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Cascade Building 520-538 SW 6th Ave 299 - 50,574 SF of Office Space Available in Portland, OR 97204

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ALL AVAILABLE SPACES(16)

Display Rental Rate as

  • SPACE
  • SIZE
  • TERM
  • RENTAL RATE
  • SPACE USE
  • CONDITION
  • AVAILABLE
  • 4th Floor, Ste 400
  • 9,789 SF
  • Negotiable
  • $23.00 /SF/YR $1.92 /SF/MO $225,147 /YR $18,762 /MO
  • Office
  • Full Build-Out
  • Now

Full floor space has been completely renovated with all new high end fits and finishes - Q1 2019 New upgraded lobby and common areas New Tenant lounge - 8th Floor On-site property management & building engineer New fitness center with showers - 6th Floor New building conference room - 9th Floor Located directly on Transit Mall and one block from Pioneer Courthouse Square Parking approximately .05/1,000

  • Rate includes utilities, building services and property expenses
  • Mostly Open Floor Plan Layout
  • Central Air and Heating
  • Fully Built-Out as Standard Office
  • Finished Ceilings: 14’
  • 5th Floor, Ste 520
  • 1,539 SF
  • Negotiable
  • $23.00 /SF/YR $1.92 /SF/MO $35,397 /YR $2,950 /MO
  • Office
  • -
  • Now
  • Rate includes utilities, building services and property expenses
  • Central Air and Heating
  • 6th Floor, Ste 600
  • 922 SF
  • Negotiable
  • $23.00 /SF/YR $1.92 /SF/MO $21,206 /YR $1,767 /MO
  • Office
  • Shell Space
  • 60 Days

New upgraded lobby and common areas New Tenant lounge - 8th Floor On-site property management & building engineer New fitness center with showers - 6th Floor New building conference room - 9th Floor Located directly on Transit Mall and one block from Pioneer Courthouse Square Parking approximately .05/1,000

  • Rate includes utilities, building services and property expenses
  • Central Air Conditioning
  • Mostly Open Floor Plan Layout
  • Kitchenette
  • 6th Floor, Ste 640
  • 2,302 SF
  • Negotiable
  • $23.00 /SF/YR $1.92 /SF/MO $52,946 /YR $4,412 /MO
  • Office
  • Shell Space
  • 60 Days

New upgraded lobby and common areas New Tenant lounge - 8th Floor On-site property management & building engineer New fitness center with showers - 6th Floor New building conference room - 9th Floor Located directly on Transit Mall and one block from Pioneer Courthouse Square Parking approximately .05/1,000

  • Rate includes utilities, building services and property expenses
  • Central Air Conditioning
  • Mostly Open Floor Plan Layout
  • Kitchenette
  • 7th Floor, Ste 700
  • 8,258 SF
  • Negotiable
  • $23.00 /SF/YR $1.92 /SF/MO $189,934 /YR $15,828 /MO
  • Office
  • -
  • Now
  • Rate includes utilities, building services and property expenses
  • Central Air Conditioning
  • 8th Floor, Ste 830
  • 3,183 SF
  • Negotiable
  • $23.00 /SF/YR $1.92 /SF/MO $73,209 /YR $6,101 /MO
  • Office
  • Partial Build-Out
  • Now

Medical use possible. New upgraded lobby and common areas New Tenant lounge - 8th Floor On-site property management & building engineer New fitness center with showers - 6th Floor New building conference room - 9th Floor Located directly on Transit Mall and one block from Pioneer Courthouse Square Parking approximately .05/1,000

  • Rate includes utilities, building services and property expenses
  • Space is in Excellent Condition
  • Partially Built-Out as Standard Office
  • Central Air Conditioning
  • 9th Floor, Ste 920
  • 1,579-5,909 SF
  • Negotiable
  • $23.00 /SF/YR $1.92 /SF/MO $135,907 /YR $11,326 /MO
  • Office
  • Partial Build-Out
  • Now
  • Rate includes utilities, building services and property expenses
  • Mostly Open Floor Plan Layout
  • Can be combined with additional space(s) for up to 11,818 SF of adjacent space
  • Partially Built-Out as Standard Office
  • Space is in Excellent Condition
  • Central Air Conditioning
  • 9th Floor, Ste 940
  • 4,330-5,909 SF
  • Negotiable
  • $23.00 /SF/YR $1.92 /SF/MO $135,907 /YR $11,326 /MO
  • Office
  • Full Build-Out
  • 30 Days

Well appointed space with upgrades available.

