Boulder County property record for 5203 Flagstaff Rd, Boulder, CO 80302 · Last verified June 2026
| Property Type | Single Family Home |
|---|---|
| Details | 1 bd · 1 ba · 864 sqft · built 1979 |
| Lot Size | 9.5 acres (414,125 sqft) |
| Owner | Individual Name on File |
| Last Sale | $343,600 (Feb 2014) |
| Tax Bill | $3,918 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1579-10-0-00-029 |
| Primary APN | 1579-10-0-00-029 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 1 Bed |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 4 Rooms |
| Stories | 2 Stories |
| Building Area | 864 sqft Living Area |
| 1st Floor Area | 544 sqft |
| Upper Floors Area | 320 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1979 |
|---|---|
| Effective Year Built | Effective 1979 |
| Architectural Style | A-Frame |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Lot Area | 414,125 sqft |
| Porch | Porch |
| Porch Area | 224 sqft |
| Account Number | R0024449 |
|---|---|
| Street Address | 5203 FLAGSTAFF RD |
| City | BOULDER |
| State | CO |
| Zip | 80302-9580 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TR 4891 10-1S-71 9.68 AC M/L |
| Legal Range | 71 |
| Legal Township | 1S |
| Legal Section | 10 |
| Legal Subdivision | TR, NBR 910 WALKER RANCH AREA |
| Legal Tract | 4891 |
| Legal Block | 4 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 4 |
| Census Block | 4007 |
| Census Tract | 12510 |
Source: Boulder County records · APN 1579-10-0-00-029
Assessment roll updated June 15, 2026 · Last verified June 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 5203 FLAGSTAFF RD, BOULDER, CO 80302-9580 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Feb 03, 2014 · Amount on Record |
| Deed Sale | Feb 03, 2014 · Amount on Record |
| Prior Sale | Nov 28, 1973 · Amount on Record |
| Deed Document Number | 20143364495 |
| Record Updated | Sep 20, 2026 |
Source: Boulder County records · Assessment roll updated June 15, 2026 · Last verified June 2026
| Type | Name |
|---|---|
| State | Colorado |
| County | Boulder County |
| Unified School District | Boulder Valley School District RE-2 (PK - 12) |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $42,996 (+8.8%) Land $12,607 Building $30,389 | $632,300 (-) Land $185,400 Building $446,900 | |
| 2025 | $3,918.00 (+4.34%) | $39,519 (-12.84%) Land $11,588 Building $27,931 | $632,300 (-6.56%) Land $185,400 Building $446,900 |
| 2023 | $3,755.00 (+19.62%) | $45,339 (+39.75%) Land $16,194 Building $29,145 | $676,700 (+44.97%) Land $241,700 Building $435,000 |
| 2022 | $3,139.00 | $32,443 Land $9,779 Building $22,664 | $466,800 Land $140,700 Building $326,100 |
Source: FEMA National Flood Hazard Layer, Boulder County (08013C), updated October 14, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 080130125104, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Flood Insurance Cost | Premium on Record median of 33 individual NFIP policies nearby |
| 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, river or lake flooding, Severe Storms, Flooding, Landslides, And Mudslides |
| Claims By Storm |
|
| Wildfire Risk | Extreme above 97% of the US · above 99% of Colorado |
|---|---|
| Wildfire Likelihood | About 1 in 59 per year |
| Exposure | Direct burnable vegetation at the parcel |
Insurers in high-risk areas may require mitigation or decline coverage; check availability before making an offer.
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: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 5 locations within about half a mile of this property, a small sample
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Ayva | Fixed Wireless (unlicensed) | 2,500 / 2,500 |
| Visionary Communications | Fixed Wireless (licensed-by-rule) | 100 / 20 |
| Starlink | Satellite (low-earth orbit) | 280 / 30 |
May also be available at this address: JAB Wireless. Availability varies by address; speeds are provider-advertised maximums, not measured.
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