Boulder County property record for 4551 Flagstaff Rd, Boulder, CO 80302
| Property Type | Exempt (Full or Partial) |
|---|---|
| Lot Size | 247 acres (10,785,843 sqft) |
| Owner | Company Name on Record |
| Last Sale | $170,000 (Oct 1986) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1579-03-0-00-007 |
| Primary APN | 1579-03-0-00-007 |
|---|---|
| Alternative APNs |
|
| Lot Area | 10,785,843 sqft |
|---|
| Account Number | R0024529 |
|---|---|
| Street Address | 4551 FLAGSTAFF RD |
| City | BOULDER |
| State | CO |
| Zip | 80302-9512 |
| Property Category | Other |
| Property Type | Other > Exempt (Full or Partial) |
| Local Zoning Code | F |
| Legal Description | 257.84 AC M/L 3-1S-71 GOV LOTS 5 6 7 8 9 10 & 11 PER REC 798991 10/22/86 BCR |
| Legal Range | 71 |
| Legal Township | 1S |
| Legal Section | 03 |
| Legal Subdivision | TR, NBR 901 NEDERLAND AREA |
| Legal Block | 3 |
| Legal Lot Number | 3,5 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BALD MOUNTAIN |
| Census Block Group | 3 |
| Census Block | 3000 |
| Census Tract | 13706 |
Source: Boulder County records, as of September 18, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | 1777 BROADWAY, BOULDER, CO 80302-6220 |
| Owner Type | Company |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Oct 22, 1986 · Amount on Record |
| Deed Sale | Oct 22, 1986 · Amount on Record |
| Prior Sale | May 1, 1974 |
| Deed Document Number | 1986798991 |
| Record Updated | Oct 29, 2026 |
Source: Boulder County assessment roll, as of September 18, 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 | $182 (-3.7%) Land $182 | $700 (-) Land $700 | |
| 2025 | Additional exemption filed | $189 (-83.48%) Land $189 | $700 (-82.93%) Land $700 |
| 2023 | Additional exemption filed | $1,144 Land $1,144 | $4,100 Land $4,100 |
Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.
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 |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 4 in force |
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 97.7% of the US · above 99.4% of Colorado |
|---|---|
| Wildfire Likelihood | 2% annual chance |
| Exposure | Direct burnable vegetation |
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, as of December 31, 2025
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