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21 Keith St 2Watertown, MA 02472

For Sale

$1,249,000

Smart Buyer Rebate $6,245

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.

Listed by Nathan Long

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Coldwell Banker Realty - Cambridge

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6178215889

Last updated September 29, 2026

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Source: MLSPin #73579006

Listing Facts

  • TypeCondo
  • NeighborhoodEast Watertown
  • Bedrooms3
  • Bathrooms4
  • Days on Prevu44
  • Taxes$7,268/year
  • Size2,136 sqft
  • Price per sqft$585

Amenities

  • Dishwasher
  • Washer/Dryer
  • Pets Allowed
  • Air Conditioning
  • Parking
  • Swimming Pool

Location

Mortgage Calculator

Listing History

09/17/2026
Listed by Coldwell Banker Realty - Cambridge
$1,249,000
  1. 09/17/2026$1,249,000
    Listed by Coldwell Banker Realty - Cambridge

Property Details for 21 Keith St 2

Association

Amenities

  • Community Features: Pool, Tennis Court(s), Park, Golf
  • Pets Allowed: Yes

Fees

  • Association Fee: $1.00 Monthly
  • Association Fee Includes: Insurance

Exterior

Construction

  • Number Of Units Total: 2
  • Roof: Shingle
  • Stories: 3
  • Stories Total: 3
  • Structure Type: Townhouse
  • Year Built: 2026
  • Year Built Details: Actual,Finished, Never Occupied
  • Construction Materials: Stone
  • Entry Level: 1
  • Entry Location: Unit Placement(Street)
  • Exterior Features: Balcony, Rain Gutters

Features

  • Fencing: Security

Measurements

  • Building Area Total: 2,136
  • Building Area Units: Square Feet
  • Lot Size Acres: 0.14
  • Lot Size Area: 0
  • Lot Size Square Feet: 6,098
  • Lot Size Units: Acres

Financial

Taxes

  • Tax Annual Amount: $7,268.00
  • Tax Assessed Value: $534,400.00
  • Tax Year: 2025

Interior

Features

  • Appliances: Dishwasher, Disposal, Microwave, Refrigerator, Freezer, Washer, Dryer
  • Flooring: Vinyl, Hardwood
  • Interior Features: Recessed Lighting, Walk-In Closet(s), Open Floorplan

Measurements

  • Living Area: 2,136

Rooms

  • Has Basement: Yes
  • Bathrooms Full: 3
  • Bathrooms Half: 1
  • Bathrooms Total Integer: 4
  • Bedrooms Total: 3
  • Rooms Total: 8

Parking

Parking

  • Open Parking Spaces: 3
  • Open Parking: Yes
  • Parking Features: Off Street, On Street
  • Parking Total: 3

Utilities

Equipment

  • Cooling: Central Air, Zoned
  • Has Cooling: Yes
  • Heating: Central, Forced Air, Electric, Zoned
  • Has Heating: Yes
  • Laundry Features: Electric Dryer Hookup, In Unit
  • Sewer: Public Sewer
  • Water Source: Public

Frequently Asked Questions

How many bedrooms and bathrooms does this condo have?

There are 3 bedrooms and 4 bathrooms in this condo at 21 Keith St 2.

Does this condo have parking?

Yes, there are 3 parking spaces available for 21 Keith St 2.

Are pets allowed at 21 Keith St?

Yes, 21 Keith St allows pets.

What are the annual taxes for 21 Keith St 2?

Annual taxes for this condo are estimated at $7,268.

How does 21 Keith St 2 compare to other condos in East Watertown?

This condo is listed 45% above the average price for condos in East Watertown and has been on the market for 22 less days than the typical home in this area.

What is the square footage on this condo?

According to the MLS, this listing is 2,136 sqft.

21 Keith St 2 is a 3-bedroom, 4-bath condo for sale in Watertown MA 02472. On Prevu for 44 days at $1,249,000. This home features 2,136 square feet of living space, located in East Watertown. The median listing price for condos in this area is $799,900. Additional amenities include dishwasher, pets allowed, air conditioning, parking, swimming pool, and washer/dryer. View other condo listings in Watertown Town.

The property listing data and information, or the Images, set forth herein were provided to MLS Property Information Network, Inc. from third party sources, including sellers, lessors, landlords and public records, and were compiled by MLS Property Information Network, Inc. The property listing data and information, and the Images, are for the personal, non commercial use of consumers having a good faith interest in purchasing, leasing or renting listed properties of the type displayed to them and may not be used for any purpose other than to identify prospective properties which such consumers may have a good faith interest in purchasing, leasing or renting. MLS Property Information Network, Inc. and its subscribers disclaim any and all representations and warranties as to the accuracy of the property listing data and information, or as to the accuracy of any of the Images, set forth herein.

Full MLS Disclaimers

Rebate estimate is indicative only and based on listing price and estimated buyer's agent commission paid by owner, if applicable. Final rebates are subject to Terms of Use and may vary due to final negotiated transaction terms.