18 St Marys St Unit 18
Watertown, MA 02472
- 4 beds
- 2 baths
- 1,795 sqft
- 5,227 sqft lot
- $427 per sqft
- 1925 build
- – on site
Located on a quiet street adjacent to Cambridge and Belmont is this beautiful 2nd floor condo with gorgeous hardwood floors, original woodwork around doors and windows that allow natural light through the oversized rooms, w attractive open floor plan. This unit has a grand living room, elegant dining room with stunning wood china cabinet as our anchor. Our kitchen is large enough to dine in, has loads of storage and food prep areas. Also on this level is a large family bath and 3 more bedrooms with the largest one having a balcony overlooking the backyard. Walk through your office to find walk up staircase to the primary bedroom large enough for a king bed, with 3/4 bath. This unit has appliances, heating, electrical and plumbing improvements to provide the conveniences of todays ease but details of yesteryears charm. Dreamy location with public trans options to Harvard Sq, access to paths on the Charles River, Brattle St, and Fresh Pond, Shops and Food galore bring urban to suburbia.
Last checked:
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Last updated Apr 16, 2025
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MLS# 73359912 —
Upcoming Open Houses
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Friday, 4/18
11:30am-1pm -
Saturday, 4/19
11:30am-1pm -
Saturday, 4/19
1:30pm-3pm -
Sunday, 4/20
1:30pm-3pm
The Building
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Year Built:1925
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Year Built Details:Approximate
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Year Built Effective:2025
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Year Built Source:Public Records
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Building Name:16-18 St Marys Condominiums
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Structure Type:2/3 Family
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Construction Materials:Frame
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Entry Level:2
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Entry Location:Unit Placement(Upper)
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Roof:Shingle
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Basement:Y
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Exterior Features:Patio
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Door Features:Storm Door(s)
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Window Features:Insulated Windows
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Patio And Porch Features:Patio
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Unit Number:18
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Stories Total:2
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Stories:2
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# of Units Total:2
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Building Area Total:1795
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Building Area Units:Square Feet
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Building Area Source:Measured
Interior
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Rooms Total:8
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Interior Features:Closet
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Living Room Level:Second
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Living Room Features:Ceiling Fan(s), Flooring - Hardwood, Window(s) - Bay/Bow/Box, Cable Hookup, Exterior Access, Open Floorplan
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Kitchen Level:Second
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Kitchen Features:Closet/Cabinets - Custom Built, Flooring - Hardwood, Window(s) - Picture, Dining Area, Exterior Access, Stainless Steel Appliances, Gas Stove, Lighting - Overhead, Beadboard
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Dining Room Level:Second
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Dining Room Features:Closet/Cabinets - Custom Built, Flooring - Hardwood, Lighting - Overhead
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Office Features:Closet, Flooring - Hardwood, Attic Access
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Flooring:Laminate
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Fireplace:true
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Fireplaces Total:1
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Fireplace Features:Living Room
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Laundry Features:Electric Dryer Hookup
Room Dimensions
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Living Area:1795
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Living Area Source:Measured
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Living Room Area:240.5
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Living Room Length:19.5
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Living Room Width:12.333333
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Kitchen Area:246.423611
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Kitchen Length:19.583333
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Kitchen Width:12.583333
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Dining Room Area:164.444444
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Dining Room Length:12.333333
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Dining Room Width:13.333333
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Office Area:182.430555
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Office Length:15.416666
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Office Width:11.833333
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Bedroom 2 Area:152.375
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Bedroom 3 Area:134.111111
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Bedroom 2 Length:13.25
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Bedroom 2 Width:11.5
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Bedroom 3 Length:11.833333
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Bedroom 3 Width:11.333333
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Bedroom 4 Area:250.729166
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Bedroom 4 Length:20.75
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Bedroom 4 Width:12.083333
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Master Bedroom Area:216.861111
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Master Bedroom Length:17.583333
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Master Bedroom Width:12.333333
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Bathroom 1 Area:47.5
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Bathroom 1 Length:7.916666
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Bathroom 1 Width:6
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Bathroom 2 Area:78.583333
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Bathroom 2 Length:10.25
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Bathroom 2 Width:7.666666
Location
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Directions:Off of Belmont Street or Mt Auburn Street
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Latitude:42.374399
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Longitude:-71.152875
The Property
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Property Type:Residential
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Property Subtype:Condominium
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Lot Size Units:Acres
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Lot Size Area:0.12
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Lot Size SqFt:5227
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Lot Size Acres:0.12
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Zoning:2-fam
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Exclusions:Personal Property Except For 2nd Floor Glass Door Closets In Back Bedrom - Those Shall Remain.
