Boulder County property record for 335 Railroad Ave, Lyons, CO 80540
| Property Type | Exempt (Full or Partial) |
|---|---|
| Details | 12 bd · 13.5 ba · 8,452 sqft · built 2005 |
| Lot Size | 0.789 acres (34,373 sqft) |
| Owner | Company Name on Record |
| Flood Zone | Zone X (minimal risk) |
| APN | 1203-18-4-57-001 |
| Primary APN | 1203-18-4-57-001 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 12 Beds |
|---|---|
| Full Baths | 13.5 Baths |
| Half Baths | 3 Half Baths |
| Total Rooms | 48 Rooms |
| Units | 12 Units |
| Stories | 1 Story |
| Building Area | 8,452 sqft Gross Area |
| 1st Floor Area | 8,452 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 2005 |
|---|---|
| Effective Year Built | Effective 2005 |
| Architectural Style | Ranch |
| Construction Type | Frame |
| Roof Material | Asphalt |
| Lot Area | 34,373 sqft (0.789 acres) |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Account Number | R0507958 |
|---|---|
| Street Address | 335 RAILROAD AVE |
| City | LYONS |
| State | CO |
| Zip | 80540-9200 |
| Property Category | Other |
| Property Type | Other > Exempt (Full or Partial) |
| Legal Description | LOT 1 TOWN OF LYONS AMENDED PLAT OF LOTS 7-10 & W1/2 LOT 6 BLK 25 LYONS |
| Legal Range | 70 |
| Legal Township | 3N |
| Legal Section | 18 |
| Legal Subdivision | LYONS LOT 1 AMENDED L7-10 ETC |
| Legal Block | 25 |
| Legal Lot Number | 1 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | LONGMONT |
| Census Block Group | 3 |
| Census Block | 3021 |
| Census Tract | 13601 |
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 | PO BOX 49, LYONS, CO 80540-0049 |
| Owner Type | Company |
| Deed Names | Name on Deed |
|---|---|
| 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 | $175,997 (+8.8%) Land $24,983 Building $151,014 | $2,588,200 (-) Land $367,400 Building $2,220,800 | |
| 2025 | Additional exemption filed | $161,763 (-16.09%) Land $22,963 Building $138,800 | $2,588,200 (-10.04%) Land $367,400 Building $2,220,800 |
| 2023 | Additional exemption filed | $192,773 Land $25,621 Building $167,152 | $2,877,200 Land $382,400 Building $2,494,800 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | High above 75% of the US · above 74% of Colorado |
|---|---|
| Wildfire Likelihood | 0.3% 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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