
12 Saint Paul Street #3 Cambridge — Photo 1 of 23
$1,100,000
Investment Analysis — 12 Saint Paul Street #3
Cambridge, MA 02139
Based on HUD Small Area Fair Market Rent for Boston-Cambridge-Quincy, MA-NH HUD Metro FMR Area, a 2-bedroom in 02139 carries an estimated $4,000/mo in gross rent — about a 2.25% cap rate and $24,697/yr in estimated NOI at the $1,100,000 list price. Adjust every assumption in the calculator below.
Beds
2
Baths
2
SqFt
1,273
Style
Condominium
Built
1903
Sun-filled, beautifully renovated penthouse offering 2 bedrooms, 2 bathrooms, and a thoughtfully designed two-level layout in a prime Cambridge location. Skylights, abundant windows, warm natural woodwork, and custom window treatments create an inviting, light-filled home, while the efficient floor plan provides an ideal balance of open gathering space and private bedroom suites. The main living area features an open-concept living room, dining area, and elegant eat-in kitchen, complete with cherry cabinetry, granite countertops, and stainless-steel appliances. Both bedrooms are well-positioned on opposite sides of the living space, offering excellent privacy and flexibility for guests, family, or a home office. Additional conveniences include central air conditioning, in-unit laundry, three closets with custom built-ins, and dedicated basement storage. Tucked away on a quiet private way with parking, this exceptional home is just walking distance to MIT, Whole Foods, H Mart, Central Square’s restaurants, cafés, shops, and entertainment, as well as the Central Station MBTA Red Line. First Showings Open House Sunday September 13, 2026 from 1PM - 2PM
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 MLS and other third-party data may be inaccurate or out of date.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.
Open Houses
Property Details
Financials
Parking
Interior Specifications
Climate & Utilities
Building & Exterior
Property & Lot
Amenities & Appliances
Range • Dishwasher • Disposal • Microwave • Refrigerator • Washer • Dryer • ENERGY STAR Qualified Refrigerator • ENERGY STAR Qualified Dryer • ENERGY STAR Qualified Dishwasher • ENERGY STAR Qualified Washer
Neighborhood
Public Transportation • Shopping • Park • Walk/Jog Trails • Golf • Medical Facility
Geography
Floorplan Breakdown
Structural Layout
Living Room
Lvl Third14 x 19
Beamed Ceilings, Closet/Cabinets - Custom Built, Flooring - Hardwood, Cable Hookup, Open Floorplan, Recessed Lighting, Lighting - Overhead
Kitchen
Lvl Third11 x 14
Closet, Flooring - Hardwood, Dining Area, Countertops - Stone/Granite/Solid, Breakfast Bar / Nook, Cabinets - Upgraded, Exterior Access, Recessed Lighting, Remodeled, Stainless Steel Appliances, Gas Stove
Family Room
Lvl Fourth Floor13 x 22
Skylight, Closet, Flooring - Hardwood, Cable Hookup, Open Floorplan, Lighting - Overhead, Window Seat
Primary Bedroom
Lvl Third12 x 13
Bathroom - Full, Walk-In Closet(s), Closet, Closet/Cabinets - Custom Built, Flooring - Hardwood, French Doors, Cable Hookup, Lighting - Overhead
Bedroom 2
Lvl Third8 x 9
Bathroom 1
Lvl Third8 x 9
Bathroom - Full, Bathroom - Tiled With Tub & Shower, Skylight, Closet/Cabinets - Custom Built, Flooring - Stone/Ceramic Tile, French Doors, Cabinets - Upgraded, Recessed Lighting, Lighting - Sconce
Bathroom 2
Lvl Third7 x 8
Bathroom - Full, Bathroom - Tiled With Tub & Shower, Flooring - Stone/Ceramic Tile, Countertops - Stone/Granite/Solid, Cabinets - Upgraded, Lighting - Sconce
Listing Agent: Justin H. Liu
Listing Office: Centre Realty Group
MLS® Number: 73572317