Duplex with Legal Accessory
New
For Sale
$1,575,000
210 Summer St, Arlington, MA 02474
A self-contained lower-level dwelling adds independent living space, private entrances, and dedicated laundry hookups.
Property Size2,858 SF
Days on Market3
Property Features for 210 Summer St
General Information
Standard status
Active
Size
2,858 SF
Property subtype
Investment
Units
Unit Mix
1 x 4BR, 1 x 2BR/1BA
Multifamily Units
2
Additional Details
Public Transit
Yes
Taxes and HOA fees
Annual Taxes
$8,107
Amenities
fireplace
Tesla EV charger
in-unit laundry hookups
fenced yard
landscaped yard
Building Details
Building Size
2,858 SF
Year Built
2026
Stories
3
Units
2
Listed By:
Michael Davis · License #449544664
(617) 233-4485
Source:
Elliman
Added: Oct 4
Last Checked: Oct 5 at 6:44PM
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 Michael Davis
Investment Insights
Based on property information with market context.
Built in 2026, this duplex pairs a two-story main residence with a legal accessory dwelling unit on the lower level. The main home has four bedrooms, oak flooring, an open living area with a fireplace, and a kitchen with quartz waterfall counters, custom cabinetry, and a farmhouse sink. A bay dining area adds a distinct space for meals.
The accessory unit includes two bedrooms, one bathroom, an open kitchen and living area, two private entrances, and laundry hookups. Outside, the fenced yard has professional landscaping and a stone retaining wall. The paved driveway accommodates 4+ private parking spaces and includes a Tesla EV charger.
The accessory unit includes two bedrooms, one bathroom, an open kitchen and living area, two private entrances, and laundry hookups. Outside, the fenced yard has professional landscaping and a stone retaining wall. The paved driveway accommodates 4+ private parking spaces and includes a Tesla EV charger.
Key Highlights
- Legal lower‑level ADU with 2 bedrooms, 1 bath, and 2 private entrances
- Main residence includes 4 bedrooms across the first and second floors
- Built in 2026
Financial Insights
Estimated NOI and Cap Rate
NOI / Yr
$60,476
Cap Rate
3.84%
Suggested Prices Based on Cap Rates
Cap Rate 5%
$1,209,520
$1.2M
Cap Rate 7%
$863,943
$863.9K
Cap Rate 9%
$671,956
$672.0K
Market Conditions
NOI Build-Up for 2,858 SF
Gross rent
$90.9K $31.80/SF
− Vacancy
−$4.5K −$1.57/SF
EGI
$86.4K $30.23/SF
− OpEx
−$25.9K −$9.07/SF
NOI
$60.5K $21.16/SF
Area
Middlesex County, MA
Vacancy
4.94%
Lease Rate
$31.80 /SF/Yr
Expense Ratio
30.00%
Simulate Cap Rate and NOI
Suggested Prices Based on Cap Rates
Cap Rate 5%
$1,209,520
Cap Rate 7%
$863,943
Cap Rate 9%
$671,956
Alternative Uses
Best Use
Multifamily LT 5
$863.9K
$756.0K – $1.01M
NOI $60,476 @ 7.0% cap · market cap 3.84%
Second Best
Apartment 5plus
$812.4K
$710.8K – $947.8K
NOI $56,865 @ 7.0% cap · market cap 3.61%
Theoretical Best
Office A
$1.69M
$1.48M – $1.97M
NOI $118,435 @ 7.0% cap · market cap 7.52%
Zoning and permitted uses should be independently verified with authorities.
Property Analytics
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Current Use
Lease Details
2
Residential units
Location Intelligence
Trade Area within ½ mile
1,199
Businesses Nearby
Explore this area
Business Placement
Demographics for 02474, MA
28,551
Population
12,541
Households
2.3
Avg Household Size
40
Median Age
74%
College-Educated
98%
High-School Grad
3.1 sq mi
ZIP Area
9,210
Density / Sq Mi
$139,199
Median Household Income
$80,498
Median Earnings
$2,157
Median Rent
$887,000
Median Home Value
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Cap Rate, Value Estimation, Potential NOI and more
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Market
Vacancy Rate% for Multifamily in Northeast region
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Frequently Asked Questions
What type of property is this?
Duplex - A self-contained lower-level dwelling adds independent living space, private entrances, and dedicated laundry hookups.
Where is this duplex located?
The property is located at 210 Summer St Arlington, MA.
What is the asking price?
The asking price for this property is $1,575,000.
What are key features of this property?
This property features: Legal lower‑level ADU with 2 bedrooms, 1 bath, and 2 private entrances; Main residence includes 4 bedrooms across the first and second floors; Built in 2026
