Public Remarks: Beautiful Dutch Colonial on exceptional Corner lot set high above street w/ Flatirion views overlooking delightful neighborhood pocket Park from wonderful covered veranda. Charming interior awaiting your renovation ideas. Features 10 Ft. ceilings, hardwood floors, spacious kitchen w/ Sub Zero, gas range, cozy FR, Formal, DR &LR, Guest BDR & study or 4th BDR on main level. Spacious MSTR w/ his/her walk-in closets and 2nd BDR up. Includes washer/dryer.Gorgeous. Gardner's delight,private yard!
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Public record
Public record
Zoning
Permits
Beds
4
Baths
2
Stories
—
Lot width
—
Lot depth
—
Lot size
5,018 Sq. Ft.
Year renovated
1990
Sq. Ft.
2,396
Year built
1925
Style
Single Family Residential
County
Boulder County
APN
R0002565
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Sep 2, 2026.
RL-1
Residential-Low 1 District
Primarily single-family detached dwelling units with some duplexes and attached dwelling units at low to very low residential densities.
Permitted uses
Include but are not limited to:
Religious facility
Housing-Multiple units
Educational/school
Recreation
Agriculture-Cropland
Park & open space
Jan 20, 2029 • Active
Mechanical - hvac with electrical
Electrical
HVAC
Dec 3, 2025 • Final
Electrical temporary construction power
Electrical
Permit history is from public records and may be incomplete or inaccurate. Redfin and its agents make no representations about the property condition or permit status. Buyers should independently verify all information.
Property details
Parking
Parking Features
Covered Spaces: 1
Garage: Yes
Garage Spaces: 1
Interior
Bathroom Information
Bathrooms (Full): 2
Bathrooms (Half): 0
Bathrooms (Three Quarter): 0
Bedroom Information
Bedrooms Total: 4
Heating & Cooling
Cooling: Yes
Ceiling Fan(s)
Heating: Yes
Baseboard
Interior Features
Gas Range/Oven, Dishwasher, Refrigerator
Flooring: Wood Floors
Study Area, Eat-in Kitchen, Separate Dining Room
Laundry Features: Washer/Dryer Hookups, Main Level
Room Information
Basement: None
Exterior
Exterior Features
Fencing: Partial, Wood
Patio and Porch Features: Patio
Roof: Composition
Pool Information
Spa: Yes
Spa Features: Bath
Lot Information
Horse(s): No
Lot Features: Lawn Sprinkler System, Corner Lot, Sloped
Other Structures: Storage
Road Frontage Type: City Street
Zoning: RL-1
Property Information
Property Type: Residential
View: Yes
Waterfront: No
Subdivision Information
Subdivision Name: Winkle House PUD
MLS Area Major: Boulder
Building Information
Above Grade Finished Area: 2120
Building Area Total: 2120
Construction Materials: Brick/Brick Veneer, Wood Siding
Financial
Tax Information
Parcel Number: R0002565
Tax Annual Amount: 4716
Tax Year: 2009
Financial Information
Listing Terms: Cash, Conventional
Utilities
Utility Information
Utilities: Natural Gas Available, Electricity Available, Cable Available
Electric: Electric,Xcel
Gas: Natural Gas,Xcel
Sewer: City Sewer
Location
HOA Information
Association: No
Association Fee: 0
School Information
High School District: Boulder Valley Dist RE2
Elementary School: Whittier
Middle or Junior School: Casey
High School: Boulder
Location Information
Directions: From Broadway and Pearl, north on Broadway to Mapleton, east on Maplton to 18th. House is on north east corner of Mapleton and 18th Street.
Unparsed Address: 1803 Mapleton Ave Boulder CO 80304
Street Number: 1803
Street Name: Mapleton
Street Suffix: Ave
City: Boulder
State or Province: CO
County or Parish: Boulder
Country: US
Postal Code: 80304
Coordinates: -105.273009,40.022579
Latitude: 40.022579
Longitude: -105.273009
Public facts
Beds: 4
Baths: 2.0
Sq. Ft.: 2,396
Stories: —
Lot Size: 5,018 square feet
Style: Single Family Residential
Year Built: 1925
Year Renovated: 1990
County: Boulder County
APN: R0002565
Home facts updated by county records on Sep 2, 2026
Other
Listing Information
Attribution Contact: 3034493434
Close Price: $732,400
Photos Count: 16
Possible Use: Single Family
Special Listing Conditions: Private Owner
Standard Status: Closed
Listing Date Information
Close Date: Thursday, June 24, 2010
Cumulative Days on Market: 328
Days on Market: 328
Listing Contract Date: Thursday, July 9, 2009
Modification Timestamp: Friday, July 26, 2024 5:03 AM