207-910-6289
400 Riverside St, Portland, ME for Rent

$16.36-$21.88 USD /SF/yr

Office, Industrial - For Rent
1/41
768-2,700 SF | 6 Spaces

NEW


400 Riverside St
Portland, ME 04103
Riverton


HIGHLIGHTS

  • Four-building flex and office campus minutes from I-95 and the Maine Turnpike
  • I-Mb zoning allows office, flex, light industrial, studio, and warehouse uses
  • Recently painted, repaved, and restriped with upgraded building systems
  • Ample on-site parking with drive-in garage bays available
  • Six spaces from 768 to 2,700 SF available now, NNN with CAM estimated at $4.00/SF
  • Local ownership and professional management by Puffin Property Management

OVERVIEW

Presumpscot Works is a four-building flex and office campus on Riverside Street in Portland, minutes from I-95 and the Maine Turnpike. The property offers a flexible mix of office, flex, and light-industrial space in units ranging from roughly 770 to 5,500 square feet, with room for a single small studio or a full production and distribution operation. The campus is under active improvement: freshly painted interiors and exteriors, repaved and restriped parking, upgraded building systems, and a cleaned-up site throughout. I-Mb zoning supports a broad range of uses, from general offices and construction and engineering services to studios, warehousing and distribution, self-storage, light manufacturing, and specialty food service. Ample on-site parking and professional local management by Puffin Property Management make this a practical home for growing Portland-area businesses. Leases are NNN with CAM estimated at $4.00/SF/year. Contact rental@puffinmgt.com to schedule a tour.

RENTAL DETAILS

SPACE AVAILABLE

768-2,700 SF

# OF SPACES

6

RENT RATE (MO)

$1.36-$1.82 USD /SF/mo

RENT RATE (YR)

$16.36-$21.88 USD /SF/yr

LEASE TYPE

Triple Net

LEASE LENGTH

Negotiable

AVAILABLE

Oct 01, 2026

BUILDING DETAILS

PROPERTY TYPE

Office

PROPERTY SUBTYPE

Medical

TOTAL BUILDING SIZE

20,495 SF

BUILDING CLASS

B

YEAR BUILT

1984

PARKING SPACES

-

LAND DETAILS

LAND ACRES

2.71 AC

LAND SF

118,047.6 SF

ZONING

IM

ASK ABOUT THIS PROPERTY

Jennifer MunroePuffin Property ManagementMore Info
207-910-6289

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Jennifer MunroePuffin Property ManagementMore Info
207-910-6289

By clicking the button, you agree to Showcase's Terms of Use and Privacy Notice.