6511 Flagstaff Rd is a 2,052 square foot house on a 2.7 acre lot with 3 bedrooms and 1.5 bathrooms. - it last sold on February 22, 1984 for $90,000. Based on Redfin's Boulder data, we estimate the home's value is $1,002,172.
Single-familyProperty Type
1967Year Built
2.7 acresLot Size
$488Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,002,172
$912K since sold in February 1984$181K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 4.4% lower than the average sale price ($1.05M) of 4 comparable homes.
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning
F
Forestry District
Rural areas established for the purpose of efficiently using land to conserve forest resources, protect the natural environment, and preserve open areas.
Permitted uses
Include but are not limited to:
Agriculture
Equestrian facility
Livestock production
Housing-Group
Housing-Single unit
Bed & breakfast
Office
Public service
Communications tower
Park & open space
Property details
Interior
Basement Information
Basement Sq. Ft: 846
Basement Finish: Finished
Basement Type: Walk Out
Bathroom Information
# of Full Baths: 1
# of 1/2 Baths: 1
Heating & Cooling
Heating Type: Hot Water
Room Information
# of Rooms: 5
Exterior
Exterior Information
Physical Condition: Average
Building Style Type: Ranch
Construction Type: Frame
Building Construction Quality: Average
Exterior Wall: Frame Wood
Building Type: Single Family
Property Information
Subdivision Name: WALKER RANCH AREA
Living Sq. Ft: 2,052
Ground Floor Sq. Ft: 1,520
Building Sq. Ft: 2,366
# of Stories: 1
Stories Type: 1
Legal Description: TR 3891 15-1S-71 PER DEED 975595 4/4/89 BCR
Parking & Garage Information
Parking Type: Basement Garage
Garage/Parking Sq. Ft: 384
Garage / Carport Type: Basement
Lot Information
# of Buildings: 1
Land Sq. Ft: 117,448
Municipality Name: MOUNTAIN
Acres: 2.6962
Zoning Code: F
County Use Description: 1 FAMILY RESID
Financial
Assessor Information
Assessment Year: 2025
Public facts
Beds: 3
Baths: 1.5
Sq. Ft.: 2,052
Stories: 1.0
Lot Size: 2.7 acres
Style: Single Family Residential
Year Built: 1967
Year Renovated: 1971
County: Boulder County
APN: R0023951
Home facts updated by county records on Sep 2, 2026
Around this home
Schools
Flatirons Elementary School
Public K-5 • Assigned • 3.7mi
8/10
Manhattan Middle School Of The Arts And Academics
Public 6-8 • Assigned • 5.9mi
9/10
Boulder High School
Public 9-12 • Assigned • 4.3mi
9/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
1/10 Flood Factor
Minimal risk of a flood reaching the building in the next 30 years
6/10 Fire Factor
8% chance of being in a wildfire in next 30 years
1/10 Heat Factor
2 days above 85° expected this year, 5 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
2/10 Air Factor
2 unhealthy days expected this year, 2 days in 30 years
Provided by First Street
Historical weather
Boulder, CO • 80302
Average low and high temperatures (°F)
37
18
45
25
54
34
54
34
60
41
74
53
80
59
78
58
73
51
62
42
49
32
47
30
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
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Oct
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Dec
Sun exposure
In this area, properties receive around 10.1 hours in
June and 6.1 hours in December, placing it above the
U.S. average for solar exposure.
10.1 hrs
6.1 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$953,000 – $1.15M
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