512 Marine St, Boulder, CO 80302

$4,650,000
4
BD
5
BA
4,465
SqFt

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Courtesy of RE/MAX of Boulder . maureenm@boulderco.com,303-817-1282

Selling Office: RE/MAX of Boulder.

Sold Price
$4,650,000
List Price
$4,750,000
Closing Date
Nov 21, 2025
Type
Single Family Residential
Status
CLOSED
MLS Number
8483246
Bedrooms
4
Bathrooms
5
Finished Sqft
4,465
Subdivision
Highland Lawn
Year Built
1903

Property Description

Located on one of Boulder's most iconic, tree-lined streets, this architecturally rich residence effortlessly blends timeless charm with elevated modern design. Thoughtfully curated and beautifully finished, the main level features sustainably refinished hardwood floors, soaring ceilings, and a striking gourmet kitchen outfitted with a new Sub-Zero refrigerator, Wolf range, and a marble-topped island ideal for gatherings. Refined living and dining spaces exude warmth and character with custom built-ins, designer lighting, and multiple fireplaces.Upstairs, the vaulted primary suite offers a true retreat, complete with its own fireplace, a private balcony, and sweeping Flatiron views. Two additional bedrooms are filled with light and comfort, each enjoying access to a beautifully appointed bath-one en suite, the other just a few steps away. A whimsical "secret" bonus room adds charm and flexibility for imaginative play or clever storage.The lower level expands the living experience with impressive ceiling height, a bright media room, custom shelving, glass-enclosed home office, and a private guest suite with a spa-like bath.Outdoors, the magic continues. The professionally landscaped backyard is a lush and tranquil sanctuary with a newly paved patio, serene waterfall feature, plumbed-in BBQ, and multiple entertaining spaces-plus a storybook two-story playhouse with sandbox and a full sprinkler system for year-round vibrancy. A detached cottage with vaulted ceilings, a kitchenette, and powder room offers flexible bonus space-perfect for a gym, office, studio, guest quarters or teen hangout-while the detached garage boasts epoxy floors and built-in storage. Just moments from top cafes, award-winning restaurants, boutique shopping, Chautauqua Park, and endless hiking trails, this is quintessential Boulder living at its finest.

Additional Information

Taxes
$25,584
School District
Boulder Valley RE 2
Elementary School
Flatirons
Middle School
Manhattan
High School
Boulder
Parking Spaces
2
Style
Victorian
Basement
Finished, Sump Pump
Type
Single Family Residence
Sewer
Public Sewer
Lot Size
9,947
Acres
0.23
Water
Public
View
Mountain(s)

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