Boulder County property record for 503 W Main St, Lyons, CO 80540 · Last verified June 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 3 Beds |
| Bathrooms | 1 Baths |
| Year Built | Built 1957 |
| Square Footage | 1,073 sqft Living Area |
| Lot Size | 23,870 sqft (0.548 acres) |
| Garage | 640 sqft |
| Last Sale | $300,000 (2006) |
| Tax Bill | $1,738.00 (2025) |
| Primary APN | 1203-18-3-00-005 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Baths |
| Total Rooms | 5 Rooms |
| Building Area | 1,073 sqft Living Area |
| Gross Area | 1,193 sqft Gross Area |
| 1st Floor | 1,073 sqft 1st Floor |
| Stories | 1 Stories |
| Interior Structure | Wallboard/Drywall Interior Structure |
| Year Built | Built 1957 |
|---|---|
| Effective Year Built | Effective 1957 |
| Architectural Style | Ranch Style |
| Exterior Material | Block Exterior |
| Construction Type | Frame Construction |
| Roof Material | Asphalt Roof |
| Lot Area | 23,870 sqft (0.548 acres) |
| Parking Spaces | 2 Parking Spaces |
| Garage Area | 640 sqft Garage |
| Porch | Enclosed Porch |
| Porch Area | 248 sqft Porch |
| Cooling System | HVAC Cooling |
|---|---|
| Heating System | Forced Air with Air Conditioning Heating |
| Account Number | R0050429 |
|---|---|
| Street Address | 503 W MAIN ST |
| City | LYONS |
| State | CO |
| Zip | 80540 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | POR NE4 SW4 18-3N-70 PER REC 731096 12/13/85 BCR - 0.627 ACS PER LS-08-0191 LESS POR TO BDY LINE AGREEMENT REC # 3571838 & 3572943-4 TOTAL 0.55 ACS M/L |
| Legal Range | 70 |
| Legal Township | 3N |
| Legal Section | 18 |
| Legal Subdivision | TR, NBR 962 LYONS AREA |
| Legal Block | 19 |
| Legal Lot Number | 11 |
| Jurisdiction | BOULDER CO |
| Minor Civil Division | LONGMONT |
| Census Blockgroup | 2 |
| Census Block | 2024 |
| Census Tract | 13601 |
Source: Boulder County records · APN 1203-18-3-00-005
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 | PO BOX 1972, LYONS, CO 80540-1972 |
| Owner Type | Owner is a Company |
| Vesting | Company |
| Date | Document |
|---|---|
| Nov 20, 2025 | Deed of Trust, Mortgage PENNINGTON INVESTMENT |
| Deed of Trust, Mortgage |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Jun 20, 2006 · Amount on Record |
| Deed Sale | Jun 20, 2006 · Amount on Record |
| Prior Sale | May 23, 2005 · Amount on Record |
| Deed Doc Number | 20062785073 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 503 W MAIN ST, LYONS, CO 80540 |
| Transaction Type | Mortgage |
| Record Updated | Dec 12, 2025 |
| Name | Verified Name |
|---|---|
| Address | PO BOX 1972, LYONS, CO 80540-1972 |
| Document Number | 0004110512 |
|---|---|
| Date | Nov 20, 2025 |
| Instrument | 4110512 |
| Name | PENNINGTON INVESTMENT |
|---|---|
| Type | Non-Lending Institution |
| Amount | Amount Recorded |
|---|---|
| Term | 230 Months |
| Due | Jan 01, 2045 |
| Rate | 5% |
|---|
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 503 W MAIN ST, LYONS, CO 80540 |
| Transaction Type | Mortgage |
| Record Updated | Nov 08, 2023 |
| Name | Verified Name |
|---|
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 | $13,901 (+8.8%) Land $8,044 Building $5,857 | $204,425 (-) Land $118,300 Building $86,125 | |
| 2025 | $1,738.00 (+29.9%) | $12,777 (-15.34%) Land $7,394 Building $5,383 | $204,425 (-9.25%) Land $118,300 Building $86,125 |
| 2023 | $1,338.00 (-10.62%) | $15,092 (+24.22%) Land $7,940 Building $7,152 | $225,250 (+28.86%) Land $118,500 Building $106,750 |
| 2022 | $1,497.00 | $12,149 Land $7,006 Building $5,143 | $174,800 Land $100,800 Building $74,000 |
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