Boulder County property record for 521 5th Ave, Lyons, CO 80540 · Last verified June 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 4 Beds |
| Bathrooms | 3.75 Baths |
| Year Built | Built 2006 |
| Square Footage | 3,030 sqft Living Area |
| Lot Size | 7,867 sqft (0.181 acres) |
| Garage | Attached, 485 sqft |
| Last Sale | $649,500 (2018) |
| Tax Bill | $8,770.00 (2025) |
| Primary APN | 1203-18-4-59-002 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3.75 Baths |
| Partial Baths | 1 Partial Baths |
| Total Rooms | 10 Rooms |
| Building Area | 3,030 sqft Living Area |
| Gross Area | 3,515 sqft Gross Area |
| 1st Floor | 1,188 sqft 1st Floor |
| Upper Floors | 1,188 sqft Upper Floors |
| Basement Area | 654 sqft Basement |
| Finished Basement | 654 sqft Finished |
| Stories | 2 Stories |
| Interior Structure | Wallboard/Drywall Interior Structure |
| Year Built | Built 2006 |
|---|---|
| Effective Year Built | Effective 2006 |
| Architectural Style | A-Frame Style |
| Exterior Material | Wood Shingle Exterior |
| Construction Type | Frame Construction |
| Roof Material | Asphalt Roof |
| Lot Area | 7,867 sqft (0.181 acres) |
| Parking Spaces | 2 Parking Spaces |
| Garage Type | Attached Garage |
| Garage Area | 485 sqft Garage |
| Heating System | Forced Air with Air Conditioning Heating |
|---|
| Account Number | R0509963 |
|---|---|
| Street Address | 521 5TH AVE |
| City | LYONS |
| State | CO |
| Zip | 80540-5033 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | LOT 2A LYONS AMENDED - A REPLAT OF LOTS 3&4 BLK 40 LYONS |
| Legal Range | 70 |
| Legal Township | 3N |
| Legal Section | 18 |
| Legal Subdivision | LYONS AMENDED A REP OF L3&4 B40 |
| Legal Block | 40 |
| Legal Lot Number | 2A |
| Jurisdiction | BOULDER CO |
| Minor Civil Division | LONGMONT |
| Census Blockgroup | 2 |
| Census Block | 2037 |
| Census Tract | 13601 |
Source: Boulder County records · APN 1203-18-4-59-002
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 Name on File |
|---|---|
| Mailing Address | PO BOX 1690, LYONS, CO 80540-1690 |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Date | Document |
|---|---|
| Oct 04, 2021 | Deed of Trust, Mortgage · Conventional Mortgage CHANGE LENDING LLC |
| Jun 03, 2020 | Deed of Trust, Mortgage · Conventional Mortgage COMMERCE HOME MORTGAGE LLC |
| Sep 17, 2018 | Warranty Deed, Transfer · Conventional Mortgage COMMERCE MORTGAGE |
| Deed Names | Verified Name on Deed |
|---|---|
| Known Transactions |
|
| Deed Doc Number | 20183676525 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 521 5TH AVE, LYONS, CO 80540-5033 |
| Transaction Type | Mortgage |
| Record Updated | Oct 27, 2021 |
| Title Company | FIRST AMERICAN TITLE, FIRST AMERICAN TITLE INS CO |
| Name | Verified Name |
|---|---|
| Address | 34226 GAP RD, GOLDEN, CO 80403-8632 |
| Document Number | 0003918134 |
|---|---|
| Date | Oct 04, 2021 |
| Instrument | 3918134 |
| Name | CHANGE LENDING LLC |
|---|---|
| Type | Mortgage Company |
| Address | IRVINE, CA 92606 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Oct 01, 2051 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 521 5TH AVE, LYONS, CO 80540-5033 |
| Transaction Type | Mortgage |
| Record Updated | Feb 05, 2021 |
| Title Company | FIRST AMERICAN TITLE INS CO |
| Name | Verified Name |
|---|
| Document Number | 0003788710 |
|---|---|
| Date | Jun 03, 2020 |
| Instrument | 3788710 |
| Name | COMMERCE HOME MORTGAGE LLC |
|---|---|
| Type | Mortgage Company |
| Address | IRVINE, CA 92606 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Jun 01, 2050 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Sep 17, 2018 |
| Property Address | 521 5TH AVE, LYONS, CO 80540-5033 |
| Document Number | 0003676525 |
| Map Reference | DOC2805193 |
| Instrument Date | Sep 14, 2018 |
| Instrument | 3676525 |
| Transaction Type | Transfer |
| Record Updated | Mar 31, 2022 |
| Title Company | HERITAGE TITLE CO |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $64.95 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 00000 |
| Name | Verified Name |
|---|---|
| Address | 521 5TH AVE, LYONS, CO 80540-5033 |
| Document Number | 0003676526 |
|---|---|
| Date | Sep 17, 2018 |
| Instrument | 3676526 |
| Name | COMMERCE MORTGAGE |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Oct 01, 2048 |
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 | $70,128 (+8.8%) Land $4,617 Building $65,511 | $1,031,300 (-) Land $67,900 Building $963,400 | |
| 2025 | $8,770.00 (+9.35%) | $64,457 (-10.54%) Land $4,244 Building $60,213 | $1,031,300 (-4.1%) Land $67,900 Building $963,400 |
| 2023 | $8,020.00 (+23.71%) | $72,052 (+37%) Land $3,940 Building $68,112 | $1,075,400 (+42.12%) Land $58,800 Building $1,016,600 |
| 2022 | $6,483.00 | $52,591 Land $3,607 Building $48,984 | $756,700 Land $51,900 Building $704,800 |
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