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Triplex with Exterior Decks
For Sale
$924,900
Pending

12 Spencer St, Boston, MA 02124

Residential Income, Boston, MA

Property Size3,672 SF
Lot Size0.09 Acres
Days on Market305

Property Features for 12 Spencer St

General Information

Property type Residential Multi Family
Property subtype Other
Zoning R3
Bedrooms 6
Bathrooms 3
Full bathrooms 3
Rooms Bedroom 4, Bedroom 3, Bathroom 1, Bathroom 3, Bedroom 6, Bedroom 5, Bedroom 1, Bedroom 2, Bathroom 2
Directions Harvard Street to Spencer Street
Standard status Pending
APN W:17 P:00129 S:000,1297335
Size 3,672 SF
Lot size 0.09 Acres

Taxes and HOA fees

Tax Year 2025
Tax Annual Amount 9709

Building Details

Year built 1915
Floors in Building 3
Number of units 3
Listing Agency: Keller Williams Realty
Listed By: Scott Morris
Added: Oct 21, 2025 Changed: Aug 19 Last Checked: Aug 21 at 8:06AM
MLS# 73445841

Copyright © 2026 MLS Property Information Network Inc. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.

Investment Insights

Based on property information with market context.

This triplex at 12 Spencer St is listed as a three-family home mid-remodel. The property includes approximately 3,672 square feet and sits on a 0.0931-acre lot. Built in 1915, the layout is described as three large two-bedroom units. Each unit is described as having two exterior decks, plus heating and domestic hot water systems including 3 gas FHA heating systems and gas hot water tanks. Electrical updates are referenced with updated CB panels, with the main panel noted as not installed.

A walk-up fourth-floor attic is included and described as an additional space for potential expansion, storage, or creative use. The property is zoned R3.

The combination of three separate units, multiple exterior deck areas, and an accessible attic space may support a range of residential uses once the remodeling is completed.

Key Highlights

  • Approximately 3,672 SF triplex on a 0.0931‑acre lot
  • Built in 1915, zoned R3
  • Three units described as large two‑bedroom apartments

Property Analytics

Current Use

Triplexes

Suggested Use

Top Pick Law Firm Real Estate Agency Parking Lot & Garage Skin Care Clinic Acupuncture Building Supply

Score = modeled unmet demand for each use within ~1 mi (higher = bigger opportunity). Zoning and permitted uses should be independently verified with local authorities.

Lease Details

Multi-tenant
Tenancy

Location Intelligence

Trade Area within ½ mile

1,523
Businesses Nearby

Demographics for 02124, MA

50,972
Population
21,264
Households
2.4
Avg Household Size
36
Median Age
31%
College-Educated
85%
High-School Grad
3.0 sq mi
ZIP Area
16,991
Density / Sq Mi
$79,168
Median Household Income
$43,483
Median Earnings
$1,783
Median Rent
$607,200
Median Home Value

Market

Vacancy Rate% for Multifamily in Northeast region

4% 2022
4.6% 2023
5.3% 2024
5.6% 2025
Rey
Questions? Ask Rey
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Frequently Asked Questions

What type of property is this?
Triplex - Triplex under mid-remodel featuring three units with exterior decks, zoning R3, and multiple gas heating and hot water systems.
Where is this triplex located?
The property is located at 12 Spencer St Boston, MA.
What is the asking price?
The asking price for this property is $924,900.
What are key features of this property?
This property features: Approximately 3,672 SF triplex on a 0.0931‑acre lot; Built in 1915, zoned R3; Three units described as large two‑bedroom apartments
More about this property
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