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

ZIP code in Alto

Alto ZIP code: 94941.

Distances are straight-line from Lexington Hills 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.

About Alto

Alto is an unincorporated community (a census-designated place) in Marin County. The area of Alto is about 0.1 square miles; its population is about 659, or 5,069 per square mile. The name Alto is shared by 4 places across the country. This is the one in Marin County. Richmond, a city of about 115,353, is the closest larger city: about 9 miles east of Alto.

On the map near Alto

Neighborhoods and nearby communities around Alto include Almonte, Strawberry, Mill Valley, Corte Madera, Marin City, Larkspur, and Kentfield.

Green spaces in and around Alto: Horse Hill Open Space Preserve, Tiburon Ridge Open Space Preserve, Alto Bowl Open Space Preserve, and Camino Alto Open Space Preserve.

Public schools near the center of 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.

Alto at 19 feet

Ground elevation at the center of Alto is about 19 feet above sea level (USGS). Lexington Hills is at about 1,492 feet, which puts Alto about 1,450 feet lower.

Housing in Alto

Census estimates count 308 housing units in Alto. The median home was built in 1949. 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.

From Lexington Hills to Alto

Measured in a straight line, Alto is about 59 miles northwest of Lexington Hills. Road distance is longer, and it is one of the farther places on this site's list. A county line separates the two: Lexington Hills is in Santa Clara County, Alto is in Marin County. Of the 189 places on this site's list, Alto ranks 184th in distance from Lexington Hills. On a map, Los Altos Hills, Stanford, Atherton, and North Fair Oaks sit roughly between Lexington Hills and Alto. Nearest to Lexington Hills on this site's list: Lompico, Los Gatos, Zayante, and Monte Sereno.

Census Bureau ACS 2018-2022 estimates and USGS elevation.

What the repair pages cover

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

Places near Alto

Other places near Alto that also have a page on this site:

• Mill Valley 1 mi
• Marin City 2 mi
• Tiburon 3 mi
• Belvedere Tiburon 3 mi
• Belvedere 3 mi
• Sausalito 4 mi
• North Richmond 9 mi
• Albany 11 mi
• East Richmond Heights 11 mi
• El Cerrito 12 mi

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

Prefer the Alto pages themselves? Go to the Alto page of our website.