Downtown Portland Office Space
For Lease
$28.50 SF/Yr
1618 Southwest 1st Avenue, Portland, OR 97201
Office space in downtown Portland with river and mountain views.
Space Size738 SF - 10,405 SF
Days on Market293
Property Features for 1618 Southwest 1st Avenue
General Information
Standard status
Active
Size
738 SF - 10,405 SF
Property subtype
Office
Spaces For Lease
at 1618 Southwest 1st Avenue Contact us- Size
- 1,887 SF
- Availability
- Available
Suite 200
- Size
- 5,362 SF
- Availability
- Available
Suite 215
- Size
- 1,944 SF
- Availability
- Available
Suite 220
- Size
- 3,806 SF
- Type
- Office
- Availability
- Available
Suite 300
- Size
- 7,066 SF
- Type
- Office
- Availability
- Available
Suite 305
- Size
- 738 SF
- Type
- Office
- Availability
- Available
Suite 319
- Size
- 1,859 SF
- Availability
- Available
Suite 403
- Size
- 1,059 SF
- Availability
- Available
Suite 405
- Size
- 9,698 SF
- Availability
- Available
Suite 450
- Size
- 10,405 SF
- Availability
- Available
Suite 500
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Listing Agency:
CBRE | Portland
Listed By:
Joe Beehler · License #200407253
(503) 221-4818
Source:
Cbre
Added: Nov 22, 2025
Changed: Aug 25
Last Checked: Sep 11 at 5:29AM
Displayed information is deemed reliable but is not guaranteed and should be independently verified. All listing content including descriptions, pricing, images are the copyrighted material of CBRE | Portland
Investment Insights
Based on property information with market context.
Riviera Plaza offers office spaces within a setting that combines business and leisure. The property features garden settings and is located near shops, services, restaurants, and seasonal venues. It provides views of the Willamette River and Mt. Hood. Situated in downtown Portland, the location allows for work, recreation, and social interaction. The building features mid-century modern architecture and mature landscaping. Transportation options include easy access to freeways, adjacency to the MAX Orange Line, and proximity to the Portland Streetcar. Parking is available at a ratio of 2.00 spaces per 1,000 square feet. The property offers a total size of 43867 square feet.
Key Highlights
- Great views of the Willamette River and downtown Portland
- Located in the heart of downtown Portland near shops, services, restaurants and seasonal venues
- Adjacent to MAX Orange Line and Portland Streetcar
Property Analytics
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Current Use
Lease Details
NNN (Triple Net)
Lease Type
$4.27 /SF/Yr
CAM
Location Intelligence
Trade Area within ½ mile
6,613
Businesses Nearby
Explore this area
Business Placement
Demographics for 97201, OR
17,352
Population
10,748
Households
1.6
Avg Household Size
34
Median Age
67%
College-Educated
95%
High-School Grad
1.9 sq mi
ZIP Area
9,133
Density / Sq Mi
$67,074
Median Household Income
$48,101
Median Earnings
$1,565
Median Rent
$648,400
Median Home Value
Check the figures for this property
Cap Rate, Value Estimation, Potential NOI and more
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Market
Lease Benchmarks for Portland, OR
$22.59 /SF/Yr
Avg Asking Price
$1.71–$40.6 /SF/Yr
Price Range
11,123 SF
Avg Space Size
This space is priced 26% above the average of $22.59 /SF/Yr.
Vacancy Rate% for Office in Portland, OR
Questions? Ask Rey
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Frequently Asked Questions
What type of property is this?
Office units - Office space in downtown Portland with river and mountain views.
Where is this office units located?
The property is located at 1618 Southwest 1st Avenue Portland, OR.
What is the lease rate?
The lease rate is $28.50 SF/Yr.
What are key features of this property?
This property features: Great views of the Willamette River and downtown Portland; Located in the heart of downtown Portland near shops, services, restaurants and seasonal venues; Adjacent to MAX Orange Line and Portland Streetcar
