Boulder County property record for 811 5th Ave, Lyons, CO 80540 · Last verified June 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 2 Beds |
| Bathrooms | 1.75 Baths |
| Year Built | Built 1978 |
| Square Footage | 1,432 sqft Living Area |
| Lot Size | 8,752 sqft (0.201 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $316,000 (2012) |
| Tax Bill | $5,100.00 (2025) |
| Primary APN | 1203-18-1-23-006 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1.75 Baths |
| Partial Baths | 1 Partial Baths |
| Total Rooms | 4 Rooms |
| Building Area | 1,432 sqft Living Area |
| Gross Area | 2,352 sqft Gross Area |
| 1st Floor | 816 sqft 1st Floor |
| Basement Area | 816 sqft Basement |
| Finished Basement | 616 sqft Finished |
| Unfinished Basement | 200 sqft Unfinished |
| Stories | 1 Stories |
| Interior Structure | Wallboard/Drywall Interior Structure |
| Year Built | Built 1975 |
|---|---|
| Effective Year Built | Effective 1978 |
| Architectural Style | Ranch Style |
| Exterior Material | Wood Shingle Exterior |
| Construction Type | Frame Construction |
| Lot Area | 8,752 sqft (0.201 acres) |
| Parking Spaces | 3 Parking Spaces |
| Garage Type | Attached Garage |
| Garage Area | 720 sqft Garage |
| Deck Area | 384 sqft Deck |
| Heating Fuel | Electric Heating Fuel |
|---|
| Account Number | R0050195 |
|---|---|
| Street Address | 811 5TH AVE |
| City | LYONS |
| State | CO |
| Zip | 80540-5036 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | LOT 13 RIVERVIEW AMEND A |
| Legal Range | 70 |
| Legal Township | 3N |
| Legal Section | 18 |
| Legal Subdivision | RIVERVIEW AMEND A - LY |
| Legal Block | 2 |
| Legal Lot Number | 13 |
| Jurisdiction | BOULDER CO |
| Minor Civil Division | LONGMONT |
| Census Blockgroup | 2 |
| Census Block | 2026 |
| Census Tract | 13601 |
Source: Boulder County records · APN 1203-18-1-23-006
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 Owner on File |
|---|---|
| Mailing Address | 811 5TH AVE, LYONS, CO 80540-5036 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Deed Names | Verified Name on Deed |
|---|---|
| Known Transactions |
|
| Deed Doc Number | 20123216760 |
| 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, not market price estimates; both are a fraction of this property's market value.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $40,787 (+8.8%) Land $4,774 Building $36,013 | $599,800 (-) Land $70,200 Building $529,600 | |
| 2025 | $5,100.00 (+14.94%) | $37,488 (-9.68%) Land $4,388 Building $33,100 | $599,800 (-3.18%) Land $70,200 Building $529,600 |
| 2023 | $4,437.00 (-1.92%) | $41,506 (+13.11%) Land $4,080 Building $37,426 | $619,500 (+17.33%) Land $60,900 Building $558,600 |
| 2022 | $4,524.00 | $36,696 Land $3,732 Building $32,964 | $528,000 Land $53,700 Building $474,300 |
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