  • Rate includes utilities, building services and property expenses
  • Mostly Open Floor Plan Layout
  • Can be combined with additional space(s) for up to 11,818 SF of adjacent space
  • Kitchenette
  • Fully Built-Out as Standard Office
  • Space is in Excellent Condition
  • Central Air Conditioning
  • 10th Floor, Ste 1030
  • 2,879 SF
  • Negotiable
  • $23.00 /SF/YR $1.92 /SF/MO $66,217 /YR $5,518 /MO
  • Office
  • Full Build-Out
  • Now

Upgrades available.

  • Rate includes utilities, building services and property expenses
  • Space is in Excellent Condition
  • Fully Built-Out as Standard Office
  • Central Air Conditioning
  • 10th Floor, Ste 1035
  • 299 SF
  • Negotiable
  • $23.00 /SF/YR $1.92 /SF/MO $6,877 /YR $573.08 /MO
  • Office
  • -
  • Now

Short term leases considered.

  • Rate includes utilities, building services and property expenses
  • Central Air Conditioning
  • 1 Private Office
  • 11th Floor, Ste 1110
  • 1,720 SF
  • Negotiable
  • $23.00 /SF/YR $1.92 /SF/MO $39,560 /YR $3,297 /MO
  • Office
  • Full Build-Out
  • Now
  • Rate includes utilities, building services and property expenses
  • Mostly Open Floor Plan Layout
  • Central Air Conditioning
  • Fully Built-Out as Law Office
  • Can be combined with additional space(s) for up to 5,248 SF of adjacent space
  • 11th Floor, Ste 1120
  • 617 SF
  • Negotiable
  • $23.00 /SF/YR $1.92 /SF/MO $14,191 /YR $1,183 /MO
  • Office
  • -
  • Now
  • Rate includes utilities, building services and property expenses
  • Can be combined with additional space(s) for up to 5,248 SF of adjacent space
  • 11th Floor, Ste 1130
  • 2,911 SF
  • Negotiable
  • $23.00 /SF/YR $1.92 /SF/MO $66,953 /YR $5,579 /MO
  • Office
  • -
  • Now
  • Rate includes utilities, building services and property expenses
  • Central Air Conditioning
  • Can be combined with additional space(s) for up to 5,248 SF of adjacent space
  • 12th Floor, Ste 1200
  • 2,050 SF
  • Negotiable
  • $23.00 /SF/YR $1.92 /SF/MO $47,150 /YR $3,929 /MO
  • Office
  • -
  • March 01, 2026
  • Rate includes utilities, building services and property expenses
  • 12th Floor, Ste 1210
  • 1,923 SF
  • Negotiable
  • $23.00 /SF/YR $1.92 /SF/MO $44,229 /YR $3,686 /MO
  • Office
  • -
  • Now

Top floor corner space with great natural lighting.

  • Rate includes utilities, building services and property expenses
  • 12th Floor, Ste 1230
  • 364 SF
  • Negotiable
  • $23.00 /SF/YR $1.92 /SF/MO $8,372 /YR $697.67 /MO
  • Office
  • -
  • Now
  • Rate includes utilities, building services and property expenses
Space Size Term Rental Rate Space Use Condition Available
4th Floor, Ste 400 9,789 SF Negotiable $23.00 /SF/YR $1.92 /SF/MO $225,147 /YR $18,762 /MO Office Full Build-Out Now
5th Floor, Ste 520 1,539 SF Negotiable $23.00 /SF/YR $1.92 /SF/MO $35,397 /YR $2,950 /MO Office - Now
6th Floor, Ste 600 922 SF Negotiable $23.00 /SF/YR $1.92 /SF/MO $21,206 /YR $1,767 /MO Office Shell Space 60 Days
6th Floor, Ste 640 2,302 SF Negotiable $23.00 /SF/YR $1.92 /SF/MO $52,946 /YR $4,412 /MO Office Shell Space 60 Days
7th Floor, Ste 700 8,258 SF Negotiable $23.00 /SF/YR $1.92 /SF/MO $189,934 /YR $15,828 /MO Office - Now
8th Floor, Ste 830 3,183 SF Negotiable $23.00 /SF/YR $1.92 /SF/MO $73,209 /YR $6,101 /MO Office Partial Build-Out Now
9th Floor, Ste 920 1,579-5,909 SF Negotiable $23.00 /SF/YR $1.92 /SF/MO $135,907 /YR $11,326 /MO Office Partial Build-Out Now
9th Floor, Ste 940 4,330-5,909 SF Negotiable $23.00 /SF/YR $1.92 /SF/MO $135,907 /YR $11,326 /MO Office Full Build-Out 30 Days
10th Floor, Ste 1030 2,879 SF Negotiable $23.00 /SF/YR $1.92 /SF/MO $66,217 /YR $5,518 /MO Office Full Build-Out Now
10th Floor, Ste 1035 299 SF Negotiable $23.00 /SF/YR $1.92 /SF/MO $6,877 /YR $573.08 /MO Office - Now
11th Floor, Ste 1110 1,720 SF Negotiable $23.00 /SF/YR $1.92 /SF/MO $39,560 /YR $3,297 /MO Office Full Build-Out Now
11th Floor, Ste 1120 617 SF Negotiable $23.00 /SF/YR $1.92 /SF/MO $14,191 /YR $1,183 /MO Office - Now
11th Floor, Ste 1130 2,911 SF Negotiable $23.00 /SF/YR $1.92 /SF/MO $66,953 /YR $5,579 /MO Office - Now
12th Floor, Ste 1200 2,050 SF Negotiable $23.00 /SF/YR $1.92 /SF/MO $47,150 /YR $3,929 /MO Office - March 01, 2026
12th Floor, Ste 1210 1,923 SF Negotiable $23.00 /SF/YR $1.92 /SF/MO $44,229 /YR $3,686 /MO Office - Now
12th Floor, Ste 1230 364 SF Negotiable $23.00 /SF/YR $1.92 /SF/MO $8,372 /YR $697.67 /MO Office - Now

