Boulder County property record for 35 Riverside Dr, Lyons, CO 80540 · Last verified June 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 1 Beds |
| Bathrooms | 1.75 Baths |
| Architecture Style | Ranch |
| Year Built | Built 1955 |
| Square Footage | 576 sqft Living Area |
| Lot Size | 14,065 sqft (0.323 acres) |
| Last Sale | $175,000 (2017) |
| Tax Bill | $1,941.00 (2025) |
| Primary APN | 1199-34-4-07-001 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 1 Beds |
|---|---|
| Full Baths | 1.75 Baths |
| Partial Baths | 1 Partial Baths |
| Total Rooms | 4 Rooms |
| Building Area | 576 sqft Living Area |
| 1st Floor | 576 sqft 1st Floor |
| Stories | 1 Stories |
| Year Built | Built 1926 |
|---|---|
| Effective Year Built | Effective 1955 |
| Architectural Style | Ranch Style |
| Exterior Material | Wood Shingle Exterior |
| Construction Type | Frame Construction |
| Roof Material | Asphalt Roof |
| Lot Area | 14,065 sqft (0.323 acres) |
| Patio Area | 105 sqft Patio |
| Porch | Porch |
| Porch Area | 90 sqft Porch |
| Heating Fuel | Electric Heating Fuel |
|---|
| Account Number | R0053611 |
|---|---|
| Street Address | 35 RIVERSIDE DR |
| City | LYONS |
| State | CO |
| Zip | 80540-8964 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | LOTS 2 & 3 BLK 1 RIVERSIDE 1935 AMENDMENT |
| Legal Subdivision | RIVERSIDE - MT |
| Legal Block | 1 |
| Legal Lot Number | 2 |
| Jurisdiction | BOULDER CO |
| Minor Civil Division | UPPER ST. VRAIN |
| Census Blockgroup | 1 |
| Census Block | 1041 |
| Census Tract | 13602 |
Source: Boulder County records · APN 1199-34-4-07-001
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 | 2 Individual Names on File |
|---|---|
| Mailing Address | 1017 HORIZON DR, LYONS, CO 80540-5016 |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Vesting | Joint Tenants |
| Date | Document |
|---|---|
| Sep 05, 2023 | Intrafamily Transfer, Transfer |
| Nov 15, 2017 | Grant Deed, Transfer |
| Nov 09, 2017 | Grant Deed, Transfer |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Known Transactions |
|
| Deed Doc Number | 20173625940 |
| Last Transfer Date | Aug 31, 2023 |
| Transfer Doc | 0004020635 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Sep 05, 2023 |
| Property Address | 35 RIVERSIDE DR, LYONS, CO 80540-8964 |
| Document Number | 0004020635 |
| Instrument Date | Aug 31, 2023 |
| Instrument | 4020635 |
| Transaction Type | Transfer |
| Record Updated | Oct 19, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Zero or No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 1017 HORIZON DR, LYONS, CO 80540-5016 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Nov 15, 2017 |
| Property Address | 35 RIVERSIDE DR, LYONS, CO 80540-8964 |
| Document Number | 0003625940 |
| Instrument Date | Nov 14, 2017 |
| Instrument | 3625940 |
| Transaction Type | Transfer |
| Record Updated | Nov 21, 2017 |
| Amount | Amount Recorded |
|---|---|
| Tax | $17.00 |
| Amount Accuracy | Confirmed |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenant/Joint Tenant w/ Right Of Survivorship |
| Address | 1017 HORIZON DR LYONS CO 80540, LYONS, CO 80540 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Nov 09, 2017 |
| Property Address | 35 RIVERSIDE DR, LYONS, CO 80540-8964 |
| Document Number | 0003624938 |
| Instrument Date | Jun 05, 2017 |
| Instrument | 3624938 |
| Transaction Type | Transfer |
| Record Updated | Nov 20, 2017 |
| Amount | Amount Recorded |
|---|---|
| Tax | $17.00 |
| Amount Accuracy | Confirmed |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenant/Joint Tenant w/ Right Of Survivorship |
| Address | 1017 HORIZON DR LYONS CO 80540, LYONS, CO 80540 |
Source: Boulder County records · Assessment roll updated June 15, 2026 · Last verified June 2026
| Type | Name |
|---|---|
| State | Colorado |
| County | Boulder County |
| 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 | $21,515 (+8.79%) Land $2,570 Building $18,945 | $316,400 (-) Land $37,800 Building $278,600 | |
| 2025 | $1,941.00 (+9.35%) | $19,776 (-17.53%) Land $2,363 Building $17,413 | $316,400 (-11.6%) Land $37,800 Building $278,600 |
| 2023 | $1,775.00 (+55.43%) | $23,979 (+93.29%) Land $2,298 Building $21,681 | $357,900 (+100.5%) Land $34,300 Building $323,600 |
| 2022 | $1,142.00 | $12,406 Land $1,557 Building $10,849 | $178,500 Land $22,400 Building $156,100 |
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