Ontario, OR Office Spaces for Sale

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Fruitland, ID Payette, ID New Plymouth, ID Vale, OR Weiser, ID Nyssa, OR Parma, ID Caldwell, ID

Updated: Jul 17

Four-Unit Office Building

1157 SW 4th Ave, Ontario, OR 97914

$285,000

3,440 sqft

4‑unit office building built in 1974
Each unit includes private office space, bathrooms, and a general reception area
13 dedicated parking spaces and 11–20 garage parking spaces
High‑traffic location on SW 4th Ave with an estimated 20,000 cars passing by each day
Easy access with 2 entry points

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Updated: Jan 15

Renovated Mixed-Use Historic Building

191 SW 5th Ave, Ontario, OR 97914

$325,000

2,402 sqft

Renovated historic mixed‑use building on 0.11‑acre lot (79x60) with 2,402 SF total building area
Downtown Ontario mixed‑use zoning with flexible layout for commercial, residential, or live‑work use
Basement foundation with full basement for storage or potential expansion
Recent upgrades include new AC unit, door locks, new roof, furnace, and water heater (all under 1 year old)
Wood flooring, heating and air conditioning, tall ceilings, and large display windows

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Medical Office Duplex Property

473 Southwest 12th Street, Ontario, OR 97914

$350,000

2,044 sqft

Duplex office building offers two separate units for medical or professional use in Ontario, Oregon.

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Live-Work Property with Quonset Hut

161 SE 5th Avenue, Ontario, OR 97914

$265,000

1,818 sqft

Includes a cottage-style home plus a Quonset hut suited for an office, workshop, studio, or equipment storage.

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Based on your search, we've compiled 80 Potential Opportunities for your consideration. Besides 4 Active listings in Ontario, OR, we suggest exploring several alternatives: 4 properties in Nearby Cities, and similar 68 Off-Market properties to explore as potential leads, plus 4 Land Listings that present a potential for development.

Opportunities in Nearby Cities

Here are 4 Similar properties we found in Nearby Locations for your consideration.

Turnkey Commercial Office Building

216 N Whitley Drive, Fruitland, ID 83619

$550,000

1,112 sqft 0.50 AC lot

Well-maintained commercial office building with two trailer road accesses and ample customer and client parking.

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Drive-Through Retail Office Building

204 North Whitley Drive, Fruitland, ID 83619

$450,000

1,344 sqft

Single-building storefront with drive-through window, ample parking, and about 132 feet of frontage on Highway 95/N Whitley Drive.

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C-2 Mixed-Use Commercial Lots

607 Boise St, Middleton, ID 83644

$548,999

1,030 sqft 0.52 AC lot

Two C-2 lots with electric, gas, and water on site and sewer at the street, sold as-is.

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Commercial Land for Light Use Development

607 Boise St, Middleton, ID 83644

$548,999

0.52 AC lot

C-2 light commercial land in downtown Middleton with electric, gas, and water on site and sewer at the street.

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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.

Flat Commercial Development Lot

NW 6th Ave, Ontario, OR 97914

$55,000

0.28 AC lot

Flat, development-ready commercial lot with utilities to the lot line and zoning suitable for commercial use.

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Commercial Pad Site

2044 N Whitley Dr, Fruitland, ID 83619

$329,000

0.33 AC lot

Developable commercial lot in a three-lot development with sidewalks, paved parking, and CCRs already in place.

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Commercial Land with Highway Visibility

N Whitley Dr. Lot 7, Fruitland, ID 83619

$150,000

0.78 AC lot

Build your office, retail, or medical concept on a high-exposure site with city utilities at the property line.

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Highway-Fronting Commercial Land

2010 S Johns Ave, Emmett, ID 83617

$625,000

0.61 AC lot

Zoned for commercial office or retail on flat highway-fronting parcel near Albertsons.

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Off-Market Properties in Ontario, OR

Consider similar Off-Market properties in Ontario, OR. You may contact the owners directly to inquire about their potential intentions to sell. To help you make a strong first impression, we can assist by reaching out to these owners with compelling proposals created using our AI tool.

MEDICAL BUILDING

345 4th St, Ontario, OR 97914-2640

Value Estimation by Request

1,584 sqft 0.22 AC lot

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MEDICAL BUILDING

251 19th St, Ontario, OR 97914-1972

$1,550,000

Estimated value

4,273 sqft 0.61 AC lot

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OFFICE (GENERAL)

351 1st St, Ontario, OR 97914-2707

Value Estimation by Request

1,305 sqft 0.21 AC lot

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MEDICAL BUILDING

35 9th St, Ontario, OR 97914-2636

Value Estimation by Request

888 sqft 0.14 AC lot

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OFFICE (GENERAL)

434 Idaho Ave, Ontario, OR 97914-2347

Value Estimation by Request

936 sqft 0.14 AC lot

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OFFICE (GENERAL)

44 Oregon St, Ontario, OR 97914-2806

Value Estimation by Request

2,088 sqft 0.13 AC lot

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OFFICE (GENERAL)

1076 4th Ave, Ontario, OR 97914-2128

Value Estimation by Request

2,432 sqft 0.16 AC lot

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OFFICE (GENERAL)

