1440 Riverside Dr, Lyons, CO 80540 Property Records

Boulder County property record for 1440 Riverside Dr, Lyons, CO 80540 · Last verified June 2026

Property Highlights

Property Type	Residential > Single Family > Home
Bedrooms	1 Beds
Bathrooms	1 Baths
Architecture Style	Ranch
Year Built	Built 1951
Square Footage	1,128 sqft Living Area
Lot Size	2.31 acres
Last Sale	$32,000 (1977)
Tax Bill	$2,550.00 (2025)

Property Details

APN / Parcel Number

Primary APN	`1321-04-0-00-029`
Alternative APNs	`R0053764` `0053764`

Interior

Bedrooms	1 Beds
Full Baths	1 Baths
Total Rooms	3 Rooms
Building Area	1,128 sqft Living Area
1st Floor	908 sqft 1st Floor
Basement Area	220 sqft Basement
Finished Basement	220 sqft Finished
Stories	1 Stories
Interior Structure	Paneling Interior Structure

Exterior

Year Built	Built 1951
Effective Year Built	Effective 1951
Architectural Style	Ranch Style
Exterior Material	Wood Shingle Exterior
Construction Type	Frame Construction
Lot Area	100,717 sqft
Total Buildings	3 Total Buildings
Shed	1 Shed
Deck Area	178 sqft Deck

Location & Zoning

Account Number	R0053764
Street Address	1440 RIVERSIDE DR
City	LYONS
State	CO
Zip	80540-8965
Property Usage	Residential Property Usage
Type	Residential > Single Family > Home
Legal Description	TRACT NE 1/4 SE 1/4 04-2N-72 2.43 ACS M/L IDS 53763 53765 53766 COMBINED HERE
Legal Range	72
Legal Township	2N
Legal Section	04
Legal Subdivision	TR, NBR 961 ST VRAIN AREA
Legal Tract	NE
Legal Block	1
Jurisdiction	BOULDER CO
Minor Civil Division	UPPER ST. VRAIN
Census Blockgroup	1
Census Block	1044
Census Tract	13602

Owner

Source: Boulder County records · APN 1321-04-0-00-029

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	3040 15TH ST, BOULDER, CO 80304-2614
Owner Type	Owner is an Individual, Couple or Unincorporated Entity

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Feb 23, 1977 · Amount on Record
Deed Sale	Feb 23, 1977 · Amount on Record
Deed Doc Number	1977211721
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 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		$28,267 (+8.79%) Land $5,413 Building $22,854	$415,700 (-) Land $79,600 Building $336,100
2025	$2,550.00 (+10.34%)	$25,982 (-13.69%) Land $4,975 Building $21,007	$415,700 (-7.48%) Land $79,600 Building $336,100
2023	$2,311.00 (+8.04%)	$30,103 (+29.53%) Land $4,569 Building $25,534	$449,300 (+34.36%) Land $68,200 Building $381,100
2022	$2,139.00	$23,240 Land $4,587 Building $18,653	$334,390 Land $66,000 Building $268,390

Flood & Wildfire

1440 Riverside Dr is in FEMA Zone X, outside 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 X minimal flood hazard · outside the 0.2% annual chance floodplain
Special Flood Hazard Area	No
Nearest Special Flood Hazard Area	Zone AE, within 500 ft

Wildfire

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

Wildfire Risk to Homes	Extreme 97th percentile of exposed land nationally · 99th in Colorado
Wildfire Likelihood	Very High — about 1 in 64 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.