Alum Rock, CA: ZIP codes, distance and what to know

ZIP code in Alum Rock

Alum Rock ZIP code: 95127.

Distances are straight-line from San Anselmo to the center of each ZIP code area. Residents, median year built and owner-occupied share are U.S. Census Bureau ACS 2018-2022 estimates for the ZIP code area. ZIP codes in Alum Rock: those whose USPS city name is Alum Rock (GeoNames) plus those whose area overlaps Alum Rock (U.S. Census ZCTA-to-place relationship file); a ZIP code can belong to more than one city. Listing a ZIP code here does not mean service to every address in it.

Around Alum Rock

Nearby places on the map include East Foothills, San Jose, Milpitas, Burbank, Fruitdale, and Santa Clara.

Parks in and around Alum Rock include Mount Pleasant Park, Fleming Park, Nancy Lane Plaza, and LoBue Park.

Public schools near the center of Alum Rock include James Lick High, Escuela Popular Accelerated Family Learning, Escuela Popular/Center for Training and Careers Family Lrng, and Joseph George Middle.

Sources: OpenStreetMap contributors (neighborhoods, parks, museums), National Center for Education Statistics (public schools), CMS (hospitals). See also the Alum Rock city guide.

About Alum Rock

Alum Rock is an unincorporated community (a census-designated place) in Santa Clara County. About 11,831 people live in the 0.9 square miles of Alum Rock (around 13,599 per square mile).

From San Anselmo to Alum Rock

Measured in a straight line, Alum Rock is about 59 miles southeast of San Anselmo. Road distance is longer, and it is one of the farther places on this site's list. Alum Rock belongs to Santa Clara County, while San Anselmo is in Marin County. Of the 213 places on this site's list, Alum Rock ranks 209th in distance from San Anselmo. On a map, Alameda, Hayward, Newark, and Fremont sit roughly between San Anselmo and Alum Rock. The places on this site's list closest to San Anselmo are Ross, Fairfax, Sleepy Hollow, and Greenbrae.

Census Bureau ACS 2018-2022 estimates and USGS elevation.

Alum Rock at 165 feet

Ground elevation at the center of Alum Rock is about 165 feet above sea level (USGS). San Anselmo is at about 83 feet, so the two sit at nearly the same elevation.

The houses of Alum Rock

Census estimates count 2,964 housing units in Alum Rock. Half the homes date from 1955 or earlier; 84% were built before 1980. About 71 in 100 occupied homes in Alum Rock are lived in by their owners. Where many homes are older, original springs, cables and openers are more likely to be near the end of their service life.

Housing figures: U.S. Census Bureau, American Community Survey 2018-2022 5-year estimates for Alum Rock.

Around Alum Rock

Places close to Alum Rock with a page on this site:

• East Foothills 1 mi
• San Jose 4 mi
• Milpitas 6 mi
• Fruitdale 7 mi
• Santa Clara 8 mi
• Alviso 9 mi
• Campbell 9 mi
• Sunnyvale 11 mi

What the repair pages cover

Read about off-track doors, new garage doors, emergency repair, snapped cables, and broken spring replacement before you call. The pricing page lists starting prices, and a phone call confirms whether service reaches your address.

To check whether garage door service reaches your Alum Rock address, call the number above; dispatch can confirm it, and the exact price is confirmed before any work starts.

The Alum Rock page of our website has its own pages and starting prices: visit the Alum Rock page.