Boulder County property record for 427 5th Ave, #3A, Lyons, CO 80540 · Last verified June 2026
| Property Type | Residential > Condominium / Townhouse > Condominium |
|---|---|
| Bedrooms | 2 Beds |
| Bathrooms | 2.5 Baths |
| Year Built | Built 2007 |
| Square Footage | 1,107 sqft Living Area |
| Lot Size | 44,801 sqft (1.02 acres) |
| Garage | Attached, 189 sqft |
| Last Sale | $1,050,000 (2006) |
| Tax Bill | $4,896.00 (2025) |
| Primary APN | 1203-18-4-68-003 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Partial Baths | 1 Partial Baths |
| Total Rooms | 5 Rooms |
| Building Area | 1,107 sqft Living Area |
| Gross Area | 1,296 sqft Gross Area |
| 1st Floor | 466 sqft 1st Floor |
| Upper Floors | 641 sqft Upper Floors |
| Interior Structure | Wallboard/Drywall Interior Structure |
| Year Built | Built 2007 |
|---|---|
| Effective Year Built | Effective 2007 |
| Architectural Style | Condo/Apartment Style |
| Exterior Material | Wood Shingle Exterior |
| Construction Type | Frame Construction |
| Roof Material | Asphalt Roof |
| Lot Area | 44,801 sqft (1.02 acres) |
| Garage Type | Attached Garage |
| Garage Area | 189 sqft Garage |
| Heating System | Forced Air with Air Conditioning Heating |
|---|
| Account Number | R0516032 |
|---|---|
| Street Address | 427 5TH AVE, 3A |
| City | LYONS |
| State | CO |
| Zip | 80540-8835 |
| Property Usage | Residential Property Usage |
| Type | Residential > Condominium / Townhouse > Condominium |
| Legal Description | UNIT 3 BLDG A RIVER CLIFF COTTAGES CONDOMINIUMS |
| Legal Range | 70 |
| Legal Township | 3N |
| Legal Section | 18 |
| Legal Subdivision | RIVER CLIFF COTTAGES CONDOMINIUMS |
| Legal Block | 2 |
| Legal Lot Number | 1 |
| Legal Unit | 3 |
| Jurisdiction | BOULDER CO |
| Minor Civil Division | LONGMONT |
| Census Blockgroup | 2 |
| Census Block | 2037 |
| Census Tract | 13601 |
Source: Boulder County records · APN 1203-18-4-68-003
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 | Owner is a Company |
| Vesting | Company |
| Deed Names | Verified Name on Deed |
|---|---|
| Known Transactions |
|
| Deed Doc Number | 20062786596 |
| Prior Transfer Date | May 12, 2006 |
| Prior Transfer Doc | 0002786594 |
| 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 is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $39,154 (+8.8%) Building $39,154 | $575,800 (-) Building $575,800 | |
| 2025 | $4,896.00 (+13.41%) | $35,988 (-11.11%) Building $35,988 | $575,800 (-4.71%) Building $575,800 |
| 2023 | $4,317.00 (+26.97%) | $40,486 (+46.81%) Building $40,486 | $604,268 (+52.29%) Building $604,268 |
| 2022 | $3,400.00 | $27,578 Building $27,578 | $396,800 Building $396,800 |
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