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Updated Two-Family Duplex
For Sale
$1,250,000

20-22 Greenough Street, Newton, MA 02465

Well-maintained residential income property with porches, parking, and central A/C serving both units.

Property Size2,026 SF
Price / SF$616.98
Days on Market141

Property Features for 20-22 Greenough Street

General Information

Standard status Active
Size 2,026 SF
Total Parking Spaces 4
Property subtype Multi-family

Site & Location

Highway Access Yes
Public Transit Yes

Units

Unit Mix 2 x 2BR/1BA
Multifamily Units 2

Amenities

central A/C
front and rear porches
Trex decks
refrigerator
washer & dryer

Building Details

Year Built 1930
Buildings 1
Listing Agency: Hammond Residential Real Estate
Listed By: Michael Rothstein
Source: Hammondre
Added: Apr 12 Changed: Aug 30 Last Checked: Aug 30 at 2:18AM

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 Hammond Residential Real Estate

Investment Insights

Based on property information with market context.

This 2,026-square-foot duplex, built in 1930, contains two residential units with a consistent layout: each offers two bedrooms, one bathroom, central A/C, and updated mechanical systems. Front and rear porches extend the usable living space, while Trex decks with composite railings were added in 2022. Most replacement windows and the roof date to approximately 12 years ago, and both units have newer gas HVAC. Hardy Back siding, a newer refrigerator, and a newer washer and dryer are also included.

The property is located at 20-22 Greenough Street in West Newton, with off-street parking for 3-4 cars. Access to the Mass Pike, West Newton shops, restaurants, cinema, and commuter rail station is noted. The property is within the Peirce Elementary School district.

Key Highlights

  • Two‑unit duplex with two bedrooms and 1 bathroom in each unit
  • 2,026 SF residential property built in 1930
  • Central A/C and newer gas HVAC serving both units

