Condominium at 12 Saint Paul Street # 3, Cambridge MA 02139, Cambridge
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$999,999

12 Saint Paul Street # 3, Cambridge MA 02139
Cambridge, MA 02139
Listed by Justin H. Liu
Bedrooms
2
Bathrooms
2
Living area
1,273 sqft
Year built
1903

About this home

Sun-filled, 1,273 SF Penthouse Duplex with 2 Bedrooms, 2 Bathrooms, Parking space and a thoughtfully designed two-level layout in a prime Cambridge Central Square 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 1 car shared 2 car tandem 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. Open House Thursday October 8, 2026 from 5:30PM-6:30PM and Saturday October 10, 2026 from 1PM-2PM.

Highlights

Fireplace

Property details

MLS #
73572317
Property type
Condominium
Subdivision
N/A
Status
Active
Days on market
33
On market date
September 5, 2026
Stories
2
Total bathrooms
2
Garage spaces
N/A
Parking spaces
1
Lot size
N/A
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Nearby schools

Within 10 miles. School directory data from the National Center for Education Statistics (NCES), accessed via the Urban Institute Education Data API. Local Score is calculated by INNOVATE Real Estate; where a state rating is shown, it comes from that state's own official school report card (e.g. NC Dept. of Public Instruction, SC Report Card).

Elementary
Cambridgeport
0.32 mi away · Grades -1-5
Nearest school -- attendance-zone data not available here
5.0
Local Score (student-teacher ratio only (preliminary -- will incorporate state test-score data once available)) -- not an official state rating
Enrollment
252
Student:teacher ratio
9.3:1
District
Cambridge
Middle
Putnam Avenue Upper School
0.47 mi away · Grades 6-8
Nearest school -- attendance-zone data not available here
5.0
Local Score (student-teacher ratio only (preliminary -- will incorporate state test-score data once available)) -- not an official state rating
Enrollment
262
Student:teacher ratio
7.5:1
District
Cambridge
High
Cambridge Rindge and Latin
0.62 mi away · Grades 9-12
Nearest school -- attendance-zone data not available here
5.0
Local Score (student-teacher ratio only (preliminary -- will incorporate state test-score data once available)) -- not an official state rating
Enrollment
1,867
Student:teacher ratio
8.6:1
District
Cambridge

Walkability

Blended score for Cambridge's center, calculated by INNOVATE Real Estate from two sources: the EPA's National Walkability Index (street network, transit, land-use mix) and Google Places amenity data (what's actually reachable on foot from this point). 60% EPA National Walkability Index + 40% nearby-amenity density (Google Places).

95
Highly walkable
out of 100
EPA National Walkability Index
18.2 / 20 -- Most walkable
Google Places amenity density
100 / 100
Restaurants & cafes20
Grocery stores20
Parks20
Schools20
Transit stops20
Pharmacies15

Market position

How this listing compares to current activity in Cambridge, from live MLS data.

On the market 33 days -- 58 fewer days than Cambridge's current average of 91 days.
For reference, the median list price across 1,013 active listings in Cambridge right now is $7,950.

Mortgage calculator

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Est. monthly payment
$6,172/mo
$200,000 down
$799,999 loan
Principal & interest$5,189
Property tax (est.)$833
Home insurance (est.)$150

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Data source: Listing information provided by MLS Property Information Network via Trestle/CoreLogic. Last updated 3 days ago.

Information herein deemed reliable but not guaranteed; all measurements, school assignments, HOA fees, taxes, and feature lists are approximate and should be independently verified. Equal Housing Opportunity.