Thurston County Assessor
Parcel Number: 12505220200
 
Situs Address: 18431 OLD HWY 99 SW
 
Owner: THOMPSON, BENJAMIN & DELLA
Address:18431 OLD HWY 99 SW
 ROCHESTER, WA 98579
 
Taxpayer: THOMPSON, BENJAMIN & DELLA
Address:18431 OLD HWY 99 SW
 ROCHESTER, WA 98579
 
Abbreviated Legal:5-15-2W NW NW COM 378.69F E OF NW COR E 482.65F S 0-23-4E
 
Date: 2/21/2026
 
Sect/Town/Range:05 15 2W
 
Size:12.03 Acres
UseCode:11 Single Unit
TCA Number:490
Neighborhood:11E1
Property Type:RES
Total Living Units:1
Taxable:YES
Active Exemptions:None
Fire District:FIRE DISTRICT #01
Fire District:W THURSTON RFA
School District:ROCHESTER S.D. #401
 
Water Source:WELL
Sewer Type:SEPTIC

Market Values

Tax Year2026202520242023202220212020201920182017
Assessment Year2025202420232022202120202019201820172016
 
Market Value Land$198,900$177,800$143,400$119,600$144,000$88,700$109,600$106,100$107,600$102,900
Market Value Buildings$712,900$655,200$640,100$655,900$469,100$349,900$315,000$314,900$274,700$250,800
Market Value Total$911,800$833,000$783,500$775,500$613,100$438,600$424,600$421,000$382,300$353,700

Residential Structures

Year Built2015 Fireplaces/Wood Stoves0
ConstructionRAMBLER Heat TypeHTPUMP/AC
Construction QualityAVERAGE Fuel TypeELECTRIC
Physical ConditionAVERAGE Foundation TypeCONCRETE
Number of Bedrooms  Exterior Wall TypeTEX1-11/PWD
Full Baths1 Roofing MaterialCOMPOSITION
Partial Baths2     
   
Residence Square Footage
Main Finished Area2928
Attached Garage Square Footage
Attached Garage Sqft700
Misc Structures
Covered Porch688

Detached Structures

StructureYear BuiltSquare FeetQualityCondition
 
UTILITY-BLDG20162340FAIRAVERAGE

Land Characteristics

Land Flag9150
 
Lot Square FootageNot Listed
 
Lot Acreage12.03
 
Effective FrontageNot Listed
 
Effective DepthNot Listed
 
Land Influence(s)GO-GOPHER PRSENT
N300-NOISE 300' HIGHWAY

Sales

Sale Date:01/17/201903/01/201711/19/2013
Price:$455,000$482,500$180,000
Excise:E000114531266721646
Sale Type:STATUTRY WARNTY DEEDSTATUTRY WARNTY DEEDSTATUTRY WARNTY DEED
Recording Number:466744345523904369852
Seller:LE TRANSELBY GUY & JUANITAKIRSCHLING GERALD R & RAELINE L
Buyer:THOMPSON BENJAMIN & DELLAPHAN CALVINSYLBY GUY & JUANITA
Multiple Parcel Sale:NNN
 
Sale Date:10/08/1998
Price:$109,000
Excise:263330
Sale Type:REAL ESTATE CONTRACT
Recording Number:3184507
Seller:WIRTH ARTHUR
Buyer:KIRSCHLING GERALD R/RAELINE L
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