Historic Old Town Lafayette charm meets modern living on E Simpson! Home and ADU!! This beautifully reimagined and remodeled 3BD/2BA home offers timeless hardwood floors throughout, and a primary suite with vaulted ceilings, bright skylights, and double doors opening directly to the relaxing back deck. The property also features a ~500 sq ft ADU with its own kitchen, laundry, A/C, radiant heating, and private alley access, plus a 2-car garage/workshop and a unique elevated treehouse with electricity, perfect for a creative studio or bonus office. Enjoy raised garden beds and mature shade trees, all just a stroll from vibrant cafes, shops, and dining. The ADU offers exceptional flexibility as a rental, guest suite, or work-from-home space. A rare combination of historic character, modern updates, and incredible versatility in one of Lafayette’s most walkable neighborhoods.
Property Details
Price:
$925,000
MLS #:
RECIR1066093
Status:
Active
Beds:
4
Baths:
3
Type:
Single Family
Subtype:
Single Family Residence
Subdivision:
Old Town
Finished Sq Ft:
1,988
Total Sq Ft:
1,988
Lot Size:
6,963 sqft / 0.16 acres (approx)
Year Built:
1900
Schools
School District:
Boulder Valley RE 2
Elementary School:
Sanchez
Middle School:
Angevine
High School:
Centaurus
Interior
Above Grade Finished Area
1988
Appliances
Dishwasher, Disposal, Dryer, Oven, Refrigerator, Washer
Bathrooms
3 Full Bathrooms
Cooling
Air Conditioning-Room, Ceiling Fan(s)
Heating
Forced Air
Interior Features
Eat-in Kitchen, Open Floorplan
Levels
One
Main Level Bathrooms
2
Main Level Bedrooms
3
Exterior
Architectural Style
Contemporary
Construction Materials
Frame
Direction Faces
North
Fencing
Fenced
Garage Spaces
2
Lot Features
Sprinklers In Front
Parking Spots
2
Parking Total
2
Patio And Porch Features
Deck
Roof
Composition
Security Features
Smoke Detector(s)
View
City
Window Features
Double Pane Windows, Window Coverings
Financial
Tax Year
2025
Taxes
$4,657
Map
Contact Us
Mortgage Calculator
Property Summary
- Located in the Old Town subdivision, 504 E Simpson Street #A & B Lafayette CO is a Single Family for sale in Lafayette, CO, 80026. It is listed for $925,000 and features 4 beds, 3 baths, and has approximately 1,988 square feet of living space, and was originally constructed in 1900. The current price per square foot is $465. The average price per square foot for Single Family listings in Lafayette is $384. The average listing price for Single Family in Lafayette is $1,255,953. To schedule a showing of MLS#recir1066093 at 504 E Simpson Street #A & B in Lafayette, CO, contact your Smart Sale AI agent at 3039066915.
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Additional Details
MLS ID : RECIR1066093
Listing Key : REC2056138818
Parcel Number : R0020083
Zip Code : 80026
City : Lafayette
State : CO
Building if Condo :
Full Street: 504 E Simpson Street #A & B
Address : 504
Address Prefix :
Address Suffix : Street
Street : Simpson
Street Prefix : E
Street Suffix :
Unit if Condo : A & B
Latitude : 39.998070
Longitude : -105.084930
Property Type : singlefamily
Property Sub Type : Single Family Residence
Stories Total if Condo :
Lot Size : 6,963 sqft / 0.16 acres (approx)
Ownership : Individual
Zoning : RES
Condition :
Renovation :
Pets Allowed :
Special Conditions :
Possession : Close Plus 3 Days
Original Price : 925000
Close Price :
Close Date :
List Date : Aug 8, 2026
List Contract Date : 2026-08-08
Off Market Date :
Purchase Contract Date :
Days on Market : 22
Concessions Amount :
Concession Comment :
Renovation :
Company : Rhae Group Realty
Copyright 2026. All rights reserved.
504 E Simpson Street #A & B
Lafayette, CO