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400 Riverside St
Portland, ME 04103 Riverton

$1,400 - $4,001 USD/MO

Medical For Lease • 768+ SF

Property Details

Property Type Medical
Year Built 1984
Total Building Size 20,495 SF
Tenancy Multiple
Building Class B
Zoning IM

0 Transit Score

40 Walk Score

6 Spaces Available

Name	Space Use	Size	Rent
1st Floor Ste A2.1	Industrial	768 SF	$21.88 USD/SF/YR
Suite A-2.1 is a 768 SF high-bay drive-in garage at Presumpscot Works, a four-building flex and office campus minutes from I-95. Drive-in door, shared restroom and kitchen access, and off-street parking make it a practical fit for a contractor, small fabrication shop, storage, or a studio that needs bay access. I-Mb zoning supports a wide range of light industrial and service uses. NNN lease with CAM estimated at $256 per month. Available now. Local management by Puffin Property Management; email rental@puffinmgt.com to schedule a tour. Date available: Oct 2026 Lease term: Negotiable Service type: Triple Net Space Type: New
1st Floor Ste A3	Office	2,700 SF	$17.78 USD/SF/YR
Suite A-3 is a 2,700 SF first-floor office suite at Presumpscot Works, a four-building flex and office campus minutes from I-95. Fully built out office space with on-site parking, suited to a professional services firm, construction or engineering office, or studio. I-Mb zoning supports a wide range of office and light industrial uses. NNN lease with CAM estimated at $4.00/SF/year. Available now. Local management by Puffin Property Management; email rental@puffinmgt.com to schedule a tour. Date available: Oct 2026 Lease term: Negotiable Service type: Triple Net Built out as: Standard Office Space Type: New
1st Floor Ste A7	Office	1,500 SF	$19.00 USD/SF/YR
Suite A-7 is a 1,500 SF first-floor office/flex suite at Presumpscot Works, a four-building flex and office campus minutes from I-95. Fully built out with private restroom access and on-site parking. I-Mb zoning supports office, studio, light industrial, and service uses. NNN lease with CAM estimated at $4.00/SF/year. Available now. Local management by Puffin Property Management; email rental@puffinmgt.com to schedule a tour. Date available: Oct 2026 Lease term: Negotiable Service type: Triple Net Built out as: Standard Office Space Type: New
1st Floor Ste B1	Industrial	1,100 SF	$16.36 USD/SF/YR
Suite B-1 is a 1,100 SF two-bay garage with a heat pump and bathroom at Presumpscot Works, a four-building flex and office campus minutes from I-95. Two drive-in bays, heating and cooling, and on-site parking make it a practical fit for a contractor, small shop, storage, or a studio that needs bay access. I-Mb zoning supports a wide range of light industrial and service uses. NNN lease with CAM estimated at $4.00/SF/year. Available now. Local management by Puffin Property Management; email rental@puffinmgt.com to schedule a tour. Date available: Oct 2026 Lease term: Negotiable Service type: Triple Net Space Type: New
1st Floor Ste B3	Industrial	1,100 SF	$18.00 USD/SF/YR
Suite B-3 is a 1,100 SF two-bay garage with a private office and bathroom at Presumpscot Works, a four-building flex and office campus minutes from I-95. Two drive-in bays, a built-in office, and on-site parking make it a practical fit for a contractor, service business, small shop, or studio that needs bay access plus a place to do paperwork. I-Mb zoning supports a wide range of light industrial and service uses. NNN lease with CAM estimated at $4.00/SF/year. Available now. Local management by Puffin Property Management; email rental@puffinmgt.com to schedule a tour. Date available: Oct 2026 Lease term: Negotiable Service type: Triple Net Space Type: New
2nd Floor Ste C2	Office	2,600 SF	$18.46 USD/SF/YR
Suite C-2 is a large 2,600 SF second-floor office at Presumpscot Works, a four-building flex and office campus minutes from I-95. Fully built out office space with natural light and on-site parking, well suited to a growing professional office, creative studio, or team headquarters. I-Mb zoning supports a wide range of office and light industrial uses. NNN lease with CAM estimated at $4.00/SF/year. Available now. Local management by Puffin Property Management; email rental@puffinmgt.com to schedule a tour. Date available: Oct 2026 Lease term: Negotiable Service type: Triple Net Built out as: Standard Office Space Type: New

Description

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.

                
                    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

Major Tenants

Tenant	SF Occupied	Lease End Date
Box Tie Studio
DaBella
Harmon Glass
New Tides Residential
Veristas Care

Public Transportation

Commuter Rail	Drive	Walk	Distance
	9 min	-	4.2 mi
Airport	Drive	Walk	Distance
Portland International Jetport	11 min	-	5.0 mi

Parking Details

Parking Available:	Yes
Reserved:	No
Type:	Surface
Included in Rent:	Yes

Jennifer Munroe 207-910-6289 Puffin Property Management

400 Riverside St Portland, ME 04103 Riverton