93063 is East Simi Valley — older inventory (1968-1985 build era), more condos and townhomes, lower median price (~$760K), includes Tamarack and The Knolls. 93065 is West Simi Valley — includes Wood Ranch, Big Sky, Bridle Path, Strathearn historic core, higher median (~$985K), newer master-planned communities. The 118 freeway and Tapo Canyon Road roughly mark the boundary.
Why this question matters
The two main Simi Valley ZIP codes are 93063 (East) and 93065 (West). The boundary roughly follows the 118 freeway alignment and Tapo Canyon Road, though specific street boundaries don't precisely match the freeway.
Both ZIPs are in Ventura County and are served by SVUSD. The differences come down to build era, neighborhood type, price band, and proximity to specific amenities.
93063 profile (East Simi)
Median home price ~$760K (May 2026). Build era heavy 1968-1985. Includes Tamarack (entry-level tract), The Knolls / Santa Susana Knolls (hillside, no HOA, septic on some lots), and parts of Madera-area. Quick access to 118 east via Erringer Road and Yosemite Avenue. Closer to the Moorpark border.
93065 profile (West Simi)
Median home price ~$985K (May 2026). Build era spans 1900s-2022 (widest range). Includes Wood Ranch (master-planned, country club), Big Sky (hillside master-plan), Bridle Path (equestrian), Strathearn Historic District (original Simi homesteads), Sycamore Grove (newest Lennar), Silverthorne (gated), Whitfield Estates, Canyon Creek, Morrison Highlands, Aldea. Quick access to 118 west via Madera Road and Tapo Canyon Road.
Schools by ZIP
Both ZIPs are SVUSD. 93063 schools typically Mountain View Elementary, Hillside Middle, Royal High (some east-tract assignments to Simi Valley High). 93065 schools more varied: Wood Ranch Elementary, Madera Elementary, Big Sky Elementary, Sycamore Canyon Middle, Royal High, Santa Susana High. Verify per address via SVUSD Find My School.
Price differential
On equivalent square footage, 93065 typically trades $50K-$150K higher than 93063, reflecting the newer build, master-planned communities, and amenity stack. Older 93065 inventory (Strathearn, central west Simi) trades closer to 93063 medians.
Frequently Asked Questions
What is the difference between Simi Valley ZIP codes 93063 and 93065?
93063 is East Simi Valley — older inventory (1968-1985 build era), more condos and townhomes, lower median price (~$760K), includes Tamarack and The Knolls. 93065 is West Simi Valley — includes Wood Ranch, Big Sky, Bridle Path, Strathearn historic core, higher median (~$985K), newer master-planned communities. The 118 freeway and Tapo Canyon Road roughly mark the boundary.
