3358 Riverside Dr, Lyons, CO 80540 Property Records

Boulder County property record for 3358 Riverside Dr, Lyons, CO 80540 · Last verified June 2026

Property Highlights

Property Type	Residential > Single Family > Home
Bedrooms	3 Beds
Year Built	Built 1937
Square Footage	952 sqft Living Area
Lot Size	20,249 sqft (0.465 acres)
Last Sale	$155,000 (2010)
Tax Bill	$1,876.00 (2025)

Property Details

APN / Parcel Number

Primary APN	`1321-08-0-03-008`
Alternative APNs	`R0506990` `0506990`

Interior

Bedrooms	3 Beds
Total Rooms	5 Rooms
Building Area	952 sqft Living Area
1st Floor	952 sqft 1st Floor
Stories	2 Stories
Interior Structure	Paneling Interior Structure

Exterior

Year Built	Built 1937
Effective Year Built	Effective 1937
Exterior Material	Logs Exterior
Construction Type	Frame Construction
Lot Area	20,249 sqft (0.465 acres)
Porch	Porch
Porch Area	153 sqft Porch

Utilities and HVAC

Heating System	Floor/Wall Furnace Heating

Location & Zoning

Account Number	R0506990
Street Address	3358 RIVERSIDE DR
City	LYONS
State	CO
Zip	80540-8980
Property Usage	Residential Property Usage
Type	Residential > Single Family > Home
Legal Description	LOTS 4-5 ALPINE
Legal Range	72
Legal Township	2N
Legal Section	8
Legal Subdivision	ALPINE - MT
Legal Block	1
Legal Lot Number	4
Jurisdiction	BOULDER CO
Minor Civil Division	UPPER ST. VRAIN
Census Blockgroup	1
Census Block	1064
Census Tract	13602

Owner

Source: Boulder County records · APN 1321-08-0-03-008

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 1155, LYONS, CO 80540-1155
Owner Type	Owner is an Individual, Couple or Unincorporated Entity

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Known Transactions	Last Sale Amount on Oct 28, 2010 Deed Sale Price on Oct 28, 2010
Deed Doc Number	20103108912
Last Transfer Date	Nov 09, 2017
Transfer Doc	0003628396
Record Refreshed	Sep 20, 2026

December 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	BOULDER CO
Recording Date	Dec 01, 2017
Property Address	3358 RIVERSIDE DR, LYONS, CO 80540-8980
Document Number	0003628396
Instrument Date	Nov 09, 2017
Instrument	3628396
Transaction Type	Transfer
Record Updated	Dec 07, 2017
Title Company	LAND TITLE GUARANTEE

Transaction

Tax	$0.00
Additional	Quitclaim Document Interfamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	3358 RIVERSIDE DR LYONS CO 805408980, LYONS, CO 80540-8980

Tax Assessment & Valuation

Source: Boulder County records · Assessment roll updated June 15, 2026 · Last verified June 2026

Property Jurisdictions

Type	Name
State	Colorado
County	Boulder County
Unified School District	St. Vrain Valley School District RE 1J (PK - 12)

Tax Bill & Assessment History

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		$20,802 (+8.8%) Land $3,346 Building $17,456	$305,900 (-) Land $49,200 Building $256,700
2025	$1,876.00 (+21.11%)	$19,119 (-10.65%) Land $3,075 Building $16,044	$305,900 (-4.23%) Land $49,200 Building $256,700
2023	$1,549.00 (-11.28%)	$21,399 (+12.79%) Land $2,559 Building $18,840	$319,400 (+17%) Land $38,200 Building $281,200
2022	$1,746.00	$18,973 Land $2,585 Building $16,388	$273,000 Land $37,200 Building $235,800