105 W William Street Superior, CO ^$ 1,599,000

105 W William Street

^$ 1,599,000

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New Construction

105 W William Street

Superior, CO, 80027

^$ 1,599,000

Bedrooms4 Baths3.2 Sq 2,669

Monthly Estimate*

^$ 9,976

Listed by eXp Realty, LLC

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Single Family Home for sale in Superior, CO

for $1,599,000 with 4 bedrooms and 3 full baths, 2 half baths. This 2,669 square foot home was built in 2025 on a lot size of 0.16.

This impeccably designed Scandinavian ranch-style home, created by Unum Collective and built by Against the Grain Builders, offers the perfect blend of modern elegance and functional design in Old Town Superior. The home includes a 3-car garage with custom cabinetry and an electric vehicle charger, plus a nearly 700 sq ft ADU with vaulted ceilings, a full bath, and bar-top island, ideal for guests, rental income, or additional living space. With soaring vaulted ceilings and an open floor plan, the home is bathed in natural light through expansive windows, complemented by beautiful oak flooring throughout. The spacious primary suite features large windows, a freestanding tub, and a curbless walk-in shower for a luxurious spa experience. A dedicated office with a private exterior entrance provides a quiet space for work or meetings, while the mudroom with custom lockers ensures convenient organization. The chef’s kitchen boasts custom European-style walnut cabinetry, a paneled 30" Sub-Zero refrigerator, and premium Bosch appliances, with a large island featuring bar-top seating for casual dining. The professionally landscaped backyard offers privacy and a peaceful setting for outdoor living. A true masterpiece of Scandinavian design and craftsmanship, this home offers luxurious, move-in-ready living in one of Old Town Superior’s most sought-after locations.

Single Family Pending

Price

^$ 1,599,000

Bedrooms

Full Bath

Half Bath

Property Type

Single Family

Taxes

^$ 1,166

Style

Contemporary

Lot Size

0.16

Year Built

2025

Town/City

Superior

County/Region

Boulder

MLS | Web ID

3315759

Features

Interior

Interior Amenities Ceiling Fan(s) High Ceilings Kitchen Island Open Floorplan Pantry Walk-In Closet(s)

Flooring Wood

Furnished Y/N Unfurnished

Basement (Y/N) N

Window Features Double Pane Windows

Above Grade Finished Area 2669

Half Baths 2

1/4 Baths 0

3/4 Baths 0

Total Bedrooms 4

Main Level Bedrooms 3

Main Level Bathrooms 4

Total Baths 5

General

Sewer Public Sewer

Heating Forced Air

Cooling Central Air

Utilities Cable Available Electricity Connected Internet Access (Wired) Natural Gas Connected

Roof Shingle

Appliances Dishwasher Disposal Double Oven Dryer Freezer Gas Water Heater Microwave Oven Range Range Hood Refrigerator Self Cleaning Oven Smart Appliance(s) Sump Pump Washer

Garage Spaces 3

Patio/Porch Features Patio

Architectural Style Contemporary

Security Features Carbon Monoxide Detector(s) Smart Cameras Smoke Detector(s) Video Doorbell

Construction Materials Cement Siding

Exclusions Staging Items

Year Built 2025

Electric Single Phase

Levels One

Property Subtype Single Family Residence

Tax Year 2024

Ownership Corporation/Trust

County Boulder

Property Type Residential

HOA N

Attached Garage N

Contingency None Known

Energy Efficient Appliances Construction Doors Exposure/Shade HVAC Insulation Lighting Roof Thermostat Water Heater Windows

Subdivision Name n/a

Full Baths 3

Status Pending

High School Monarch

City Superior

Senior Community Y/N N

High School District Boulder Valley RE 2

Lot Size Units Square Feet

Lot Size Square Feet 7000

Carport Spaces 0

Listing Terms Cash Conventional Jumbo

Elementary School Monarch K-8

Tax Annual Amount 1166

Home Warranty Y/N Y

Middle/Junior High School Monarch K-8

Property Condition New Construction

Structure Type House

Standard Status Pending

Occupancy Type Vacant

Middle/Junior School District Boulder Valley RE 2

Elementary School District Boulder Valley RE 2

Exterior

Exterior Amenities Gas Valve Lighting Private Yard Rain Gutters Smart Irrigation

Fencing Partial

Parking Features 220 Volts Concrete Electric Vehicle Charging Station(s) Exterior Access Door Heated Garage Insulated Garage Storage

Lot Features Irrigated Landscaped

Water Source Public

Total Parking 3

Lot Size Area 7000

Foundation Details Concrete Perimeter

Building Area Total 2669

Lot Size Acres 0.16

Road Surface Type Paved

Road Frontage Type Public

Road Responsibility Public Maintained Road

Internal Only

Street Number 1 105

* Excluded Features

List By

Exp Realty, Llc

Broker

(720) 345-3282

Phone

Affordability Calculator

$10,073

Per Month

Monthly Principal & Interest: $9,976
Monthly Property Taxes: $97
Monthly Home Insurance: --

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Down Payment

Loan Term

Interest Rate

Yearly Property Taxes

Yearly Home Insurance

Default based on a 30-year fixed rate of 6.375% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.

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Nearby

Trends
Schools

Single family listings in Superior, CO

Average List Price ^$1,072,075

Percent of Sale Price 33%

About Superior, CO

13,423 Population

49% Since 2002

^$115,382 Median Income

35.67 Median Age

41% Households with Children

View more area information

Trends Information provided by ATTOM Data Solutions.

3043378 Elementary School

1956482 Middle School

Monarch High School High School

See complete school information

Pricing History

Date	Price	Price Change	Description
10/29/2025	$1,599,000	-3.09%	Price Down
9/18/2025	$1,650,000		Listed Price

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105 W William Street, Superior, CO, 80027 is a Single Family Home for sale at $1,599,000 with 2,669 sqft and a lot size of 0.16. 105 W William Street has 4 bedrooms, 3.2 baths, and was built in 2025. The property's zip code is 80027 which is in Superior, CO

*Information deemed reliable but not guaranteed.

Financial calculator disclaimer: Default based on a 30-year fixed rate of 6.375% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.

The data relating to real estate on this web site comes in part from the Internet Data eXchange (IDX) Program of the REcolorado. Real estate listings held by firms other than Weichert Realtors are marked with the IDX logo and detailed information about them includes the Listing Broker’s Firm Name.

The information being provided is for consumers personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.

Data is updated as of 12/7/2025.

This publication is designed to provide information with regard to the subject matter covered. It is displayed with the understanding that the publisher and authors are not engaged in rendering real estate, legal, accounting, tax, or other professional services and that the publisher and authors are not offering such advice in this publication. If real estate, legal, or other expert assistance is required, the services of a competent, professional person should be sought.

The information contained in this publication is subject to change without notice. REcolorado. MAKES NO WARRANTY OF ANY KIND WITH REGARD TO THIS MATERIAL, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. REcolorado. SHALL NOT BE LIABLE FOR ERRORS CONTAINED HEREIN OR FOR ANY DAMAGES IN CONNECTION WITH THE FURNISHING, PERFORMANCE, OR USE OF THIS MATERIAL.

PUBLISHER’S NOTICE: All real estate advertised herein is subject to the Federal Fair Housing Act and the Colorado Fair Housing Act, which Acts make it illegal to make or publish any advertisement that indicates any preference, limitation, or discrimination based on race, color, religion, sex, handicap, familial status, or national origin.

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105 W William Street

Single Family Home for sale in Superior, CO

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