Financial Insights

Estimated NOI and Cap Rate

NOI = area × lease_rate × (100 − vacancy) / 100 × (1 − expense_ratio). Net Operating Income — what the owner takes home each year before mortgage payments and income tax. Effective rent (asking rent minus vacancy losses) minus operating costs (taxes, insurance, maintenance, management).
NOI / Yr
$42,871
Cap rate = NOI / list price × 100. Capitalization rate — annual return on a fully cash purchase, before financing. NOI divided by price. Higher means more income per dollar invested, but usually also more risk or older condition. 5–8% is typical for stabilized commercial property; double digits often signal distressed deals.
Cap Rate
3.43%
Suggested Prices Based on Cap Rates Cap rates vary significantly by property type, market, and asset quality. Typical U.S. stable-market ranges: Multifamily — 4.5% to 6.5% (Class A in primary markets often sub-5%; Class C in secondary markets 6%+) Industrial / Logistics — 5.0% to 7.0% (compressed heavily in recent years due to e-commerce demand) Office — 6.5% to 9%+ (wide spread post-2020; CBD Class A vs. suburban Class B varies dramatically) Retail — 5.5% to 8.5% (grocery-anchored on the low end, unanchored strip centers higher) Hospitality / Hotels — 7.5% to 10%+ (higher due to operational risk) Self-Storage — 5.5% to 7.5% Medical Office — 6.0% to 7.5% Net Lease (single tenant, credit) — 5.0% to 7.0% depending on tenant credit and lease term Rules of thumb: Primary markets (NYC, SF, LA, Boston, DC) trade at lower cap rates than secondary/tertiary markets, often by 100–200 bps (bps, aka basis points; 1 bp = 0.01%). Class A assets trade ~50–150 bps tighter than Class B, and Class B tighter than Class C. Cap rates move inversely with price — a lower cap rate means a higher price for the same NOI. Spread to the 10-year Treasury is a common benchmark; historically 200–400 bps over the 10-year.
Cap Rate 5%
$857,420 $857.4K
Cap Rate 7%
$612,443 $612.4K
Cap Rate 9%
$476,344 $476.3K
Market Conditions
NOI Build-Up for 2,026 SF Vacancy — income lost from leasable area expected to sit empty during the year, subtracted from gross rent. EGI (Effective Gross Income) — gross rent minus vacancy losses, the realistic income before paying operating costs. OpEx (Operating Expenses) — recurring costs to operate the property (property tax, insurance, utilities, maintenance, management); excludes financing and capital improvements. NOI (Net Operating Income) — income a property generates after operating costs but before financing and taxes.
Gross rent
$64.4K $31.80/SF
− Vacancy
−$3.2K −$1.57/SF
EGI
$61.2K $30.23/SF
− OpEx
−$18.4K −$9.07/SF
NOI
$42.9K $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 rates vary significantly by property type, market, and asset quality. Typical U.S. stable-market ranges: Multifamily — 4.5% to 6.5% (Class A in primary markets often sub-5%; Class C in secondary markets 6%+) Industrial / Logistics — 5.0% to 7.0% (compressed heavily in recent years due to e-commerce demand) Office — 6.5% to 9%+ (wide spread post-2020; CBD Class A vs. suburban Class B varies dramatically) Retail — 5.5% to 8.5% (grocery-anchored on the low end, unanchored strip centers higher) Hospitality / Hotels — 7.5% to 10%+ (higher due to operational risk) Self-Storage — 5.5% to 7.5% Medical Office — 6.0% to 7.5% Net Lease (single tenant, credit) — 5.0% to 7.0% depending on tenant credit and lease term Rules of thumb: Primary markets (NYC, SF, LA, Boston, DC) trade at lower cap rates than secondary/tertiary markets, often by 100–200 bps (bps, aka basis points; 1 bp = 0.01%). Class A assets trade ~50–150 bps tighter than Class B, and Class B tighter than Class C. Cap rates move inversely with price — a lower cap rate means a higher price for the same NOI. Spread to the 10-year Treasury is a common benchmark; historically 200–400 bps over the 10-year.
Cap Rate 5%
$857,420
Cap Rate 7%
$612,443
Cap Rate 9%
$476,344

Alternative Uses

Best Use
Multifamily LT 5
$612.4K
$535.9K – $714.5K (±1% cap)
NOI $42,871 @ 7.0% cap · market cap 3.43%
Second Best
Apartment 5plus
$575.9K
$503.9K – $671.9K (±1% cap)
NOI $40,311 @ 7.0% cap · market cap 3.22%
Theoretical Best
Office A
$1.20M
$1.05M – $1.40M (±1% cap)
NOI $83,957 @ 7.0% cap · market cap 6.72%
Zoning and permitted uses should be independently verified with authorities.

Property Analytics

Current Use

Duplexes

Suggested Use

Top Pick Hair Salon Barber Shop (Bike/Boat/Book/etc) Store Furniture & Home Goods Nail Salon Restaurant

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

2
Residential units
Yes
Highway access

Location Intelligence

Trade Area within ½ mile

687
Businesses Nearby

Demographics for 02465, MA

12,415
Population
4,452
Households
2.8
Avg Household Size
42
Median Age
78%
College-Educated
97%
High-School Grad
2.2 sq mi
ZIP Area
5,643
Density / Sq Mi
$174,518
Median Household Income
$93,021
Median Earnings
$2,251
Median Rent
$1,098,600
Median Home Value

Market

Vacancy Rate% for Multifamily in Northeast region

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

What type of property is this?
Duplex - Well-maintained residential income property with porches, parking, and central A/C serving both units.
Where is this duplex located?
The property is located at 20-22 Greenough Street Newton, MA.
What is the asking price?
The asking price for this property is $1,250,000.
What are key features of this property?
This property features: Two‑unit duplex with two bedrooms and 1 bathroom in each unit; 2,026 SF residential property built in 1930; Central A/C and newer gas HVAC serving both units
More about this property
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