Nearby public school · not assigned
Mason Elementary School
Grades PK · K · 1 · 2 · 3 · 4 · 5
Straight-line distance 0.61 km
Progress toward targets 77%
FOR SALE · MLS #73592848
20 W Cottage St
Boston, MA 02125
LOCATION
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Between Brook Ave and Dudley Street
Historic brownstone in Dorchester featuring 4 bedrooms and 3.5 baths across three levels, PLUS a legal 1-bedroom, 1-bath garden-level apartment with a reliable long-term tenant paying $2,377/month (direct deposit). A tasteful blend of old-world charm and modern amenities, with all the comforts of a recently renovated home. Beautifully refinished hardwood floors, marble tile, custom built-ins, five 18th-century marble fireplaces, and custom stained-glass transoms and high-end design add character throughout. The open-concept living, dining, and kitchen areas make entertaining a breeze. The chef's kitchen features stainless steel appliances, quartz countertops, a gas range, wine fridge/bar, abundant storage, and an adjacent newly added first-floor half bath. The second floor offers two spacious bedrooms and a beautifully renovated bathroom with a tub and rain shower. The third-floor primary suite boasts three built-in dressers, two walk-in closets, and a luxurious private bath. The fourth bedroom includes a new washer and dryer and an updated full bath. Enjoy a huge, partially covered deck overlooking a private, low-maintenance turf yard with landscaping and a new wood privacy fence. Extensive renovations in 2025 included updated systems, central air, a new boiler, updated electrical, tankless hot water heaters, and more! Just four blocks from the Upham's Corner T station (10 minutes to South Station) + parking available. Nothing left to do but move in! Note: Maps and Street View haven’t caught up with the beautiful improvements to the block. Come see the transformation in and around 20 W Cottage for yourself!
Listed by Darin Thompson · Stuart St James, Inc.
MLS PIN #73592848 · Updated 10/31/2026, 8:20:00 AM ET
| Year | Property tax | Assessed value |
|---|---|---|
| 2025 | $11,104 | $958,874 |
These records are supplied by the current listing. Assessed value is not market value; confirm taxes with the local assessor.
Estimate principal and interest using the asking price and your loan assumptions.
Results include principal and interest, plus property tax and HOA when MLS lists them; home and mortgage insurance and utilities are excluded. Tax uses the amount in this listing; a buyer’s actual tax may differ with reassessment or residential exemptions. The rate is your assumption, not a current market quote or loan offer.
SCHOOLS & EDUCATION
School names, grades and state-reported measures are listed below.
This listing does not name individual schools. Public school information below is context, not an attendance assignment for this address.
Sorted by straight-line distance within the city. These are not attendance boundaries or a guarantee of enrollment.
Nearby public school · not assigned
Grades PK · K · 1 · 2 · 3 · 4 · 5
Straight-line distance 0.61 km
Progress toward targets 77%
Nearby public school · not assigned
Grades PK · K · 1
Straight-line distance 0.78 km
DESE does not report a percentile for this school.
Nearby public school · not assigned
Grades 7 · 8 · 9 · 10 · 11 · 12
Straight-line distance 0.87 km
Progress toward targets 42%
Nearby public school · not assigned
Grades 7 · 8 · 9 · 10 · 11 · 12
Straight-line distance 1.06 km
Progress toward targets 51%
Nearby public school · not assigned
Grades 3 · 4 · 5 · 6 · 7 · 8
Straight-line distance 1.07 km
Progress toward targets 53%
Nearby public school · not assigned
Grades PK · K · 1 · 2 · 3 · 4 · 5 · 6
Straight-line distance 1.09 km
Progress toward targets 56%
DESE accountability percentiles (1–99) compare schools administering similar assessments, using up to two years of indicators. These are not test scores out of 100 or GreatSchools 1–10 ratings. Progress toward targets is a separate state measure. Consider programs, support services and your child’s needs as well.
School names link to available school or district websites.
Listings updated