Welcome to this beautifully maintained, one-owner custom Colonial offering 3,400 square feet of living space in a highly sought-after Waltham location on the Lincoln line. Built in 2005, this 4-bedroom, 3.5-bath home showcases exceptional craftsmanship throughout. The striking fieldstone front, farmer's porch, professional landscaping, irrigation system, and oversized garage with loft storage create outstanding curb appeal and functionality. The open-concept kitchen features custom concrete countertops and flows seamlessly into the stunning living room with soaring Douglas fir cathedral ceilings and a dramatic floor-to-ceiling fieldstone gas fireplace. Hardwood floors run throughout the first floor, which also includes a versatile bonus room perfect for a home office, playroom, or guest space. Glass doors from the dining area lead to a large Trex deck overlooking a fully fenced, level backyard, with stairs leading to a patio and garden area-ideal for entertaining and outdoor enjoyment.

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Basic Information

Bedrooms4
Mls StatusNew
Bathroom4
Lot Features Level
Parcel Number 826870
Road Frontage DescriptionPaved

Basic Information

List Price$1,595,000
MLSPIN 73533956
Modification Date06/10/2026
Property SubTypeSingle Family Residence

Building

Basement
- Bulkhead
- Concrete
- Full
- Slab
- Sump Pump
- Unfinished
Building Area Units Square Feet
Construction Materials Frame, Stone
Door Features Insulated Doors
FireplaceYes
Fireplace Features Living Room
Fireplaces Total 1
FoundationConcrete Perimeter
Garage Spaces2
Patio And Porch Features Porch, Deck, Patio
Property StyleColonial
Rooms10
Utilities For Gas Range, For Electric Oven
Window Features Insulated Windows
Year Built2006
Year Built Details Actual
Year Built Source Public Records

Other

Date Listed06/10/2026
Farm Land Area Units Square Feet
View Count1

Tax Information

Tax Assessed Value $1,051,400
Tax Year 2025
Taxes$9,846

Parking

Parking Spaces9
Covered Spaces 2
Garage YN Yes
Open Parking YN Yes
Parking Features
- Detached
- Garage Door Opener
- Garage Faces Side
- Off Street
- Oversized
- Paved
- Storage
- Tandem

Location

Address12 Mountain
Building Number12
CountyMiddlesex
StateMA
StreetMountain
TownWaltham
Zip02451

Exterior

Exterior Features
- Deck
- Fenced Yard
- Patio
- Porch
- Sprinkler System
- Stone Wall
Fencing Fenced
RoofShingle

Property Information

Square Feet2,444
Building Area Source Public Records
Living Area 2,444
Lot Size Square Feet 12,090
Lot Size Units Acres
Road Responsibility Private Maintained Road

Legal

ZoningA-1

School Information

High School Waltham
Elementary SchoolMacarthur
High SchoolWaltham
Junior HighKennedy

Rooms

Bathrooms Total Decimal 3.5
Bedroom 2 Second
Bedroom 3 Second
Bedroom 4 Second
Dining Room First
Family Room First
Full Bath3
Half Baths1
Kitchen First
Living Room First
Master Bedroom Second

Property

Acreage0.28

Interior

Flooring Tile, Carpet, Hardwood

Utilities

Cooling Central Air
Cooling YN Yes
Electric 220 Volts, Circuit Breakers,200+ Amp Service
Heat SystemYes
Heating Central, Forced Air
Sewer Public Sewer
Water Source Public

Amenities

Amenities
- Bike Path
- Conservation Area
- Highway Access
- Public School
- Sidewalks
- Walk/Jog Trails
Appliances IncludedGas Water Heater, Water Heater, Oven, Dishwasher, Disposal, Microwave, Refrigerator, Washer, Dryer, Range Hood

School Name	Distance	Type	Grades

The property listing data and information, or the Images, set forth herein were provided to MLS Property Information Network, Inc. (MLSPIN) from third party sources, including sellers, lessors and public records, and were compiled by MLSPIN. 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 or leasing 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 or leasing. MLSPIN 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.

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