21 Castine Avenue, Portland, ME 04103 - Photo 1

1/1

$425,000

Sold
Closed
Single Family
3 Beds
1 Full Bath
1,735 Sq. Ft.
0.13 Acres
1 Car Garage

1/1

Property Description

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.

Full Property Details

Full Property Details for 21 Castine Ave

General

Sold For: $425,000
Taxes: $4,336 (2024)
Status: Closed
Type: Single Family
Source: MREIS
MLS ID: 1639706
Added to Site: 106 day(s) ago

Interior

Number of Rooms: 7
Interior Features: 1st Floor Bedroom, Bathtub, Shower, Storage
Appliances: Refrigerator, Microwave, Electric Range, Dishwasher
Flooring: Wood, Laminate, Carpet

Rooms

Bathrooms

Total Bathrooms: 1
Full Bathrooms: 1

Bedrooms

Total Bedrooms: 3

Other Rooms

Laundry: Washer Hookup

Exterior

Porch/Patio/Deck: Patio

Parking

Garage: Yes
Garage Spaces: 1
Parking Features: 1 - 4 Spaces, Paved, Detached

Location

County: Cumberland

Community

Pets Allowed: Yes

Heating & Cooling

Cooling Type: None
Heating Type: Zoned, Wood Stove, Hot Water, Baseboard

Utilities

Sewer: Public Sewer
Water: Public

Structural Information

Architectural Style: Cape Cod
Construction: Shingle Siding, Wood Frame
Roof: Pitched, Shingle
Building Size: 1735
Square Feet: 1,735
Sq. Ft. Source: Public Records
Living Area: 1,735 Sq. Ft.
Finished Total: 1,735 Sq. Ft.
Finished Above Grnd: 1,032 Sq. Ft.
Finished Below Grnd: 703 Sq. Ft.
Year Built: 1955

Lot Features

Property View: Trees/Woods
Lot Size (Acres): 0.13
Lot Size (Sq. Ft.): 5,662.8
Lot Size Source: Public Records
Zoning: Residential
Lot Description: Open, Level, Interior Lot, Near Shopping, Neighborhood, Near Public Transit
Fencing (Description): Fenced

Financial Considerations

Tax Amount: $4,336
Tax Year: 2024

Disclosures and Reports

Block: D
Lot Number: 19-23

Listed by The Maine Real Estate Group (207) 329-4534
Sold by F.O. Bailey Real Estate (207) 781-1111

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— 21 Castine Ave —

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207-329-4534

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Schools

Schools serving 21 Castine Ave

School District:Portland

Name	Grades	Distance
Gerald E Talbot Community School 1600 Forest Avenue, Portland, ME 04103	PK-5	0.3 mi
Lincoln Middle School, Portland, ME 522 Stevens Avenue, Portland, ME 04103	6-8	1.9 mi

Disclaimer: School attendance boundaries provided by Pitney Bowes and are for reference only. Contact the school directly to verify enrollment eligibility.

Price & Sales History for 21 Castine Ave

Date

Details

Price

Change

Source

12/08/2025

Sold

$425,000

-7.41%

MLS

10/11/2025

Price Reduced

$459,000

-4.38%

MLS

10/03/2025

Listed

$480,000

—

MLS

Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

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Price Reduced

-$6,000 (-2.45%)

$239,000

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Condo
Active
Updated 5 days ago

1
Bed
1
Total Bath
567
Sq. Ft.

Listed by Harborview Properties, Inc.

Just Listed

$245,000

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Condo
Active
Updated 5 days ago

1
Bed
1
Total Bath
570
Sq. Ft.

Listed by Regency Realty Group

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Just Listed

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Open House

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Single Family
Active
Updated 3 days ago

3
Beds
1
Total Bath
1,322
Sq. Ft.

Listed by Keller Williams Realty

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Just Listed

$450,000

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Single Family
Active
Updated 2 days ago

3
Beds
2
Total Baths
2,152
Sq. Ft.

Listed by Signature Homes Real Estate Group, LLC

Price Reduced

-$6,000 (-2.45%)

$239,000

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Condo
Active
Updated 5 days ago

1
Bed
1
Total Bath
567
Sq. Ft.

Listed by Harborview Properties, Inc.

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Single Family
Active
Updated 4 days ago

2
Beds
1
Total Bath
914
Sq. Ft.

Listed by F.O. Bailey Real Estate

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Price Reduced

-$100,000 (-5.28%)

$1,795,000

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Multi-Family
Active
Updated 3 days ago

2
Units
0.91
Acres

Listed by RE/MAX By The Bay

Price Reduced

-$100,000 (-5.28%)

$1,795,000

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Single Family
Active
Updated 3 days ago

5
Beds
4
Total Baths
3,462
Sq. Ft.

Listed by RE/MAX By The Bay

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Sold

$375,000

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Single Family
Closed

3
Beds
1
Total Bath
1,200
Sq. Ft.

Listed by Landing Real Estate
Sold by Maine Real Estate Experts

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Sold

$460,000

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Single Family
Closed

3
Beds
3
Total Baths
1,650
Sq. Ft.

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Sold

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Single Family
Closed

5
Beds
2
Total Baths
1,478
Sq. Ft.

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Sold

$450,000

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Single Family
Closed

2
Beds
1
Total Bath
1,272
Sq. Ft.

Listed by Locations Real Estate Group LLC
Sold by Keller Williams Realty

21 Castine Avenue, Portland, ME 04103 (MLS# 1639706) is a Single Family property that was sold at $425,000 on December 08, 2025. Want to learn more about 21 Castine Avenue? Do you have questions about finding other Single Family real estate for sale in Portland? You can browse all Portland real estate or contact a Coldwell Banker agent to request more information.

21 Castine Ave Portland, ME 04103