Parcel 13-2301-00-06

Owners

BASLER TURBO CONVERSIONS LLC

255 W 35TH AVE
OSHKOSH, WI 54902-7174

Parcel Summary

Location 1255 W 20TH AVE
PAD Type Code 708: Airplane Hangars
Zoning I
Acreage 0.000

Assigned Districts

State CodeDistrict Name
001200FVTC
266City of Oshkosh
4179Oshkosh School District
70Winnebago County
Ward 13

Additional Site Addresses

1255 W 20TH AVE
1257 W 20TH AVE
1259 W 20TH AVE

Assessed Value History

Assessment Year 2025 2024 2023 2022 2021 2020
Land Value$0$0$0$0$0$0
Building Value$1,627,100$1,584,100$1,309,000$1,309,000$1,309,000$1,309,000
Total Value$1,627,100$1,584,100$1,309,000$1,309,000$1,309,000$1,309,000
Average Assessment Ratio0.97670.95840.69200.74990.82870.8894
Estimated Fair Market Value$1,665,900$1,652,800$1,891,500$1,745,600$1,579,600$1,471,800
Parcel Acres99.30099.30099.30099.30099.30099.300
Tax Classification(s)CommercialCommercialCommercialCommercialCommercialCommercial

Document/Transfer/Sales History

Document
Number
Sale DateDeed TypeV/ISale ValidationReal
Estate
Value
Multi
Parcel
Sale
Ownership
19510192025-08-221 - WarrantyImproved$1,300,000Grantor: HANGAR VENTURES, LLC, A WISCONSIN LIMITED LIABILITY COMPANY
Grantee: BASLER TURBO CONVERSIONS, L.L.C. D/B/A BASLER FLIGHT SERVICE
17443232017-07-071 - WarrantyImproved5 - Not a market sale$1,300,000Grantor: HANGAR VENTURES LLC
Grantee: HANGAR VENTURES LLC
17150592016-06-015 - Land contractImproved2 - Valid improved sale$1,300,000Grantor: MIDWEST REAL ESTATE DEVELOPMENT CO
Grantee: HANGAR VENTURES LLC

Building Information

Building # 1, Section # 1, Storage hangar

StyleYear BuiltQuality/GradeHeated Sq Ft% CompleteCondition
Storage hangar2005Comm -C (AV)21926100.00%Average

Building Data

DescriptionUnits/Details
Number of Stories (COMM)Stories1
Living/Apart. Units1
Comm - Average Story Height33
Exterior Wall - CommercialStud-Metal Siding
HVAC - CommercialRadiant space heaters
Sprinkler System - Wet17800

Sub Areas

TypeGross AreaPercent of BaseAdjusted Area
MEZZ_STOR900100%900
ZCOMM4,126100%4,126
ZCOMM17,800100%17,800
SEC=[SECTION=1;MULTIPLIER=1;ORIG=0,0] N100 W30 N30 E160 S130 W130 $ SEC=[SECTION=2;MULTIPLIER=1;ORIG=20,0] E80 S50 W16 S7 W9 N7 W30 S7 W9 N7 W16 N50 $ MEZZ_STOR=[SECTION=2;MULTIPLIER=1;ORIG=0,-100] W30 N30 E30 S30

Building # 1, Section # 2, Office building

StyleYear BuiltQuality/GradeHeated Sq Ft% CompleteCondition
Office building2005Comm -B (GD)0100.00%Average

Building Data

DescriptionUnits/Details
Number of Stories (COMM)Stories1
Living/Apart. Units0
Comm - Average Story Height11
Exterior Wall - CommercialStud-Walls-Wood Siding
HVAC - CommercialPackage unit
Sprinkler System - Wet4126
Sprinkler System - Wet900

Sub Areas

None

Building # 2, Section # 1, PAVING ASPHALT PARKING

StyleYear BuiltQuality/GradeHeated Sq Ft% CompleteCondition
PAVING ASPHALT PARKING2005C0100.00%Average

Building Data

DescriptionUnits/Details
Width17
DEPTH300

Sub Areas

TypeGross AreaPercent of BaseAdjusted Area
OBI5,100100%5,100

Land Lines

None

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 December 09, 2025.