Boulder County property record for 643 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 2002 |
| Square Footage | 3,136 sqft Living Area |
| Lot Size | 6,369 sqft (0.146 acres) |
| Garage | Attached, 850 sqft |
| Last Sale | $1,172,187 (2025) |
| Tax Bill | $9,714.00 (2025) |
| Primary APN | 1203-18-4-53-004 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Partial Baths | 1 Partial Baths |
| Total Rooms | 8 Rooms |
| Building Area | 3,136 sqft Living Area |
| Gross Area | 3,986 sqft Gross Area |
| 1st Floor | 1,280 sqft 1st Floor |
| Upper Floors | 1,250 sqft Upper Floors |
| Basement Area | 606 sqft Basement |
| Finished Basement | 606 sqft Finished |
| Year Built | Built 2002 |
|---|---|
| Effective Year Built | Effective 2002 |
| Architectural Style | A-Frame Style |
| Exterior Material | Composition/Composite Exterior |
| Construction Type | Frame Construction |
| Roof Material | Asphalt Roof |
| Lot Area | 6,369 sqft (0.146 acres) |
| Parking Spaces | 3 Parking Spaces |
| Garage Type | Attached Garage |
| Garage Area | 850 sqft Garage |
| Deck Area | 220 sqft Deck |
| Porch | Porch |
| Porch Area | 144 sqft Porch |
| Cooling System | Central Cooling |
|---|---|
| Heating System | Forced Air with Air Conditioning Heating |
| Account Number | R0503389 |
|---|---|
| Street Address | 643 1ST AVE |
| City | LYONS |
| State | CO |
| Zip | 80540 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | LOT 4 BLK 2 TURNER & REED LYONS |
| Legal Subdivision | TURNER & REED - LY |
| Legal Block | 2 |
| Legal Lot Number | 4 |
| Jurisdiction | BOULDER CO |
| Minor Civil Division | LONGMONT |
| Census Blockgroup | 2 |
| Census Block | 2031 |
| Census Tract | 13601 |
Source: Boulder County records · APN 1203-18-4-53-004
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 | 643 1ST AVE, LYONS, CO 80540 |
| Owner Type | Owner is a Company |
| Date | Document |
|---|---|
| Sep 05, 2023 | Warranty Deed, Transfer LAND TITLE GUARANTEE |
| Aug 18, 2020 | Deed of Trust, Mortgage · Conventional Mortgage NEWREZ LLC |
| Jun 02, 2017 | Intrafamily Transfer, Transfer · Conventional Mortgage CHERRY CREEK MORTGAGE CO INC |
| Deed Names | Verified Name on Deed |
|---|---|
| Known Transactions |
|
| Deed Doc Number | 20254093169 |
| Prior Transfer Date | May 10, 2017 |
| Prior Transfer Doc | 0003595572 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Sep 05, 2023 |
| Property Address | 643 1ST AVE, LYONS, CO 80540 |
| Document Number | 0004020526 |
| Instrument Date | Sep 01, 2023 |
| Instrument | 4020526 |
| Transaction Type | Transfer |
| Record Updated | Oct 06, 2023 |
| Title Company | LAND TITLE GUARANTEE |
| Amount | Amount Recorded |
|---|---|
| Tax | $104.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 643 1ST AVE, LYONS, CO 80540 |
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 2040 MILL RD, MOSCOW, ID 83843-8017 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 643 1ST AVE, LYONS, CO 80540 |
| Transaction Type | Mortgage |
| Record Updated | Feb 05, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0003807436 |
|---|---|
| Date | Aug 18, 2020 |
| Instrument | 3807436 |
| Name | NEWREZ LLC |
|---|---|
| Type | Non-Lending Institution |
| Address | FORT WASHINGTON, PA 19034 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Sep 01, 2050 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Jun 02, 2017 |
| Property Address | 643 1ST AVE, LYONS, CO 80540 |
| Document Number | 0003595572 |
| Instrument Date | May 10, 2017 |
| Instrument | 3595572 |
| Transaction Type | Transfer |
| Record Updated | Mar 31, 2022 |
| Amount | Amount Recorded |
|---|---|
| Tax | $0.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 00000 |
| Name | Verified Name |
|---|---|
| Address | 643 1ST AVE, LYONS, CO 80540 |
| Document Number | 0003595573 |
|---|---|
| Date | Jun 02, 2017 |
| Instrument | 3595573 |
| Name | CHERRY CREEK MORTGAGE CO INC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Jun 01, 2047 |
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 | $77,676 (+8.8%) Land $4,182 Building $73,494 | $1,142,300 (-) Land $61,500 Building $1,080,800 | |
| 2025 | $9,714.00 (+21.91%) | $71,394 (+0.99%) Land $3,844 Building $67,550 | $1,142,300 (+8.26%) Land $61,500 Building $1,080,800 |
| 2024 | $7,968.00 (+1.36%) | ||
| 2023 | $7,861.00 (+6.92%) | $70,692 (+18.54%) Land $3,571 Building $67,121 | $1,055,100 (+22.96%) Land $53,300 Building $1,001,800 |
| 2022 | $7,352.00 | $59,638 Land $3,267 Building $56,371 | $858,100 Land $47,000 Building $811,100 |
Search by:
By searching, you agree to: Terms • Privacy • Disclosures