4th Floor, Ste 400

Size
9,789 SF
Term
Negotiable
Rental Rate
$23.00 /SF/YR $1.92 /SF/MO $225,147 /YR $18,762 /MO
Space Use
Office
Condition
Full Build-Out
Available
Now

5th Floor, Ste 520

Size
1,539 SF
Term
Negotiable
Rental Rate
$23.00 /SF/YR $1.92 /SF/MO $35,397 /YR $2,950 /MO
Space Use
Office
Condition
-
Available
Now

6th Floor, Ste 600

Size
922 SF
Term
Negotiable
Rental Rate
$23.00 /SF/YR $1.92 /SF/MO $21,206 /YR $1,767 /MO
Space Use
Office
Condition
Shell Space
Available
60 Days

6th Floor, Ste 640

Size
2,302 SF
Term
Negotiable
Rental Rate
$23.00 /SF/YR $1.92 /SF/MO $52,946 /YR $4,412 /MO
Space Use
Office
Condition
Shell Space
Available
60 Days

7th Floor, Ste 700

Size
8,258 SF
Term
Negotiable
Rental Rate
$23.00 /SF/YR $1.92 /SF/MO $189,934 /YR $15,828 /MO
Space Use
Office
Condition
-
Available
Now

8th Floor, Ste 830

Size
3,183 SF
Term
Negotiable
Rental Rate
$23.00 /SF/YR $1.92 /SF/MO $73,209 /YR $6,101 /MO
Space Use
Office
Condition
Partial Build-Out
Available
Now

9th Floor, Ste 920

Size
1,579-5,909 SF
Term
Negotiable
Rental Rate
$23.00 /SF/YR $1.92 /SF/MO $135,907 /YR $11,326 /MO
Space Use
Office
Condition
Partial Build-Out
Available
Now

9th Floor, Ste 940

Size
4,330-5,909 SF
Term
Negotiable
Rental Rate
$23.00 /SF/YR $1.92 /SF/MO $135,907 /YR $11,326 /MO
Space Use
Office
Condition
Full Build-Out
Available
30 Days

10th Floor, Ste 1030

Size
2,879 SF
Term
Negotiable
Rental Rate
$23.00 /SF/YR $1.92 /SF/MO $66,217 /YR $5,518 /MO
Space Use
Office
Condition
Full Build-Out
Available
Now

10th Floor, Ste 1035

Size
299 SF
Term
Negotiable
Rental Rate
$23.00 /SF/YR $1.92 /SF/MO $6,877 /YR $573.08 /MO
Space Use
Office
Condition
-
Available
Now

11th Floor, Ste 1110

Size
1,720 SF
Term
Negotiable
Rental Rate
$23.00 /SF/YR $1.92 /SF/MO $39,560 /YR $3,297 /MO
Space Use
Office
Condition
Full Build-Out
Available
Now

11th Floor, Ste 1120

Size
617 SF
Term
Negotiable
Rental Rate
$23.00 /SF/YR $1.92 /SF/MO $14,191 /YR $1,183 /MO
Space Use
Office
Condition
-
Available
Now

11th Floor, Ste 1130

Size
2,911 SF
Term
Negotiable
Rental Rate
$23.00 /SF/YR $1.92 /SF/MO $66,953 /YR $5,579 /MO
Space Use
Office
Condition
-
Available
Now

