Thurston County Assessor
Parcel Number: 13723140100
 
Situs Address: 9545 DELPHI RD SW
 
Owner: MATTSON, ROBERT R & CANDACE L
Address:9545 DELPHI RD SW
 OLYMPIA, WA 98512
 
Taxpayer: MATTSON, ROBERT R
Address:9545 DELPHI RD SW
 OLYMPIA, WA 98512
 
Abbreviated Legal:23-17-3W SE NE TR A SURVEY 965034 VOL 4 PG 150
 
Date: 2/21/2026
 
Sect/Town/Range:23 17 3W
 
Size:5.13 Acres
UseCode:11 Single Unit
TCA Number:471
Neighborhood:08L1
Property Type:RES
Total Living Units:1
Taxable:YES
Active Exemptions:None
Fire District:FIRE DISTRICT #11
Fire District:W THURSTON RFA
School District:TUMWATER S.D. #33
 
Water Source:WELL
Sewer Type:SEPTIC

Market Values

Tax Year2026202520242023202220212020201920182017
Assessment Year2025202420232022202120202019201820172016
 
Market Value Land$275,800$253,900$227,700$185,600$159,200$145,300$135,200$118,800$120,800$100,100
Market Value Buildings$293,000$300,400$337,000$339,400$266,200$197,300$176,000$183,700$170,400$160,900
Market Value Total$568,800$554,300$564,700$525,000$425,400$342,600$311,200$302,500$291,200$261,000

Residential Structures

Year Built1978 Fireplaces/Wood Stoves1
Construction1 1/2 STORY Heat TypeBASEBOARD-HT
Construction QualityAVERAGE Fuel TypeELECTRIC
Physical ConditionGOOD Foundation TypeCONCRETE
Number of Bedrooms3 Exterior Wall TypeTEX1-11/PWD
Full Baths1 Roofing MaterialCOMPOSITION
Partial Baths1     
   
Residence Square Footage
Main Finished Area1144
Upper Finished Area352
Misc Structures
Covered Porch220
Wood Deck440

Detached Structures

StructureYear BuiltSquare FeetQualityCondition
 
LEAN-TO1991240LOW-COSTAVERAGE
SHOP1978280FAIRAVERAGE
CARPORT1978440FAIRAVERAGE
SHOP2000960GOODGOOD

Land Characteristics

Land Flag9150
 
Lot Square FootageNot Listed
 
Lot Acreage5.13
 
Effective FrontageNot Listed
 
Effective DepthNot Listed
 
Land Influence(s)No Influences Listed

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