Boulder County property record for 631 1st Ave, Lyons, CO 80540 · Last verified June 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 3 Beds |
| Bathrooms | 2.5 Baths |
| Year Built | Built 2004 |
| Square Footage | 3,024 sqft Living Area |
| Lot Size | 6,065 sqft (0.139 acres) |
| Garage | Attached, 630 sqft |
| Last Sale | $620,000 (2015) |
| Tax Bill | $9,587.00 (2025) |
| Primary APN | 1203-18-4-53-010 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Partial Baths | 1 Partial Baths |
| Total Rooms | 9 Rooms |
| Building Area | 3,024 sqft Living Area |
| Gross Area | 3,654 sqft Gross Area |
| 1st Floor | 1,207 sqft 1st Floor |
| Upper Floors | 1,239 sqft Upper Floors |
| Basement Area | 578 sqft Basement |
| Finished Basement | 578 sqft Finished |
| Stories | 2 Stories |
| Interior Structure | Wallboard/Drywall Interior Structure |
| Year Built | Built 2004 |
|---|---|
| Effective Year Built | Effective 2004 |
| Architectural Style | A-Frame Style |
| Exterior Material | Combination Exterior |
| Construction Type | Frame Construction |
| Roof Material | Asphalt Roof |
| Lot Area | 6,065 sqft (0.139 acres) |
| Parking Spaces | 2 Parking Spaces |
| Garage Type | Attached Garage |
| Garage Area | 630 sqft Garage |
| Porch | Porch |
| Porch Area | 154 sqft Porch |
| Heating System | Forced Air with Air Conditioning Heating |
|---|
| Account Number | R0503795 |
|---|---|
| Street Address | 631 1ST AVE |
| City | LYONS |
| State | CO |
| Zip | 80540 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | LOT 10 BLK 2 TURNER & REED |
| Legal Range | 70 |
| Legal Township | 3N |
| Legal Section | 18 |
| Legal Subdivision | TURNER & REED - LY |
| Legal Block | 2 |
| Legal Lot Number | 10 |
| Jurisdiction | BOULDER CO |
| Minor Civil Division | LONGMONT |
| Census Blockgroup | 2 |
| Census Block | 2031 |
| Census Tract | 13601 |
Source: Boulder County records · APN 1203-18-4-53-010
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 | Individual Owner on File |
|---|---|
| Mailing Address | PO BOX 1806, LYONS, CO 80540-1806 |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Deed Names | Verified Name on Deed |
|---|---|
| Known Transactions |
|
| Deed Doc Number | 20153446150 |
| Prior Transfer Date | Dec 12, 2013 |
| Prior Transfer Doc | 0003358472 |
| 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 | $76,663 (+8.8%) Land $4,080 Building $72,583 | $1,127,400 (-) Land $60,000 Building $1,067,400 | |
| 2025 | $9,587.00 (+9.22%) | $70,463 (-10.25%) Land $3,750 Building $66,713 | $1,127,400 (-3.79%) Land $60,000 Building $1,067,400 |
| 2023 | $8,778.00 (+24.19%) | $78,511 (+36.94%) Land $3,484 Building $75,027 | $1,171,800 (+42.05%) Land $52,000 Building $1,119,800 |
| 2022 | $7,068.00 | $57,331 Land $3,190 Building $54,141 | $824,900 Land $45,900 Building $779,000 |
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