55 Boothby Avenue, South Portland, ME 04106 (MLS # 1664293)

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PRICE $1,095,000 dsIDX morgage calculator
BEDS 3
BATHS 3
HOME SIZE 1,790 sqft
LOT SIZE 14,375 sqft

Designed and built with focus on versatility, energy efficiency, and enduring craftsmanship; this one-of-a-kind contemporary home offers thoughtfully designed single-level living on the main floor, with an ADU for income potential on the second. The building is oriented to maximize the efficiency of its 26 rooftop PV panels, while the thoughtful placement of fenestration maximizes privacy, views of Trout Brook, and protection from excessive solar gain under the extended eaves of the standing-seam steel roof. Environmental sustainability efforts extend throughout the house, including high-performance insulation in the double stud-wall construction, high quality low-maintenance finish materials, factory-finished high-end Marvin windows, and all-electric operation through the use of heat-pumps, EV car charger, heat-pump washer, dryer and water heater, and induction ranges. The ground floor offers single-level living space featuring 2 ensuite bedrooms, an oversized mudroom and an open-concept kitchen/living layout. A custom masonry heater serves as both a striking architectural centerpiece and an efficient supplemental heat source. Exceptional premium finishes include locally crafted white oak kitchen cabinetry, leathered-granite countertops, 7.5'' live-sawn white oak flooring, ceramic tiled bathrooms with custom vanities and radiant heated floors. The second floor ADU is a large studio with a gorgeous bathroom, full kitchen featuring soft-close cabinets and solid white oak countertops, and almost as much private outdoor living space as indoors, by way of two covered balconies and future green roof. The cellar, accessed only by the walkout man door or the glass-paneled OHD facing the ravine, is bright, and spacious enough for projects and storage. Located in the popular coastal City of South Portland and in walking distance to every amenity, this property reflects a rare blend of innovative design and energy-conscious living.

LAST UPDATED 5/28/2026 YEAR BUILT 2022
COUNTY Cumberland STATUS Active
PROPERTY TYPE(S) Single Family


ADDITIONAL DETAILS
AIR Heat Pump
AIR CONDITIONING Yes
APPLIANCES Dishwasher, Dryer, Refrigerator, Washer
BASEMENT Exterior Entry, Unfinished, Walk-Out Access, Yes
CONSTRUCTION Frame, Vertical Siding
FIREPLACE Yes
HEAT Electric, Heat Pump, Other, Wood
INTERIOR In-Law Floorplan, Master Downstairs
LOT 0.33 acre(s)
LOT DESCRIPTION Level, Open Lot, Rolling Slope, Wooded
LOT DIMENSIONS 0.33
MLS STATUS Active
PARKING Other, On Site
SEWER Public Sewer
STYLE Contemporary, Modern
TAXES 10262
UTILITIES Natural Gas Not Available
WATER Public
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TOTAL MONTHLY PAYMENT

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Listing provided by Keller Williams Realty

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.© 2026 Maine Real Estate Information System, Inc. All Rights Reserved.

Additional school data provided by Onboard Informatics © 2026 Onboard Informatics. Information deemed reliable but not guaranteed.

Mortgage Calculator provided by Diverse Solutions © 2026

IDX data provided by Market Leader, courtesy of Maine Listings.

This IDX solution is (c) Diverse Solutions 2026.


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