upload speeds
- 10.5% up to 250.0 Mbps
- 89.5% up to 35.0 Mbps
Seacliff Cable by Area
This information is most helpful to those looking for homes or considering moving to Seacliff or any of the areas nearby.
How does cable internet in Seacliff compare to the rest of San Francisco?
Cable internet speeds in Seacliff are much faster versus the average speeds in San Francisco: 0.00 Mbps in San Francisco versus 1,284 Mbps in the neighborhood. The city has similar cable availability compared to the neighborhood. Average cable coverage in San Francisco is 0.00% versus 99.30% in Seacliff.
What zip codes have cable internet?
Cable internet coverage varies by zip code and neighborhood. Some examples in or around Seacliff are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does cable internet look like in other neighborhoods?
Below are neighborhoods nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Neighborhoods
- Outer Richmond, San Francisco, CA: more cable coverage, faster speeds
- Inner Richmond, San Francisco, CA: less cable coverage, faster speeds
- Presidio Heights, San Francisco, CA: more cable coverage, faster speeds
- Outer Sunset, San Francisco, CA: more cable coverage, faster speeds
- Inner Sunset, San Francisco, CA: more cable coverage, faster speeds
- Haight-Ashbury, San Francisco, CA: more cable coverage, faster speeds
- Cole Valley, San Francisco, CA: more cable coverage, faster speeds
- Parkside, San Francisco, CA: more cable coverage, faster speeds
- Twin Peaks, San Francisco, CA: more cable coverage, faster speeds
- Western Addition, San Francisco, CA: less cable coverage, faster speeds
Neighborhoods with Similar Populations
- Pershing, Detroit, MI: more cable coverage, faster speeds
- King, Portland, OR: more cable coverage, faster speeds
- Lake Nona, Orlando, FL: less cable coverage, slower speeds
- Lee-Miles, Cleveland, OH: more cable coverage, slower speeds
- Lower East Side, Milwaukee, WI: more cable coverage, slower speeds
- Lower Roseville, Newark, NJ: more cable coverage, slower speeds
- Mandarin Station-Losco, Jacksonville, FL: more cable coverage, faster speeds
- Mandell, Chicago, IL: more cable coverage, faster speeds
- Maple Leaf, Seattle, WA: more cable coverage, faster speeds
- Aberdeen, Hampton, VA: less cable coverage, faster speeds