108 Langdon Ave Watertown — Photo 1 of 22
Recent Drop: $48,000
$949,000
108 Langdon Ave, Watertown, MA 02472
Watertown, MA 02472
Beds
4
Baths
1.5
SqFt
1,731
Style
Single Family
Built
1915
Welcome to this well-maintained Colonial offering 9 rooms, 4 bedrooms, and 1.5 baths in the heart of vibrant east Watertown. Filled w/ character and charm, this home features beautiful original details including stained-glass windows, a welcoming farmer’s porch, high ceilings, pocket door, and hardwood floors. The 1st floor offers an ideal layout w/ a spacious living room, and an open kitchen and dining area with peninsula. A bonus den or office is also on the 1st floor as well as the 1/2 bath. Upstairs are 4 generously sized corner bedrooms w/ hardwood and a full bath. A bonus room (5th bedroom or home office) is on the 3rd floor. Enjoy exceptional outdoor living w/ a relaxing front porch, rear deck, and beautifully landscaped yard w/ mature plantings and colorful gardens. Ample storage is available in the walk-out basement and in the attic. Conveniently located near public transportation, restaurants, Hosmer Elementary School, Arsenal Yards, Coolidge Square, Cambridge, and Boston.
Key facts
It was listed on June 9, 2026. The price has come down from an original $1,075,000 to $949,000 across 3 changes, most recently on September 29, 2026. The annual property taxes are $11,122 (2026 tax year). It sits on a 0.1-acre (4,500 sq ft) lot.
Open Houses
Market Value Analysis
* Analysis is based on 24 actively listed and recently sold comparable properties strictly within Watertown, MA.
Property Details
Financials
Parking
Interior Specifications
Climate & Utilities
Building & Exterior
Property & Lot
Amenities & Appliances
Gas Water Heater • Range • Dishwasher • Refrigerator • Washer • Dryer
Neighborhood
Public Transportation • Shopping • Park • Walk/Jog Trails • Golf • Medical Facility
Geography
Floorplan Breakdown
Structural Layout
Living Room
Lvl First14 x 16
Flooring - Hardwood
Dining Room
Lvl First9 x 12
Flooring - Laminate, Deck - Exterior, Open Floorplan
Kitchen
Lvl First8 x 11
Deck - Exterior, Open Floorplan, Peninsula
Office
Lvl Third11 x 12
Closet, Flooring - Wood
Family Room
Lvl First10 x 14
Closet/Cabinets - Custom Built, Flooring - Wall to Wall Carpet
Primary Bedroom
Lvl Second12 x 14
Closet, Flooring - Hardwood
Bedroom 2
Lvl Second9 x 10
Bedroom 3
Lvl Second8 x 11
Closet, Flooring - Hardwood
Bedroom 4
Lvl Second9 x 9
Closet
Bathroom 1
Lvl First3 x 5
Bathroom - Half
Bathroom 2
Lvl Second5 x 6
Bathroom - Full, Bathroom - With Tub & Shower
Property History
$949,000
Was $997,000
Sep 30, 2026
MLS® 73532861
$997,000
Was $1,050,000
Sep 18, 2026
MLS® 73532861
$1,050,000
Was $1,075,000
Sep 8, 2026
MLS® 73532861
$1,075,000
Jun 9, 2026
MLS® 73532861
Questions about this home
When was 108 Langdon Ave, Watertown listed?
108 Langdon Ave, Watertown was listed on June 9, 2026.
Has the price of 108 Langdon Ave, Watertown changed?
The price has come down from an original $1,075,000 to $949,000 across 3 changes, most recently on September 29, 2026.
What are the property taxes for 108 Langdon Ave, Watertown?
The annual property taxes for 108 Langdon Ave, Watertown are $11,122 (2026 tax year).
How big is the lot at 108 Langdon Ave, Watertown?
108 Langdon Ave, Watertown sits on a 0.1-acre (4,500 sq ft) lot.
What is the status of 108 Langdon Ave, Watertown?
108 Langdon Ave, Watertown is actively listed for sale.
Population
35,620
U.S. Census Bureau, ACS 2024 5-Year Estimates (B01003)
Median Household Income
$126K
U.S. Census Bureau, ACS 2024 5-Year Estimates (B19013)
Renter-Occupied Homes
52.3%
U.S. Census Bureau, ACS 2024 5-Year Estimates (B25003)
New Construction Permits — Middlesex County
2,698 housing units permitted in the last 12 months (+3% vs the prior 12 months) — 1,713 in 5+ unit buildings
U.S. Census Bureau, Building Permits Survey (through Jul '26)
ADU Potential
Massachusetts allows one accessory dwelling unit by right in single-family zoning districts statewide (M.G.L. c. 40A §3; 760 CMR 71.00, effective Feb 2025). Estimated maximum ADU size for this property: 866 sq ft (the lesser of 900 sq ft or half the 1,731 sq ft principal dwelling). Lot size: 4,500 sq ft.
Based on listing data, which indicates the property type — not the zoning district. Local dimensional, septic (Title 5), and historic-district requirements still apply. Not legal advice — verify with the municipality.
Listing Agent: Bob Airasian
Listing Office: Coldwell Banker Realty - Belmont
MLS® Number: 73532861
