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Exceptional investment or owner-occupant opportunity! This well-maintained, long-term owner-occupied three-family home features three spacious units, each offering 5 rooms, 3 bedrooms, and 1 full bath. Every unit includes both front and rear decks, providing inviting outdoor living space, along with access to laundry and private storage in the full basement. The driveway offers valuable off-street parking, while the generously sized backyard provides additional outdoor space to enjoy. Ideally located just 0.6 miles from the Shawmut MBTA Red Line, this property provides convenient access to Route 93, downtown Boston, Quincy Center, and East Milton Square, making commuting a breeze. With strong rental appeal and a prime location, this is a rare opportunity to own a versatile multi-family property in one of Dorchester's most convenient neighborhoods.

Highlights

  • Residential Income
  • Triplex
  • Built in 1905
  • 0.07 Acre Lot
  • 134 days on Market

  • Bedrooms
    6
  • Bathrooms
    3
  • Year Built
    1905
  • Stories
    3.0
  • Foundation
    Other
  • Parking Features
    Paved, Off Street
  • Living Area
    3426.0
  • Appliances
    Refrigerator, Range
  • Flooring
    Tile, Wood
  • Patio And Porch
    Deck, Porch
  • Heating
    Zoned
  • Basement
    Full, Unfinished

  • Acres
    0.07
  • Water Front Features
    Ocean Front
  • Water
    Public


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Frequently Asked Questions

How do I schedule a tour of 21 Saint Marks Rd?

We can make that happen quickly. Click Tour This Home and we'll connect you directly with our vetted local partner to schedule your visit to 21 Saint Marks Rd.

They know residential incomes in the area well and can give you the guidance you need to buy with confidence.

How do I get more information about 21 Saint Marks Rd?

Click Ask a Question to talk with our team. You already know it is a 6 bed, 3 bath, listed for $1,275,000. We can talk through recent upgrades, potential seller motivation, how this triplex compares to others in Boston, and can even get you in to see the property quickly.

How much is the monthly mortgage payment for 21 Saint Marks Rd?

With a 20% down payment and a 30-year fixed loan at an illustrative 7.25% rate, the ez Mortgage Calculator estimates the monthly payment for 21 Saint Marks Rd at around $8,134. This includes estimated property taxes and insurance.

Want to see how this changes with different down payments or interest rates? Jump to the calculator to run the numbers and fine-tune your plan.

How do I get pre-approved to buy 21 Saint Marks Rd?

Stand out in a competitive market by getting pre-approved today. Our quick and private pre-approval process helps you understand your true buying power—no credit pull required to explore all of your options.

Or, let us connect you with our preferred local lender in Suffolk County. They will give you all of your available financing options, based on your specific situation and what is available to you.

Can I negotiate the asking price for 21 Saint Marks Rd?

In most cases, yes. Whether 21 Saint Marks Rd is priced competitively or not, your best offer depends on your personal situation, the seller's timeline, and recent activity in Boston's market. Our preferred local partner will help you craft a strategy—factoring in comparable properties that have sold, timing, and deal structure—to make a smart, strong offer. Click here to ask about negotiation opportunities.

How do I make an offer on 21 Saint Marks Rd?

We can handle that for you. Our preferred local agent specializes in residential incomes in Boston and can guide you through every step of the offer process.

You need an expert who is looking out for your best interests. From market valuation to contingencies and timing, they'll help you present a compelling offer that fits your goals. Click Ask a Question to get started today.

What is the price per square foot for this home?

This home is listed at $1,275,000 with 3,426 sqft of space—that comes out to approximately $372 per square foot.

How long has this property been on the market?

21 Saint Marks Rd was listed on July 01, 2026, which means it's been on the market for 134 days.

Want to keep tabs on it? Click the ♥ to favorite this home and get notified of price drops or changes.

When was this house built?

This home was built in 1905, making it approximately 121 years old.

What is the lot size of this property?

21 Saint Marks Rd sits on a 0.07-acre lot, which is 3,049 square feet.

What are the property taxes for 21 Saint Marks Rd?

The most recent public record shows annual property taxes for 21 Saint Marks Rd were approximately $10,545. This may change with reassessment or exemptions. Our local partner can verify current tax amounts and help you estimate future costs based on your situation.

Is 21 Saint Marks Rd still available for sale?

Yes, this home is still available! Click the ♥ to favorite it so you don't miss any changes—or ask our local expert to schedule a time to see it in person.

Source: ez Home Search, MLS Data

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Listing information provided exclusively for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information deemed reliable but not guaranteed by the MLS. The listing broker’s offer of compensation is made only to participants of the MLS where the listing is filed. Copyright 2026, MLS Property Information Network (MLS PIN). All rights reserved.

Last Updated: November 12, 2026 at 01:03AM | Source: MLS Property Information Network (MLS PIN) | MLS#: 73543627