Alto, CA: ZIP codes, distance and what to know

ZIP code in Alto

ZIP code in Alto: 94941.

Distances are straight-line from Boulder Creek 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 Alto: those whose USPS city name is Alto (GeoNames) plus those whose area overlaps Alto (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.

On the map near Alto

Next to and around Alto you will find Strawberry, Mill Valley, Corte Madera, Tamalpais-Homestead Valley, Marin City, and Belvedere.

Parks in and around Alto include Horse Hill Open Space Preserve, Tiburon Ridge Open Space Preserve, Alto Bowl Open Space Preserve, and Camino Alto Open Space Preserve.

Schools in and around Alto include Edna Maguire Elementary, Mill Valley Middle, Strawberry Point Elementary, and Park Elementary.

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

About Alto

Alto is an unincorporated community (a census-designated place) in Marin County. About 659 people live in the 0.1 square miles of Alto (around 5,069 per square mile). The name Alto is shared by 4 places across the country. This is the one in Marin County.

Boulder Creek and Alto on the map

Measured in a straight line, Alto is about 57 miles north of Boulder Creek. Road distance is longer, and it is one of the farther places on this site's list. Boulder Creek is in Santa Cruz County and Alto is in Marin County. Of the 175 places on this site's list, Alto ranks 161st in distance from Boulder Creek. Between Boulder Creek and Alto the map shows Portola Valley, Woodside, Baywood Park, and Burlingame. The places on this site's list closest to Boulder Creek are Brookdale, Lompico, Ben Lomond, and Zayante.

Census Bureau ACS 2018-2022 estimates and USGS elevation.

Elevation and setting

Ground elevation at the center of Alto is about 19 feet above sea level (USGS). Boulder Creek is at about 497 feet, which puts Alto about 500 feet lower.

Homes in Alto

Alto has about 308 housing units, according to the Census Bureau. Half the homes date from 1949 or earlier; 81% were built before 1980. Single-family detached houses make up 65% of Alto's homes. 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 Alto.

Around Alto

Places close to Alto with a page on this site:

• Mill Valley 1 mi
• Corte Madera 2 mi
• Marin City 2 mi
• Larkspur 2 mi
• Belvedere Tiburon 3 mi
• Belvedere 3 mi
• Berkeley 12 mi
• Emeryville 13 mi
• Daly City 14 mi

Garage door repairs, explained

If you are comparing repair options, our pages on opener repair, emergency repair, off-track doors, snapped cables, and broken spring replacement explain what each job involves. Starting prices are on the pricing page; service at your address and the exact price are confirmed by phone.

A broken spring or a door off its track in Alto is a good reason to call: dispatch will tell you on the phone whether we can reach your address and what the visit would start at.

For more about Alto, see the Alto page of our website.