River Forum I

4380 SW Macadam Avenue, Portland, OR 97239

Property Information

  • For Lease Contact for pricing
  • Property Type Office - General Office
  • Property Size 145,733 SF
  • Lot Size 3.18 Acre
  • Parking Spaces Avail. 450
  • Parking Ratio 3.09 / 1,000 SF
  • Property Tenancy Multi-Tenant
  • Building Class B
  • Year Built 1985
  • Date Updated Jun 25, 2026

Description

River Forum I is a 145,733-square-foot Class B office building set on a spacious 3.18-acre lot with 450 parking spaces, offering a parking ratio of 3.09 spaces per 1,000 square feet. The property is thoughtfully designed for general office use and provides convenience for tenants seeking accessible parking solutions. Constructed in 1985, the building is located at 4380 SW Macadam Avenue, making it a functional option for businesses seeking office space within the South Waterfront neighborhood.

The South Waterfront area is recognized for its proximity to major transit options, retail offerings, and dining establishments. Bancroft Street is approximately 0.1 miles away, ensuring quick access to public transportation. Nearby restaurants such as River Forum Cafe and Rosswood are within 0.1 miles, while The Old Spaghetti Factory is approximately 0.2 miles away, offering diverse dining choices for employees. The River's Edge Hotel is just 0.08 miles from the building, providing nearby lodging for out-of-town visitors. Additionally, educational facilities like The Cottonwood School of Civics and Science are within a short walking distance, approximately 0.1 miles away.

2 Spaces Available

#385

Space Type

General Office

Lease Rate

Contact for pricing

Total Space

1,271 SF

Divisible Space

1,271 - 1,271 SF

Available Date

Immediate

Renewal Option

No

Sublease

Yes

Sublease Expiry

Feb 28, 2029

Turnkey

No

#500

Space Type

General Office

Lease Rate

Contact for pricing

Total Space

7,280 SF

Divisible Space

7,280 - 7,280 SF

Available Date

Immediate

Renewal Option

No

Sublease

Yes

Sublease Expiry

Dec 31, 2026

+Expires 12/31/2026 +Contact Broker for Rate +Newly modern lobby and Tenant Lounge +Updated conference rooms +Fitness Center with river views +Collaborative meeting space +Underground secured parking +Welcoming courtyard with river views

Contacts

Location

Located at 4380 SW Macadam Avenue, Portland, OR 97239, this property is part of the South Waterfont neighborhood and Portland market.

Contact River Forum I
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