Seller Financing Available. The beautifully preserved past meets the exciting present in this carefully updated and diligently maintained historic Mapleton Hill home. This fine Boulder 4BD/3BA landmark awaits its next generation of lucky residents with an expansive modernized layout, a wealth of original and period-appropriate architectural details, and phenomenal poolside outdoor space. Built in 1895, The Law House is a Gothic Revival masterpiece built from stone quarried from Mt. Sanitas. Inside, you'll find tall tin ceilings, original fir floors, stained glass windows and exceptional millwork paired with thoughtfully selected lighting, windows and doors, Cleveland Art and Antiques handblown light fixtures and Sonos speakers. A charming covered porch and gracious foyer open to a sun-kissed layout perfect for peaceful relaxation and lavish entertaining, including a fireplace living room, elegant formal dining room and a stately library with breathtaking woodwork, a Murphy bed and a hidden passageway to both the lower and upper levels. The open gourmet kitchen boasts a skylight, custom cabinetry, honed raw-edge Australian granite and upscale appliances, while an adjacent guest bath and laundry room add convenience. Grill masters will love the large deck's Lynx summer kitchen. Below, the newer saltwater jetted pool spa is surrounded by manicured gardens and tall trees for optimal privacy. A handsome fir staircase leads to the upper-level private quarters, including a luxurious owner's suite with a spa bath and walk-in closet. Two secondary bedrooms & a full bath complete the top floor, while the walkout basement provides a vast footprint for media room, home gym & game room use. Completely remodeled in 2006, the home includes upper-level HVAC and mini-split/radiant heat on the main and lower levels. Plans are available for a primary bathroom and closet remodel and a basement expansion with a depth increase. Coveted Mapleton Hill Historic District close to EVERYTHING.
Listed by Patrick Brown
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License #IRP28849
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Compass - Boulder
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303-242-6012
Last updated July 23, 2025
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Source: REcolorado #IR1026643
Listing Facts
TypeSingle-family
NeighborhoodMapleton Hill
Bedrooms4
Bathrooms3
Days on Prevu199
Taxes$18,826/year
Size3,926 sqft
Price per sqft$1,477
Amenities
Dishwasher
Private Outdoor Space
Washer/Dryer
Air Conditioning
Parking
Swimming Pool
Location
Mortgage Calculator
Listing History
02/21/2025
Status changed to Active
$5,800,000
02/19/2025
Listed by Compass - Boulder
$5,800,000
Property Details for 643 Mapleton Avenue
Exterior
Construction
Roof: Composition
Structure Type: House
Window Features: Bay Window(s), Skylight(s)
Year Built: 1895
Architectural Style: Victorian
Construction Materials: Stone, Wood Siding
Exterior Features: Dog Run, Gas Grill
Features
Direction Faces: South
Patio And Porch Features: Deck, Patio
Pool Features: Private
Road Frontage Type: Public
View: Mountain(s)
Measurements
Building Area Total: 3,926
Lot Features: Corner Lot, Historical District, Level, Sprinklers In Front
Fireplace Features: Basement, Dining Room, Free Standing, Gas
Flooring: Wood
Interior Features: Eat-in Kitchen, Kitchen Island, Open Floorplan, Vaulted Ceiling(s), Walk-In Closet(s), Wet Bar
Measurements
Living Area: 3,926
Rooms
Basement: Walk-Out Access
Has Basement: Yes
Bathrooms Full: 2
Bathrooms Three Quarter: 1
Bathrooms Total Integer: 3
Bedrooms Total: 4
Main Level Bathrooms: 1
Main Level Bedrooms: 1
Other
Location
Subdivision Name: Mapleton
Parking
Parking
Attached Garage: Yes
Garage Spaces: 2
Parking Total: 2
Schools
Elementary School
Elementary School: Whittier E-8
Elementary School District: Boulder Valley RE 2
High School
High School: Boulder
High School District: Boulder Valley RE 2
Middle or Junior School
Middle Or Junior School: Casey
Utilities
Equipment
Cooling: Air Conditioning-Room, Central Air
Heating: Forced Air, Hot Water, Radiant, Wood Stove
Laundry Features: In Unit
Sewer: Public Sewer
Utilities: Natural Gas Available
Water Source: Public
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