Photo of 375 Riverside Street
7
Retail · Mixed Use

375 Riverside Street

Portland, ME 04103

Available spaces

3 for lease · asking rates · updated Sep 22, 2026

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Suite A

$16.00–$19.00/SF/yr NNN
Size 3,102 SFAvailable Now≈ Monthly $4,136–$4,912

Lease rate shown reflects the starting rental rate. Actual lease rate ranges from $16.00 PSF NNN to $19.00 PSF NNN based on suite size, term, and deal structure. We are pleased to present an exceptional opportunity at 375 Riverside Street in Portland, Maine, now available for lease. Exterior renovations to commence and be completed summer 2026. Ideally situated just a mile from Exit 48 of I-95 and the vibrant Rock Row Development, this property boasts un-matched accessibility and visibility. With an impressive traffic count of 18,300 AADT (2019) and approximately 300 feet of prominent road frontage, this location offers outstanding retail visibility along one of Portland’s busiest corridors. The flexible layout options cater to a diverse array of retail users, allowing businesses to find the perfect fit for their needs. Join a thriving community of strong local and national brands, including Home Depot, Berlin City Toyota, Empeople Credit Union, REI, and Chick-fil-A, in this rapidly growing area of Greater Portland. Don’t miss this chance to position your business in a dynamic market with incredible potential. *Please note: Industrial units can be converted to retail, but then would be priced at retail rate.

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Suite B

$16.00–$19.00/SF/yr NNN
Size 4,209 SFAvailable Now≈ Monthly $5,612–$6,664

Lease rate shown reflects the starting rental rate. Actual lease rate ranges from $16.00 PSF NNN to $19.00 PSF NNN based on suite size, term, and deal structure. We are pleased to present an exceptional opportunity at 375 Riverside Street in Portland, Maine, now available for lease. Exterior renovations to commence and be completed summer 2026. Ideally situated just a mile from Exit 48 of I-95 and the vibrant Rock Row Development, this property boasts un-matched accessibility and visibility. With an impressive traffic count of 18,300 AADT (2019) and approximately 300 feet of prominent road frontage, this location offers outstanding retail visibility along one of Portland’s busiest corridors. The flexible layout options cater to a diverse array of retail users, allowing businesses to find the perfect fit for their needs. Join a thriving community of strong local and national brands, including Home Depot, Berlin City Toyota, Empeople Credit Union, REI, and Chick-fil-A, in this rapidly growing area of Greater Portland. Don’t miss this chance to position your business in a dynamic market with incredible potential. *Please note: Industrial units can be converted to retail, but then would be priced at retail rate.

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Suite A&B Combined

$16.00–$19.00/SF/yr NNN
Size 7,311 SFAvailable Now≈ Monthly $9,748–$11,576

Lease rate shown reflects the starting rental rate. Actual lease rate ranges from $16.00 PSF NNN to $19.00 PSF NNN based on suite size, term, and deal structure. We are pleased to present an exceptional opportunity at 375 Riverside Street in Portland, Maine, now available for lease. Exterior renovations to commence and be completed summer 2026. Ideally situated just a mile from Exit 48 of I-95 and the vibrant Rock Row Development, this property boasts un-matched accessibility and visibility. With an impressive traffic count of 18,300 AADT (2019) and approximately 300 feet of prominent road frontage, this location offers outstanding retail visibility along one of Portland’s busiest corridors. The flexible layout options cater to a di-verse array of retail users, allowing businesses to find the perfect fit for their needs. Join a thriving community of strong local and national brands, including Home Depot, Berlin City Toyota, Empeople Credit Union, REI, and Chick-fil-A, in this rapidly growing area of Greater Portland. Don’t miss this chance to position your business in a dynamic market with incredible potential.

The building

Building
26,285 SF · 1 floor
Site
2.8 Acres · B4 zoning
Occupancy
Single-tenant
Submarket
Portland-South Portland

Comps

Comparable sales and lease data is available to members only.
SM
Steve M Baumann · Compass Commercial Brokers, LLC
Lists 3 of 3 spaces