Boulder County property record for 1500 Knox Dr, Boulder, CO 80305
| Property Type | Exempt (Full or Partial) |
|---|---|
| Details | 62,000 sqft · built 1970 |
| Lot Size | 21.3 acres (930,769 sqft) |
| Owner | Company Name on File |
| Flood Zone | Zone X (minimal risk) |
| APN | 1577-08-4-00-004 |
| Primary APN | 1577-08-4-00-004 |
|---|---|
| Alternative APNs |
|
| Stories | 1 Story |
|---|---|
| Building Area | 62,000 sqft |
| 1st Floor Area | 62,000 sqft |
| Year Built | Built 1970 |
|---|---|
| Effective Year Built | Effective 1970 |
| Construction Type | Brick |
| Lot Area | 930,769 sqft |
| Cooling System | Package A/C |
|---|---|
| Heating System | HVAC |
| Account Number | R0085495 |
|---|---|
| Street Address | 1500 KNOX DR |
| City | BOULDER |
| State | CO |
| Zip | 80305-6617 |
| Property Category | Other |
| Property Type | Other > Exempt (Full or Partial) |
| Legal Description | TRS 2846 & 2845 S 1/2 SE 1/4 8-1S-70 BO & TR 3215 SOUTHERN HILLS JR HIGH |
| Legal Range | 70 |
| Legal Township | 1S |
| Legal Section | 08 |
| Legal Subdivision | TR, 194-198 - COMMERCIAL |
| Legal Tract | 2846,2845, |
| Legal Block | 1 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 1 |
| Census Block | 1018 |
| Census Tract | 12509 |
1500 Knox Dr is owned by a company that acquired it in November 1960.
Source: Boulder County records, as of September 18, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 6500 ARAPAHOE RD, BOULDER, CO 80303-1407 |
| Owner Type | Company |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Nov 14, 1960 |
| Deed Sale | Nov 14, 1960 |
| Deed Document Number | 1960663109 |
| Record Updated | Oct 29, 2026 |
Source: Boulder County assessment roll, as of September 18, 2026
| Type | Name |
|---|---|
| State | Colorado |
| County | Boulder County |
| Municipality | Boulder City |
| Unified School District | Boulder Valley School District RE-2 (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $1,790,100 (-3.7%) Land $1,341,600 Building $448,500 | $6,885,000 (-) Land $5,160,000 Building $1,725,000 | |
| 2025 | Additional exemption filed | $1,858,950 Land $1,393,200 Building $465,750 | $6,885,000 Land $5,160,000 Building $1,725,000 |
| 2023 | Additional exemption filed | $1,920,915 Land $1,439,640 Building $481,275 | $6,885,000 Land $5,160,000 Building $1,725,000 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 1500 Knox Dr in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1998.
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 | 7 in force |
| Nearby Flood Claims | 1 (1998) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Feb 1998 · tidal / storm surge |
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.
Wildfire risk around 1500 Knox Dr is moderate, ranking above 69% of the US, with a 0.3% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 69% of the US · above 64% of Colorado |
|---|---|
| Wildfire Likelihood | 0.3% annual chance |
| Exposure | Direct burnable vegetation |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | CITY OF BOULDER serves 166,080 people · EPA ID CO0107152 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Sep 2024 |
| Lead | 2 ppb (2023–2025) action level 15 ppb |
| Water Quality | Haloacetic acids resolved · Jul 2017 |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 1 last 3 years |
Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.
Source: FCC Broadband Data Collection, based on 240 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Ayva Networks Fixed Wireless | 2,500 / 2,500 |
| CenturyLink Fiber · DSL in parts of the area | 2,000 / 1,000 |
| Xfinity Cable | 2,000 / 250 |
| LiveWireNet Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Verizon.
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