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209 Green St, Cambridge, MA, 02139

5beds
6baths
2,279sqft
$2,075,000
$910price/sqft
$12,330/moest. monthly cost
$493,200/yrincome needed

About This Home

A beautifully renovated (2016) brownstone two-family, offering 2 duplex units ideally located in the heart of Central Square, Cambridge. A rare opportunity to purchase two thoughtfully designed residences within the same building, these homes combine modern finishes with classic brownstone charm. Unit 1 features over 1,095 square feet with 3 bedrooms and 2.5 bathrooms across two levels and yard access.Including hardwood floors, recessed lighting, fireplace living room, eat-in kitchen with large island, granite countertops, stainless steel appliances, private backyard, and in-unit laundry. Unit 2 spans approximately 1,184 square feet with 2 bedrooms and 2.5 bathrooms, featuring cathedral ceilings, open-concept living, beautifully appointed kitchen, private deck, spacious primary suite, and in-unit laundry. Both homes include smart home video doorbell technology and are ideally located near Central Square, MIT, Harvard, the Charles River, Red Line T, restaurants, cafés, and shops.

Getting Around

99
WalkingWalker's Paradise
71
TransitExcellent Transit
99
BikeBiker's Paradise

Schools

9/10
The Amigos SchoolGrades PK-80.3 mi
6/10
Fletcher/Maynard AcademyGrades PK-50.4 mi

Construction

Condition

  • Year built: 1892

Materials

  • Foundation: Other
  • Roof: Rubber

Type & Style

  • Home type: MultiFamily
  • Property subType: Multi Family

Interior

Basement

  • Has basement: Yes
  • Basement: Finished

Bedrooms & Bathrooms

  • Bedrooms: 5
  • Bathrooms: 6
  • Full bathrooms: 4
  • 1/2 bathrooms: 2

Features

  • Number of fireplaces: 2
  • Fireplace: Yes
  • Finished area below ground: 500
  • Finished area above ground: 1,779

Interior Area

  • Total structure area: 2,279
  • Total interior livable area: 2,279 sqft

Property

Details

  • Parcel number: M:00093 L:00105,403821
  • Zoning: BB-CSQ

Lot

  • Lot size: 1,208 sqft
  • Features: Level

Parking

  • Parking features: On Street
  • Has uncovered spaces: Yes

Climate Risk is Financial Risk

Every home has a financial story beyond the listing price. Below, you’ll see the climate risks that could affect this property — and in Bills & Affordability, how those risks may influence repairs, insurance, utilities, and long-term value.

Biggest Threats for This Home

  • Tsunami
    TsunamiInsufficient Data

How This Home’s Risks Compare

Tsunami

FEMA Declared Disasters Across Massachusetts Counties

Hurricane

Understanding the Costs

Financial advisors generally recommend spending no more than 30% of your gross household income on housing costs. In practice, many households stretch to 35% or beyond — especially in high-cost markets.

Estimated Costs Today

MonthlyAnnual
Mortgage $10,492$125,904
Home Insurance *$310$3,720
Property Taxes $1,079$12,948
Electricity $449$5,392
Total$12,330$147,960
*Does not include cost of any FAIR Plan premiums

Income You'd Need if You Spent...

35% on housing$422,742/yr
40% on housing$369,900/yr
45% on housing$328,800/yr

Massachusetts FAIR Plan Programs

Massachusetts Property Insurance Underwriting Association

Covered
WildfireWildfire
HailHail
WindWind
Visit Website →
Current Policies
Residential: 213,928Commercial: 230
Total Premiums$400.85M
Total Exposure$115.57B

How Costs Could Change Over Time

Climate risk is quickly impacting all of the major home ownership costs. Adjust the growth rates and percentage of income spent on housing below to see how your housing costs could change over the next 10 years — and what income you'd need to keep up.

Insurance Growth Rate5-year average: 7.6%
7.6%
0%30.0%
Electricity Growth Rate10-year average: 7.9%
7.9%
0%15.0%
Property Taxes Growth Rate2-year average: 0.5%
0.5%
0%15.0%
Income Spent on Housing
30%
30%45%

Comparing Against the Market

Price Per Sq Ft

$910This listing

vs Other Active Listings

Avg $/sqft

ZIP 02139$613
Middlesex County$437

vs Homes Sold Last Month

Median $/sqft

ZIP 02139$809
Middlesex County$413

Current Market Trends

Median Price Per Square Foot

The median price per square foot of homes sold in this area each month. Compare this to this listing's price per square foot to gauge whether the home is priced in line with recent sales.

Historicals for This Listing

Zestimate History ($/sqft)

Price History

DateEventPrice
2026-07-16Price change$2,075,000
2026-06-01Price change$2,174,000
2026-05-13Listed for sale$2,250,000
2019-08-16Sold$3,740
2018-05-05Listing removed$5,900
2018-04-07Listed for rent$5,900
2016-08-11Sold$820,000
1997-03-04Sold$140,000

For Sale by Agent

AgentLisa Godwin
BrokerageGibson Sotheby's International Realty

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