Perched on the third floor atop Observatory Hill, this bright 2 BD, 1 BA floor-through residence blends comfort and modern convenience in a prime location. Sweeping sunset views over Cambridge and Danehy Park are paired with a private tree-top deck, hardwood floors, efficient AC and in-unit laundry. The open layout flows from a corner living room with bay window and dual exposures into the dining area and expansive kitchen with breakfast bar and stainless appliances. Both of the spacious, south-facing bedrooms are bathed in natural light. Recent updates include 2024 mini-split systems, replacement windows, exterior insulation and refreshed 2026 bathroom. Basement storage and off-street parking add everyday ease. Ideally positioned between Harvard Sq, Porter Sq, Fresh Pond, and Huron Village, just moments from local favorites like Imagine and Formaggio Kitchen. Convenient access to bus lines and Red Line service offers easy connectivity across Cambridge and beyond.
Listed by Currier, Lane & Young
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Compass
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617-593-3166
Listed by Nick Schmalensee
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Compass
Last updated March 15, 2026
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Source: MLSPin #73485035
Listing Facts
TypeCondo
NeighborhoodNeighborhood Nine
Bedrooms2
Bathrooms1
Days on Prevu4
HOA/Maint. Fees$240/month
Taxes$1,388.99/year
Size908 sqft
Price per sqft$920
Amenities
Dishwasher
Private Outdoor Space
Washer/Dryer
Pets Allowed
Parking
Location
Mortgage Calculator
Listing History
03/11/2026
Listed by Compass
$835,000
Property Details for 20 Tierney Street 3
Association
Amenities
Community Features: Public Transportation, Shopping, Tennis Court(s), Park, Walk/Jog Trails, Golf, Medical Facility, Bike Path, Highway Access, House Of Worship, Private School, Public School, T-Station, University
Pets Allowed: Yes
Fees
Association Fee: $240.00 Monthly
Association Fee Includes: Water, Sewer, Insurance, Maintenance Grounds
Laundry Features: In Unit, Electric Dryer Hookup, Washer Hookup
Sewer: Public Sewer
Utilities: For Gas Range, For Electric Dryer, Washer Hookup
Water Source: Public
Frequently Asked Questions
How many bedrooms and bathrooms does this condo have?
There are 2 bedrooms and 1 bathroom in this condo at 20 Tierney Street 3.
Does this condo have parking?
Yes, there is 1 parking space available for 20 Tierney Street 3.
Are pets allowed at 20 Tierney Street?
Yes, 20 Tierney Street allows pets.
What are the annual taxes for 20 Tierney Street 3?
Annual taxes for this condo are estimated at $1,388.
How does 20 Tierney Street 3 compare to other condos in Neighborhood Nine?
This condo is listed 41% below the average price for condos in Neighborhood Nine and has been on the market for 29 less days than the typical home in this area.
What building or home owners association is the condo part of?
This condo is in the 20 Tierney Street Condominium building.
What is the square footage on this condo?
According to the MLS, this listing is 908 sqft.
20 Tierney Street 3 is a 2-bedroom, 1-bath condo for sale in Cambridge MA 02138. Listed on Prevu for 4 days at $835,000. This home features 908 square feet of living space, located in Neighborhood Nine. The median listing price for condos in this area is $1,549,000. Property amenities include private outdoor space, dishwasher, pets allowed, parking, and washer/dryer. View other condo listings in Cambridge.
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