Boulder County property record for 6511 Flagstaff Rd, Boulder, CO 80302
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.5 ba · 2,052 sqft · built 1967 |
| Lot Size | 2.69 acres (117,448 sqft) |
| Owner | 2 Individual Names on Record |
| Tax Bill | $3,809 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1579-15-0-00-009 |
| Primary APN | 1579-15-0-00-009 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 2,052 sqft Living Area |
| Gross Area | 2,750 sqft |
| 1st Floor Area | 1,520 sqft |
| Basement Area | 846 sqft |
| Finished Basement | 532 sqft |
| Unfinished Basement | 314 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1967 |
|---|---|
| Effective Year Built | Effective 1971 |
| Architectural Style | Ranch |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Lot Area | 117,448 sqft |
| Garage Type | Attached |
| Garage Area | 384 sqft |
| Parking Spaces | 1 Parking Space |
| Deck Area | 288 sqft |
| Heating System | Hot Water |
|---|
| Account Number | R0023951 |
|---|---|
| Street Address | 6511 FLAGSTAFF RD |
| City | BOULDER |
| State | CO |
| Zip | 80302-9514 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | F |
| Legal Description | TR 3891 15-1S-71 PER DEED 975595 4/4/89 BCR |
| Legal Range | 71 |
| Legal Township | 1S |
| Legal Section | 15 |
| Legal Subdivision | TR, NBR 910 WALKER RANCH AREA |
| Legal Tract | 3891 |
| Legal Block | 4 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 4 |
| Census Block | 4009 |
| Census Tract | 12510 |
Source: NPS National Register of Historic Places, as of August 1, 2026
| Historic District | Within the Walker Ranch Historic District listed 1984 · 23 contributing resources · NRIS 84000798 |
|---|
Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.
Source: Boulder County records, as of June 15, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on Record |
|---|---|
| Mailing Address | 6511 FLAGSTAFF STAR ROUT, BOULDER, CO 80302 |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Apr 3, 1989 |
| Deed Sale | Apr 3, 1989 |
| Deed Document Number | 1989975595 |
| Last Transfer Date | Jun 20, 2016 |
| Transfer Doc | 0003525068 |
| Record Updated | Sep 20, 2026 |
Source: Boulder County assessment roll, as of June 15, 2026
| Type | Name |
|---|---|
| State | Colorado |
| County | Boulder County |
| Unified School District | Boulder Valley School District RE-2 (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $48,606 (+8.8%) Land $6,589 Building $42,017 | $714,800 (-) Land $96,900 Building $617,900 | |
| 2025 | $3,809.00 (+3.17%) | $44,675 (-12.97%) Land $6,056 Building $38,619 | $714,800 (-6.71%) Land $96,900 Building $617,900 |
| 2023 | $3,692.00 (+26.18%) | $51,335 (+38.01%) Land $8,522 Building $42,813 | $766,200 (+43.16%) Land $127,200 Building $639,000 |
| 2022 | $2,926.00 | $37,196 Land $5,129 Building $32,067 | $535,200 Land $73,800 Building $461,400 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
Source: FEMA National Flood Hazard Layer, effective October 14, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record median of 33 policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 33 in force |
| Nearby Flood Claims | 14 (1995–2013) |
| Claims Outside the SFHA | 8 of 14 |
| Most Recent Claim | Sep 2013 · Severe Storms, Flooding, Landslides, And Mudslides |
| Claims by Event |
|
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Extreme above 98.3% of the US · above 99.6% of Colorado |
|---|---|
| Wildfire Likelihood | 2% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
Insurers in high-risk areas may require mitigation or decline coverage; check availability before making an offer.
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: FCC Broadband Data Collection, based on 20 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Ayva Networks Fixed Wireless | 2,500 / 2,500 |
| Visionary Broadband Fixed Wireless | 200 / 20 |
| Rise Broadband Fixed Wireless | 50 / 10 |
May also be available: Magnolia Road Internet Cooperative.
5G and 4G LTE (outdoors only)
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