400 Marlborough St #9 Boston — Photo 1 of 13
$775,000
Investment Analysis — 400 Marlborough St #9
Boston, MA 02115 — Back Bay
Based on HUD Small Area Fair Market Rent for Boston-Cambridge-Quincy, MA-NH HUD Metro FMR Area, a 1-bedroom in 02115 carries an estimated $2,800/mo in gross rent — about a 1.35% cap rate and $10,495/yr in estimated NOI at the $775,000 list price. Adjust every assumption in the calculator below.
Beds
1
Baths
1
SqFt
520
Style
Condominium
Built
1870
In Back Bay, where parking is scarce, this beautiful one-bedroom home on iconic Marlborough Street comes with its own assigned tandem parking space. Perched on the sunny top floor, this south-facing unit offers a spacious, open layout that elegantly blends classic architectural detail with a renovated kitchen and bath. The large, open kitchen features cherry cabinetry, stainless steel appliances, a Sub-Zero under-counter refrigerator, a breakfast bar, and granite counter tops — ideal for cooking and entertaining. The spacious living room is filled with light and frames sweeping views of the Back Bay skyline and the Prudential Tower. Additional features include a walk-in bedroom closet, extra storage, high ceilings, hardwood floors throughout, and common laundry. Just steps from the shops and restaurants of Newbury Street, the Charles River Esplanade, and Back Bay's public transportation. This address scores a 98 Walk Score (Walker's Paradise), 99 Transit Score (Rider's Paradise), and 88 Bike Score (Very Bikeable) for daily errands, commuting, making city life effortless!
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 MLS and other third-party data may be inaccurate or out of date.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.
Immersive Experience
Property Details
Financials
Parking
Interior Specifications
Climate & Utilities
Building & Exterior
Property & Lot
Neighborhood
Public Transportation • Shopping • Park • Walk/Jog Trails • Medical Facility • Bike Path
Geography
Property History
$775,000
Sep 22, 2026
MLS® 73580835
$3,100
Jun 27, 2025
MLS® 73392219
$3,100
Jun 17, 2025
MLS® 73392219
$3,100
Nov 1, 2024
MLS® 73294963
$3,100
Sep 25, 2024
MLS® 73294963
Listing Agent: Lina Kriva Homes International Group
Listing Office: Keller Williams Realty Boston-Metro | Back Bay
MLS® Number: 73580835
