Back to Search

Lower-Level Retail/Office Suite

300 Main Street, Dubuque, IA 52001

View on Map

For Lease

$1,200/Mo $14 SF/Yr (calc)

COMMERCIAL - Dubuque, IA

Property size:

1,012 SF

HighLights

1,012 SF lower‑level commercial space for lease in downtown Dubuque
Open‑box floor plan designed for flexible use, including a custom buildout or open‑concept office setup
Gross lease includes all utilities
Building with brick construction and forced air heating plus central air cooling
Public utilities: public water and public sewer
Roof materials include wood and rubber

We can help!

Contact an agent

Jessica Kieffer

For Lease

$1,200/Mo $14 SF/Yr (calc)

COMMERCIAL - Dubuque, IA

Property size:

1,012 SF

Added:: Mar 17, 2026
Days on Market:: 108
Last Refresh:: Jul 2 at 12:06 pm

Property Features for 300 Main Street

General Information

Property type: Commercial Lease
Property subtype: Other
Zoning: C4, Downtown Commercial
Bathrooms: 2
Rooms: Bathroom 1, Bathroom 2, Basement
Basement: Full
Standard status: Active
APN: 1025241024
Size: 1,012 SF

Utilities

Sewer type: Public Sewer
Heating system: Forced Air
Cooling system: Central Air
Water source: Public

Building Details

Year built: 2001
Floors in Building: 3
Building materials: Brick
Roof type: Wood, Rubber

We can help!

Contact an agent

Jessica Kieffer

Listing agent Jessica Kieffer

Listing office DBQ Property Group Inc. 900 Jackson St. LL2, Dubuque, IA

Listing date Mar 17, 2026

MLS# 154155

Copyright © 2026 East Central Iowa Association of Realtors. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.

HighLights

1,012 SF lower‑level commercial space for lease in downtown Dubuque
Open‑box floor plan designed for flexible use, including a custom buildout or open‑concept office setup
Gross lease includes all utilities
Building with brick construction and forced air heating plus central air cooling
Public utilities: public water and public sewer
Roof materials include wood and rubber

Overview

Available for lease at 300 Main Street in Dubuque, this lower-level commercial suite offers an open box floor plan designed for flexibility. The space is sized at 1,012 square feet and can support a range of retail or office configurations, whether you’re planning a custom buildout or an open-concept setup. The lease is structured as a gross arrangement that includes utilities, simplifying day-to-day occupancy costs.

Located in downtown within C4, Downtown Commercial zoning, the property is positioned on Main Street. Nearby parking and access to Highways 61, 151, and 20 provide convenient connectivity for staff, customers, and business operations across the tri-state area.

This suite is a practical fit for tenants seeking a versatile lower-level footprint with an open layout and straightforward gross leasing terms. With the ability to tailor the interior to your needs, it can work well for professional office users or retail concepts that benefit from a downtown address and established access routes.

Property Profile Location Intelligence

Current Use by Public Records

Drake Law Firm ... Law Firm Reisen-Ottavi Patricia M Law Firm KWWL Dubuque News ... Television Studio Crossroads Counseling Center ... Psychologist Saeugling Yvette Family Counselor

Suggested Use

Location Insight

Map
Local Demand

City: Dubuque
County: Dubuque
State: Iowa
Longitude: -90.6647636
Latitude: 42.4970564

Nearby Similar for Lease

$11 SF/Yr

7,811 SF

Retail-Office Suite with Parking

Leasing space built for retail or office use, with a modern interior, reception area, and ample on-site parking.

2200 John F Kennedy Road, Dubuque, IA 52001

View Details
$9 SF/Yr

14,000 SF

Third-Floor Office Suite with Elevator

Third-floor suite with flexible office and open areas, large windows, and elevator access in a downtown commercial building.

801 Bluff Street, Dubuque, IA 52001

View Details
$12 SF/Yr

10,154 SF

Restaurant and Bar Space Available

Restaurant/bar space in historic building with outdoor patio.

101 Main Street, Dubuque, IA 52001

View Details
$4,500/Mo

6,000 SF

Commercial Building Near Highway 20

Commercial building with warehouse and office space for lease.

8301 Seippel Court, Dubuque, IA 52002

View Details
$12 SF/Yr

2,031 SF

Downtown Commercial Space Available

First-floor commercial space in the heart of downtown Dubuque.

123 Main Street, Dubuque, IA 52001

View Details
$8 SF/Yr

4,000 SF

Retail Space Near Natural Grocers

High-visibility retail space next to Natural Grocers on Asbury Rd.

3333 Asbury Road, Dubuque, IA 52002

View Details
$950/Mo

Professional Office Suite with Reception

Lease a C-3 office suite with four private offices, reception space, and an in-suite half bath.

960 Cedar Cross Road, Dubuque, IA 52003

View Details
$2,480/Mo

Creative Office Space with Rooftop Deck

Lease an open creative office suite with exposed brick character, timber beams, ample parking, and a rooftop deck.

44 Main Street, Dubuque, IA 52001

View Details
$1,100/Mo

Lower-Level Corner Retail/Office Suite

Lower-level suite built out as a salon with corner exposure, signage, and parking in Dubuque.

3100 Cedar Crest Ridge, Dubuque, IA 52003

View Details
$380/Mo

295 SF

Semi-Private Studio Office Suite

Flexible lower-level studio space with shared amenities and direct highway access for office, retail, or studio use.

900 Jackson Street, Dubuque, IA 52001

View Details
$2,417/Mo

Medical Office Suite

Well-laid-out suite with enclosed reception, four private offices, kitchenette, and private restroom, plus dedicated staff and client entrances.

2100 Asbury Road, Dubuque, IA 52001

View Details
$1,600/Mo

1,600 SF

Street-Level Commercial Flex Space

1,600 sq ft street-level space with an open, flexible layout for retail, office, or service use.

190 Main Street, Dubuque, IA 52001

View Details

For lease
Retail space
IA
Dubuque
52001
300 Main Street

What type of property is this?

Retail space - Lower-level suite with an open box layout and a gross lease that includes utilities, supporting flexible buildouts.

Where is this retail space located?

The property is located at 300 Main Street Dubuque, IA.

What is the lease rate?

The lease rate is $1,200 /Mo.

What are key features of this property?

This property features: 1,012 SF lower‑level commercial space for lease in downtown Dubuque; Open‑box floor plan designed for flexible use, including a custom buildout or open‑concept office setup; Gross lease includes all utilities

300 Main Street, Dubuque, IA 52001

COMMERCIAL - Dubuque, IA

Property Features for 300 Main Street

General Information

Utilities

Building Details

We can help!

HighLights

Overview

Current Use by Public Records

Suggested Use

Location Insight

Nearby Similar for Lease

Retail-Office Suite with Parking

Third-Floor Office Suite with Elevator

Restaurant and Bar Space Available

Commercial Building Near Highway 20

Downtown Commercial Space Available

Retail Space Near Natural Grocers

Professional Office Suite with Reception

Creative Office Space with Rooftop Deck

Lower-Level Corner Retail/Office Suite

Semi-Private Studio Office Suite

Medical Office Suite

Street-Level Commercial Flex Space

FAQs