Welcome to this beautifully maintained, one-owner custom Colonial offering 2444square 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.
This home has been viewed 9 times
Last Checked: June 16th, 2026 at 7:28am (Source: MLS PIN #73533956)
Garage Parking
Air Conditioning
Waterview
Lead Paint Free
General Information for 12 Mountain, Waltham MA 02451
Listing ID73533956
Property TypeSingle Family / Detached
Price$1,595,000 ($652.62/SqFt)
StyleColonial
CityWaltham
CountyMiddlesex
Neighborhood(s)
Garage Parking2
ZoningA-1
Year Built2006
Year Built SourcePublic Records
Year Built DetailsActual
Interior Features for 12 Mountain, Waltham MA 02451
Approximate Living Area Total2444
Living Area Includes BasementNo
Rooms10
Bedrooms4
Primary En Suite BathroomYes
BasementFull
Cooling1, Split
Fireplaces
AppliancesRange
FlooringTile
Electric220 Volts
Exterior Features for 12 Mountain, Waltham MA 02451
Approximate Lot Size (Acres)0.28
Approximate Lot Size (Square Feet)12090
Total Parking11 (2 Garage)
Garage Parking2
WaterPublic
SewerPublic Sewer
Lot FeaturesGentle Sloping
Parking Features1
Exterior FeaturesPorch
Foundation Materials
Construction MaterialsFrame
Road Frontage Type
Patio & PorchCovered
Roof MaterialAsphalt/fiberglass Shingles
Utility Connections110 Volts
Water ViewsNo
Water Views Features
Waterfront0
Waterfront Features
Pool Features
Horse Permitted0
Horse Amenities
Disclosures for 12 Mountain, Waltham MA 02451
Lead PaintNone
UFFI
Living Area Includes BasementNo
Living Area Disclosure
Building Area SourcePublic Records
Special Listing Conditions
ExclusionsWasher/Dryer
Compensation Based On
Financial Information for 12 Mountain, Waltham MA 02451
Association Fee
Association Fee Frequency
Association Fee Includes
Real Estate Tax9846
Tax Year2025
Assessed Value$1,051,400
Location Information for 12 Mountain, Waltham MA 02451
Elementary SchoolMacarthur
Middle SchoolKennedy
High SchoolWaltham
Neighborhood(s)
Area AmenitiesWalk/jog Trails
Contact Information for 12 Mountain, Waltham MA 02451