Four-Level Duplex with Garden
12 Auburn Street, Boston, MA 02129
For Sale
New
$2,199,000
A separate garden-level residence has its own entrance and can serve as a one-bedroom rental or guest accommodation.
Property Size3,360 SF
Price / SF$654.46
Days on Market5
Property Features for 12 Auburn Street
General Information
Standard status
Size
Total Parking Spaces
Property subtype
Zoning
Site & Location
Neighborhood
Highway Access
Additional Details
Multifamily Units
Taxes and HOA fees
Annual Taxes
Amenities
updated kitchen
soaring ceilings
intricate millwork
hardwood floors
oversized windows
fireplaces
deck
patio
Building Details
Building Size
Year Built
Buildings
Stories
Units
Construction
Listing Agency:
Coldwell Banker Realty - Boston
(617) 242-0025
Listed By:
Tracy Shea
(617) 697-4570
Source:
Isosrealty
Added: Nov 10
Changed: Nov 11
Last Checked: Nov 13 at 12:03AM
Displayed information is deemed reliable but is not guaranteed and should be independently verified. All listing content including descriptions, pricing, images are the copyrighted material of Coldwell Banker Realty - Boston
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Investment Insights
Based on property information with market context.
This 1880 brownstone contains approximately 3,360 square feet over four levels. The main and upper floors are arranged as a single-family residence, with living and dining rooms, an updated kitchen, hardwood flooring, detailed millwork, high ceilings, oversized windows and four fireplaces. The primary suite includes custom built-ins, an en-suite bath with dual vanities, a soaking tub and a glass-enclosed shower. A private deck and patio provide outdoor space, and the top floor could be reconfigured to create two bedrooms.
A one-bedroom apartment occupies the garden level and has a private entrance. A deeded heated garage space is available separately for purchase, and two additional parking spaces may be rented. The property is near Main Street in Charlestown, with access to Downtown Boston, the waterfront and major highways.
A one-bedroom apartment occupies the garden level and has a private entrance. A deeded heated garage space is available separately for purchase, and two additional parking spaces may be rented. The property is near Main Street in Charlestown, with access to Downtown Boston, the waterfront and major highways.
Key Highlights
- 1880 brownstone with approximately 3,360 square feet across four levels
- Garden‑level one‑bedroom apartment with a private entrance
- Main and upper floors configured as a single‑family residence
Financial Insights
Estimated NOI and Cap Rate
NOI / Yr
$84,905
Cap Rate
3.86%
Suggested Prices Based on Cap Rates
Cap Rate 5%
$1,698,100
$1.7M
Cap Rate 7%
$1,212,929
$1.2M
Cap Rate 9%
$943,389
$943.4K
Market Conditions
NOI Build-Up for 3,360 SF
Gross rent
$127.0K $37.80/SF
− Vacancy
−$5.7K −$1.70/SF
EGI
$121.3K $36.10/SF
− OpEx
−$36.4K −$10.83/SF
NOI
$84.9K $25.27/SF
Area
Boston, MA
Vacancy
4.50%
Lease Rate
$37.80 /SF/Yr
Expense Ratio
30.00%
Simulate Cap Rate and NOI
Suggested Prices Based on Cap Rates
Cap Rate 5%
$1,698,100
Cap Rate 7%
$1,212,929
Cap Rate 9%
$943,389
Alternative Uses
Best Use
Multifamily LT 5
$1.21M
$1.06M – $1.42M
NOI $84,905 @ 7.0% cap · market cap 3.86%
Second Best
Apartment 5plus
$1.13M
$986.7K – $1.32M
NOI $78,933 @ 7.0% cap · market cap 3.59%
Theoretical Best
Office A
$2.52M
$2.20M – $2.94M
NOI $176,118 @ 7.0% cap · market cap 8.01%
Zoning and permitted uses should be independently verified with authorities.
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Lease Details
2
Residential units
Yes
Highway access
Location Intelligence
Trade Area within ½ mile
1,816
Businesses Nearby
Explore this area
Business Placement
Demographics for 02129, MA
19,120
Population
9,987
Households
1.9
Avg Household Size
36
Median Age
71%
College-Educated
94%
High-School Grad
1.4 sq mi
ZIP Area
13,657
Density / Sq Mi
$157,192
Median Household Income
$101,310
Median Earnings
$2,258
Median Rent
$926,000
Median Home Value
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Market
Average Price Trend$/SF for Duplexes in Boston, MA
Properties on Market for Duplexes in Boston
Vacancy Rate% for Multifamily in Northeast region
Frequently Asked Questions
What type of property is this?
Duplex - A separate garden-level residence has its own entrance and can serve as a one-bedroom rental or guest accommodation.
Where is this duplex located?
The property is located at 12 Auburn Street Boston, MA.
What is the asking price?
The asking price for this property is $2,199,000.
What are key features of this property?
This property features: 1880 brownstone with approximately 3,360 square feet across four levels; Garden‑level one‑bedroom apartment with a private entrance; Main and upper floors configured as a single‑family residence
