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HomepageAnne Erwin Sotheby's International Realty
$459,000
3bed
1bath
1,735 sfsquare feet
0.13acacres
21 Castine Avenue Portland
Listing Courtesy of The Maine Real Estate Group
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21 Castine Avenue, Portland, ME 04103

Charming 3-bedroom Cape in a convenient Portland location! Sun-filled rooms highlight gleaming hardwood floors throughout, with a desirable first-floor bedroom option. The finished basement offers flexible space for a family room, office, or guest area. Enjoy a shaded backyard perfect for relaxing or entertaining, plus a one-car garage for added storage and convenience. Close to shopping, dining, and easy access to Westbrook.
Listing Courtesy of The Maine Real Estate Group

DETAILS

  • Listing Id
    1639706
  • Status
    Active
  • Type
    Residential
  • Seasonal
    No
  • Map / Lot
    309 / 19-23
  • Book / Page
    31551 / 170
  • Sq Ft Finished Above Grade
    1032
  • Sq Ft Finished Below Grade
    703
  • Sq Ft Finished Total
    1735
  • Total Baths
    1 / 0
  • Waste Water Disposal
    Public Sewer
  • Water
    Public
  • Heat System
    Baseboard, Hot Water, Wood Stove, Zoned
  • Cooling
    None
  • Electric
    Circuit Breakers
  • Basement
    Bulkhead, Finished, Full, Interior, Partial, Sump Pump
  • Roof
    Pitched, Shingle
  • Floors
    Carpet, Laminate, Wood
  • Garage
    No
  • Lot Features
    Interior Lot, Level, Near Public Transit, Near Shopping, Neighborhood, Open
  • Parking Features
    1 - 4 Spaces, Detached, Paved
  • Interior Features
    1st Floor Bedroom, Bathtub, Shower, Storage
  • Laundry Features
    Washer Hookup
  • Style
    Cape Cod
  • Water View
    No
  • View
    Trees/Woods
  • Checked For Updates
    Tuesday, October 14, 2025 at 3:02 PM
  • IDX Listing Updated
    Saturday, October 11, 2025 at 11:44 PM
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Listing data is derived in whole or in part from the Maine IDX & is for consumers' personal, non commercial use only. Dimensions are approximate and not guaranteed. All data should be independently verified. ©2025 Maine Real Estate Information System, Inc. All Rights Reserved. equal opportunity housing logoPrivacy Policy
Anne Erwin Sotheby's International Realty participates in MREIS' Maine Internet Data Exchange (Maine IDX) 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.
HomepageAnne Erwin Sotheby's International Realty

YORK
31 Long Sands Road 
York, Maine 03909
Phone: 207.363.6640

OGUNQUIT
19 Beach Street, 
PO BOX 1188
Ogunquit, Maine 03907
Phone: 207.646.8802

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