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Property profile & analytics

509 Main St Oshkosh, WI 54901

  • Apartment buildings
  • 15,927 SF
  • 2.79 lot acres
Value Estimation
Last Sale
Apr 26, 2022
$1,600,000
Location Intelligence
Property ID
US92-0657003
The Realmo ID is a unique identifier assigned to every property, incorporating country codes and precise geo-coordinates for 300x300-foot land blocks. It enables standardized data collection and seamless integration of disparate sources such as ownership, tax, title data and physical specifications. By aggregating current and historical records, the Realmo ID powers advanced analytics and delivers deep, verifiable insights for real estate professionals.

Current Use by Public Records

  • Apartment buildings

Property Details for 509 Main St

Year built
1890
Lot size
2.79 lot acres
Property size
15,927 SF
Zone code
C3
Property type
Apartment buildings
APN
07-00260000
APU
700260000

Description

This exceptional three-story, 11,000-square-foot multifamily building, located at 509 N Main St #501 in Oshkosh, Wisconsin, presents a compelling investment opportunity. Originally constructed in 1895 and extensively renovated in 2003, this property boasts a prime downtown location with 200 feet of street frontage and benefits from high daily traffic volume (10,000+ cars). The building features five apartments, all with updated appliances (2021), large open floor plans, mature hardwood floors, high ceilings, and abundant natural light. The first floor comprises approximately 5,500 square feet of commercial space, recently renovated in Q1 2023, currently leased to a PhD chiropractor under a three-year lease (commencing 4/1/23) with two 3-year extension options and a 2.5% annual rent increase. The lease includes monthly rent of $4,500 plus utilities. The building's attractive features include a charming interior stairwell, vintage tin ceilings, and vintage light fixtures. A public parking lot is conveniently located behind the building. The property sits on a 5,662 square foot lot and has a 7.5% cap rate with 100% occupancy for multiple years. Building systems include forced air, gas heat, and central air conditioning. The building is constructed of brick and stone with a rubber membrane roof. The asking price is $1,899,900, representing a price per square foot of $172.73. The property is zoned for commercial use and has an APN of 0700260000.

Value Estimation

by Realmo proprietary methodology Last update: July 3, 2025
  • AI approach

    CAP return
    Estimation
    Estimation
    $1,865,000
  • CAP approach

    CAP return
    Estimation
    6%
    $1,650,000
    6.5%
    $1,465,000
    7%
    $1,765,000
  • Comparable approach

    Method
    Estimation
    Relative Method
    $1,860,000
    Geo Method
    $1,480,000
  • Alternative Use

    Use
    Estimation
    Distribution
    $1,765,000
    Retail
    $1,625,000
    Mixed-Use
    $1,290,000
    Hospitality
    $1,455,000
    Educational
    $1,430,000
    Residential Income
    $1,515,000
    Energy
    $1,350,000
    Income-Based Land
    $1,560,000
    Food Service
    $1,635,000

Location Insight

  • Map
  • Local Demand
City
Oshkosh
County
Winnebago
State
Wisconsin
Longitude
-88.5378
Latitude
44.02
CBSA code
36780
CBSA name
OSHKOSH-NEENAH, WI METROPOLITAN STATISTICAL AREA

Property Tax & Assessments

Tax date
Tax Amount
Assessed Land Value
Assessed Improvement Value
Total Assessed Value
Applied Tax Rate
Land Market Value
Improvement Market Value
Total Market Value
2023
$27,847
$27,100
$843,600
$870,700
-
$39,160
$1,219,021
$1,258,181
More about this property
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