In Castro-Upper Market there are 2 residential Cable providers covering 100.00% of the neighborhood. The average home can get speeds up to 1,794 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 Castro-Upper Market, San Francisco, CA.
To see availability maps for all providers including fiber, cable, DSL, and more in Castro-Upper Market, San Francisco, CA please click below.
Castro-Upper Market, San Francisco, CA Availability Maps
Cable Internet Service Providers in Castro-Upper Market
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 Castro-Upper Market are not shown.
Castro-Upper Market 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 Castro-Upper Market is cable internet available?
Cable Internet Availability Key
Cable is available in 100.00% of Castro-Upper Market. 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 Castro-Upper Market above to see who has service at your home.
How fast is cable internet in Castro-Upper Market?
The map below shows maximum cable internet speeds by area in Castro-Upper Market.
Cable Internet Speed Key
The average Castro-Upper Market home can get up to 1,794 Mbps on their cable internet plan. The fastest cable download speed in the neighborhood is 2,000 Mbps, which 59.16% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, less than 1% 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 Castro-Upper Market.
Cable internet speeds tend to be faster in the southwest parts of Castro-Upper Market, and slower in the northwest areas of the neighborhood.
Is cable the fastest internet I can get in Castro-Upper Market?
The fastest internet for you may vary based on where in Castro-Upper Market you live. In general, fiber competes most often with cable in the neighborhood.
- Fiber is the fastest internet type for 33.06% of Castro-Upper Market homes.
- Cable is fastest for 66.94% 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 Castro-Upper Market homes.
Cable Providers in Depth
Below you'll find which TV and internet providers offer service in Castro-Upper Market, along with details on where in Castro-Upper Market and at what speeds.
XFINITY from Comcast Cable in Castro-Upper Market, San Francisco, CA
XFINITY cable coverage
About 100.00%, or 14,406 people, have XFINITY cable internet available to them in the neighborhood. The company covers the entire Castro-Upper Market area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in every corner of Castro-Upper Market.
XFINITY from Comcast cable download speeds
XFINITY is above average when comparing download speeds to all other internet providers in Castro-Upper Market. Versus other cable providers in the area, XFINITY cable is the fastest. There are 2 different maximum speeds throughout Castro-Upper Market. The fastest plan anyone in Castro-Upper Market 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 Castro-Upper Market customers is up to 1,673 Mbps.
Show all download speeds
- 59.2% up to 2,000.0 Mbps
- 40.8% up to 1,200.0 Mbps
XFINITY from Comcast cable upload speeds
In Castro-Upper Market 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 Castro-Upper Market 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 Castro-Upper Market 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 162 Mbps.
Show all upload speeds
- 59.2% up to 250.0 Mbps
- 40.8% up to 35.0 Mbps
Astound Broadband Cable in Castro-Upper Market, San Francisco, CA
Astound Broadband cable coverage
About 94.57%, or 13,624 people, have Astound Broadband cable internet available to them in the neighborhood. The company covers the entire Castro-Upper Market area. Astound Broadband is one of the largest internet service providers internet service providers in the US, with internet service available in most of Castro-Upper Market.
Astound Broadband cable download speeds
Astound Broadband is above average when comparing download speeds to all other internet providers in Castro-Upper Market. Versus other cable providers in the area, Astound Broadband cable is the slowest. There are no different maximum speeds throughout Castro-Upper Market. The fastest plan anyone in Castro-Upper Market can order from Astound Broadband goes up to 1,500 Mbps, and all Castro-Upper Market customers can get this speed.
Show all download speeds
- 100.0% up to 1,500.0 Mbps
Astound Broadband cable upload speeds
In Castro-Upper Market download speeds tend to be faster than than upload speeds for Astound Broadband cable. Compared to other ISPs, Astound Broadband is below average where upload speeds are concerned, and the slowest compared to other Castro-Upper Market cable providers. Astound Broadband offers no different upload speeds across the neighborhood. The fastest upload speed available to anyone from this ISP in Castro-Upper Market is up to 50 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 50.0 Mbps
Castro-Upper Market Cable by Area
This information is most helpful to those looking for homes or considering moving to Castro-Upper Market or any of the areas nearby.
How does cable internet in Castro-Upper Market compare to the rest of San Francisco?
Cable internet speeds in Castro-Upper Market are much faster versus the average speeds in San Francisco: 0.00 Mbps in San Francisco versus 1,794 Mbps in the neighborhood. The city has similar cable availability compared to the neighborhood. Average cable coverage in San Francisco is 0.00% versus 100.00% in Castro-Upper Market.
What zip codes have cable internet?
Cable internet coverage varies by zip code and neighborhood. Some examples in or around Castro-Upper Market 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
- Duboce Triangle, San Francisco, CA: equal cable coverage, slower speeds
- Liberty Street Historic District, San Francisco, CA: equal cable coverage, faster speeds
- Noe Valley, San Francisco, CA: equal cable coverage, slower speeds
- Cole Valley, San Francisco, CA: equal cable coverage, faster speeds
- Haight-Ashbury, San Francisco, CA: equal cable coverage, slower speeds
- Twin Peaks, San Francisco, CA: equal cable coverage, slower speeds
- Diamond Heights, San Francisco, CA: equal cable coverage, slower speeds
- Mission, San Francisco, CA: less cable coverage, slower speeds
- Western Addition, San Francisco, CA: less cable coverage, slower speeds
- Glen Park, San Francisco, CA: equal cable coverage, slower speeds
Neighborhoods with Similar Populations
- Winter Gardens, Lakeside, CA: less cable coverage, faster speeds
- Atwater Village, Los Angeles, CA: less cable coverage, slower speeds
- Aurora Highlands, Arlington, VA: less cable coverage, faster speeds
- Green Haven, Pasadena, MD: equal cable coverage, faster speeds
- Bayshore-Klatt, Anchorage, AK: less cable coverage, faster speeds
- Northwest Nashua, Nashua, NH: equal cable coverage, faster speeds
- North End, Bridgeport, CT: less cable coverage, slower speeds
- North Hills, El Paso, TX: less cable coverage, slower speeds
- North Hyde Park, Tampa, FL: less cable coverage, slower speeds
- North King St, Hampton, VA: equal cable coverage, faster speeds