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Lower-Level Retail/Office Suite

300 Main Street, Dubuque, IA 52001

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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 1:06 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 ... Counselor Saeugling Yvette Family Counselor

Suggested Use

Location Insight

Map
Local Demand

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

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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

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