Parcel 09-0760-00-00

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Owners

BRENNAN, BONNIE J

403 W 15TH AVE
OSHKOSH, WI 54902-6543

Parcel Summary

Location 403 W 15TH AVE
PAD Type Code 119: Duplex
Zoning TR-10
Acreage 0.172

Assigned Districts

State CodeDistrict Name
001200FVTC
266City of Oshkosh
704179Oshkosh School District
70Winnebago County
Ward 09

Additional Site Addresses

1501 IOWA ST

Legal Description

LOT 12 BLK 89 PLAT OF ORIGINAL 3RD WARD

Assessed Value History

Assessment Year 2026 2025 2024 2023 2022 2021 2020
Land Value$21,400$21,400$21,400$13,400$13,400$13,400$13,400
Building Value$163,800$163,800$163,800$109,100$109,100$109,100$109,100
Total Value$185,200$185,200$185,200$122,500$122,500$122,500$122,500
Average Assessment Ratio0.00000.97670.95840.69200.74990.82870.8894
Estimated Fair Market Value$0$189,600$193,200$177,000$163,400$147,800$137,700
Parcel Acres0.1720.1700.1700.1700.1700.1700.170
Tax Classification(s)ResidentialResidentialResidentialResidentialResidentialResidentialResidential

Document/Transfer/Sales History

Document
Number		Sale DateDeed TypeV/ISale ValidationReal
Estate
Value		Multi
Parcel
Sale		Ownership
16744672014-10-151 - WarrantyImproved2 - Valid improved sale$124,500Grantor: KOSSEL, KELLI N
Grantee: BRENNAN, BONNIE J
12672002003-08-011 - WarrantyImproved2 - Valid improved sale$104,000Grantor: BOWEN, DONALD W
Grantee: KOSSEL, KELLI N

Building Information

Building # 1, Section # 1, Duplex

StyleYear BuiltQuality/GradeHeated Sq Ft% CompleteCondition
Duplex1920C+2120100.00%Average

Building Data

DescriptionUnits/Details
Living/Apart. Units2
Stories1.5 story
Roof TypeNo Code
Basement TypeBelow Grade
Exterior WallAlum/vinyl
Masonry Adjustment (SF +/-)0
HeatingGas, forced air
Air ConditioningA/C (same ducts)
Bedrooms3
Bath-Full2
Bath-Half0
Whirlpool0
Additional Fixtures2
Hot Tub0
Plumbing Rough In0
Family Rooms1
Other Rooms6
Masonry Fireplace Stacks0
Masonry Fireplace Openings0
Masonry Additional Stories0
Metal Fireplace Stacks0
Metal Fireplace Openings0
Metal Additional Stories0
Gas Fireplace Openings0

Sub Areas

TypeGross AreaPercent of BaseAdjusted Area
1F/01,188100%1,188
B848100%848
CP168100%168
HS932100%932
OFP64100%64
OFP210100%210
1F/0=[MULTIPLIER=1;ORIG=0,0] N36 E10 N11 E16 S51 W19 N4 W7 $ B=[MULTIPLIER=1;ORIG=0,-12] N24 E26 S40 W14 N16 W12 $ OFP=[MULTIPLIER=1;ORIG=0,-20] W4 N16 E4 S16 $ OFP=[MULTIPLIER=1;ORIG=0,0] E7 S4 E19 S7 W26 N11 $ HS=[MULTIPLIER=1;ORIG=2,4] N20 W2 N16 E2 N4 E22 S10 E2 S10 W2 S20 W22 $ CP=[MULTIPLIER=1;ORIG=1,-67] E14 S12 W14 N12

Building # 2, Section # 1, Garage

StyleYear BuiltQuality/GradeHeated Sq Ft% CompleteCondition
Garage1972C0100.00%Average

Building Data

DescriptionUnits/Details
Width22
Depth24

Sub Areas

TypeGross AreaPercent of BaseAdjusted Area
OBI528100%528
OBI=[MULTIPLIER=1;ORIG=1,-67] N22 E24 S22 W24

Land Lines

Land LineTax ClassificationAcresSq. Ft.WidthDepthValue
1Residential0.177,50150.00150.00$21,400

Photo

parcel image

Disclaimer

All parcel data on this page is for use by the City of Oshkosh Assessor's Office for assessment purposes only. The summary data on this page may not be a complete representation of the parcel or of the improvements thereon. Building information, including unit counts and number of permitted units, should be verified with the appropriate City Department. Zoning information should be verified with Community Development. This is a true and accurate copy of the property assessment records of the City of Oshkosh Assessor's Office, Winnebago County, as of January 1, 2026.