190 4th Ave, Ontario, OR 97914-2729

Value Estimation by Request

1,224 sqft 0.10 AC lot

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OFFICE (GENERAL)

1106 4th Ave, Ontario, OR 97914-2130

Value Estimation by Request

2,314 sqft 0.51 AC lot

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OFFICE (GENERAL)

280 Oregon St, Ontario, OR 97914-2810

Value Estimation by Request

4,444 sqft 0.12 AC lot

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OFFICE (GENERAL)

933 30th St, Ontario, OR 97914-4627

Value Estimation by Request

2,024 sqft 0.67 AC lot

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OFFICE (GENERAL)

158 1st St, Ontario, OR 97914-2704

Value Estimation by Request

2,507 sqft 0.10 AC lot

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MEDICAL BUILDING

1257 4th Ave, Ontario, OR 97914-4516

$650,000

Estimated value

4,205 sqft 0.32 AC lot

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OFFICE (GENERAL)

842 1st Ave, Ontario, OR 97914-2904

$645,000

Estimated value

6,756 sqft 1.01 AC lot

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OFFICE (GENERAL)

368 5th Ave, Ontario, OR 97914-3544

Value Estimation by Request

4,200 sqft 0.18 AC lot

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MEDICAL BUILDING

1037 5th Ave, Ontario, OR 97914-3301

Value Estimation by Request

2,226 sqft 0.21 AC lot

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MEDICAL BUILDING

1335 1st Ave, Ontario, OR 97914-2910

$2,315,000

Estimated value

0.69 AC lot

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OFFICE (GENERAL)

772 Oregon St, Ontario, OR 97914-1727

Value Estimation by Request

3,584 sqft 0.38 AC lot

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OFFICE (GENERAL)

230 Oregon St, Ontario, OR 97914-2445

$1,580,000

Estimated value

9,752 sqft 0.63 AC lot

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OFFICE (GENERAL)

1036 4th Ave, Ontario, OR 97914-2128

Value Estimation by Request

1,056 sqft 0.22 AC lot

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Ontario, OR Office Spaces Market Trends and Statistics

Explore 72 office spaces for sale in Ontario, OR, showcased through 4 active listings on our real estate platform. These investment opportunities span a total of 9,704 square feet of properties for sale, with an estimated market value of $1,225,000.

Sale prices for office spaces in Ontario, OR start at $265,000, averaging $306,250, and reaching up to $350,000 — 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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Top Commercial Asset Segments

Commercial property segments ranked by active listings on the market

Demographics Overview

Population 20K

Population Growth (5Y) +3.5%

Median Household Income $48,442

College Educated 19.8%

High-Yield Neighborhoods for Investment

Identify Ontario submarkets with the highest inventory density on the market and evaluate the average listing prices of real estate assets

Neighborhood	Average Price
97914	$350K

Taxes & Financing

Tax Rate (average for all types) 1.39%

Property Tax per SF $18.63 per SF

Tax Rate vs County Average 0.03 pp below county avg

Average Loan-to-Value 65.0%

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Ontario, OR Office Spaces for Sale

1157 SW 4th Ave, Ontario, OR 97914

191 SW 5th Ave, Ontario, OR 97914

473 Southwest 12th Street, Ontario, OR 97914

161 SE 5th Avenue, Ontario, OR 97914

Opportunities in Nearby Cities

216 N Whitley Drive, Fruitland, ID 83619

204 North Whitley Drive, Fruitland, ID 83619

607 Boise St, Middleton, ID 83644

607 Boise St, Middleton, ID 83644

Potential Development Sites for Consideration

NW 6th Ave, Ontario, OR 97914

2044 N Whitley Dr, Fruitland, ID 83619

N Whitley Dr. Lot 7, Fruitland, ID 83619

2010 S Johns Ave, Emmett, ID 83617

Off-Market Properties in Ontario, OR

345 4th St, Ontario, OR 97914-2640

251 19th St, Ontario, OR 97914-1972

351 1st St, Ontario, OR 97914-2707

35 9th St, Ontario, OR 97914-2636

434 Idaho Ave, Ontario, OR 97914-2347

44 Oregon St, Ontario, OR 97914-2806

1076 4th Ave, Ontario, OR 97914-2128

190 4th Ave, Ontario, OR 97914-2729

1106 4th Ave, Ontario, OR 97914-2130

280 Oregon St, Ontario, OR 97914-2810

933 30th St, Ontario, OR 97914-4627

158 1st St, Ontario, OR 97914-2704

1257 4th Ave, Ontario, OR 97914-4516

842 1st Ave, Ontario, OR 97914-2904

368 5th Ave, Ontario, OR 97914-3544

1037 5th Ave, Ontario, OR 97914-3301

1335 1st Ave, Ontario, OR 97914-2910

772 Oregon St, Ontario, OR 97914-1727

230 Oregon St, Ontario, OR 97914-2445

1036 4th Ave, Ontario, OR 97914-2128

Ontario, OR Office Spaces Market Trends and Statistics

Top Commercial Asset Segments

Demographics Overview

High-Yield Neighborhoods for Investment

Taxes & Financing

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