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20 4th LaneChelmsford, MA 01824

For Sale

$729,900

Smart Buyer Rebate $2,098

Rare Waterfront Opportunity on Heart Pond! Don’t be fooled this home is bigger than it looks! Beautifully updated and designed for year-round enjoyment, it offers stunning views in every season. The first floor features a spacious bedroom, full bath, home office, living room, kitchen, laundry, and an oversized Brady-built sunroom that feels like an extension of the outdoors. The open layout is ideal for living and entertaining, while the heated basement provides a workshop and plenty of storage. Outdoor spaces include a fenced backyard, gazebo, patio, deck, private beach, a large shed and option to add a dock. (Option to include Pontoon boat!) From morning coffee to kayaking, skating, or sunset views, this home delivers the perfect balance of comfort, recreation, and relaxation. Don’t miss your chance to make this rare waterfront gem your own!

Listed by Maureen Howe

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ERA Key Realty Services

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978-697-1536

Last updated October 08, 2025

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Source: MLSPin #73438222

Listing Facts

  • TypeSingle-family
  • NeighborhoodHeart Pond
  • Bedrooms4
  • Bathrooms1
  • Days on Prevu22
  • Taxes$8,105/year
  • Size1,638 sqft
  • Price per sqft$446

Amenities

  • Dishwasher
  • Private Outdoor Space
  • Parking
  • Swimming Pool

Location

Mortgage Calculator

Listing History

10/01/2025
Listed by ERA Key Realty Services
$729,900

Property Details for 20 4th Lane

Association

Amenities

  • Community Features: Shopping, Pool, Tennis Court(s), Park, Walk/Jog Trails, Stable(s), Golf, Bike Path, Conservation Area, Public School

Exterior

Construction

  • Roof: Shingle
  • Year Built: 1930
  • Year Built Details: Actual
  • Architectural Style: Bungalow
  • Construction Materials: Frame
  • Exterior Features: Patio, Rain Gutters, Storage, Fenced Yard

Features

  • Fencing: Fenced/Enclosed, Fenced
  • Other Structures: Workshop
  • Patio And Porch Features: Patio
  • Road Frontage Type: Private Road
  • Waterfront Features: Waterfront, Pond, Dock/Mooring, Frontage, Access, Direct Access, Lake/Pond, 0 To 1/10 Mile To Beach
  • Waterfront: Yes

Measurements

  • Building Area Total: 1,638
  • Building Area Units: Square Feet
  • Lot Size Acres: 0.19
  • Lot Size Area: 0
  • Lot Size Square Feet: 8,276
  • Lot Size Units: Acres

Financial

Taxes

  • Parcel Number: 3911817
  • Tax Annual Amount: $8,105.00
  • Tax Assessed Value: $583,100.00
  • Tax Year: 2025

Interior

Features

  • Appliances: Gas Water Heater, Range, Dishwasher, Disposal, Microwave, Refrigerator
  • Fireplace Features: Living Room
  • Fireplace: Yes
  • Fireplaces Total: 1
  • Flooring: Wood, Tile, Laminate, Flooring - Wall To Wall Carpet
  • Interior Features: Ceiling Fan(s), Sun Room, Office

Measurements

  • Living Area: 1,638
  • Living Area Source: Owner

Rooms

  • Basement: Full
  • Bathrooms Full: 1
  • Bathrooms Total Integer: 1
  • Bedrooms Total: 4
  • Main Level Bathrooms: 1
  • Rooms Total: 8

Other

Location

  • Subdivision Name: Heart Pond

Parking

Parking

  • Open Parking: Yes
  • Parking Features: Paved Drive, Off Street

Schools

Elementary School

  • Elementary School: Byam

High School

  • High School: Chelmsford Hs

Middle or Junior School

  • Middle Or Junior School: Mccarthy/Parker

Utilities

Equipment

  • Cooling: Window Unit(s)
  • Has Cooling: Yes
  • Heating: Forced Air, Baseboard, Electric Baseboard
  • Has Heating: Yes
  • Laundry Features: Flooring - Hardwood, Remodeled, First Floor, Electric Dryer Hookup
  • Sewer: Public Sewer
  • Utilities: For Gas Range, For Electric Dryer
  • Water Source: Private

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.