Voucher Friendly - Housing Vouchers Welcome. No Fee, Contact Me For Specials. Spacious 3-bedroom, 1-bath apartment in Dorchester featuring hardwood floors, generous room sizes, and plenty of natural light. Enjoy an updated eat-in kitchen with granite countertops, ample cabinet space, and modern appliances, plus a large living area with beautiful original woodwork and classic character. Convenient layout with three well-sized bedrooms. Housing Choice Vouchers/Section 8 and other rental assistance programs are welcome. Equal Housing Opportunity.
Move-In Costs & Fees: Last Month Rent: $3,400. First Month Rent: $3,400. Application Fee: $35.
Disclaimer: We do not discriminate on the basis of age, race, color, sex, national origin, religion, disability, familial status (having children under the age of 18), military status, gender identity, sexual orientation, marital status, or receipt of public assistance including housing vouchers. Amenities: Deleaded & Hardwood Cabinets. Heating fuel: gas.
55 days on RentalSource
RentalSource last checked: 1 hour ago · Listing updated: October 29, 2026
This 4-bedroom, 1-bathroom apartment at 21 Castlegate Rd #3 in Dorchester, MA 02121 rents for $3,400 a month. It has 1,200 square feet and is pet friendly. 21 Castlegate Rd #3 was advertised by Gary Medina on September 5, 2026.
How the Rent Compares
At $3,400 a month, this apartment is below the typical rent for 4+ bedroom apartments and condos in Dorchester (about $3,800).
Typical $3,800This home $3,400
$3,140$4,830
From 47 apartments and condos with four or more bedrooms listed in Dorchester on RentalSource in October 2026: the scale holds eight in ten of them, and the shaded band the middle half.
$3,800Typical rent for 4+ bedroom apartments and condos in Dorchester
Move the slider to select the percentage of your monthly income you're comfortable spending on rent. Typically, it's advised to spend about 30% or less on housing.
Recommended income
$136,000 /year
With your chosen rent-to-income ratio, an annual income of $136,000 is recommended to comfortably afford this 4-bedroom rental priced at $3,400 per month.
