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81 Alder StWaltham, MA 02453

For Sale

$3,100,000

Smart Buyer Rebate $15,500

81 Alder St is a three-story building and contains four (4) total units comprised of two (2) 5-Bedroom/3-Bathroom units, one (1) 5-Bedroom/2-Bathroom unit, and one (1) 4-Bedroom/2.5-Bathroom unit. All units are desirable, townhouse style units. The property has undergone significant capital upgrades which include condo quality finishes to all units featuring new kitchens with new cabinetry, quartz countertops, renovated bathrooms, new flooring, painting, central air conditioning (central air and mini splits) and updated electrical service. Building amenities include laundry for each unit as well as Four (4) direct parking spaces, one of which is Tandem for multiple vehicles. 81 Alder Street is strategically located in a well-connected residential neighborhood on the South Side of Waltham, offering convenient access to Moody Street, downtown Waltham, and the Charles River waterfront.

Listed by John Pentore

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Horvath & Tremblay

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781-776-4004

Listed by Dennis Kelleher

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Horvath & Tremblay

Listed by Kelleher - Pentore Team

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Horvath & Tremblay

Last updated November 05, 2025

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Source: MLSPin #73450026

Listing Facts

  • TypeMulti-family
  • NeighborhoodSouth Side
  • Bedrooms19
  • Bathrooms11
  • Days on Prevu19
  • Taxes$15,562/year
  • Size6,665 sqft
  • Price per sqft$465

Amenities

  • Parking
  • Swimming Pool

Location

Mortgage Calculator

Listing History

10/31/2025
Listed by Horvath & Tremblay
$3,100,000

Property Details for 81 Alder St

Association

Amenities

  • Community Features: Public Transportation, Shopping, Pool, Tennis Court(s), Park, Walk/Jog Trails, Golf, Medical Facility, Laundromat, Bike Path, Highway Access, House Of Worship, Private School, Public School, T-Station, University

Exterior

Construction

  • Number Of Units Total: 4
  • Roof: Slate, Rubber
  • Stories: 16
  • Stories Total: 16
  • Year Built: 1900
  • Year Built Details: Approximate

Measurements

  • Building Area Total: 6,665
  • Building Area Units: Square Feet
  • Lot Features: Other
  • Lot Size Acres: 0.16
  • Lot Size Area: 0
  • Lot Size Square Feet: 6,840
  • Lot Size Units: Acres

Financial

Residential Income

  • Gross Income: $237,600.00
  • Operating Expense: $36,381.00

Taxes

  • Parcel Number: 839858
  • Tax Annual Amount: $15,562.00
  • Tax Assessed Value: $1,555,600.00
  • Tax Year: 2025

Interior

Measurements

  • Living Area: 6,665
  • Living Area Source: Public Record

Rooms

  • Bathrooms Full: 10
  • Bathrooms Half: 1
  • Bathrooms Total Integer: 11
  • Bedrooms Total: 19
  • Rooms Total: 27

Parking

Parking

  • Parking Total: 4

Utilities

Equipment

  • Electric: Individually Metered
  • Sewer: Public Sewer
  • Water Source: Public

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.