
Mixed-Use Land for Sale in Kennewick, Washington
320 W Dayton St, Kennewick, WA 99336
MLS# 285484 Now available: the largest turnkey office building for sale in the Tri-Cities region. This +/-30,000 SF, two-story medical office building features two symmetrical 15,000 SF floorplates and is fully vacant-ready for owner-user occupancy, civic conversion, or adaptive reuse. Previously home to Trios Health DeBit Center, the facility was designed to accommodate up to four separate tenants and includes over 40 exam rooms per floor, multiple entry points, and a large central elevator system.Positioned on a 2.5-acre corner parcel, the building offers flexible Commercial Community zoning that supports a wide range of potential users. The site sits adjacent to Kennewick's brand-new Fire Station and regional Recovery & Addiction Center, further anchoring its potential for public-facing or community-serving redevelopment.This building continues to be maintained by the hospital's facilities team, ensuring that systems and utilities remain in good working condition. Buyer to verify Medical Use deed restrictions with the listing broker. Call for more information and tour availability.
Location
- Street address
- 320 W Dayton St
- County
- Benton County
- Zip code
- 99336
- Elevation
- 398 feet
Directions
Head west on W Kennewick Ave, turn right onto N Dayton St, and continue to the intersection with W Dayton St; the destination will be on your left
Property details
- Acreage
- 2.5 acres
- Zoning
- COMMCL OFFICE
- MLS #
- PACMLS 285484
- Posted
Property taxes
- 2024
- $36,594
Parcels
- 101894BP5536002
Details and features
Listing
- Type
- Residential
- Subtype
- Office
Exterior
- Parking Spaces
- 75
Listing history
| Date | Event | Price | Change | Source |
|---|---|---|---|---|
| July 22, 2026 | New listing | $5,750,000 | — | PACMLS |


