12th Floor, Ste 1200

Size
2,050 SF
Term
Negotiable
Rental Rate
$23.00 /SF/YR $1.92 /SF/MO $47,150 /YR $3,929 /MO
Space Use
Office
Condition
-
Available
March 01, 2026

12th Floor, Ste 1210

Size
1,923 SF
Term
Negotiable
Rental Rate
$23.00 /SF/YR $1.92 /SF/MO $44,229 /YR $3,686 /MO
Space Use
Office
Condition
-
Available
Now

12th Floor, Ste 1230

Size
364 SF
Term
Negotiable
Rental Rate
$23.00 /SF/YR $1.92 /SF/MO $8,372 /YR $697.67 /MO
Space Use
Office
Condition
-
Available
Now

4th Floor, Ste 400

Size 9,789 SF
Term Negotiable
Rental Rate $23.00 /SF/YR
Space Use Office
Condition Full Build-Out
Available Now

Full floor space has been completely renovated with all new high end fits and finishes - Q1 2019 New upgraded lobby and common areas New Tenant lounge - 8th Floor On-site property management & building engineer New fitness center with showers - 6th Floor New building conference room - 9th Floor Located directly on Transit Mall and one block from Pioneer Courthouse Square Parking approximately .05/1,000

  • Rate includes utilities, building services and property expenses
  • Fully Built-Out as Standard Office
  • Mostly Open Floor Plan Layout
  • Finished Ceilings: 14’
  • Central Air and Heating

5th Floor, Ste 520

Size 1,539 SF
Term Negotiable
Rental Rate $23.00 /SF/YR
Space Use Office
Condition -
Available Now

  • Rate includes utilities, building services and property expenses
  • Central Air and Heating

6th Floor, Ste 600

Size 922 SF
Term Negotiable
Rental Rate $23.00 /SF/YR
Space Use Office
Condition Shell Space
Available 60 Days

New upgraded lobby and common areas New Tenant lounge - 8th Floor On-site property management & building engineer New fitness center with showers - 6th Floor New building conference room - 9th Floor Located directly on Transit Mall and one block from Pioneer Courthouse Square Parking approximately .05/1,000

  • Rate includes utilities, building services and property expenses
  • Mostly Open Floor Plan Layout
  • Central Air Conditioning
  • Kitchenette

6th Floor, Ste 640

Size 2,302 SF
Term Negotiable
Rental Rate $23.00 /SF/YR
Space Use Office
Condition Shell Space
Available 60 Days

New upgraded lobby and common areas New Tenant lounge - 8th Floor On-site property management & building engineer New fitness center with showers - 6th Floor New building conference room - 9th Floor Located directly on Transit Mall and one block from Pioneer Courthouse Square Parking approximately .05/1,000

  • Rate includes utilities, building services and property expenses
  • Mostly Open Floor Plan Layout
  • Central Air Conditioning
  • Kitchenette

7th Floor, Ste 700

Size 8,258 SF
Term Negotiable
Rental Rate $23.00 /SF/YR
Space Use Office
Condition -
Available Now

  • Rate includes utilities, building services and property expenses
  • Central Air Conditioning

8th Floor, Ste 830

Size 3,183 SF
Term Negotiable
Rental Rate $23.00 /SF/YR
Space Use Office
Condition Partial Build-Out
Available Now

Medical use possible. New upgraded lobby and common areas New Tenant lounge - 8th Floor On-site property management & building engineer New fitness center with showers - 6th Floor New building conference room - 9th Floor Located directly on Transit Mall and one block from Pioneer Courthouse Square Parking approximately .05/1,000

  • Rate includes utilities, building services and property expenses
  • Partially Built-Out as Standard Office
  • Space is in Excellent Condition
  • Central Air Conditioning

9th Floor, Ste 920

Size 1,579-5,909 SF
Term Negotiable
Rental Rate $23.00 /SF/YR
Space Use Office
Condition Partial Build-Out
Available Now

  • Rate includes utilities, building services and property expenses
  • Partially Built-Out as Standard Office
  • Mostly Open Floor Plan Layout
  • Space is in Excellent Condition
  • Can be combined with additional space(s) for up to 11,818 SF of adjacent space
  • Central Air Conditioning

9th Floor, Ste 940

Size 4,330-5,909 SF
Term Negotiable
Rental Rate $23.00 /SF/YR
Space Use Office
Condition Full Build-Out
Available 30 Days

Well appointed space with upgrades available.

