153 Brattle St Cambridge — Photo 1 of 34
Recent Drop: $1,900,000
$13,900,000
Investment Analysis — 153 Brattle St
Cambridge, MA 02138 — West Cambridge
Based on HUD Small Area Fair Market Rent for Boston-Cambridge-Quincy, MA-NH HUD Metro FMR Area, a 7-bedroom in 02138 carries an estimated $5,600/mo in gross rent — about a -0.41% cap rate and $-56,662/yr in estimated NOI at the $13,900,000 list price. Adjust every assumption in the calculator below.
Beds
7
Baths
6.5
SqFt
9,473
Style
Single Family
Built
1803
Situated between Appleton St & Riedesel Ave, this grand & prominent center entrance 7+ bed, 6.5 bath home was originally built in c.1803 has been painstakingly restored, elegantly modernized and expertly crafted for modern living. Ideally sited on a maturely landscaped 22,500+ sq ft lot, this gracious home rests behind an elegant white fence with antique walkways and restored balustrade. Welcomed onto the formal foyer by a graceful staircase, hardwood floors, restored period details and abundant natural light throughout. A large living room offers a fireplace, custom built-ins, and large winnows that overlook the front and side yards. A well placed banquet sized formal dining room offers a butlers door into the kitchen and a fireplace of its own. A sparkling eat in kitchen is complete with top-of-the-line appliances, large center island, two pantries, & a mudroom. Exquisitely finished lower level with 2 level wine storage, gym, media room, steam shower, & sauna! Oversized 1 Car Garage
ADU Potential
Massachusetts allows one accessory dwelling unit by right in single-family zoning districts statewide (M.G.L. c. 40A §3; 760 CMR 71.00, effective Feb 2025). Estimated maximum ADU size for this property: 900 sq ft (the lesser of 900 sq ft or half the 9,473 sq ft principal dwelling). Lot size: 22,505 sq ft.
Based on listing data, which indicates the property type — not the zoning district. Local dimensional, septic (Title 5), and historic-district requirements still apply. Not legal advice — verify with the municipality.
Estimates — not financial advice
These figures are illustrative estimates for informational purposes only — not an appraisal, valuation, or guarantee of rent, income, or returns, and not financial, tax, or investment advice. Rent is either the figure reported on the MLS listing — in-place rent that may differ from market and is not verified against the actual leases — or, where the listing reports none, an estimate from HUD Small Area Fair Market Rents, a government benchmark that may differ from actual market rent. Each figure is labelled with its source. Cap rate, NOI, and returns depend on the assumptions shown, which you can change. MLS and other third-party data may be inaccurate or out of date. Verify all figures independently and consult your own financial, tax, and legal advisors before making any investment decision.
Property Details
Financials
Parking
Interior Specifications
Climate & Utilities
Building & Exterior
Property & Lot
Neighborhood
Public Transportation • Shopping • Tennis Court(s) • Park • Walk/Jog Trails • Bike Path
Geography
Property History
$13,900,000
Was $15,800,000
Mar 6, 2026
MLS® 73444242
$15,800,000
Oct 15, 2025
MLS® 73444242
Listing Agent: Michael Harper
Listing Office: MGS Group Real Estate LTD
MLS® Number: 73444242
