3737 Riverside Dr, Lyons, CO 80540 Property Records

Boulder County property record for 3737 Riverside Dr, Lyons, CO 80540 · Last verified June 2026

Property Highlights

Property Type	Public Works > Federal Property (Exempt)
Lot Size	539 acres

Primary APN	`1321-10-0-00-001`
Alternative APNs	`R0086412` `0086412`

Lot Area	23,510,999 sqft

Account Number	R0086412
Street Address	3737 RIVERSIDE DR
State	CO
Property Usage	Land which may be one of the following: Public spaces (i.e. parks and beaches), public buildings (i.e. schools, hospitals, courthouse), public services (i.e. water treatment, electrical grid/product, dams) Property Usage
Type	Public Works > Federal Property (Exempt)
Legal Description	ALL SEC 10-2N-72 500 ACS M/L
Legal Range	72
Legal Township	2N
Legal Section	10
Legal Subdivision	TR, NBR 961 ST VRAIN AREA
Legal Block	1
Jurisdiction	BOULDER CO
Minor Civil Division	UPPER ST. VRAIN
Census Blockgroup	1
Census Block	1047
Census Tract	13602

Source: Boulder County records · APN 1321-10-0-00-001

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	Company Name on File
Owner Type	Owner is a Company

Deed Names	Verified Name on Deed
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
Unified School District	St. Vrain Valley School District RE 1J (PK - 12)

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$24,452,896 (-3.7%) Land $24,452,896	$94,049,600 (-) Land $94,049,600
2025	Additional exemption filed	$25,393,392 (+98.66%) Land $25,393,392	$94,049,600 (+105.29%) Land $94,049,600
2023	Additional exemption filed	$12,782,036 Land $12,782,036	$45,813,750 Land $45,813,750