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Investment Highlights

  • Oversized windows with great natural light
  • First-floor, move-in ready commercial spaces
  • Walkable to downtown amenities
  • Outdoor patio
  • Historical architectural character
  • One block from HWY 20, 61, 151 corridor

Executive Summary

Historic Downtown Dubuque Redevelopment Opportunity
The O'Neill Block presents a rare 24,000+ SF mixed-use redevelopment opportunity in the heart of downtown Dubuque’s Old Main Historic District.
The property features two turnkey bar/restaurant spaces on the main level, plus a finished 6,000+ SF lower-level bar. The upper two floors offer over 12,000 SF of redevelopment potential, ideal for apartments, boutique offices, or mixed-use residential development.
Located within a Dubuque Opportunity Zone, the project may qualify for Historic Tax Credits, TIF, and City housing and façade incentives.
The building sits steps from the Five Flags Center, multiple downtown hotels including Hotel Julien Dubuque, and major ongoing investments such as the John and Alice Butler College of Osteopathic Medicine and expansion of the Dubuque Museum of Art.
With strong tourism, growing residential density, and major institutional investment nearby, the O’Neill Block represents one of the most compelling historic redevelopment opportunities in downtown Dubuque. Seller will consider flexible financing options, including a potential land contract, for qualified buyers.

Property Facts

Sale Type
Investment or Owner User
Property Type
Retail
Property Subtype
Storefront Retail/Office
Building Size
19,694 SF
Building Class
C
Year Built
1884
Price
$1,290,000
Price Per SF
$65.50
Percent Leased
100%
Tenancy
Multiple
Building Height
3 Stories
Building FAR
2.66
Lot Size
0.17 AC
Opportunity Zone
Yes
Zoning
C-4
Frontage
73’ on Main St

Amenities

  • Corner Lot
  • Air Conditioning
Walk Score®
Very Walkable (77)
Bike Score®
Very Bikeable (73)
What is a Walk Score®, Transit Score® & Bike Score®?
Walk Score® measures the walkability of any address.
Transit Score® measures access to public transit.
Bike Score® measures bikeability of a location.
What is a Walk Score®
, Transit Score® & Bike Score?
Walk Score® measures the walkability
of any address. Transit Score®
measures access to public transit. Bike Score®
measures bikeability of a location.®

Nearby Major Retailers

Tony Roma's
Starbucks
Hy-Vee
US Bank
UMB Bank
CrossFit

Property Taxes

Property Taxes

Parcel Number
10-25-281-015
Land Assessment
$121,800
Improvements Assessment
$642,500
Total Assessment
$764,300
  • Listing ID: 39793897

  • Date on Market: 3/16/2026

  • Last Updated:

  • Address: 101-123 Main St, Dubuque, IA 52001

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