Office Building with
For Sale
$1,000,000
12290 SW MAIN St, Portland, OR 97223
CommercialSale, Portland, OR
Property Size3,000 SF
Lot Size0.03 Acres
Price / SF$333.33
Days on Market552
Property Features for 12290 SW MAIN St
General Information
Property type
Commercial Sale
Property subtype
Office
Zoning
MU-SBD
Directions
HWY 99, Turn on SW Main St South Side of Main St
Subdivision
_151
Standard status
Active
APN
R460673
Size
3,000 SF
Lot size
0.03 Acres
Taxes and HOA fees
Tax Description
ACRES 0.03
Tax Annual Amount
5992
Legal Description
ACRES 0.03
Utilities
Heating system
Forced Air
Cooling system
Central Air
Amenities
monument and building signage
Building Details
Year built
1976
Floors in Building
2
Building materials
WoodSiding
Roof type
Flat
Listing Agency:
Liberty First Realty, LLC
(503) 278-5334
Listed By:
James White · License #200702330
(503) 278-5342
Added: Apr 7, 2025
Changed: Aug 25
Last Checked: Oct 10 at 10:06AM
MLS# 380270259
Copyright © 2026 Regional Multiple Listing Services. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.
Investment Insights
Based on property information with market context.
This 3,000-square-foot office building at 12290 SW MAIN St. provides a flexible commercial layout for office, professional service, or specialty retail use. The property includes updated interior finishes, street-facing visibility, monument signage, and building signage. Built in 1976, the structure features wood siding, a flat roof, forced-air heating, and central air conditioning.
A transferable TriMet parking lease provides up to 14 parking spaces. The property is positioned for an owner-user seeking an established business location with the ability to occupy the building and potentially lease a smaller portion for supplemental income. Zoning is MU-SBD, and permitted uses should be verified by the buyer.
A transferable TriMet parking lease provides up to 14 parking spaces. The property is positioned for an owner-user seeking an established business location with the ability to occupy the building and potentially lease a smaller portion for supplemental income. Zoning is MU-SBD, and permitted uses should be verified by the buyer.
Key Highlights
- 3,000‑square‑foot office building on 0.03 acres
- Transferable TriMet parking lease with up to 14 parking spaces
- Updated interior finishes with monument and building signage
Financial Insights
Estimated NOI and Cap Rate
NOI / Yr
$38,834
Cap Rate
3.88%
Suggested Prices Based on Cap Rates
Cap Rate 5%
$776,680
$776.7K
Cap Rate 7%
$554,771
$554.8K
Cap Rate 9%
$431,489
$431.5K
Market Conditions
NOI Build-Up for 3,000 SF
Gross rent
$68.4K $22.80/SF
− Vacancy
−$16.6K −$5.54/SF
EGI
$51.8K $17.26/SF
− OpEx
−$12.9K −$4.31/SF
NOI
$38.8K $12.94/SF
Area
ZIP 97223
Vacancy
24.30%
Lease Rate
$22.80 /SF/Yr
Expense Ratio
25.00%
Simulate Cap Rate and NOI
Suggested Prices Based on Cap Rates
Cap Rate 5%
$776,680
Cap Rate 7%
$554,771
Cap Rate 9%
$431,489
Alternative Uses
Best Use
Office B
$554.8K
$485.4K – $647.2K
NOI $38,834 @ 7.0% cap · market cap 3.88%
Second Best
Retail
$499.5K
$437.1K – $582.8K
NOI $34,965 @ 7.0% cap · market cap 3.50%
Theoretical Best
Office A
$842.5K
$737.2K – $982.9K
NOI $58,973 @ 7.0% cap · market cap 5.90%
Zoning and permitted uses should be independently verified with authorities.
Property Analytics
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Current Use
Location Intelligence
Trade Area within ½ mile
1,476
Businesses Nearby
Explore this area
Business Placement
Demographics for 97223, OR
49,967
Population
21,428
Households
2.3
Avg Household Size
39
Median Age
50%
College-Educated
95%
High-School Grad
11.1 sq mi
ZIP Area
4,502
Density / Sq Mi
$108,040
Median Household Income
$57,411
Median Earnings
$1,726
Median Rent
$577,600
Median Home Value
Check the figures for this property
Cap Rate, Value Estimation, Potential NOI and more
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Market
Vacancy Rate% for Office in Portland, OR
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Frequently Asked Questions
What type of property is this?
Office building - MU-SBD zoning, visible signage, and transferable parking support an owner-occupied office or service business.
Where is this office building located?
The property is located at 12290 SW MAIN St Portland, OR.
What is the asking price?
The asking price for this property is $1,000,000.
What are key features of this property?
This property features: 3,000‑square‑foot office building on 0.03 acres; Transferable TriMet parking lease with up to 14 parking spaces; Updated interior finishes with monument and building signage
