Check Availability
$3,750,000
● House - For Sale

350 15th St

Boulder, CO 80302
bedrooms
5 Beds
bathrooms
3 Baths, 1 Half Bath
square feet
4,501 Ft²
$20,236
Est. Monthly

About This Property

Experience one of Boulder's most coveted locations, where modern architecture, sophisticated design, and an irreplaceable setting come together at the base of the iconic Flatirons. Just blocks from Chautauqua Park and Boulder's legendary trail system, this exceptional home offers immediate access to some of the city's finest hiking, open space, and outdoor recreation, while remaining just minutes from the vibrant shops, restaurants, and culture of downtown Boulder. Perfectly positioned on a corner lot surrounded by trees, the home captures breathtaking Flatiron and mountain views from every level. Thoughtfully designed to create a seamless connection between indoor and outdoor living, every space feels light-filled, welcoming, and effortlessly elegant. The expansive living and dining room is anchored by a stunning floor-to-ceiling stone fireplace, creating a warm and inviting gathering space. The designer kitchen is equally impressive, featuring premium Jenn-Air appliances, a spacious center island with designer lighting, and a butler's pantry that perfectly balances beauty and functionality. Upstairs, every bedroom enjoys spectacular Flatiron views, while the luxurious primary suite serves as a private retreat complete with a beautifully appointed five-piece spa bath and refined finishes throughout. The finished walk-out lower level is bright and inviting, offering flexibility as a guest suite, multigenerational living space, or potential ADU. Outdoors, the private backyard is a peaceful, professionally landscaped oasis designed for relaxation and entertaining. In front, the thoughtfully xeriscaped yard features a fire pit where you can gather with friends while taking in the mountain views. This is a rare opportunity to own a meticulously maintained home in one of Boulder's most extraordinary settings. Offering an unmatched combination of exceptional design, breathtaking scenery, and an iconic location, this home embodies the very best of the Boulder lifestyle.
Unit Size
4,501 Ft²
Days on Market
-
Land Size
0.17 acres
Price per sqft
$833
Property Type
House
Property Taxes
$1,823
HOA Dues
-
Year Built
2015

Listed By

Janet Leap
RE/MAX of Boulder, Inc

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Last updated: 11 days ago (IRES MLS #IRE1069309)

Price History

Date / Event Date Event Price
Sep 23, 2026 Listed $3,750,000
Listed
Aug 20, 2026 No longer available -
No longer available
Apr 22, 2025 Listed $3,750,000
Listed
Step into a home where timeless design meets modern comfort, offering phenomenal Flatiron and mountain views from every level. Thoughtfully crafted with an effortless flow between indoor and outdoor spaces, this home provides a truly refreshing and inviting atmosphere. The spacious living and dining area features a gorgeous stone fireplace, perfect for cozy gatherings. A designer kitchen boasts Jenn-Air appliances, a butler's pantry, and a large island with designer lighting, blending style and functionality. Upstairs, exquisite design continues, with all bedrooms enjoying stunning Flatiron views. The primary suite is a true retreat, featuring a luxurious 5-piece bath with elegant finishes. The finished walk-out basement is light and bright, offering ADU/guest-suite potential, perfect for visitors or additional living space. Outside, the private backyard is a lush oasis, while the xeriscaped front yard features a large fire pit with panoramic mountain views. With trails and open space just feet away, this home offers an unparalleled Boulder lifestyle-a perfect balance of design, distinction, and natural beauty. DO NOT CONTACT SELLER - ACTIVE LISTING AGREEMENT IN PLACE.
Apr 4, 2025 Listed by RE/MAX of Boulder, Inc $3,850,000
Listed by RE/MAX of Boulder, Inc
Step into a home where timeless design meets modern comfort, offering phenomenal Flatiron and mountain views from every level. Thoughtfully crafted with an effortless flow between indoor and outdoor spaces, this home provides a truly refreshing and inviting atmosphere. The spacious living and dining area features a gorgeous stone fireplace, perfect for cozy gatherings. A designer kitchen boasts Jenn-Air appliances, a butler's pantry, and a large island with designer lighting, blending style and functionality. Upstairs, exquisite design continues, with all bedrooms enjoying stunning Flatiron views. The primary suite is a true retreat, featuring a luxurious 5-piece bath with elegant finishes. The finished walk-out basement is light and bright, offering ADU/guest-suite potential, perfect for visitors or additional living space. Outside, the private backyard is a lush oasis, while the xeriscaped front yard features a large fire pit with panoramic mountain views. With trails and open space just feet away, this home offers an unparalleled Boulder lifestyle-a perfect balance of design, distinction, and natural beauty.
Aug 18, 2020 Sold
Sold
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Property Highlights

