21 Keith St # 2 Watertown, MA $ 1,249,000
21 Keith St # 2
$ 1,249,000
Open House 10/10 11am - 12:15pm
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21 Keith St # 2

Watertown, MA, 02472
$ 1,249,000
Bedrooms3 Baths3.1 Sq 2,136

Monthly Estimate*

$ 8,627

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Condo for sale in Watertown, MA

for $1,249,000 with 3 bedrooms and 3 full baths, 1 half bath. This 2,136 square foot condo was built in 2026 on a lot size of 0.14.

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.

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Open House

10/10/2026 11:00 AM - 12:15 PM
10/11/2026 11:00 AM - 12:15 PM
21 Keith St # 2 Watertown, MA
* Some states or local ordinances may prohibit Open Houses at this time, please confirm with your Weichert agent or local rep to confirm

Condo Active

Price

$ 1,249,000

Bedrooms

3

Full Bath

3

Half Bath

1

Property Type

Condo

Taxes

$ 7,268

Style

Townhouse

Lot Size

0.14

Year Built

2026

Town/City

Watertown

County/Region

Middlesex

MLS | Web ID

73579006

List By
Nathan Long

Listing Agent

Coldwell Banker Realty - Cambridge

Broker

Affordability Calculator

$9,232
Per Month
93%
7%
0%
Monthly Principal & Interest
$8,627
Monthly Property Taxes
$606
Monthly Home Insurance
--
Default based on a 30-year fixed rate of 7.375% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.
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Pricing History
DatePricePrice ChangeDescription
9/17/2026$1,249,000 Listed Price

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21 Keith St # 2, Watertown, MA, 02472 is a Condo for sale at $1,249,000 with 2,136 sqft and a lot size of 0.14. 21 Keith St # 2 has 3 bedrooms, 3.1 baths, and was built in 2026. The property's zip code is 02472 which is in Watertown, MA