Parcel 11-0100-00-00

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Owners

HEILMANN JR, RONALD A

1200 WASHINGTON AVE
OSHKOSH, WI 54901-5358

Parcel Summary

Location 1200 WASHINGTON AVE
PAD Type Code 116: Executive / Mansion
Zoning SR-9
Acreage 0.435

Assigned Districts

State CodeDistrict Name
001200FVTC
266City of Oshkosh
4179Oshkosh School District
70Winnebago County
Ward 11

Legal Description

S 177 FT OF LOT 34 EXC W 74 FT OF N 10 FT BLK 37 EVANS ADDN

Assessed Value History

Assessment Year 2026 2025 2024 2023 2022 2021 2020
Land Value$47,600$47,600$47,600$38,300$38,300$38,300$38,300
Building Value$383,000$383,000$383,000$215,800$215,800$215,800$215,800
Total Value$430,600$430,600$430,600$254,100$254,100$254,100$254,100
Average Assessment Ratio0.00000.97670.95840.69200.74990.82870.8894
Estimated Fair Market Value$0$440,900$449,300$367,200$338,900$306,600$285,700
Parcel Acres0.4350.4300.4300.4300.4300.4300.430
Tax Classification(s)ResidentialResidentialResidentialResidentialResidentialResidentialResidential

Document/Transfer/Sales History

Document
Number		Sale DateDeed TypeV/ISale ValidationReal
Estate
Value		Multi
Parcel
Sale		Ownership
10111161998-05-23Improved2 - Valid improved sale$197,500Grantee: HEILMANN JR, RONALD A
08552761993-10-27Improved2 - Valid improved sale$100,000

Building Information

Building # 1, Section # 1, Executive Mansion

StyleYear BuiltQuality/GradeHeated Sq Ft% CompleteCondition
Executive Mansion1890A4107100.00%Average

Building Data

DescriptionUnits/Details
Living/Apart. Units1
Stories2 story w/attic
Roof TypeNo Code
Basement TypeBelow Grade
Exterior WallWood
Masonry Adjustment (SF +/-)0
HeatingGas, hot water
Air ConditioningNo A/C
Bedrooms5
Bath-Full2
Bath-Half0
Whirlpool0
Additional Fixtures9
Hot Tub0
Plumbing Rough In0
Family Rooms1
Other Rooms4
Masonry Fireplace Stacks0
Masonry Fireplace Openings0
Masonry Additional Stories0
Metal Fireplace Stacks4
Metal Fireplace Openings4
Metal Additional Stories0
Gas Fireplace Openings0

Sub Areas

TypeGross AreaPercent of BaseAdjusted Area
1F/02,033100%2,033
2NDFLR2,074100%2,074
B2,058100%2,058
OFP40100%40
OFP50100%50
OFP324100%324
OFP-UP40100%40
OFP-UP181100%181
UNFIN1,037100%1,037
1F/0=[MULTIPLIER=1;ORIG=0,0] D1L1 W4 L3U3 N4 U1R1 N10 W3 N1 L3U3 N7 U3R3 N9 E5 N20 E30 S20 E5 S18 W5 S18 D2L2 W5 L2U2 W6 S4 W10 $ B=[MULTIPLIER=1;ORIG=0,0] D1L1 W4 L3U3 N4 U1R1 N10 W3 N1 L3U3 N7 U3R3 N9 E5 N20 E30 S20 E5 S23 W5 S13 D2L2 W5 L2U2 W6 S4 W10 $ OFP=[MULTIPLIER=1;ORIG=-5,-40] W5 N10 E5 S10 $ OFP=[MULTIPLIER=1;ORIG=8,-60] N5 E8 S5 W8 $ OFP=[MULTIPLIER=1;ORIG=10,-4] E6 D2R2 E5 R2U2 N18 E5 S14 D11L5 S6 W15 N13 $ 2NDFLR=[MULTIPLIER=1;ORIG=0,0] L7U7 N10 W3 N1 L3U3 N7 U3R3 N9 E5 N1 L2U3 N3 U3R2 N10 E30 S20 E5 S23 W5 S13 D2L2 W5 L2U2 W6 S4 W10 $ OFP-UP=[MULTIPLIER=1;ORIG=8,-60] N5 E8 S5 W8 $ OFP-UP=[MULTIPLIER=1;ORIG=10,-4] E6 D2R2 E5 R2U2 S13 W15 N13

Building # 2, Section # 1, Garage

StyleYear BuiltQuality/GradeHeated Sq Ft% CompleteCondition
Garage1920C0100.00%Average

Building Data

DescriptionUnits/Details
Width20
Depth20

Sub Areas

TypeGross AreaPercent of BaseAdjusted Area
OBI400100%400
OBI=[MULTIPLIER=1;ORIG=33,-67] N20 E20 S20 W20

Land Lines

Land LineTax ClassificationAcresSq. Ft.WidthDepthValue
1Residential0.4318,940107.00177.00$47,600

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.