Distribution of residential parcels in Walla Walla County, from the 2025 certified assessor values.
Count in each 2025 market-value band.
From the assessor's improvement attributes.
Earliest recorded main-structure construction year per parcel.
Market value divided by finished area — a size-normalized price measure.
How long the current owner has held each parcel, from the most recent recorded arm's-length sale (sale price > 0).
Number of recorded arm's-length sales per parcel. Distinguishes frequently-traded parcels from those held for decades or never sold on record.
Derived from owner name and mailing address. Owner-occupancy is estimated by comparing each owner's mailing address to the property address — an industry-standard proxy, not exact.
Owner-occupied vs. non-owner-occupied (absentee / rental).
Natural person vs. business / government / institutional / trust.
Real geography (U.S. Census tracts) merged with the assessor's quality tier — each tract's bar is stacked by how many of its parcels fall in each quality band.
By U.S. Census tract; higher = more absentee / rental.
Share of residential parcels owned by a business entity (LLC / Corp / Holdings…), ranked highest first — a proxy for investor ownership.