Walnut Homes for Sale & Real Estate Market

Frequently Asked Questions

Which school district serves Walnut?

Most of Walnut is served by Walnut Valley Unified School District, with a portion of the city falling inside Rowland Unified School District instead. District boundaries follow their own lines rather than the city limits, so the city name on a listing does not settle the question, and homes on nearby streets can carry different assignments. Within the local market, the district split is one of the details buyers ask about most, and it is worth resolving early because it can shape which homes belong on a shortlist at all. Attendance boundaries can also shift over time as districts adjust to enrollment, so information remembered from a few years ago, or repeated from a listing description, is not reliable on its own. Before writing an offer on a specific property, verify the assigned schools for that address directly with the district, which we do as part of offer preparation.

What ZIP code covers Walnut?

Walnut is covered by ZIP code 91789, which it shares with neighboring Diamond Bar. Walnut holds about 81% of that ZIP's residential parcels and Diamond Bar most of the remainder, so a ZIP code alone does not establish which city a home is in, and online searches filtered by ZIP will mix the two markets together. That mixing matters because the cities differ in ways buyers care about: school district assignments, municipal services, and the character of individual neighborhoods all follow city and district boundaries rather than the postal one. The postal city on a mailing address can even differ from the actual jurisdiction for homes near the boundary. When the distinction is relevant to your search, rely on the parcel's recorded city rather than the address line, and we can confirm both the city and the school assignment for any specific property you are considering.

How can I check current home prices and inventory in Walnut?

The fastest way is our Walnut market data page, where current medians, price per square foot, and days on market are refreshed from the MLS every 15 minutes, a live read rather than the dated figures that circulate on national portals. Numbers still need context in a market like Walnut, though. Inventory is predominantly detached single-family homes on graded hillside lots, and monthly sales volume is modest, so a few unusually large or small closings can swing a simple median noticeably from one month to the next. It is also worth watching the split between Walnut and neighboring Diamond Bar, since the shared 91789 ZIP code causes many automated estimates to blend the two cities. For a specific street or property, we can pull the active, pending, and recently sold comparables directly and walk through what they imply, which beats any citywide figure.

Walnut on the Map

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