Boulder County property record for 411 Park St, Lyons, CO 80540
| Property Type | Exempt (Full or Partial) |
|---|---|
| Details | 2 bd · 1 ba · 1,277 sqft · built 1903 |
| Lot Size | 0.231 acres (10,063 sqft) |
| Owner | Company Name on File |
| Last Sale | $231,000 (Apr 2000) |
| Flood Zone | Zone AE (high risk) |
| APN | 1203-18-4-25-002 |
| Primary APN | 1203-18-4-25-002 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 4 Rooms |
| Stories | 1 Story |
| Building Area | 1,277 sqft Living Area |
| 1st Floor Area | 1,277 sqft |
| Year Built | Built 1903 |
|---|---|
| Effective Year Built | Effective 1903 |
| Architectural Style | Ranch |
| Exterior Material | Wood |
| Construction Type | Frame |
| Lot Area | 10,063 sqft (0.231 acres) |
| Garage Area | 240 sqft |
| Parking Spaces | 1 Parking Space |
| Total Buildings | 2 Buildings |
| Heating System | Forced Air with A/C |
|---|
| Account Number | R0050138 |
|---|---|
| Street Address | 411 PARK ST |
| City | LYONS |
| State | CO |
| Zip | 80540-5053 |
| Property Category | Other |
| Property Type | Other > Exempt (Full or Partial) |
| Legal Description | LOT 2 & E 20 FT LOT 3 BLK 34 LYONS |
| Legal Range | 70 |
| Legal Township | 3N |
| Legal Section | 18 |
| Legal Subdivision | LYONS - LY |
| Legal Block | 34 |
| Legal Lot Number | 2 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | LONGMONT |
| Census Block Group | 3 |
| Census Block | 3025 |
| Census Tract | 13601 |
Source: NPS National Register of Historic Places, as of August 1, 2026
| Historic District | Within the Lyons Sandstone Buildings listed 1980 · 13 contributing resources · NRIS 80000880 |
|---|
Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.
411 Park St is owned by a company that bought it in April 2000.
Source: Boulder County records, as of September 18, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | PO BOX 49, LYONS, CO 80540-0049 |
| 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 | Apr 28, 2000 · Amount on File |
| Deed Sale | Apr 28, 2000 · Amount on File |
| Prior Sale | Sep 9, 1997 · Amount on File |
| Deed Document Number | 20002040511 |
| Record Updated | Oct 29, 2026 |
Source: Boulder County assessment roll, as of September 18, 2026
| Type | Name |
|---|---|
| State | Colorado |
| County | Boulder County |
| Municipality | Lyons Town |
| Unified School District | St. Vrain Valley School District RE 1J (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $19,251 (+8.8%) Land $19,251 | $283,100 (-) Land $283,100 | |
| 2025 | Additional exemption filed | $17,694 Land $17,694 | $283,100 Land $283,100 |
| 2023 | Additional exemption filed | $8,793 Land $8,793 | $131,241 Land $131,241 |
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.
FEMA maps place 411 Park St in Zone AE, a high-risk flood area; flood insurance is required for federally backed loans.
Source: FEMA National Flood Hazard Layer, effective October 14, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone AE high risk |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | No |
| Base Flood Elevation | Varies along the reach; see FIRM |
| Flood Insurance Requirement | Required federally backed loans |
| Flood Insurance Cost | Premium on File median of 38 policies |
| Nearby Flood Policies | 38 in force |
| Nearby Flood Claims | 62 (1978–2013) |
| Claims Outside the SFHA | 4 of 62 |
| Most Recent Claim | Dec 2013 · other causes |
| 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.
Wildfire risk around 411 Park St is high, ranking above 79% of the US, with a 0.4% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | High above 79% of the US · above 81% of Colorado |
|---|---|
| Wildfire Likelihood | 0.4% annual chance |
| Exposure | Indirect within ember reach |
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 | TOWN OF LYONS serves 2,990 people · EPA ID CO0107496 |
|---|---|
| Water Source | Purchased surface water from CITY OF LONGMONT |
| Last State Inspection | Nov 2022 |
| Lead | Under 1 ppb (2023–2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None 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 275 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Lyons Communications Fiber · Cable · Fixed Wireless | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
| Rise Broadband Fixed Wireless | 100 / 20 |
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