Boulder County property record for 338 4th Ave, Lyons, CO 80540 · Last verified August 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 3 Beds |
| Bathrooms | 2 Baths |
| Architecture Style | A-Frame |
| Year Built | Built 2016 |
| Square Footage | 1,513 sqft Living Area |
| Lot Size | 17,535 sqft (0.403 acres) |
| Last Sale | $100,000 (2004) |
| Tax Bill | $6,860.00 (2025) |
| Primary APN | 1203-18-4-58-002 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 5 Rooms |
| Building Area | 1,513 sqft Living Area |
| 1st Floor | 920 sqft 1st Floor |
| Upper Floors | 593 sqft Upper Floors |
| Stories | 1 Stories |
| Interior Structure | Wallboard/Drywall Interior Structure |
| Year Built | Built 2016 |
|---|---|
| Effective Year Built | Effective 2016 |
| Architectural Style | A-Frame Style |
| Exterior Material | Wood Shingle Exterior |
| Construction Type | Frame Construction |
| Roof Material | Asphalt Roof |
| Lot Area | 17,535 sqft (0.403 acres) |
| Deck Area | 66 sqft Deck |
| Porch | 1 Porch |
| Porch Area | 58 sqft Porch |
| Heating System | Forced Air with Air Conditioning Heating |
|---|
| Account Number | R0508427 |
|---|---|
| Street Address | 338 4TH AVE |
| City | LYONS |
| State | CO |
| Zip | 80540-5059 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | LOTS 9,10, & E1/2 OF LOT 11 BLK 24 LYONS .40AC M/L |
| Legal Range | 70 |
| Legal Township | 3N |
| Legal Section | 18 |
| Legal Subdivision | LYONS - LY |
| Legal Block | 24 |
| Legal Lot Number | 9 |
| Jurisdiction | BOULDER CO |
| Minor Civil Division | LONGMONT |
| Census Blockgroup | 3 |
| Census Block | 3023 |
| Census Tract | 13601 |
Source: Boulder County records · APN 1203-18-4-58-002
Assessment roll updated June 15, 2026 · Last verified August 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 | PO BOX 372, LYONS, CO 80540-0372 |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Vesting | Joint Tenants |
| Date | Document |
|---|---|
| Jun 02, 2021 | Deed of Trust, Mortgage · Conventional Mortgage SYNERGY ONE LENDING |
| Jan 17, 2018 | Deed of Trust, Mortgage · Veterans Administration Mortgage FAIRWAY INDEPENDENT MORTGAGE CORP |
| Oct 16, 2017 | Loan Modification, Mortgage · Conventional Mortgage with Private Mortgage Insurance (PMI) HIGH PLAINS BK |
| Jan 20, 2017 | Loan Modification, Mortgage · Conventional Mortgage with Private Mortgage Insurance (PMI) HIGH PLAINS BK |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Known Transactions |
|
| Deed Doc Number | 20042646141 |
| Last Transfer Date | Oct 21, 2016 |
| Transfer Doc | 0003552245 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 338 4TH AVE, LYONS, CO 80540-5059 |
| Transaction Type | Mortgage |
| Record Updated | Jan 17, 2022 |
| Title Company | E-CHICAGO TITLE, CHICAGO TITLE |
| Name | Verified Name |
|---|
| Document Number | 0003889667 |
|---|---|
| Date | Jun 02, 2021 |
| Instrument | 3889667 |
| Name | SYNERGY ONE LENDING |
|---|---|
| Type | Mortgage Company |
| Address | SAN DIEGO, CA 92108 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Jun 01, 2051 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 338 4TH AVE, LYONS, CO 80540-5059 |
| Transaction Type | Mortgage |
| Record Updated | Feb 05, 2021 |
| Title Company | FIDELITY NATIONAL TITLE |
| Name | Verified Name |
|---|
| Document Number | 0003636409 |
|---|---|
| Date | Jan 17, 2018 |
| Instrument | 3636409 |
| Name | FAIRWAY INDEPENDENT MORTGAGE CORP |
|---|---|
| Type | Mortgage Company |
| Address | CARROLLTON, TX 75007 |
| Type | Veterans Administration Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Feb 01, 2048 |
| Document Type | Loan Modification |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 338 4TH AVE, LYONS, CO 80540-5059 |
| Document Number | 0003620623 |
| Instrument Date | Oct 16, 2017 |
| Transaction Type | Mortgage |
| Record Updated | Oct 31, 2017 |
| Name | Verified Name |
|---|---|
| Address | 338 4TH AVE LYONS CO 80541, LYONS, CO 80541 |
| Document Number | 0003620623 |
|---|---|
| Date | Oct 18, 2017 |
| Instrument | 3620623 |
| Name | HIGH PLAINS BK |
|---|---|
| Type | Bank |
| Address | LONGMONT, CO 80501 |
| Type | Conventional Mortgage with Private Mortgage Insurance (PMI) |
|---|---|
| Amount | Amount Recorded |
| Term | 12 Months |
| Due | Oct 17, 2018 |
| Document Type | Loan Modification |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 338 4TH AVE, LYONS, CO 80540-5059 |
| Document Number | 0003571244 |
| Instrument Date | Jan 20, 2017 |
| Transaction Type | Mortgage |
| Record Updated | Feb 09, 2017 |
| Name | Verified Name |
|---|---|
| Address | 338 4TH AVE LYONS CO 80541, LYONS, CO 80541 |
| Document Number | 0003571244 |
|---|---|
| Date | Jan 25, 2017 |
| Instrument | 3571244 |
| Name | HIGH PLAINS BK |
|---|---|
| Type | Bank |
| Address | LONGMONT, CO 80501 |
| Type | Conventional Mortgage with Private Mortgage Insurance (PMI) |
|---|---|
| Amount | Amount Recorded |
| Term | 12 Months |
| Due | Jan 24, 2018 |
Source: Boulder County records · Assessment roll updated June 15, 2026 · Last verified August 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 | $54,856 (+8.8%) Land $6,916 Building $47,940 | $806,700 (-) Land $101,700 Building $705,000 | |
| 2025 | $6,860.00 (+11.89%) | $50,419 (-9.89%) Land $6,356 Building $44,063 | $806,700 (-3.4%) Land $101,700 Building $705,000 |
| 2023 | $6,131.00 (+19.4%) | $55,951 (+34.33%) Land $5,909 Building $50,042 | $835,100 (+39.35%) Land $88,200 Building $746,900 |
| 2022 | $5,135.00 | $41,651 Land $5,407 Building $36,244 | $599,300 Land $77,800 Building $521,500 |
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