Thurston County Assessor
Parcel Number: 85290002400
 
Situs Address: 3010 31ST AVE NW
 
Owner: KOONG, DENNIS T & PATRICIA G
Address:3010 31ST AVE NW
 OLYMPIA, WA 98502
 
Taxpayer: KOONG, DENNIS T & PATRICIA G
Address:3010 31ST AVE NW
 OLYMPIA, WA 98502
 
Abbreviated Legal:Section 04 Township 18 Range 2W Quarter SW NW Plat WOODTRAILS LT 24 Document 3902074
 
Date: 2/21/2026
 
Sect/Town/Range:04 18 2W
 
Size:.12 Acres
UseCode:11 Single Unit
TCA Number:160
Neighborhood:12V3
Property Type:RES
Total Living Units:1
Taxable:YES
Active Exemptions:None
Fire District:FIRE DISTRICT #09
School District:OLYMPIA S.D. #111
 
Water Source:PUBLIC
Sewer Type:SEWER

Market Values

Tax Year2026202520242023202220212020201920182017
Assessment Year2025202420232022202120202019201820172016
 
Market Value Land$179,700$158,000$127,700$96,600$81,500$80,900$61,700$56,000$55,800$59,550
Market Value Buildings$422,100$402,100$398,900$443,700$365,000$293,700$304,700$282,900$269,900$300,800
Market Value Total$601,800$560,100$526,600$540,300$446,500$374,600$366,400$338,900$325,700$360,350

Residential Structures

Year Built2007 Fireplaces/Wood Stoves1
Construction2 STORY Heat TypeFORCED-AIR
Construction QualityAVERAGE Fuel TypeGAS
Physical ConditionAVERAGE Foundation TypeCONCRETE
Number of Bedrooms4 Exterior Wall TypeWOOD-SIDING
Full Baths2 Roofing MaterialCOMPOSITION
Partial Baths1     
   
Residence Square Footage
Main Finished Area1190
Upper Finished Area1574
Attached Garage Square Footage
Built-in Garage Area420
Misc Structures
Covered Porch42
Patio144

Land Characteristics

Land Flag1100
 
Lot Square Footage5227
 
Lot Acreage0.12
 
Effective FrontageNot Listed
 
Effective DepthNot Listed
 
Land Influence(s)GD-GOOD NBHD APPEAL

Sales

Sale Date:09/17/2007
Price:$383,816
Excise:702659
Sale Type:STATUTRY WARNTY DEED
Recording Number:3963034
Seller:DEERING & NELSON INC
Buyer:KOONG DENNIS T & PATRICIA G
Multiple Parcel Sale:N
 

The Assessor's Office maintains property records on approximately 112,000 parcels in Thurston County for tax purposes. Though records are updated regularly, the accuracy and timeliness of published data cannot be guaranteed. Any person or entity that relies on information obtained from this website does so at his or her own risk. Neither Thurston County nor the Assessor will be held liable for damage or losses caused by use of this information. All critical information should be independently verified.
 

Office of the Assessor

Steven J. Drew, Assessor
3000 Pacific Ave SE, Olympia WA 98501
Customer Service (360)867-2200 -- Fax (360)867-2201 -- TDD (360)754-2933