496 Riverside Dr, Lyons, CO 80540 Property Records

Boulder County property record for 496 Riverside Dr, Lyons, CO 80540 · Last verified June 2026

Property Highlights

Property Type	Other > Exempt (Full or Partial)
Bedrooms	1 Beds
Architecture Style	Ranch
Year Built	Built 1920
Square Footage	392 sqft Living Area
Lot Size	11,850 sqft (0.272 acres)
Last Sale	$128,000 (2008)

Property Details

APN / Parcel Number

Primary APN	`1199-34-3-01-002`
Alternative APNs	`R0053872` `0053872`

Interior

Bedrooms	1 Beds
Total Rooms	1 Rooms
Building Area	392 sqft Living Area
1st Floor	392 sqft 1st Floor
Stories	1 Stories

Exterior

Year Built	Built 1920
Effective Year Built	Effective 1920
Architectural Style	Ranch Style
Exterior Material	Logs Exterior
Construction Type	Frame Construction
Roof Material	Asphalt Roof
Lot Area	11,850 sqft (0.272 acres)
Deck Area	223 sqft Deck
Porch	Porch
Porch Area	156 sqft Porch

Location & Zoning

Account Number	R0053872
Street Address	496 RIVERSIDE DR
City	LYONS
State	CO
Zip	80540-8963
Property Usage	Other Property Usage
Type	Other > Exempt (Full or Partial)
Legal Description	SE 1/4 SW 1/4 PT LOT 6 7 8 ALPINE 3RD PT LOT 1 & 2 ALPINE 1/10 INT .02 IN SE 1/4 SW 1/4 34-3N-72 .35 ACS & INT AS SHOWN IN REC 85606 COMMUNTIY WELL
Legal Range	72
Legal Township	3N
Legal Section	34
Legal Subdivision	RIVERSIDE ALPINE 3 - MT
Legal Block	1
Legal Lot Number	6,1,2
Jurisdiction	BOULDER CO
Minor Civil Division	UPPER ST. VRAIN
Census Blockgroup	1
Census Block	1044
Census Tract	13602

Owner

Source: Boulder County records · APN 1199-34-3-01-002

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	Company Name on File
Mailing Address	540 FLORENCE ST, AURORA, CO 80010-4227
Owner Type	Owner is a Company

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Dec 22, 2008 · Amount on Record
Deed Sale	Dec 22, 2008 · Amount on Record
Prior Sale	Oct 15, 2004 · Amount on Record
Deed Doc Number	20082969843
Prior Transfer Date	Nov 11, 2008
Prior Transfer Doc	0002969841
Record Refreshed	Sep 20, 2026

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 is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$2,509 (-3.72%) Land $2,509	$9,650 (-) Land $9,650
2025		$2,606 (-22.07%) Land $2,606	$9,650 (-80.67%) Land $9,650
2023	Additional exemption filed	$3,344 (+311.32%) Land $3,344	$49,916 (+326.63%) Land $49,916
2022	Additional exemption filed	$813 Land $813	$11,700 Land $11,700

Flood & Wildfire

496 Riverside Dr is in FEMA Zone AE, inside the Special Flood Hazard Area, with direct wildfire exposure (Extreme risk).

Flood

Source: FEMA National Flood Hazard Layer · Boulder County (08013C), updated October 14, 2026

FEMA Flood Zone	Zone AE Administrative floodway
Special Flood Hazard Area	Yes flood insurance required for federally backed mortgages
Floodway	Yes
Base Flood Elevation	Varies along the reach; see FIRM

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020

Wildfire Risk to Homes	Extreme 98th percentile of exposed land nationally · 100th in Colorado
Wildfire Likelihood	Extreme — about 1 in 58 per year
Exposure	Direct burnable vegetation at the parcel

Insurers in high-risk areas may require mitigation or decline coverage; check availability before making an offer.

Values are read at the parcel center point; lenders make the official flood determination.