Santa Susana Park No. 1
Santa Susana Park No. 1, recorded on October 6, 1925, is the oldest of the Box Canyon-area maps. It sits on the mesa east of the canyon at the Los Angeles County line. Engineer George Wall surveyed it in June 1925 for owners including Amos F. and Helen B. Mortimer.
Mostly documented: the name and location are confirmed; some details rest on a single source.
Updated · Corrections: send a correction
Santa Susana Park No. 1 quick facts
| Neighborhood | Box Canyon, Simi Valley |
|---|---|
| Builder | Amos F. and Helen B. Mortimer and partners (subdividers of record) |
| Homes | About 12 (of 82 parcels) |
| Home types | Single-family homes on individual lots; many lots vacant |
| Streets | Mesa Dr, Canyon Dr |
| Tract map | Santa Susana Park No. 1 (15 MR 11) |
Approximate location, not a tract boundary.
About Santa Susana Park No. 1
The county roll lists about 82 parcels, around a dozen with buildings, most of them in the 7800 block of Mesa Drive. The county's ZIP map places this area in Simi Valley's 93063, and Santa Susana Pass State Historic Park borders it at the county line.
Schools for Santa Susana Park No. 1
School attendance areas
This page doesn't name assigned schools: its recorded outline isn't in county GIS. Check an address with School Boundary Maps or this site's checker.
Box Canyon, Simi Valley
Box Canyon is an unincorporated pocket of the Simi Hills along Box Canyon Road, a two-lane county road that runs about 2.1 miles from the Los Angeles County line north to Santa Susana Pass Road. Most of its lots trace to eight subdivision maps filed in 1925 and 1926 for Amos F. and Helen B. Mortimer and partners, and county records show roughly 120 parcels with buildings today.
Other tracts in Box Canyon
Homes for sale near Santa Susana Park No. 1
Every MLS listing here, with photos, prices and details, is on Properkey.
Browse homes for sale in Simi Valley on Properkey
Real estate information provided by Properkey (CA DRE #01979718 · NMLS #1438783), which is not the listing broker unless stated.
Where these facts come from
- Santa Susana Park No. 1, 15 MR 11 (Ventura County record map) — maps.ventura.org
- Ventura County GIS: recorded map index — maps.ventura.org
- Ventura County GIS parcel layer — maps.ventura.org
- California State Parks: park boundaries layer (Santa Susana Pass SHP) — services2.arcgis.com
Something wrong or missing on this page? Residents know their streets best. Send a correction and we'll check it against the records and fix it.