51 Riverside Dr, Lyons, CO 80540 Property Records

Boulder County property record for 51 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 1933
Square Footage	576 sqft Living Area
Lot Size	7,008 sqft (0.161 acres)
Last Sale	$43,000 (1986)
Tax Bill	$1,592.00 (2025)

Owner

Source: Boulder County records · APN 1199-34-4-08-001

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	18186 BRAZIL AVE, PORT CHARLOTTE, FL 33948-8855
Owner Type	Owner is an Individual, Couple or Unincorporated Entity
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Oct 03, 1986 · Amount on Record
Deed Sale	Oct 03, 1986 · Amount on Record
Prior Sale	Aug 12, 1977 · Amount on Record
Deed Doc Number	1986793991
Last Transfer Date	Apr 14, 2014
Transfer Doc	0003378721
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, not market price estimates; both are a fraction of this property's market value.

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$17,646 (+8.8%) Land $1,924 Building $15,722	$259,500 (-) Land $28,300 Building $231,200
2025	$1,592.00 (+17.14%)	$16,219 (-15.65%) Land $1,769 Building $14,450	$259,500 (-9.58%) Land $28,300 Building $231,200
2023	$1,359.00 (+0.3%)	$19,229 (+30.57%) Land $1,668 Building $17,561	$287,000 (+35.44%) Land $24,900 Building $262,100
2022	$1,355.00	$14,727 Land $1,640 Building $13,087	$211,900 Land $23,600 Building $188,300

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Boulder County (08013C), updated October 14, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X
Flood Hazard	Minimal
500-Year Floodplain	No
Special Flood Hazard Area	No
Nearest Special Flood Hazard Area	Zone AE, within 100 ft

Wildfire

Wildfire Risk	Extreme above 98% of the US · above 100% of Colorado
Wildfire Likelihood	About 1 in 59 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.

Property Details

APN / Parcel Number

Primary APN	`1199-34-4-08-001`
Alternative APNs	`R0053633` `0053633`

Interior

Bedrooms	1 Beds
Full Baths	1 Baths
Total Rooms	3 Rooms
Building Area	576 sqft Living Area
1st Floor	576 sqft 1st Floor
Stories	1 Stories
Interior Structure	Paneling Interior Structure

Exterior

Year Built	Built 1933
Effective Year Built	Effective 1933
Architectural Style	Ranch Style
Exterior Material	Wood Shingle Exterior
Construction Type	Frame Construction
Lot Area	7,008 sqft (0.161 acres)
Porch	Porch
Porch Area	192 sqft Porch

Location & Zoning

Account Number	R0053633
Street Address	51 RIVERSIDE DR
City	LYONS
State	CO
Zip	80540-8964
Property Usage	Residential Property Usage
Type	Residential > Single Family > Home
Legal Description	LOT 7 & LOT 8 LESS W 5 FT BLK 3 RIVERSIDE 1935 AMENDMENT
Legal Range	72
Legal Township	3N
Legal Section	34
Legal Subdivision	RIVERSIDE - MT
Legal Block	3
Legal Lot Number	7
Jurisdiction	BOULDER CO
Minor Civil Division	UPPER ST. VRAIN
Census Blockgroup	1
Census Block	1047
Census Tract	13602