Skip to main content
CityHomes: Homes For Sale and Homes for Rent


Located at 512 Marine St, Boulder, Colorado 80302, this Single Family Home is for Sale with a price of $4,985,000 USD. The property was built in 1903, includes 4 bedrooms, has 4 full baths and 1 partial baths. This listing has 4,904 Sq.Ft. of interior space on a lot of .23 Acres. See all Homes for Sale in Boulder.
header_bg_image
phone_agent_image

Inquire

email_agent_image

Request information

Schedule Property Tour

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service

CONSENT. By proceeding, you consent to receive calls and texts at the number you provided, including marketing by autodialer and prerecorded and artificial voice, and email, from Realtor.com (Move Sales, Inc.), its affiliates, and their network service providers, about your inquiry and other home-related matters, but not as a condition of any purchase. Msg/data rates may apply. This consent applies even if you are on a corporate, state, or national Do Not Call list.

header_bg_image
phone_agent_image

Inquire

email_agent_image

Request information

Schedule Property Tour

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service

CONSENT. By proceeding, you consent to receive calls and texts at the number you provided, including marketing by autodialer and prerecorded and artificial voice, and email, from Realtor.com (Move Sales, Inc.), its affiliates, and their network service providers, about your inquiry and other home-related matters, but not as a condition of any purchase. Msg/data rates may apply. This consent applies even if you are on a corporate, state, or national Do Not Call list.

Contact Agent
global settings
Expand
38. 512 Marine St
1. 512 Marine St
2. 512 Marine St
1 of 38
Size
Financial
Listing Details
ColoradoBoulder512 Marine St

real estate listings near Boulder

Cities Near Boulder, CO

Homes For Sale In Fort Collins
Homes For Sale In Aurora
Homes For Sale In Loveland
Homes For Sale In Windsor
Homes For Sale In Longmont
Homes For Sale In Greeley
Homes For Sale In Castle Rock
Homes For Sale In Littleton
Homes For Sale In Commerce City
Homes For Sale In Keystone
Homes For Sale In Denver
Homes For Sale In Timnath
Homes For Sale In Parker
Homes For Sale In Thornton
Homes For Sale In Johnstown
Homes For Sale In Estes Park
Homes For Sale In Brighton
Homes For Sale In Winter Park
Homes For Sale In Erie
Homes For Sale In Broomfield

zips near Boulder, CO

Homes For Sale In 80524
Homes For Sale In 80538
Homes For Sale In 80019
Homes For Sale In 80435
Homes For Sale In 80504
Homes For Sale In 80022
Homes For Sale In 80125
Homes For Sale In 80634
Homes For Sale In 80108
Homes For Sale In 80534
Homes For Sale In 80537
Homes For Sale In 80547
Homes For Sale In 80517
Homes For Sale In 80516
Homes For Sale In 80525
Homes For Sale In 80528
Homes For Sale In 80482

Description

512 Marine St,

Boulder, CO 80302

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.

This is an Active listing.

Broker Office Phone Number: 303-441-5622

Copyright © 2025Information and Real Estate Services, LLC. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.

Amenities

  • Fireplace
Listing By: RE/MAX of Boulder, Inc via Data Source: Information and Real Estate Services, LLC 
4
Bedrooms
4
Full Baths
1
Partial Bath
$4,985,000
price
$1,017
Price Per Sqft
$25,584
Annual taxes
Single Family Home
Property type
1903
Year Built
Boulder Valley RE-2
School District
Boulder Valley RE-2
School District
boulder-valley-school-district-re-2-boulder-co
Schools
Flatirons
Elementary
Manhattan
Middle
Boulder
High
15663211
Web Id
1036876
MLS ID
39
Days Posted

Price History

datepricevariancetype
6/14/2025$4,985,000-Listed
listing agent: Maureen McCarthy
more info
4,904 Sq Ft.
interior
0.23 Acres
Exterior
  • Terms of Use
  • Privacy Policy
  • Agent Products
  • Broker Products
  • Display Your Listings
  • Feedback
  • Sitemap
  • Agent Log In
    • Sales
      • United States Homes for Sale
      • Atlanta Homes for Sale
        • All Listings
        • Open Houses
        • Price Reduced
        • New Listings
      • Austin Homes for Sale
        • All Listings
        • Open Houses
        • Price Reduced
        • New Listings
      • Boston Homes for Sale
        • All Listings
        • Open Houses
        • Price Reduced
        • New Listings
      • Chicago Homes for Sale
        • All Listings
        • Open Houses
        • Price Reduced
        • New Listings
      • Dallas Homes for Sale
        • All Listings
        • Open Houses
        • Price Reduced
        • New Listings
      • Las Vegas Homes for Sale
        • All Listings
        • Open Houses
        • Price Reduced
        • New Listings
      • Miami Homes for Sale
        • All Listings
        • Open Houses
        • Price Reduced
        • New Listings
      • New York City Apartments for Sale
        • All Listings
        • Open Houses
        • Price Reduced
        • New Listings
      • Philadelphia Homes for Sale
        • All Listings
        • Open Houses
        • Price Reduced
        • New Listings
      • Washington DC Homes for Sale
        • All Listings
        • Open Houses
        • Price Reduced
        • New Listings
    • Rentals
      • United States Homes For Rent
      • Atlanta Homes for Rent
        • All Listings
        • Open Houses
        • New Listings
      • Austin Homes for Rent
        • All Listings
        • Open Houses
        • New Listings
      • Boston Homes for Rent
        • All Listings
        • Open Houses
        • New Listings
      • Chicago Homes for Rent
        • All Listings
        • Open Houses
        • New Listings
      • Dallas Homes for Rent
        • All Listings
        • Open Houses
        • New Listings
      • Las Vegas Homes for Rent
        • All Listings
        • Open Houses
        • New Listings
      • Miami Homes for Rent
        • All Listings
        • Open Houses
        • New Listings
      • New York City Apartments for Rent
        • All Listings
        • Open Houses
        • New Listings
      • Philadelphia Homes for Rent
        • All Listings
        • Open Houses
        • New Listings
      • Washington DC Homes for Rent
        • All Listings
        • Open Houses
        • New Listings
    • Buildings
      • All Buildings
      • New Home Communities
        • Single Family
        • Condo/Townhouse
      • Adult/Senior Communities
    • Locations
    • Agents
      • United States Real Estate Agents
      • Atlanta Real Estate Agents
      • Austin Real Estate Agents
      • Boston Real Estate Agents
      • Chicago Real Estate Agents
      • Dallas Real Estate Agents
      • Las Vegas Real Estate Agents
      • Miami Real Estate Agents
      • New York Real Estate Agents
      • Philadelphia Real Estate Agents
      • Washington DC Real Estate Agents
    • City Sites
      • CityHomes
      • Atlanta
      • Austin
      • Boston
      • Chicago
      • Dallas
      • Las Vegas
      • Miami
      • New York City
      • Philadelphia
      • Washington DC
    • Products
      • Agents
      • Brokers
      • Franchises
      • Display Your Listings
    new listing

    512 Marine St
    Boulder, CO 80302

    $4,985,000
    4 bd4 ba