  • Rate includes utilities, building services and property expenses
  • Fully Built-Out as Standard Office
  • Mostly Open Floor Plan Layout
  • Space is in Excellent Condition
  • Can be combined with additional space(s) for up to 11,818 SF of adjacent space
  • Central Air Conditioning
  • Kitchenette

10th Floor, Ste 1030

Size 2,879 SF
Term Negotiable
Rental Rate $23.00 /SF/YR
Space Use Office
Condition Full Build-Out
Available Now

Upgrades available.

  • Rate includes utilities, building services and property expenses
  • Fully Built-Out as Standard Office
  • Space is in Excellent Condition
  • Central Air Conditioning

10th Floor, Ste 1035

Size 299 SF
Term Negotiable
Rental Rate $23.00 /SF/YR
Space Use Office
Condition -
Available Now

Short term leases considered.

  • Rate includes utilities, building services and property expenses
  • 1 Private Office
  • Central Air Conditioning

11th Floor, Ste 1110

Size 1,720 SF
Term Negotiable
Rental Rate $23.00 /SF/YR
Space Use Office
Condition Full Build-Out
Available Now

  • Rate includes utilities, building services and property expenses
  • Fully Built-Out as Law Office
  • Mostly Open Floor Plan Layout
  • Can be combined with additional space(s) for up to 5,248 SF of adjacent space
  • Central Air Conditioning

11th Floor, Ste 1120

Size 617 SF
Term Negotiable
Rental Rate $23.00 /SF/YR
Space Use Office
Condition -
Available Now

  • Rate includes utilities, building services and property expenses
  • Can be combined with additional space(s) for up to 5,248 SF of adjacent space

11th Floor, Ste 1130

Size 2,911 SF
Term Negotiable
Rental Rate $23.00 /SF/YR
Space Use Office
Condition -
Available Now

  • Rate includes utilities, building services and property expenses
  • Can be combined with additional space(s) for up to 5,248 SF of adjacent space
  • Central Air Conditioning

12th Floor, Ste 1200

Size 2,050 SF
Term Negotiable
Rental Rate $23.00 /SF/YR
Space Use Office
Condition -
Available March 01, 2026

  • Rate includes utilities, building services and property expenses

12th Floor, Ste 1210

Size 1,923 SF
Term Negotiable
Rental Rate $23.00 /SF/YR
Space Use Office
Condition -
Available Now

Top floor corner space with great natural lighting.

  • Rate includes utilities, building services and property expenses

12th Floor, Ste 1230

Size 364 SF
Term Negotiable
Rental Rate $23.00 /SF/YR
Space Use Office
Condition -
Available Now

  • Rate includes utilities, building services and property expenses

PROPERTY OVERVIEW

Building has been completely renovated with all new high end fits and finishes New upgraded lobby and common areas New fitness center with private showers - 6th Floor New Tenant lounge - 8th Floor New building conference room - 9th Floor On-site ownership & building engineer Located directly on Transit Mall and one block from Pioneer Courthouse Square This building was awarded LEED Platinum certification by the U.S. Green Building Council. Parking approximately .05/1,000

  • Bus Line
  • Conferencing Facility
  • Fitness Center
  • Property Manager on Site
  • Energy Star Labeled
  • Shower Facilities

PROPERTY FACTS

Building Type
Office
Year Built/Renovated
1926/2019
Building Height
12 Stories
Building Size
110,375 SF
Building Class
B
Typical Floor Size
8,258 SF
Parking
Surface Parking
Covered Parking

SELECT TENANTS

  • FLOOR
  • TENANT NAME
  • INDUSTRY
  • 6th
  • C & B Consulting Engineers
  • -
  • 10th
  • Kramer & Associates
  • -
  • Multiple
  • Legal Aid Services of Oregon
  • -
  • 4th
  • Level 3 Communications
  • -
  • 12th
  • NBG Solutions Inc
  • -
  • 8th
  • Oregon Health Care Q Corp
  • -
  • 1st
  • OSU Beaver Store
  • Retailer
  • 2nd
  • Radar First
  • -
  • 9th
  • The Gordian Group
  • -
Walk Score®
Walker's Paradise (100)
Transit Score®
Rider's Paradise (95)
Bike Score®
Biker's Paradise (96)
What is a Walk Score®, Transit Score® & Bike Score®?
Walk Score® measures the walkability of any address.
Transit Score® measures access to public transit.
Bike Score® measures bikeability of a location.
What is a Walk Score®
, Transit Score® & Bike Score?
Walk Score® measures the walkability
of any address. Transit Score®
measures access to public transit. Bike Score®
measures bikeability of a location.®
  • Listing ID: 31029031

  • Date on Market: 8/21/2025

  • Last Updated:

  • Address: 520-538 SW 6th Ave, Portland, OR 97204

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