Boulder County property record for 421 5th Ave, #6B, Lyons, CO 80540 · Last verified June 2026
| Property Type | Residential > Condominium / Townhouse > Condominium |
|---|---|
| Bedrooms | 2 Beds |
| Bathrooms | 2.5 Baths |
| Architecture Style | Condo/Apartment |
| Year Built | Built 2007 |
| Square Footage | 1,114 sqft Living Area |
| Lot Size | 1.09 acres |
| Garage | Attached, 196 sqft |
| Tax Bill | $5,103.00 (2025) |
| Primary APN | 1203-18-4-68-006 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Partial Baths | 1 Partial Baths |
| Total Rooms | 5 Rooms |
| Building Area | 1,114 sqft Living Area |
| Gross Area | 1,310 sqft Gross Area |
| 1st Floor | 468 sqft 1st Floor |
| Upper Floors | 646 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 | 47,712 sqft |
| Garage Type | Attached Garage |
| Garage Area | 196 sqft Garage |
| Porch | Porch |
| Porch Area | 72 sqft Porch |
| Heating System | Forced Air with Air Conditioning Heating |
|---|
| Account Number | R0516035 |
|---|---|
| Street Address | 421 5TH AVE, 6B |
| City | LYONS |
| State | CO |
| Zip | 80540-8835 |
| Property Usage | Residential Property Usage |
| Type | Residential > Condominium / Townhouse > Condominium |
| Legal Description | UNIT 6 BLDG B RIVER CLIFF COTTAGES CONDOMINIUMS |
| Legal Range | 70 |
| Legal Township | 3N |
| Legal Section | 18 |
| Legal Subdivision | RIVER CLIFF COTTAGES CONDOMINIUMS |
| Legal Block | 2 |
| Legal Unit | 6 |
| Jurisdiction | BOULDER CO |
| Minor Civil Division | LONGMONT |
| Census Blockgroup | 2 |
| Census Block | 2037 |
| Census Tract | 13601 |
Source: Boulder County records · APN 1203-18-4-68-006
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 | 3663 4TH ST, BOULDER, CO 80304-1705 |
| Owner Type | Owner is a Company |
| Vesting | Company |
| Deed Names | Verified Name on Deed |
|---|---|
| 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 | $40,807 (+8.8%) Building $40,807 | $600,100 (-) Building $600,100 | |
| 2025 | $5,103.00 (+12.77%) | $37,506 (-11.24%) Building $37,506 | $600,100 (-4.85%) Building $600,100 |
| 2023 | $4,525.00 (+27.97%) | $42,257 (+47.32%) Building $42,257 | $630,704 (+52.82%) Building $630,704 |
| 2022 | $3,536.00 | $28,683 Building $28,683 | $412,700 Building $412,700 |
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