Boulder County property record for 438 Park St, Lyons, CO 80540 · Last verified June 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 1 Beds |
| Bathrooms | 1 Baths |
| Year Built | Built 2005 |
| Square Footage | 1,692 sqft Living Area |
| Lot Size | 11,627 sqft (0.267 acres) |
| Garage | 600 sqft |
| Last Sale | $72,900 (1985) |
| Tax Bill | $6,600.00 (2025) |
Source: Boulder County records · APN 1203-18-4-23-009
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 | Individual Name on File |
|---|---|
| Mailing Address | PO BOX 181, LYONS, CO 80540-0181 |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Apr 11, 1985 · Amount on Record |
| Deed Sale | Apr 11, 1985 · Amount on Record |
| Prior Sale | Jul 14, 1983 · Amount on Record |
| Deed Doc Number | 1985682136 |
| Last Transfer Date | Sep 25, 1997 |
| Transfer Doc | 0001738924 |
| Record Refreshed | 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 | $52,774 (+8.8%) Land $5,800 Building $46,974 | $776,100 (-) Land $85,300 Building $690,800 | |
| 2025 | $6,600.00 (+20.72%) | $48,506 (-3.55%) Land $5,331 Building $43,175 | $776,100 (+3.4%) Land $85,300 Building $690,800 |
| 2023 | $5,467.00 (+10.33%) | $50,289 (+25.12%) Land $4,951 Building $45,338 | $750,600 (+29.79%) Land $73,900 Building $676,700 |
| 2022 | $4,955.00 | $40,193 Land $4,531 Building $35,662 | $578,330 Land $65,200 Building $513,130 |
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.
| Primary APN | 1203-18-4-23-009 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 1 Beds |
|---|---|
| Full Baths | 1 Baths |
| Total Rooms | 5 Rooms |
| Building Area | 1,692 sqft Living Area |
| Gross Area | 1,884 sqft Gross Area |
| 1st Floor | 1,692 sqft 1st Floor |
| Stories | 1 Stories |
| Interior Structure | Wallboard/Drywall Interior Structure |
| Year Built | Built 1903 |
|---|---|
| Effective Year Built | Effective 2005 |
| Architectural Style | A-Frame Style |
| Exterior Material | Wood Shingle Exterior |
| Construction Type | Frame Construction |
| Roof Material | Asphalt Roof |
| Lot Area | 11,627 sqft (0.267 acres) |
| Parking Spaces | 2 Parking Spaces |
| Garage Area | 600 sqft Garage |
| Total Buildings | 3 Total Buildings |
|---|---|
| Shed | 1 Shed |
| Deck Area | 80 sqft Deck |
| Porch | Enclosed Porch |
| Porch Area | 584 sqft Porch |
| Heating System | Forced Air with Air Conditioning Heating |
|---|
| Account Number | R0050082 |
|---|---|
| Street Address | 438 PARK ST |
| City | LYONS |
| State | CO |
| Zip | 80540-5053 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | LOT 11 & E 37 1/2 FT LOT 10 BLK 33 LYONS |
| Legal Range | 70 |
| Legal Township | 3N |
| Legal Section | 18 |
| Legal Subdivision | LYONS - LY |
| Legal Block | 33 |
| Legal Lot Number | 11 |
| Jurisdiction | BOULDER CO |
| Minor Civil Division | LONGMONT |
| Census Blockgroup | 3 |
| Census Block | 3026 |
| Census Tract | 13601 |
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