435 Reese St, Lyons, CO 80540 Property Records

Boulder County property record for 435 Reese St, Lyons, CO 80540

Property Summary

Property Type	Single Family Home
Details	3 bd · 1.75 ba · 1,668 sqft · built 1903
Lot Size	0.268 acres (11,655 sqft)
Owner	2 Individual Names on Record
Last Sale	$315,000 (Nov 2003)
Tax Bill	$6,392 (2025)
Deeds & Mortgages	Jul 2019 Line of Credit
Flood Zone	Zone X (minimal risk)
APN	`1203-18-1-07-013`

Property Details

APN / Parcel Number

Primary APN	`1203-18-1-07-013`
Alternative APNs	`R0050073` `0050073`

Interior

Bedrooms	3 Beds
Full Baths	1.75 Baths
Half Baths	1 Half Bath
Total Rooms	9 Rooms
Stories	1 Story
Building Area	1,668 sqft Living Area
1st Floor Area	1,668 sqft
Interior Walls	Plaster

Exterior

Year Built	Built 1903
Effective Year Built	Effective 1992
Architectural Style	Ranch
Exterior Material	Wood Shingle
Construction Type	Frame
Lot Area	11,655 sqft (0.268 acres)
Garage Type	Detached
Garage Area	323 sqft
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Heating System	Hot Water

Location & Zoning

Account Number	R0050073
Street Address	435 REESE ST
City	LYONS
State	CO
Zip	80540
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	W 1/2 OF LOT 10 LESS E 27 1/2 FT THEREOF & ALL LOT 11 BLK 4 NORTONVILLE
Legal Range	70
Legal Township	3N
Legal Section	18
Legal Subdivision	NORTONVILLE - LY
Legal Block	4
Legal Lot Number	10
Jurisdiction	BOULDER CO
Township / Civil Division	LONGMONT
Census Block Group	2
Census Block	2036
Census Tract	13601

Historic Designation

Source: NPS National Register of Historic Places, as of August 1, 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.

Owner

Source: Boulder County records, as of September 18, 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 Record
Mailing Address	PO BOX 1964, LYONS, CO 80540-1964
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Nov 25, 2003 · Amount on Record
Deed Sale	Nov 25, 2003 · Amount on Record
Prior Sale	May 24, 1994 · Amount on Record
Deed Document Number	20032531456
Record Updated	Oct 29, 2026

July 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	435 REESE ST, LYONS, CO 80540
Transaction Type	Mortgage
Record Updated	Feb 5, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0003727101
Date	Jul 31, 2019
Instrument	3727101

Lender

Name	PREMIER MEMBERS CU
Type	Credit Union
Address	BOULDER, CO 80303

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	300 Months
Due	Jul 25, 2044

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

Tax Assessment & Valuation

Source: Boulder County assessment roll, as of September 18, 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

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$46,356 (-1.33%) Land $959 Building $45,397	$751,700 (-) Land $84,100 Building $667,600
2025	$6,392.00 (+1.62%)	$46,981 (-18.02%) Land $5,256 Building $41,725	$751,700 (-12.11%) Land $84,100 Building $667,600
2023	$6,290.00 (+28.13%)	$57,305 (+43.9%) Land $4,884 Building $52,421	$855,300 (+49.27%) Land $72,900 Building $782,400
2022	$4,909.00	$39,824 Land $4,469 Building $35,355	$573,000 Land $64,300 Building $508,700

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.

Flood

Source: FEMA National Flood Hazard Layer, effective October 14, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Nearest Special Flood Hazard Area	Zone AE, within 500 ft
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

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.

Wildfire

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

Wildfire Risk	High above 76% of the US · above 75% of Colorado
Wildfire Likelihood	0.4% annual chance
Exposure	Direct burnable vegetation

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	TOWN OF LYONS serves 2,990 people · EPA ID CO0107496
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, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 177 locations within half a mile, as of December 31, 2025

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

May also be available: Rise Broadband.

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