Boulder County property record for 223 4th Ave, Lyons, CO 80540 · Last verified June 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 2 Beds |
| Bathrooms | 1.75 Baths |
| Year Built | Built 2005 |
| Square Footage | 1,365 sqft Living Area |
| Lot Size | 4,989 sqft (0.115 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $542,790 (2023) |
| Tax Bill | $6,573.00 (2025) |
| Primary APN | 1203-18-4-25-010 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1.75 Baths |
| Partial Baths | 1 Partial Baths |
| Total Rooms | 5 Rooms |
| Building Area | 1,365 sqft Living Area |
| 1st Floor | 1,017 sqft 1st Floor |
| Upper Floors | 348 sqft Upper Floors |
| Stories | 2 Stories |
| Interior Structure | Wallboard/Drywall Interior Structure |
| Year Built | Built 1930 |
|---|---|
| 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 | 4,989 sqft (0.115 acres) |
| Parking Spaces | 1 Parking Spaces |
| Garage Type | Carport Garage |
| Garage Area | 260 sqft Garage |
| Carport | Carport |
| Carport Area | 260 sqft Carport |
| Patio Area | 330 sqft Patio |
| Porch | Porch |
| Porch Area | 353 sqft Porch |
| Heating System | Hot Water Heating |
|---|
| Account Number | R0050235 |
|---|---|
| Street Address | 223 4TH AVE |
| City | LYONS |
| State | CO |
| Zip | 80540-5004 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | N 50 FT LOTS 15-16 BLK 34 LYONS |
| Legal Range | 70 |
| Legal Township | 3N |
| Legal Section | 18 |
| Legal Subdivision | LYONS - LY |
| Legal Block | 34 |
| Legal Lot Number | 15 |
| Jurisdiction | BOULDER CO |
| Minor Civil Division | LONGMONT |
| Census Blockgroup | 3 |
| Census Block | 3025 |
| Census Tract | 13601 |
Source: Boulder County records · APN 1203-18-4-25-010
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 | 2 Individual Names on File |
|---|---|
| Mailing Address | 223 4TH AVE, LYONS, CO 80540-5004 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Date | Document |
|---|---|
| Jan 10, 2023 | Special Warranty Deed, Transfer LAND TITLE GUARANTEE |
| Mar 18, 2020 | Warranty Deed, Transfer · Building or Construction Mortgage SURVIVOR KELLING TRUST (PT) |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Jan 10, 2023 · Amount on Record |
| Deed Sale | Jan 10, 2023 · Amount on Record |
| Prior Sale | Mar 18, 2020 · Amount on Record |
| Deed Doc Number | 20233994347 |
| Last Transfer Date | Apr 24, 2025 |
| Transfer Doc | 0004084774 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Special Warranty Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Jan 10, 2023 |
| Property Address | 223 4TH AVE, LYONS, CO 80540-5004 |
| Document Number | 0003994347 |
| Instrument Date | Jan 10, 2022 |
| Instrument | 3994347 |
| Transaction Type | Transfer |
| Record Updated | Jan 17, 2023 |
| Title Company | LAND TITLE GUARANTEE |
| Amount | Amount Recorded |
|---|---|
| Tax | $64.28 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | PO BOX 769, FONDA, IA 50540 |
| Name | Verified Name |
|---|---|
| Address | 314 JUDSON ST, LONGMONT, CO 80501-4815 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Mar 18, 2020 |
| Property Address | 223 4TH AVE, LYONS, CO 80540-5004 |
| Document Number | 0003772681 |
| Instrument Date | Mar 16, 2020 |
| Instrument | 3772681 |
| Transaction Type | Transfer |
| Record Updated | Jun 08, 2020 |
| Title Company | FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $60.00 |
| Amount Accuracy | Confirmed |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | PO BOX 769 LYONS CO 805400769, LYONS, CO 80540-0769 |
| Document Number | 3772682 |
|---|---|
| Date | Mar 18, 2020 |
| Instrument | 3772682 |
| Name | SURVIVOR KELLING TRUST (PT) |
|---|---|
| Address | 13545 BENNETT DR, PORT CHARLOTTE, FL 33981-6107 |
| Type | Building or Construction Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 12 Months |
| Due | Mar 17, 2021 |
| Rate | 5% |
|---|
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 | $52,564 (+8.8%) Land $3,706 Building $48,858 | $773,000 (-) Land $54,500 Building $718,500 | |
| 2025 | $6,573.00 (+11.5%) | $48,312 (-10.43%) Land $3,406 Building $44,906 | $773,000 (-3.98%) Land $54,500 Building $718,500 |
| 2023 | $5,895.00 (+22.1%) | $53,935 (+37.72%) Land $3,162 Building $50,773 | $805,000 (+42.86%) Land $47,200 Building $757,800 |
| 2022 | $4,828.00 | $39,163 Land $2,891 Building $36,272 | $563,500 Land $41,600 Building $521,900 |
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