Santa Clarita is associated with the ZIP code(s) 91350, 91351, 91354, 91355, 91381, 91384, 91387, 91390. ZIP boundaries don't always match neighborhood or school-attendance lines exactly, so use ZIP as a rough guide and verify schools and tax details at the address level.
Santa Clarita ZIP codes
The Santa Clarita area covers 91350, 91351, 91354, 91355, 91381, 91384, 91387, 91390. ZIP codes are postal routing areas - they can cross neighborhood and even city lines, and they don't determine school attendance or tax rate by themselves.
What actually varies by location
Within Santa Clarita, price, school assignment, and any Mello-Roos can differ block to block. For a specific home, confirm the assigned schools and the exact tax/CFD picture rather than assuming by ZIP.
Santa Clarita and Valencia both sell into ZIP 91354. In June 2026 Valencia closed at a median of $1,050,000 across 7 sales, Santa Clarita at $809,000 across 11 — 30% apart inside the same ZIP code. If you are comparing listings by ZIP alone, that gap is the part the ZIP does not tell you. (Source: Chicago Title Market Trend Report, June 2026 full-value sales, compiled from MLS and public recorded data; pulled 2026-08-15.)
Frequently Asked Questions
What ZIP codes are in Santa Clarita?
Santa Clarita is associated with the ZIP code(s) 91350, 91351, 91354, 91355, 91381, 91384, 91387, 91390. ZIP boundaries don't always match neighborhood or school-attendance lines exactly, so use ZIP as a rough guide and verify schools and tax details at the address level.
Does ZIP code determine schools in Santa Clarita?
No - school attendance is set by address-level boundaries, not ZIP. Verify the assigned school for a specific address with the district.
