Tract guide · Santa Susana Knolls, Simi Valley

Santa Susana Valley View Tract No. 1

Santa Susana Valley View Tract No. 1, recorded in July 1926, is the largest Mortimer map in the Knolls. It covers the middle of the hill along Black Canyon Road, Alta Vista Road, Crown Hill Drive and tree- and flower-named streets such as Cedar, Birch, Ash and Wisteria. About 130 of its roughly 330 parcels are built on.

Well documented: confirmed in official or multiple independent records.
Updated October 16, 2026 · Corrections: send a correction

At a glance

Santa Susana Valley View Tract No. 1 quick facts

Also called	Santa Susana Valley View Tract, Valley View Tract No. 1
Neighborhood	Santa Susana Knolls, Simi Valley
Builder	Subdivided by Amos F. and Helen B. Mortimer with co-owners (owners of record); homes individually built
Homes	About 130 built-on parcels out of roughly 330 (county parcel data)
Home types	Individually built single-family houses, many small (county improvement data median about 1,200 sq ft)
Lot sizes	Original lots about 1,500 sq ft (dozens remain); built-on parcels mostly 0.08 to 0.38 acre, median about 0.16 acre
Streets	Black Canyon Rd, Alta Vista Rd, Katherine Rd, Crown Hill Dr, Cedar St, Birch St, Ash St, Wisteria St, Loma Ln, Katey Ln, Steffen Rd, El Camino Real, Junipero St, Santa Maria St, Hunter Ln, Larkspur St, Aster St, Iris St, Cypress St
Gates	Not gated

Approximate location, not a tract boundary.

About

About Santa Susana Valley View Tract No. 1

Amos F. and Helen B. Mortimer signed as owners along with a mortgage company. Many of the original lots were only about 1,500 square feet, and dozens that small are still separate parcels. Built-on parcels usually combine several and run from about a tenth to four-tenths of an acre. Two lettered lots, X and Y, were divided again in 1927 as Susana Knolls Number One.

Schools

Schools for Santa Susana Valley View Tract 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.

Part of

Santa Susana Knolls, Simi Valley

Santa Susana Knolls, usually just called the Knolls, is the hillside community at Simi Valley's far east end. It climbs south from the railroad along Katherine and Black Canyon roads. The Mortimer family mapped it into small cabin lots between 1925 and 1927, and houses have gone up one at a time ever since. The 2020 Census counted 489 housing units in the census-designated place that covers it.

The Santa Susana Knolls guide: HOA, schools nearby, services →