Garage
Air Conditioning
Fireplace
With View
Parking Details
Has Garage
Parking Features: Attached
Garage Spaces: 2
Interior Details
Half Bathrooms: 1
Full Bathrooms: 3
Interior Features: Eat-in Kitchen, Cathedral Ceiling(s), Open Floorplan, Pantry, Walk-In Closet(s), Wet Bar, Kitchen Island, High Ceilings, Separate Dining Room, Washer/Dryer Hookup, Two Primary Suites
Appliances: Gas Range, Self Cleaning Oven, Dishwasher, Refrigerator, Bar Fridge, Washer, Dryer, Microwave, Fire Alarm
Flooring Type: Wood
Has Fireplace
Fireplace Features: Gas, Gas Log, Living Room, Family Room, Kitchen, Two or More
Basement: None
Exterior Details
Square Footage: 4501
Square Footage Source: $0
Architectural Style: Contemporary
Year Built: 2015
Levels: Two
Window Features: Window Coverings
Construction Materials: Frame, Stone, Stucco
Patio and Porch Features: Patio, Deck
Lot Features: Corner Lot, Paved, Native Grass, House Faces North, House Faces West, City Limits, Gutters
Lot Size Area: 7405.2
Lot Size Units: Square Feet
Lot Size Acres: 0.17
Lot Size Square Feet: 7405.2
Water Source: Public
Financial Details
Tax Annual Amount: $21,873
Utilities Details
Cooling Type: Central Air, Ceiling Fan(s)
Heating Type: Forced Air, Radiant
Sewer : Public Sewer

Building Info

Overview

    General

  • Year Built: 2015
  • Effective Year Built: 2015
  • Building Count: 1
  • Total Rooms: 12
  • Bedroom Count: 5
  • Bathroom Count: 5
  • Full Bathrooms: 3
  • Partial Bathrooms: 5
  • Building Condition: 7
  • Building Quality: 4
  • Construction Type: 6
  • Building Style: 2
  • Exterior Walls Type: 23
  • Interior Walls Type: 3
  • Roof Shape Type: 0
  • Roof Cover Type: 15
  • Floor Count: 200
  • Floor Cover: 0
  • Basement Type: 3
  • Basement Area: 1,437
  • Garage Type: 1
  • Garage Square Area: 506
  • Parking Space Count: 2
  • Patio Type: 0
  • Porch Type: 8
  • Pool Type: 0

    Dimensions

  • Lot Size Square Feet: 7,605
  • Total Building Area: 4,889
  • Gross Building Area: 4,889
  • Building Area: 4,383
  • Building Area Measurement: L

    Heating and Cooling

  • Air Conditioning: 1
  • Heating: 4
  • Heated Square Feet: 4,383
  • Heating Fuel Type: 0

    Utilities

  • Sewer System: 0
  • Water Service: 0

Building

  • Building Type: 0
  • Property Class: R
  • Subdivision: INTERURBAN PARK ADD RPLT A
  • Land Acres: 0000000175
  • Standard Land Use Code: 1001
  • County Land Use Code: 1112
  • Legal Description 1: LOT 1A INTERURBAN PARK ADD RPLT A

Neighborhood

  • School District Name: Boulder Valley School District RE-2
  • Census Tract: 012505

Geography

  • Account Number: R0605074
  • Parcel: R0605074
  • Lot: 1A
  • Meridian: SEC 6 TWN 1S RNG 70
  • Municipality: BOULDER
  • Latitude: 39.997
  • Longitude: -105.273

    Address

  • Full Address: 350 15th St
  • Address - House Number: 350
  • Address - Street Name: 15th
  • Address - Suffix Type: St
  • State: CO
  • City Name: Boulder
  • Carrier Code: C027
  • 4-Digit Zip Code: 7809
  • Zip Code: 80302

Valuation

    Tax

  • Tax Year: 2022
  • Tax Amount: $1,950,934
  • Initial Tax Delinquent Year: 2022
  • Tax Rate Code Area: 00-010

    Appraisal Valuation

  • Standard Deviation: 0.1503
  • Valuation Date: May 17, 2023
  • Confidence Score: 81
  • Final Value: 3,516,226
  • High Value: 4,044,781
  • Low Value: 2,987,672

    Market Valuation

  • Market Total Value: $3,432,300
  • Market Land Value: $1,041,700
  • Market Improvement Value: $2,390,600

    Assessments Valuation

  • Assessed Year: 2023
  • Assessed Total Value: $232,195
  • Assessed Land Value: $70,471
  • Assessed Improvements Value: $161,724

    Sales

  • Current Sale Contract Date: Aug 07, 2020
  • Current Sale Recording Date: Aug 18, 2020
  • Current Sale Price:
  • Current Sale Document Type: 71
  • Current Sale Input Document Number: 3807158
  • Previous Sale Recording Date: Apr 18, 2019
  • Previous Sale Contract Date: Apr 16, 2019
  • Previous Sale Amount: $2,800,000
  • Previous Sale Document Type: 71
Data used for valuation calculations is provided by RealtyHop, and other third party sources

Comparables

Unit
Status
Type
Beds
Baths
ft²
Price/ft²
Asking Price
Listed On
Closing Price
Sold On
HOA + Taxes

About Central Boulder


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Frequently Asked Questions

When was property at 350 15th Street built and last sold?
The property at 350 15th Street was built in 2015 and last sold on Aug 7, 2020 for $2,850,000.
How much is this home worth?
The estimated value of the home located at 350 15th Street is $3,715,356.
What are some comparable homes to 350 15th Street?
There are currently no comparable homes to 350 15th Street.