Rock Island County, IL Office buildings for sale

$299,900

1.13 Acres

Commercial Building in Poplar Grove

109 N State Street, Poplar Grove, IL 61065

Well-maintained former bank building with expansion potential.

Includes adjacent lot (PIN 03‑24‑276‑008) for additional parking or expansion.
Large asphalt parking lot with 25 spaces and drive‑up window.
Well‑maintained brick building with 5 private offices, reception area, and conference room.
Finished lower level with conference room, kitchenette, and bathroom.
Modern, secure vault and ample storage space.

Updated: Apr 17

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Downtown Rock Island Three-Story Building

$285,000

41,600 SF

Downtown Rock Island Three-Story Building

1600 2nd Ave, Rock Island, IL

Three-story building in downtown Rock Island with river views.

Downtown Rock Island location
River view from upper floor
Original staircase
Original elevator
Parapet wall recently fixed

Updated: Nov 24, 2025

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$285,000

7,688 SF

Downtown Moline Brick Office Building

7,688 SF brick office building in downtown Moline.

1411 6th Ave, Moline, IL 61265

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Moline Office/Medical Opportunity For Sale

$695,000

6,000 SF

Moline Office/Medical Opportunity For Sale

6,000 SF finished space near John Deere Road in Moline.

1050 36TH Avenue, Moline, IL 61265

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$800,000

29,000 SF

Rock Island Office Building

29,000 SF office building for sale.

1728 4TH Avenue, Rock Island, IL 61201

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$399,000

37,030 SF

Rock Island Center Mixed-Use Building

37,030 SF mixed-use building in Downtown Rock Island.

1730 2ND Avenue, Rock Island, IL 61201

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Based on your search, we've compiled 10 Potential Opportunities for your consideration. Besides 6 Active listings in Rock Island County, IL, we suggest exploring several alternatives: plus 4 Land Listings that present a potential for development.

Potential Development Sites for Consideration

Can't find the perfect fit? These Land listings present an alternative path: the potential to develop a property for your specific goals.

Important: These AI-suggestions are a starting point, not a guarantee of permitted use. All zoning, permitting, and land use information must be independently verified by you with the appropriate local authorities before making any commitments.

$1,000,000

3.99 Acres

Commercial Land Parcel For Sale

3.99 acre commercial land with development potential.

14 N Seminary Square, Galesburg, IL 61401

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$88,500

1.17 Acres

Galena Commercial Land For Sale

1.178 acre commercial land parcel in Galena, Illinois.

James and Irvine, Galena, IL 61036

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$175,000

0.52 Acres

Commercial Land on Highway Rt 64

Three city lots zoned B2 Business District on Illinois State Hwy

510 E Washington, Oregon, IL 61061

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$705,380

10.00 Acres

Dubuque Commercial Land For Sale

10 acres with high visibility near HWY52/HWYS 151/61 interchange.

S HWY 61 151, Dubuque, IA 52003

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Rock Island County, IL Office Buildings Investment Opportunities Market Analysis

Explore 6 office buildings for sale in Rock Island County, IL, showcased through 6 active listings on our real estate platform. These investment opportunities span a total of 121,318 square feet of properties for sale, with an estimated market value of $2,464,000.

Sale prices for office properties in Rock Island County, IL start at $285,000, averaging $492,800, and reaching up to $800,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you stay ahead with the latest data and market trends.

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