970.232.4844
 | 
Login Account
 | 
Sign Up
Home » Real Estate » CO » Superior » 80027 » 403 W William St, Superior, CO, 80027
$2,400,000

403 W William St, Superior, CO, 80027

7 Beds
7 Baths
5,291 Square Feet
Welcome to this stunning custom home offering walkable convenience and refined living, complete with a finished basement and fully independent ADU. Move-in ready with designer blinds and mature landscaping. Step out the back door to Whole Foods, Super Target, the McCaslin RTD station, and the newly rebuilt Founder's Park. From the front, enjoy Downtown Superior and miles of open space trails. Located on a corner lot, the home features an open floor plan, seamless indoor-outdoor living, and mountain views. Generous rooms, sweeping windows, and 10-foot ceilings throughout fill the home with natural light. The main level includes rich wood flooring, a great room with fireplace, and a chef's kitchen that includes a large island and striking countertops. Between the home and garage, a secluded landscaped courtyard patio with privacy fencing creates a blissful outdoor retreat. A custom floating staircase leads to two spacious upstairs bedrooms that are in addition to the primary suite---each with its own bath, plus a laundry room and sitting area opening to a covered balcony. The primary suite offers a five-piece bath with soaking tub, Porcelanosa-tiled walk-in shower, and expansive walk-in closet. A main-level ensuite bedroom provides flexible living and use options. The finished basement adds a rec room, wet bar, gym space, and two bedrooms.The detached two-car garage includes a finished ADU with bedroom, bath, full kitchen, washer/dryer, and balcony---ideal for guests, office, or rental use. Extras include fire sprinkler suppression system, indoor and outdoor EV charging, and hot tub. Turnkey home with quick access to Highway 36, Boulder, Denver, and DIA!
Offered By
Tommy Lorden, Buyers' Slice Realty

Property Details

Property Type Residential
Status Coming Soon
Bedrooms 7
Bathrooms (Full) 5
Property Sub Type Mixed Use
Square Feet 5,291
MLS # 1053262
Bathrooms (¾) 1
Bathrooms (Half) 1

Market Trends

New Properties On Market
52
63% Increase In New Listings
Average Asking Price
$1,045,899
$103,328 Increase In Avg Asking Price
Average Asking Price / Sq. Ft.
$401
$12 Decrease In List Price/Sq. Ft.
Average Days On Market
15
21 Day Decrease In Days On Market
Data as of Mar 14, 2026. Remaining statistics above are calculated on activity within the period from Jan 01, 2026 to Feb 28, 2026.

Mortgage Calculator
The information provided by this calculator is for illustrative purposes only and accuracy is not guaranteed. The values and figures shown are hypothetical and may not be applicable to your individual situation. Be sure to consult a financial professional prior to relying on the results. This calculator does not have the ability to pre-qualify you for any mortgage or loan program. Qualification for mortgages or loans requires additional information such as credit scores and existing debts which is not gathered in this calculator. Information such as interest rates and pricing are subject to change at any time and without notice. All information such as interest rates, taxes, insurance, monthly mortgage payments, etc. are estimates and should be used for comparison only.


Purchase Price
Loan Type
Down Payment
HOA Dues
Interest Rate
Estimated Property Taxes
Homeowner's Insurance
Private Mortgage Insurance