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Home » Real Estate » CO » Superior » 80027 » 405 W William St, Superior, CO, 80027
$1,695,000

405 W William St, Superior, CO, 80027

6 Beds
6 Baths
4,845 Square Feet
BRAND NEW MODERN HOME in the "New" Old Town Superior with a 600 SQFT ADU/Apartment above the 2-car detached garage. This stunning home features a thoughtful, open concept floor plan with high-end modern finishes thru-out & ideally located a short walk to extensive trails, open space, shopping, Whole Foods & Downtown Superior. Main floor boasts extensive white oak flooring, 10' ceilings & a Gourmet/Chef's kitchen open to the living/dining areas with gas fireplace, huge center island with seating area, wine fridge & top of line JennAir appliances & designer light fixtures thru-out. Main floor bedroom/office with ensuite bath. Upper floor boasts a spacious primary suite w/ vaulted ceilings, HUGE walk-in closet with direct access to the laundry room & luxury 5-piece spa bath with dual vanities, soaking tub & huge walk-in shower. 2 additional bedrooms up share a Jack & Jill full bath. Plenty of room to spread out & enjoy game day in the nicely finished lower level with 11' ceilings, massive rec room with expansive wet bar & a 5th bedroom with full bath. Above the 2-car detached garage with a separate private entrance is the 600 SQFT ADU/Apartment which includes a 1 bedroom, 1 bath, living room, full kitchen, washer/dryer hookups & balcony with mountain views is the ideal & private space for guests, or an excellent opportunity to generate rental income & offset your mortgage! 1 block to Founders Park, easy access to DownTown Superior & enjoy concerts in the parks, 10 minutes to Boulder or 20 minutes to Denver. LOCATION, LOCATION, LOCATION! 1-year builder warranty & 10-year structural warranty!
Offered By
Kelly Atteridg kellya@boulderco.com,303-441-5627, RE/MAX of Boulder

Property Details

Property Type Residential
Status Closed
Bedrooms 6
Bathrooms (Full) 3
Property Sub Type Residential-Detached
Square Feet 4,845
MLS # 3112283
Bathrooms (¾) 2
Bathrooms (Half) 1

Market Trends

New Properties On Market
58
100% Increase In New Listings
Average Asking Price
$901,162
$12,811 Increase In Avg Asking Price
Average Asking Price / Sq. Ft.
$392
$80 Increase In List Price/Sq. Ft.
Average Days On Market
17
27 Day Decrease In Days On Market
Data as of Oct 10, 2025. Remaining statistics above are calculated on activity within the period from Aug 01, 2025 to Sep 30, 2025.

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Information deemed reliable but not guaranteed by the MLS. Listing information is provided exclusively 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 Source: Information and Real Estate Services, LLC. Provided for limited non-commercial use only under IRES Rules. © 2025 IRES. Property data was last updated on 10/1/2025 at 4:54 am