Boulder County property record for 403 5th Ave, #15D, Lyons, CO 80540 · Last verified June 2026
| Property Type | Condominium |
|---|---|
| Details | 2 bd · 2.5 ba · 1,253 sqft · built 2007 |
| Lot Size | 1.09 acres (47,712 sqft) |
| Owner | Company Name on File |
| Tax Bill | $5,248 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 1203-18-4-68-015 |
| Primary APN | 1203-18-4-68-015 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 5 Rooms |
| Building Area | 1,253 sqft Living Area |
| Gross Area | 1,442 sqft |
| 1st Floor Area | 529 sqft |
| Upper Floors Area | 724 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 2007 |
|---|---|
| Effective Year Built | Effective 2007 |
| Architectural Style | Condo/Apartment |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Roof Material | Asphalt |
| Lot Area | 47,712 sqft |
| Garage Type | Attached |
| Garage Area | 189 sqft |
| Porch | Porch |
| Porch Area | 64 sqft |
| Heating System | Forced Air with A/C |
|---|
| Account Number | R0516044 |
|---|---|
| Street Address | 403 5TH AVE, 15D |
| City | LYONS |
| State | CO |
| Zip | 80540-8835 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Condominium |
| Legal Description | UNIT 15 BLDG D RIVER CLIFF COTTAGES CONDOMINIUMS |
| Legal Range | 70 |
| Legal Township | 3N |
| Legal Section | 18 |
| Legal Subdivision | RIVER CLIFF COTTAGES CONDOMINIUMS |
| Legal Block | 2 |
| Legal Unit | 15 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | LONGMONT |
| Census Block Group | 2 |
| Census Block | 2037 |
| Census Tract | 13601 |
Source: Boulder County records · APN 1203-18-4-68-015
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 | 3663 4TH ST, BOULDER, CO 80304-1705 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Verified Name on Deed |
|---|---|
| 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 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 | $41,970 (+8.8%) Building $41,970 | $617,200 (-) Building $617,200 | |
| 2025 | $5,248.00 (+11.78%) | $38,575 (-11.75%) Building $38,575 | $617,200 (-5.39%) Building $617,200 |
| 2023 | $4,695.00 (+27.96%) | $43,709 (+46.84%) Building $43,709 | $652,366 (+52.32%) Building $652,366 |
| 2022 | $3,669.00 | $29,767 Building $29,767 | $428,300 Building $428,300 |
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 X |
|---|---|
| Flood Hazard | Moderate |
| 500-Year Floodplain | Yes |
| Special Flood Hazard Area | No |
| Nearest Special Flood Hazard Area | Zone AE, within 100 ft |
| 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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