Boulder County property record for 2304 Riverside Dr, Lyons, CO 80540 · Last verified June 2026
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 772 sqft · built 1915 |
| Lot Size | 0.089 acres (3,887 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $1,747 (2025) |
| Flood Zone | Zone AE (high risk) |
| APN | 1321-04-0-01-007 |
| Primary APN | 1321-04-0-01-007 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 772 sqft Living Area |
| 1st Floor Area | 772 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1915 |
|---|---|
| Effective Year Built | Effective 1915 |
| Architectural Style | Ranch |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Lot Area | 3,887 sqft (0.089 acres) |
| Account Number | R0053854 |
|---|---|
| Street Address | 2304 RIVERSIDE DR |
| City | LYONS |
| State | CO |
| Zip | 80540 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | E 1/2 LOT 5 BLK 1 RAYMONDS & SMALL TR E OF LOT 5 LESS PT N OF DITCH E 1/2 BLK 1 RAYMONDS V-12-0001/RESOLUTION 2012-103 FOR VACATED ROW |
| Legal Range | 72 |
| Legal Township | 2N |
| Legal Section | 04 |
| Legal Subdivision | RAYMOND - MT |
| Legal Tract | E |
| Legal Block | 1 |
| Legal Lot Number | 5 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | UPPER ST. VRAIN |
| Census Block Group | 1 |
| Census Block | 1063 |
| Census Tract | 13602 |
Source: Boulder County records · APN 1321-04-0-01-007
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 | Individual Name on File |
|---|---|
| Mailing Address | PO BOX 3052, ESTES PARK, CO 80517-3052 |
| Owner Type | Individual |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Nov 28, 1961 |
| Deed Sale | Nov 28, 1961 |
| Deed Document Number | 1961688288 |
| 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 |
| Unified School District | St. Vrain Valley School District RE 1J (PK - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $19,373 (+8.8%) Land $1,469 Building $17,904 | $284,900 (-) Land $21,600 Building $263,300 | |
| 2025 | $1,747.00 (+36.7%) | $17,806 (-2.73%) Land $1,350 Building $16,456 | $284,900 (+4.28%) Land $21,600 Building $263,300 |
| 2023 | $1,278.00 (-2.59%) | $18,305 (+28.41%) Land $1,119 Building $17,186 | $273,200 (+33.2%) Land $16,700 Building $256,500 |
| 2022 | $1,312.00 | $14,255 Land $1,161 Building $13,094 | $205,100 Land $16,700 Building $188,400 |
Source: FEMA National Flood Hazard Layer, Boulder County (08013C), updated October 14, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 080130136021, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone AE |
|---|---|
| Special Flood Hazard Area | Yes |
| Flood Hazard | High |
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | Yes |
| Base Flood Elevation | Varies along the reach; see FIRM |
| Flood Insurance Requirement | Required (federally backed mortgages) |
| Flood Insurance Cost | Premium on Record median of 26 individual NFIP policies nearby |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 26 in force |
| Nearby Flood Claims | 19 (1995–2013) |
| Claims Outside the SFHA | 4 of 19 |
| Most Recent Claim | Sep 2013, rainfall accumulation, Severe Storms, Flooding, Landslides, And Mudslides |
| Claims By Storm |
|
| Wildfire Risk | Extreme above 98% of the US · above 99% of Colorado |
|---|---|
| Wildfire Likelihood | About 1 in 63 per year |
| Exposure | Direct burnable vegetation at the parcel |
Insurers in high-risk areas may require mitigation or decline coverage; check availability before making an offer.
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: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 44 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Lumen Technologies | DSL | 140 / 20 |
| Starlink | Satellite (low-earth orbit) | 280 / 30 |
Availability varies by address; speeds are provider-advertised maximums, not measured.
No mobile data coverage reported
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