Active
16 Days on market
21 Keith St #2 Watertown — Photo 1 of 24

21 Keith St #2 Watertown — Photo 1 of 24

$1,249,000

21 Keith St #2, Watertown, MA 02472

Watertown, MA 02472 — Mount Auburn

Beds

3

Baths

3.5

SqFt

2,136

Style

Condominium

Built

2026

Experience modern living in this newly constructed townhouse located in the highly sought-after Mount Auburn/East Watertown neighborhood, just steps from the Cambridge line. Enjoy easy access to Harvard Sq., Arsenal Yards, &public transportation, w #73 bus to Harvard Sq. only moments away. Nestled on a quiet residential street, this three-level home offers a bright, open, & thoughtfully designed floor plan. The main level features a spacious open-concept kitchen, dining, and living area. The living room opens directly to a rear porch and private backyard. The upper level includes two luxurious primary suites, each w walk-in closets. The rear suite boasts a private balcony overlooking the backyard. A versatile bonus room & convenient laundry room complete this floor. The lower level provides additional living space with a generously sized bedroom, a full bathroom featuring vanities, and a comfortable family room.

Key facts

It was listed on September 17, 2026. The annual property taxes are $7,268 (2025 tax year). The condo fee is $1 per month.

Open Houses

Market Value Analysis

This Property
Size (SqFt) →Price →
This Property$585/sqft
Local Avg (Watertown)$532/sqft
10% AboveMarket Average

* Analysis is based on 24 actively listed and recently sold comparable properties strictly within Watertown, MA.

Property Details

Financials

Original Price$1,249,000
Annual Taxes$7,268
HOA Fee$1

Parking

Garage0
Off-Street3

Interior Specifications

Total Rooms8
FireplacesNone
FlooringVinyl, Hardwood, Flooring - Hardwood
BasementY

Climate & Utilities

HeatingCentral, Forced Air, Electric
CoolingCentral Air
WaterPublic
SewerPublic Sewer

Building & Exterior

ConstructionStone
RoofShingle
Foundation--
ZoningT

Property & Lot

Acres0.14
SqFt Lot6,098
Lot Features--

Amenities & Appliances

Dishwasher • Disposal • Microwave • Refrigerator • Freezer • Washer • Dryer

Neighborhood

Public Transportation • Shopping • Pool • Tennis Court(s) • Park • Walk/Jog Trails

Geography

Floorplan Breakdown

Structural Layout

Second
Primary BedroomBedroom 2
First
Living RoomDining RoomKitchenBathroom 1
Basement
Family RoomBedroom 3
Living Room
Lvl First

Flooring - Hardwood, Balcony - Exterior, Exterior Access, Open Floorplan, Recessed Lighting, Slider

Dining Room
Lvl First

Flooring - Hardwood, Recessed Lighting

Kitchen
Lvl First

Flooring - Hardwood, Countertops - Stone/Granite/Solid, Recessed Lighting, Peninsula

Family Room
Lvl Basement

Flooring - Vinyl, Recessed Lighting

Primary Bedroom
Lvl Second

Bathroom - Full, Walk-In Closet(s), Flooring - Hardwood, Balcony - Exterior, Recessed Lighting, Slider

Bedroom 2
Lvl Second
Bedroom 3
Lvl Basement

Closet, Flooring - Vinyl, Recessed Lighting

Bathroom 1
Lvl First

Questions about this home

When was 21 Keith St #2, Watertown listed?

21 Keith St #2, Watertown was listed on September 17, 2026.

Has the price of 21 Keith St #2, Watertown changed?

The price hasn't changed since it was listed at $1,249,000.

What are the property taxes for 21 Keith St #2, Watertown?

The annual property taxes for 21 Keith St #2, Watertown are $7,268 (2025 tax year).

What is the condo fee at 21 Keith St #2, Watertown?

The condo fee is $1 per month.

What is the status of 21 Keith St #2, Watertown?

21 Keith St #2, 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)

Listing Provided By

Listing Agent: Nathan Long

Listing Office: Coldwell Banker Realty - Cambridge

MLS® Number: 73579006