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Waterfront:false
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Farm Land Area Units:Square Feet
Listing Agent
- Contact info:
- Office phone:
- (617) 484-1900
Taxes
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Tax Year:2025
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Tax Lot:91
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Tax Block:13
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Tax Map Number:1607
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Tax Book Number:63936
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Tax Annual Amount:13774
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Tax Assessed Value:1179300
Beds
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Bedrooms Total:4
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Master Bedroom Level:Third
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Master Bedroom Features:Bathroom - 3/4, Closet, Flooring - Vinyl
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Bedroom 2 Level:Second
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Bedroom 2 Features:Closet, Flooring - Hardwood
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Bedroom 3 Level:Second
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Bedroom 3 Features:Ceiling Fan(s), Closet, Flooring - Hardwood
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Bedroom 4 Level:Second
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Bedroom 4 Features:Ceiling Fan(s), Closet, Flooring - Hardwood, Balcony / Deck, Exterior Access, Slider
Baths
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Total Baths:2
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Total Baths:2
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Full Baths:2
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Bathroom 1 Level:Second
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Bathroom 1 Features:Bathroom - Full, Bathroom - Tiled With Tub & Shower, Flooring - Stone/Ceramic Tile
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Bathroom 2 Level:Third
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Bathroom 2 Features:Bathroom - 3/4, Bathroom - Tiled With Shower Stall, Flooring - Stone/Ceramic Tile
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Master Bath Features:Yes
The Listing
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Home Warranty:false
Heating & Cooling
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Heating:Electric Baseboard
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Heating:true
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Cooling:Wall Unit(s)
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Cooling:true
Utilities
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Utilities:for Gas Range
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Electric:Circuit Breakers
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Sewer:Public Sewer
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Water Source:Public
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Green Energy Efficient:Thermostat
Appliances
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Appliances:Range
Schools
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High School:Watertown High
The Community
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Senior Community:false
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Community Features:Public Transportation
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Spa:false
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Association Fee:175
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Association Fee Includes:Insurance
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Association Fee Frequency:Monthly
Parking
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Garage:true
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Attached Garage:false
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Garage Spaces:1
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Carport:false
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Parking Total:1
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Parking Features:Detached
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Covered Spaces:1
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Open Parking:true
Monthly cost estimate

Asking price
$768,000
Expense | Monthly cost |
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Mortgage
This calculator is intended for planning and education purposes only. It relies on assumptions and information provided by you regarding your goals, expectations and financial situation, and should not be used as your sole source of information. The output of the tool is not a loan offer or solicitation, nor is it financial or legal advice. |
$4,112
|
Taxes | $1,147 |
Insurance | $211 |
HOA fees | $175 |
Utilities | $262 See report |
Total | $5,907/mo.* |
*This is an estimate |
Walk Score®
Provided by WalkScore® Inc.
Walk Score is the most well-known measure of walkability for any address. It is based on the distance to a variety of nearby services and pedestrian friendliness. Walk Scores range from 0 (Car-Dependent) to 100 (Walker’s Paradise).
Bike Score®
Provided by WalkScore® Inc.
Bike Score evaluates a location's bikeability. It is calculated by measuring bike infrastructure, hills, destinations and road connectivity, and the number of bike commuters. Bike Scores range from 0 (Somewhat Bikeable) to 100 (Biker’s Paradise).
Transit Score®
Provided by WalkScore® Inc.
Transit Score measures a location's access to public transit. It is based on nearby transit routes frequency, type of route (bus, rail, etc.), and distance to the nearest stop on the route. Transit Scores range from 0 (Minimal Transit) to 100 (Rider’s Paradise).
Soundscore™
Provided by HowLoud
Soundscore is an overall score that accounts for traffic, airport activity, and local sources. A Soundscore rating is a number between 50 (very loud) and 100 (very quiet).
Air Pollution Index
Provided by ClearlyEnergy
The air pollution index is calculated by county or urban area using the past three years data. The index ranks the county or urban area on a scale of 0 (best) - 100 (worst) across the United Sates.
Max Internet Speed
Provided by BroadbandNow®
This is the maximum advertised internet speed available for this home. Under 10 Mbps is in the slower range, and anything above 30 Mbps is considered fast. For heavier internet users, some plans allow for more than 100 Mbps.
Sale history
Date | Event | Source | Price | % Change |
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4/15/25
Apr 15, 2025
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Listed / Active | MLSPIN | $768,000 |

37% of nearby similar homes sold for over asking price
Similar homes that sold in bidding wars went $32k above asking price on average, but some went as high as $145k over asking price.