505 Baseline Rd is a 1,804 square foot house on a 0.5 acre lot with 3 bedrooms and 2.5 bathrooms. - it last sold on August 10, 1990 for $255,000. Based on Redfin's Boulder data, we estimate the home's value is $1,960,245.
Single-familyProperty Type
1948Year Built
0.5 acresLot Size
$1,087Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,960,245
$1.7M since sold in August 1990$20K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 15.5% lower than the average sale price ($2.32M) of 5 comparable homes.
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning and permits
Zoning
Permits
RE
Residential-Estate 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
Jul 19, 2022 • Final
Electrical / photovoltaic solar
Electrical
Jul 19, 2022 • Final
Hvac / solar water heater / wood burning
HVAC
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
Interior
Bathroom Information
# of Full Baths: 2
# of 1/2 Baths: 1
Heating & Cooling
Heating Type: Forced Air
Room Information
# of Rooms: 9
Exterior
Exterior Information
Physical Condition: Good
Building Style Type: Ranch
Construction Type: Frame
Building Construction Quality: Good
Exterior Wall: Block Painted
Building Type: Single Family
Property Information
Subdivision Name: SPACKMANS
Living Sq. Ft: 1,804
Ground Floor Sq. Ft: 1,804
Building Sq. Ft: 1,804
# of Stories: 1
Stories Type: 1
Legal Description: LOT 1 SPACKMANS & TRACT 2037 36-1N-71
Parking & Garage Information
Parking Type: Carport
Garage/Parking Sq. Ft: 294
Garage / Carport Type: Carport
Lot Information
# of Buildings: 1
Land Sq. Ft: 21,899
Legal Lot Number: 1
Municipality Name: BOULDER
Acres: 0.5027
County Use Description: 1 FAMILY RESID
Financial
Assessor Information
Assessment Year: 2025
Tax Area: RE2-BLDR-NCWD-UDFC
Public facts
Beds: 3
Baths: 2.5
Sq. Ft.: 1,804
Stories: 1.0
Lot Size: 0.5 acres
Style: Single Family Residential
Year Built: 1948
Year Renovated: 1980
County: Boulder County
APN: R0005546
Home facts updated by county records on Sep 2, 2026
Around this home
Schools
Flatirons Elementary School
Public K-5 • Assigned • 0.6mi
8/10
Manhattan Middle School Of The Arts And Academics
Public 6-8 • Assigned • 3.2mi
9/10
Boulder High School
Public 9-12 • Assigned • 1.1mi
9/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Local insights from Redfin agents
There's a distinctly European ease to Boulder — a town where café culture and mountain culture coexist effortlessly. Pearl Street's patios stay full year-round, cyclists outnumber cars on weekend mornings, and the Flatirons loom just close enough to...