619 1st Ave, Lyons, CO 80540 Property Records

Boulder County property record for 619 1st Ave, Lyons, CO 80540

Property Summary

Property Type	Single Family Home
Details	4 bd · 3.25 ba · 4,159 sqft · built 2007
Lot Size	0.19 acres (8,271 sqft)
Owner	2 Individual Names on File
Last Sale	$734,518 (Dec 2006)
Tax Bill	$11,282 (2025)
Flood Zone	Zone X (minimal risk)
APN	`1203-18-4-53-016`

Property Details

APN / Parcel Number

Primary APN	`1203-18-4-53-016`
Alternative APNs	`R0503801` `0503801`

Interior

Bedrooms	4 Beds
Full Baths	3.25 Baths
Half Baths	2 Half Baths
Total Rooms	11 Rooms
Stories	2 Stories
Building Area	4,159 sqft Living Area
Gross Area	4,982 sqft
1st Floor Area	1,747 sqft
Upper Floors Area	1,488 sqft
Basement Area	924 sqft
Finished Basement	924 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 2007
Effective Year Built	Effective 2007
Architectural Style	A-Frame
Exterior Material	Combination
Construction Type	Frame
Roof Material	Asphalt
Lot Area	8,271 sqft (0.19 acres)
Garage Type	Attached
Garage Area	823 sqft
Parking Spaces	3 Parking Spaces
Porch	Porch
Porch Area	329 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0503801
Street Address	619 1ST AVE
City	LYONS
State	CO
Zip	80540
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 16 BLK 2 TURNER & REED
Legal Range	70
Legal Township	3N
Legal Section	18
Legal Subdivision	TURNER & REED - LY
Legal Block	2
Legal Lot Number	16
Jurisdiction	BOULDER CO
Township / Civil Division	LONGMONT
Census Block Group	2
Census Block	2031
Census Tract	13601

Owner

Source: Boulder County records · APN 1203-18-4-53-016

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	PO BOX 1989, LYONS, CO 80540-1989
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Dec 18, 2006 · Amount on Record
Deed Sale	Dec 18, 2006 · Amount on Record
Prior Sale	Feb 14, 2006 · Amount on Record
Deed Document Number	20062824603
Last Transfer Date	May 02, 2020
Transfer Doc	0003792319
Record Updated	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
Municipality	Lyons Town
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		$90,216 (+8.8%) Land $4,767 Building $85,449	$1,326,700 (-) Land $70,100 Building $1,256,600
2025	$11,282.00 (+10.63%)	$82,919 (-8.49%) Land $4,381 Building $78,538	$1,326,700 (-1.9%) Land $70,100 Building $1,256,600
2023	$10,198.00 (+21.59%)	$90,611 (+33.19%) Land $4,067 Building $86,544	$1,352,400 (+38.16%) Land $60,700 Building $1,291,700
2022	$8,387.00	$68,033 Land $3,725 Building $64,308	$978,900 Land $53,600 Building $925,300

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Boulder County (08013C), as of October 14, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 080130136012, as of September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition, as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on Record median of 22 policies
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	22 in force
Nearby Flood Claims	56 (1980–2015)
Claims Outside the SFHA	23 of 56
Most Recent Claim	Jun 2015 · Severe Storms, Tornadoes, Flooding, Landslides, And Mudslides
Claims by Event	Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 49 claims

Wildfire

Wildfire Risk	High above 83% of the US · above 86% of Colorado
Wildfire Likelihood	0.5% annual chance
Exposure	Direct burnable vegetation at the parcel

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Historic Designation

Source: NPS National Register of Historic Places as of August 1, 2026 · Last verified October 2026

Historic District	Within the Lyons Sandstone Buildings listed 1980 · 13 contributing resources · NRIS 80000880

Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

Provider	Max Down / Up (Mbps)
Z3N Fiber · Cable · Fixed Wireless	1,000 / 1,000
Verizon Fixed Wireless	300 / 20
T-Mobile USA Fixed Wireless	100 / 20
AT&T Fixed Wireless	100 / 20
JAB Wireless Fixed Wireless	100 / 20

Based on FCC filings for 275 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System, water system CO0107496, as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	TOWN OF LYONS serves 2,990 people
Water Source	Purchased surface water from CITY OF LONGMONT
Last State Inspection	Nov 2022
Lead	Under 1 ppb (2023–2025) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None last 3 years

Results are for the whole water system as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.