About 105 W William Street
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.
Features of 105 W William Street
| MLS® # | 3315759 |
|---|---|
| Price | $1,650,000 |
| Bedrooms | 4 |
| Bathrooms | 5.00 |
| Full Baths | 3 |
| Half Baths | 2 |
| Square Footage | 2,669 |
| Acres | 0.16 |
| Year Built | 2025 |
| Type | Residential |
| Sub-Type | Single Family Residence |
| Style | Contemporary |
| Status | Active |
Community Information
| Address | 105 W William Street |
|---|---|
| Subdivision | n/a |
| City | Superior |
| County | Boulder |
| State | CO |
| Zip Code | 80027 |
Amenities
| Utilities | Cable Available, Electricity Connected, Internet Access (Wired), Natural Gas Connected |
|---|---|
| Parking Spaces | 3 |
| Parking | 220 Volts, Concrete, Electric Vehicle Charging Station(s), Exterior Access Door, Heated Garage, Insulated Garage, Storage |
| # of Garages | 3 |
| Is Waterfront | No |
| Has Pool | No |
Interior
| Interior Features | Ceiling Fan(s), High Ceilings, Kitchen Island, Open Floorplan, Pantry, Walk-In Closet(s) |
|---|---|
| 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 |
| Heating | Forced Air |
| Cooling | Central Air |
| Fireplace | No |
| Stories | One |
Exterior
| Exterior Features | Gas Valve, Lighting, Private Yard, Rain Gutters, Smart Irrigation |
|---|---|
| Lot Description | Irrigated, Landscaped |
| Windows | Double Pane Windows |
| Roof | Shingle |
| Foundation | Concrete Perimeter |
School Information
| District | Boulder Valley RE 2 |
|---|---|
| Elementary | Monarch K-8 |
| Middle | Monarch K-8 |
| High | Monarch |
Additional Information
| Date Listed | September 18th, 2025 |
|---|---|
| Foreclosure | No |
| Short Sale | No |
| RE / Bank Owned | No |
Listing Details
| Office | eXp Realty, LLC |
|---|