Portland, ME

Commercial Real Estate for Sale in Portland ME

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Discover commercial properties available now in Portland, Maine. For additional information or to arrange a private tour, connect with Realty of Maine. Be sure to register for an account to track your top listings and get notified when comparable properties become available.

Newest
New Listing
45 Portland Street Portland ME 04101

$1,100,000

Portland, ME

45 Portland Street

  • 1915 Year Built
  • 0.08 Acres
  • 4,748 SqFt
  • 4 Days on Market
MLS#: 1687357
New Listing

$625,000

Portland, ME

892 Riverside Street

  • 1922 Year Built
  • 0.34 Acres
  • 4,610 SqFt
  • 8 Days on Market
MLS#: 1644593
New Listing

$549,000

Portland, ME

805 Stevens Avenue

  • 1844 Year Built
  • 0.17 Acres
  • 2,203 SqFt
  • 12 Days on Market
MLS#: 1686526
New Listing

$530,000

Portland, ME

88 Congress Street, Unit 2

  • 1972 Year Built
  • 877 SqFt
  • 12 Days on Market
MLS#: 1686629
New Listing

$449,900

Portland, ME

193 Warren Avenue

  • 1920 Year Built
  • 0.11 Acres
  • 967 SqFt
  • 13 Days on Market
MLS#: 1686438
New Listing

$9,000,000

Portland, ME

79 Bramhall Street

  • 1900 Year Built
  • 0.87 Acres
  • 50,440 SqFt
  • 25 Days on Market
MLS#: 1684954
New Listing

$649,000

Portland, ME

26 Adelaide Street

  • 1901 Year Built
  • 0.17 Acres
  • 1,861 SqFt
  • 26 Days on Market
MLS#: 1684830

$1,250,000

Portland, ME

255 Diamond Avenue

  • 1850 Year Built
  • 0.03 Acres
  • 1,500 SqFt
  • 37 Days on Market
MLS#: 1683661

$4,250,000

Portland, ME

75 Saint John Street

  • 1946 Year Built
  • 1.16 Acre
  • 30,287 SqFt
  • 51 Days on Market
MLS#: 1681849

$1,195,000

Portland, ME

273 State Street

  • 1894 Year Built
  • 0.11 Acres
  • 5,472 SqFt
  • 52 Days on Market
MLS#: 1680655

$990,000

Portland, ME

186 Washington Avenue

  • 0.09 Acres
  • 7,620 SqFt
  • 54 Days on Market
MLS#: 1681505

$925,000

Portland, ME

205 Woodford Street

  • 1900 Year Built
  • 0.16 Acres
  • 3,200 SqFt
  • 58 Days on Market
MLS#: 1681025

Portland ME Commercial Real Estate for Sale

Commercial properties for sale in Portland, Maine can include office space, retail buildings, and mixed-use opportunities in one of the state’s most active business hubs. Listings are often located across downtown Portland and surrounding commercial districts.

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Listing data is derived in whole or in part from the Maine IDX and is for consumers' personal, noncommercial use only. Dimensions are approximate and not guaranteed. All data should be independently verified. ©2026 Maine Real Estate Information System, Inc. All Rights Reserved. equal opportunity housing logo   Privacy Policy

Realty of Maine participates in ©2026 Maine Listings Internet Data Exchange program, allowing us to display other Maine IDX Participants' listings. This website does not display complete listings. Certain listings of other real estate brokerage firms have been excluded. Mortgage figures are estimates. Check with your bank or proposed mortgage company for actual interest rates. This product uses the FRED® API but is not endorsed or certified by the Federal Reserve Bank of St. Louis.