For Sale House MLS# 8945445

661 Maxwell Avenue

Boulder, CO 80304

$4,975,000

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About 661 Maxwell Avenue

A rare find in Mapleton Hill! Beautifully remodeled down to the studs in 2020 and complemented by a brand-new $1,000,000 ADU, this unique home brings together historic charm, gorgeous modern finishes and exceptional flexibility. Filled with natural light, the home offers an inviting flow with spaces that feel both connected and comfortable. Exposed brick adds warmth and character, while hardwood floors and thoughtfully chosen finishes create a cohesive feel throughout. The custom kitchen is a standout, featuring Wolf appliances, a Sub-Zero refrigerator and a charming built-in corner table-the perfect gathering spot for morning coffee or a casual meal. The main level includes a spacious study, a bedroom, a full bath and a powder room, providing wonderful options for guests and working from home. An elegant staircase with custom treads and metal detailing leads upstairs to the primary suite, where a generous deck captures foothill views and beautiful sunsets. It's a lovely place to start the day or unwind in the evening. The walkout lower level expands the living space with a recreation room, two additional bedrooms and a three-quarter bath, offering room to spread out and host guests comfortably. Adding to this exceptional property is the brand-new ADU with high end finish, bringing another dimension to the home's versatility and appeal. Walk to the Mount Sanitas trails for a morning hike or head to Pearl Street for shopping, dining and all the energy of downtown Boulder. With its blend of timeless character, modern comfort and a coveted Mapleton Hill setting, 661 Maxwell captures the best of Boulder living and with the Sundance Film Festival coming to Boulder in 2027, this location offers even more to look forward to. The main house is 3048 sq ft. ADU 1063 with a separate entrance basement 576 sq ft (great for storage!)

Property details

Property

Type
Single Family Residence
MLS type
Residential
Status
Active
Year built
1910
Stories
2
Living area
4,111 sqft
Price / sqft
$1,210
Lot
0.16 AC / 6,898 SF
Full baths
2
Half baths
1
MLS #
8945445

Interior

Features
Ceiling Fan(s), Eat-in Kitchen, Open Floorplan, Pantry, Walk-In Closet(s)
Appliances
Dishwasher, Disposal, Dryer, Microwave, Oven, Range, Refrigerator, Self Cleaning Oven, Washer
Flooring
Concrete, Wood
Heating
Forced Air, Radiant
Cooling
Central Air
Fireplaces
1
Laundry
In Unit

Exterior & lot

Roof
Composition
Lot
Sprinklers In Front, Sprinklers In Rear
Patio & porch
Deck, Patio
Fence
Partial
View
Mountain(s)

Schools

District
Boulder Valley RE 2
Elementary
Whittier Int'l
Middle
Casey
High
Boulder

Utilities

Utilities
Natural Gas Connected
Water
Public
Sewer
Public Sewer

Financial

Annual tax
$15,843
Parcel
R0008550
Special conditions
None Known

Location

Subdivision
Mapleton Hill
County
Boulder

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Listed by Karolyn Merrill, RE/MAX of Boulder

Listing information is provided by the participating MLS / IDX program and is deemed reliable but not guaranteed. All information should be independently verified. Equal Housing Opportunity.