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Saint Helena, CA: ZIP codes, distance and what to know
Saint Helena lies toward the outer edge of the region around Castro Valley: about 60 miles north by straight line, and farther by road. Call dispatch to confirm service at your Saint Helena address; the exact price is confirmed before work starts.
Call to confirm service at your Saint Helena addressPhone lines are open 6 AM to 11 PM, 7 days a week. Service at a specific address is confirmed by phone. Licensed California contractor, CSLB #1034050.
Call (510) 340-9295ZIP code in Saint Helena
Saint Helena ZIP code: 94574.
| ZIP | From Castro Valley | Residents | Median home built | Owner-occupied |
|---|---|---|---|---|
| 94574 | 61 mi N | 7,827 | 1968 | 67% |
Distances are straight-line from Castro Valley 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 Saint Helena: those whose USPS city name is Saint Helena (GeoNames) plus those whose area overlaps Saint Helena (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 Saint Helena
Saint Helena is a city in Napa County. The area of Saint Helena is about 5.0 square miles; its population is about 5,426, or 1,094 per square mile.
On the map near Saint Helena
Next to and around Saint Helena you will find Deer Park, Rutherford, Angwin, Oakville, and Kenwood.
Schools in and around Saint Helena include Saint Helena Elementary, Saint Helena Opportunities Program, Robert Louis Stevenson Intermediate, and Saint Helena High.
Hospitals with emergency rooms in or next to Saint Helena include Adventist Health St. Helena.
Museums and attractions in and around Saint Helena: Silverado Museum, Beringer Vineyards, and V. Sattui Winery.
Sources: OpenStreetMap contributors (neighborhoods, parks, museums), National Center for Education Statistics (public schools), CMS (hospitals).
The lay of the land
Ground elevation at the center of Saint Helena is about 223 feet above sea level (USGS). Castro Valley is at about 372 feet, which puts Saint Helena about 150 feet lower.
Housing in Saint Helena
Saint Helena has about 2,963 housing units, according to the Census Bureau. Half the homes date from 1971 or earlier. Single-family detached houses make up 69% of Saint Helena's homes. About 68 in 100 occupied homes in Saint Helena 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 Saint Helena.
From Castro Valley to Saint Helena
Measured in a straight line, Saint Helena is about 60 miles north of Castro Valley. Road distance is longer, and it is one of the farther places on this site's list. Castro Valley is in Alameda County and Saint Helena is in Napa County. Of the 267 places on this site's list, Saint Helena ranks 265th in distance from Castro Valley. On a map, Orinda, Rodeo, Crockett, and Vallejo sit roughly between Castro Valley and Saint Helena. Castro Valley uses area code 510 and Saint Helena uses 707. The places on this site's list closest to Castro Valley are Fairview, Cherryland, Ashland, and San Lorenzo.
| Side by side | Saint Helena | Castro Valley |
|---|---|---|
| Residents | 5,426 | 65,444 |
| Area (square miles) | 5.0 | 17 |
| Residents per square mile | 1,094 | 3,884 |
| Median home built | 1971 | 1966 |
| Single-family detached homes | 69% | 72% |
| Owner-occupied homes | 68% | 71% |
| Elevation (feet) | 223 | 372 |
Census Bureau ACS 2018-2022 estimates and USGS elevation.
About the repairs we do
These pages describe the repairs we do: off-track doors, new garage doors, broken spring replacement, snapped cables, and emergency repair. See the pricing page for starting prices. Whether we can reach your address is confirmed on the phone.
Close to Saint Helena
These places sit nearest Saint Helena and also have a page on this site:
- Rutherford 4 mi
- Kenwood 8 mi
- Yountville 10 mi
- Glen Ellen 12 mi
- Eldridge 13 mi
- Boyes Hot Springs 14 mi
- Napa 17 mi
- Temelec 18 mi
This page is a profile of Saint Helena, not a service promise. For an answer about your own address, call the number at the top of the page.
Prefer the Saint Helena pages themselves? Go to the Saint Helena page of our website.
Address and phone
Address:
22320 Foothill Boulevard
Castro Valley, CA 94546
Phone: (510) 340-9295
Hours: 7 days a week, 6 AM to 11 PM. Emergency service outside those hours.
Contractor licence: CSLB #1034050