King County Department of Assessments

Setting values, serving the community, and promoting fairness and equity.

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Department of Assessments

201 South Jackson Street,
Seattle, WA 98104

Office Hours:
Mon - Fri
8:30 a.m. to 4:30 p.m.

TEL: 206-296-7300
TTY relay: 711 or 800-833-4388

PARCEL DATA

Parcel	808335-0070
Name	KOSTIN MICHAEL & ROSS JONI
Site Address	441 S 51ST CT 98055
Residential Area	059-001 (SW Appraisal District)
Property Name	RESIDENCE

Jurisdiction	RENTON
Levy Code	2100
Property Type	R
Plat Block / Building Number
Plat Lot / Unit Number	7
Quarter-Section-Township-Range	SE-31-23-5

Legal Description

SUMMIT PARK TGW UND INT IN TRACT A
PLat Block:
Plat Lot: 7

LAND DATA

Highest & Best Use As If Vacant	SINGLE FAMILY
Highest & Best Use As Improved	PRESENT USE
Present Use	Townhouse Plat
Land SqFt	2,748
Acres	0.06

Percentage Unusable
Unbuildable	NO
Restrictive Size Shape	NO
Zoning	R-14
Water	WATER DISTRICT
Sewer/Septic	PUBLIC
Road Access	PUBLIC
Parking	ADEQUATE
Street Surface	PAVED

Views

Waterfront

Rainier
Territorial
Olympics
Cascades
Seattle Skyline
Puget Sound
Lake Washington
Lake Sammamish
Lake/River/Creek
Other View

Waterfront Location
Waterfront Footage	0
Lot Depth Factor	0
Waterfront Bank
Tide/Shore
Waterfront Restricted Access
Waterfront Access Rights	NO
Poor Quality	NO
Proximity Influence	NO

Designations

Nuisances

Historic Site
Current Use	(none)
Nbr Bldg Sites
Adjacent to Golf Fairway	NO
Adjacent to Greenbelt	NO
Other Designation	NO
Deed Restrictions	NO
Development Rights Purchased	NO
Easements	NO
Native Growth Protection Easement	NO
DNR Lease	NO

Topography
Traffic Noise
Airport Noise
Power Lines	NO
Other Nuisances	NO

Problems

Water Problems	NO
Transportation Concurrency	NO
Other Problems	NO

Environmental

BUILDING

Building Number	1
Year Built	1995
Year Renovated	0
Stories	2
Living Units	1
Grade	7 Average
Grade Variant	0
Condition	Average
Basement Grade
1st Floor	840
1/2 Floor	0
2nd Floor	820
Upper Floor	0
Finished Basement	0
Total Finished Area	1,660
Total Basement	0
Basement Garage	0
Unfinished 1/2	0
Unfinished Full	0
AGLA	1,660
Attached Garage	400
Bedrooms	2
Full Baths	1
3/4 Baths	1
1/2 Baths	1
Heat Source	Gas
Heat System	Ht Pump/AC
Deck Area SqFt	0
Open Porch SqFt	0
Enclosed Porch SqFt	0
Brick/Stone	0
Fireplace Single Story	1
Fireplace Muilti Story	0
Fireplace Free Standing	0
Fireplace Additional	0
AddnlCost	0
Obsolescence	0
Net Condition	0
Percentage Complete	0
Daylight Basement
View Utilization

