Boulder County property record for 340 Park St, Lyons, CO 80540 · Last verified June 2026
| Property Type | Exempt (Full or Partial) |
|---|---|
| Details | 3 bd · 2 ba · 1,512 sqft · built 1913 |
| Lot Size | 0.174 acres (7,557 sqft) |
| Owner | Company Name on File |
| Last Sale | $295,000 (Aug 2010) |
| Flood Zone | Zone AE (high risk) |
| APN | 1203-18-4-22-009 |
| Primary APN | 1203-18-4-22-009 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,512 sqft Living Area |
| 1st Floor Area | 1,512 sqft |
| Year Built | Built 1913 |
|---|---|
| Effective Year Built | Effective 1913 |
| Architectural Style | Ranch |
| Exterior Material | Wood |
| Construction Type | Frame |
| Lot Area | 7,557 sqft (0.174 acres) |
| Garage Type | Detached |
| Garage Area | 540 sqft |
| Porch | Porch |
|---|---|
| Porch Area | 52 sqft |
| Patio Area | 356 sqft |
| Total Buildings | 2 Buildings |
| Heating System | Forced Air with A/C |
|---|
| Account Number | R0050228 |
|---|---|
| Street Address | 340 PARK ST |
| City | LYONS |
| State | CO |
| Zip | 80540-5054 |
| Property Category | Other |
| Property Type | Other > Exempt (Full or Partial) |
| Legal Description | LOT 17 & W 1 FT LOT 18 BLK 24 LYONS |
| Legal Range | 70 |
| Legal Township | 3N |
| Legal Section | 18 |
| Legal Subdivision | LYONS - LY |
| Legal Block | 24 |
| Legal Lot Number | 17 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | LONGMONT |
| Census Block Group | 3 |
| Census Block | 3023 |
| Census Tract | 13601 |
Source: Boulder County records · APN 1203-18-4-22-009
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 | Company Name on File |
|---|---|
| Mailing Address | PO BOX 49, LYONS, CO 80540-0049 |
| Owner Type | Company |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Aug 11, 2010 · Amount on Record |
| Deed Sale | Aug 11, 2010 · Amount on Record |
| Prior Sale | Sep 17, 2004 · Amount on Record |
| Deed Document Number | 20103091377 |
| Prior Transfer Date | Apr 25, 1996 |
| Prior Transfer Doc | 0001613751 |
| 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 |
| Municipality | Lyons Town |
| Unified School District | St. Vrain Valley School District RE 1J (PK - 12) |
Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $16,531 (+8.8%) Land $16,531 | $243,100 (-) Land $243,100 | |
| 2025 | Additional exemption filed | $15,194 (+106.24%) Land $15,194 | $243,100 (+121.08%) Land $243,100 |
| 2023 | Additional exemption filed | $7,367 Land $7,367 | $109,961 Land $109,961 |
Source: FEMA National Flood Hazard Layer, Boulder County (08013C), updated October 14, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone AE |
|---|---|
| Flood Hazard | High |
| 100-Year Floodplain | Yes 1% annual chance |
| Special Flood Hazard Area | Yes |
| Flood Insurance Requirement | Required (federally backed mortgages) |
| Floodway | Yes |
| Base Flood Elevation | Varies along the reach; see FIRM |
| Wildfire Risk | High above 76% of the US · above 75% of Colorado |
|---|---|
| Wildfire Likelihood | About 1 in 291 per year |
| Exposure | Indirect within ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
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