4-bed, 4.5-bath single-family home in Highland Lawn

Active$4,490,000

MLS® Listing#1066712 · Single Family Residence · Listed Aug 18, 2026

512 Marine St, Boulder, CO 80302

Highland Lawn · Boulder County

Showing 5 of 46 photos · virtual tour online

4Beds

4.5Baths

4,348Sq Ft

1903Year built

0.23Acre lot

2Garage

Description

Perfectly located on one of Boulder's most idyllic streets, this exceptional home blends Victorian charm with luxurious modern amenities. The homes' traditional exterior gives way to a welcoming main level that features light-filled spaces, soaring ceilings, a formal dining room perfected for entertaining, and an array of spaces that welcome the outdoors in. The chef's kitchen features a new Sub-Zero fridge, Wolf range, granite topped island, and a walk-in pantry that makes organization easy. Don't miss the cleverly-designed under stair office with secret bookshelf, one of the many special touches that make this home so unique.Upstairs the primary suite features two fireplaces, a generous soaking tub and steam shower in the spa-like bath, soaring ceilings and mountain views. Two more light-filled bedrooms, two full baths and a dedicated laundry room complete the second floor. The lower level includes the large fourth bedroom with an en-suite bath, impressive ceiling height, an office, third living room, and an abundance of useful built-in storage. Step outside to a peaceful retreat of a backyard that includes a waterfall feature, plumbed-in BBQ, multiple outdoor patios, a two story playhouse, and an array of flowers and fruit trees. The separate backyard cottage with vaulted ceilings, a kitchenette, and powder bath creates the ultimate flexibility for a gym, home office, or guest house. The two car garage with epoxy floors and additional storage adds to the comfort and convenience of the home.Walk to trails, downtown restaurants, and all the best that Boulder has to offer. This is Boulder living at its best

Full description online — scan the code for the complete listing.

Property information

Property type: Residential
Sub-type: Single Family Residence
Year built: 1903
Living area: 4,348 Sq Ft
Lot size: 0.23 acres
Garage spaces: 2
Annual taxes (2025): $27,328
HOA fee: None
Price / Sq Ft: $1,033
Days on market: 58

Features

Interior: Eat-in Kitchen · Open Floorplan · Pantry · Walk-In Closet(s)
Appliances: Gas Range · Double Oven · Refrigerator · Bar Fridge
Cooling: Central Air
Heating: Forced Air
Flooring: Wood
Parking: Attached
Laundry: Washer Hookup
Fireplace: Gas · Living Room · Family Room · Bedroom
Patio: Patio
Fencing: Fenced

$4,490,000List price

4Beds

4.5Baths

4,348Sq Ft

1903Year built

0.23Acre lot

2Garage

8 weeks agoOn market

$4,490,000

512 Marine St

Boulder, CO 80302

Active

Your local EXIT Realty office

EXIT Mosaic RealtyCentennial, COCall

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Description

Property Information

Property type: Residential
Sub-type: Single Family Residence
Style: Victorian
Year built: 1903
Living area: 4,348 Sq Ft
Lot size: 0.23 acres
Garage spaces: 2
Zoning: RES
Days on market: 58
MLS^® Listing#: 1066712

Property Features

Interior: Eat-in Kitchen · Open Floorplan · Pantry · Walk-In Closet(s) · Kitchen Island · High Ceilings
Exterior: Balcony · Barbecue
Appliances: Gas Range · Double Oven · Refrigerator · Bar Fridge · Washer · Dryer · Microwave · Water Purifier Owned
Cooling: Central Air
Heating: Forced Air
Flooring: Wood
Fireplace: Gas · Living Room · Family Room · Bedroom
Basement: Full · Partially Finished · Sump Pump
Parking: Attached
Laundry: Washer Hookup
Patio: Patio
Fencing: Fenced
Lot features: Wooded · Level · Paved
Construction: Frame · Brick
Roof: Composition
Windows: Wood Frames
Security: Fire Alarm
Utilities: Natural Gas Available · Electricity Available
Sewer: Public Sewer
Water source: Public

Rooms

Upper

Primary Bedroom15x27

Main

Kitchen13x14

Schools

Elementary: Flatirons
Middle: Manhattan
High: Boulder

Financial Details

HOA: None
Annual taxes: $27,328Tax year 2025
Parcel number: R0000453

Documents & links

Provided by Bianca Griffith

Virtual tourVisit

Boulder Market Statistics

How this home compares to 1,578 active listings in Boulder, CO

	Boulder median	This listing
Median listing price	$1,049,500	$4,490,000
Median days on market	62	58
Median Sq Ft	1,985	4,348
Median price / Sq Ft	$532	$1,033

Market statistics compiled from active EXIT Realty® and MLS listings in Boulder, CO.

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Explore commute times from 512 Marine St, Boulder, CO 80302.

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Similar Home Values

Comparable nearby listings and their asking prices.

Address	Price	Beds	Baths	Sq Ft
505 Pine St, Boulder, CO	$4,345,000	4	1.5	2,652
110 Chautauqua Park, Boulder, CO	$4,325,000	4	1	4,000
105 Bellevue Drive, Boulder, CO	$4,300,000	4	2.5	3,780
601 15th Street, Boulder, CO	$4,395,000	5	5	5,280

Connect with a Local Real Estate Expert

Stephan Poullier
Associate Broker
EXIT Mosaic Realty
Tasha Beckman
Broker of Record
EXIT Mosaic Realty
Nicole Robilotto
Associate Broker
EXIT Mosaic Realty
Amanda Edmondson
Associate Broker
EXIT Mosaic Realty
Marina-Jeanne Lewallen
Associate Broker
EXIT Mosaic Realty
Amy Ashby
Associate Broker
EXIT Mosaic Realty

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Description

Property Information

Property Features

Rooms

Upper

Main

Schools

Financial Details

Documents & links

Boulder Market Statistics

Commute Calculator

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601 15th StreetBoulder, CO 80302#IR1068587

512 Marine StreetBoulder, CO 80302#IR1066712

541 Arapahoe AvenueBoulder, CO 80302#IR1068030

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Connect with a Local Real Estate Expert

Stephan Poullier

Tasha Beckman

Nicole Robilotto

Amanda Edmondson

Marina-Jeanne Lewallen

Amy Ashby

Boulder Market Statistics

More homes to consider

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601 15th StreetBoulder, CO 80302#IR1068587

512 Marine StreetBoulder, CO 80302#IR1066712

541 Arapahoe AvenueBoulder, CO 80302#IR1068030

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