Picture of Building 1
Current Picture

Floor plan of Building 1
Current Floor Plan

TAX ROLL HISTORY

Account	Valued Year	Tax Year	Levy Code	Appraised Land Value ($)	Appraised Imps Value ($)	Appraised Total Value ($)	Taxable Land Value ($)	Taxable Imps Value ($)	Taxable Total Value ($)
808335007007	2026	2027	2100	215,000	293,000	508,000	215,000	293,000	508,000
808335007007	2025	2026	2100	215,000	309,000	524,000	215,000	309,000	524,000
808335007007	2024	2025	2100	198,000	360,000	558,000	198,000	360,000	558,000
808335007007	2023	2024	2100	203,000	249,000	452,000	203,000	249,000	452,000
808335007007	2022	2023	2100	185,000	299,000	484,000	185,000	299,000	484,000
808335007007	2021	2022	2100	162,000	267,000	429,000	162,000	267,000	429,000
808335007007	2020	2021	2100	152,000	213,000	365,000	152,000	213,000	365,000
808335007007	2019	2020	2100	152,000	206,000	358,000	152,000	206,000	358,000
808335007007	2018	2019	2100	145,000	196,000	341,000	145,000	196,000	341,000
808335007007	2017	2018	2100	103,000	209,000	312,000	103,000	209,000	312,000
808335007007	2016	2017	2100	103,000	180,000	283,000	103,000	180,000	283,000
808335007007	2015	2016	2100	97,000	167,000	264,000	97,000	167,000	264,000
808335007007	2014	2015	2100	93,000	160,000	253,000	93,000	160,000	253,000
808335007007	2013	2014	2100	85,000	129,000	214,000	85,000	129,000	214,000
808335007007	2012	2013	2100	85,000	114,000	199,000	85,000	114,000	199,000
808335007007	2011	2012	2100	92,000	107,000	199,000	92,000	107,000	199,000
808335007007	2010	2011	2100	101,000	116,000	217,000	101,000	116,000	217,000
808335007007	2009	2010	2100	101,000	112,000	213,000	101,000	112,000	213,000
808335007007	2008	2009	2100	101,000	168,000	269,000	101,000	168,000	269,000
808335007007	2007	2008	2100	97,000	150,000	247,000	97,000	150,000	247,000
808335007007	2006	2007	2110	88,000	133,000	221,000	88,000	133,000	221,000
808335007007	2005	2006	2110	85,000	120,000	205,000	85,000	120,000	205,000
808335007007	2004	2005	2110	68,000	144,000	212,000	68,000	144,000	212,000
808335007007	2003	2004	2110	68,000	144,000	212,000	68,000	144,000	212,000
808335007007	2002	2003	2110	66,000	134,000	200,000	66,000	134,000	200,000
808335007007	2001	2002	2110	63,000	125,000	188,000	63,000	125,000	188,000
808335007007	2000	2001	2110	60,000	118,000	178,000	60,000	118,000	178,000
808335007007	1999	2000	2127	58,000	99,000	157,000	58,000	99,000	157,000
808335007007	1998	1999	2127	10,000	165,000	175,000	10,000	165,000	175,000
808335007007	1997	1998	2127	0	0	0	10,000	153,000	163,000
808335007007	1996	1997	2127	0	0	0	10,000	153,000	163,000
808335007007	1995	1996	2127	0	0	0	10,000	0	10,000

SALES HISTORY

Excise Number	Recording Number	Document Date	Sale Price	Seller Name	Buyer Name	Instrument	Sale Reason
3392069	20260824000614	8/20/2026	$515,000.00	PANZA ANTHONY	KOSTIN MICHAEL+ROSS JONI	Warranty Deed	None
3300344	20240926000581	9/23/2024	$555,000.00	GOURLEY LARRY B+JAYABALAN PAULETTE G	PANZA ANTHONY	Warranty Deed	None
2844265	20170113000604	1/5/2017	$320,000.00	PANTE REBECCA	GOURLEY LARRY B	Statutory Warranty Deed	None
2708435	20141231001405	12/17/2014	$235,000.00	LEMENAGER DAVID+MARLIES	PANTE REBECCA	Statutory Warranty Deed	None
2055160	20040716000564	7/2/2004	$204,000.00	JEFFERY NANCY J	LEMENAGER DAVID+LABASS MARLIES	Statutory Warranty Deed	None
1632277	199808171271	8/13/1998	$185,000.00	DUEHNE RICHARD C+FLORABELL S	JEFFERY NANCY J	Statutory Warranty Deed	None
1464457	199601050310	1/3/1996	$171,695.00	VALLEY DEVELOPMENT ASSOCIATES LP	DUEHNE RICHARD C+FLORABELL S	Statutory Warranty Deed	None

REVIEW HISTORY

PERMIT HISTORY

Permit Number	Permit Description	Type	Issue Date	Permit Value	Issuing Jurisdiction	Reviewed Date
		Building, New	4/4/1995	$93,420

HOME IMPROVEMENT EXEMPTION

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Notice mailing date: 08/13/2026

King County Department of Assessments

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