Timeless Victorian architecture revived with modern elegance is personified in 504 Marine Street to create the ultimate class act. Completely reimagined by Mosaic Architecture & executed by Morningstar Homes, this property incorporates the cherished character of the 1900 original structure to showcase gorgeous exposed brick while being complemented with quality construction & luxury finishes for contemporary convenience. Get all the charm without the worry with everything fully updated including electrical, structural I-beams, furnace, audio-visual & even a new roof in 2020. Intricate and comprehensive, this remodeled home includes custom cabinetry, closets, molding, designer lighting & a striking steel & stone staircase that is like no other. The open and sunlit floorplan features a custom kitchen with high-end appliances, a commanding center island, a built-in banquet & copious & functional storage for any chef's needs. Not to be overshadowed is the elegant family room with a sleek yet stunning gas fireplace as the main focal point & a Nana wall folding door system to seamlessly flow to the outside. Upstairs offers three bedrooms including the chic primary bedroom to be envious of with vaulted ceilings, a private balcony, two dreamy walk-in closets & a custom ensuite that includes the most impressive walk-in shower & sumptuous soaking tub. Downstairs the ample finished basement features a game-worthy rec room with wet bar along with a guest suite. If the interior isn't enough to garner your attention, the backyard oasis is truly the crown jewel of this remarkable property. Extensive landscaping, a built-in Viking grill & bartop, a statement fireplace & an extraordinary built-in steel hot tub create a backyard setting you'll never want to leave. This incredible location is just one block to the View Point Trail. With amazing proximity to trails, Pearl Street & Chautauqua, this is the exclusive and eminently walkable West Boulder lifestyle you've been looking for.
Electric Range, Double Oven, Dishwasher, Refrigerator, Bar Fridge, Washer, Dryer, Microwave, Gas Bar-B-Q, Disposal
FIREPLACE FEATURES
Two or More, Gas, Living Room
Heating
Forced Air, Radiant
Cooling
Ceiling Fan(s)
Utility Features
Natural Gas Available, Electricity Available
SEWER
Public Sewer
WATER SOURCE
City
Year Built
1900
Basement
Full, Partially Finished
FINISHED BASEMENT SIZE
1225.0
ARCHITECTURAL STYLE
Victorian
Roof
Composition
EXTERIOR FEATURES
Sprinkler System, Balcony, Hot Tub, Heated Garage, Oversized Garage
Parking Features
Garage Door Opener
Fence
Fenced, Metal
Lot Features
Corner Lot, Deciduous Trees, Paved, Sidewalks
Garage spaces
2
View
Hills
CITY
Boulder
SUBDIVISION
Highland Lawn
COUNTY
Boulder
AREA
Boulder
STATE
CO
TAX AMOUNT
20235.0
LATEST UPDATE
2026-01-23T08:35:13.803Z
PRICE CHANGE(S)
$4,750,000 Oct 21, 2025
Property Details
Property TypeResidential
StatusClosed
Bedrooms4
Bathrooms (Full)2
Property Sub TypeSingle Family Residence
Square Feet4,159
MLS #976698
Bathrooms (¾)1
Bathrooms (Half)1
FlooringWood
AppliancesElectric Range, Double Oven, Dishwasher, Refrigerator, Bar Fridge, Washer, Dryer, Microwave, Gas Bar-B-Q, Disposal
FIREPLACE FEATURESTwo or More, Gas, Living Room
HeatingForced Air, Radiant
CoolingCeiling Fan(s)
Utility FeaturesNatural Gas Available, Electricity Available
SEWERPublic Sewer
WATER SOURCECity
Year Built1900
BasementFull, Partially Finished
FINISHED BASEMENT SIZE1225.0
ARCHITECTURAL STYLEVictorian
RoofComposition
EXTERIOR FEATURESSprinkler System, Balcony, Hot Tub, Heated Garage, Oversized Garage
Parking FeaturesGarage Door Opener
FenceFenced, Metal
Lot FeaturesCorner Lot, Deciduous Trees, Paved, Sidewalks
Garage spaces2
ViewHills
CITYBoulder
SUBDIVISIONHighland Lawn
COUNTYBoulder
AREABoulder
STATECO
TAX AMOUNT20235.0
LATEST UPDATE2026-01-23T08:35:13.803Z
PRICE CHANGE(S)
$4,750,000 Oct 21, 2025
Market Trends
New Properties On Market
63
50%
Increase In New Listings
Average Asking Price
$1,902,740
$105,350 Decrease In Avg Asking Price
Average Asking Price / Sq. Ft.
$590
$114 Decrease In List Price/Sq. Ft.
Average Days On Market
11
17 Day
Decrease In Days On Market
Data as of Apr 11, 2026.
Remaining statistics above are calculated on activity within the period from Feb 01, 2026 to Mar 31, 2026.
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