423 Reese St, Lyons, CO 80540 Property Records

Boulder County property record for 423 Reese St, Lyons, CO 80540

Property Summary

Property Type	Single Family Home
Details	2 bd · 1 ba · 936 sqft · built 1903
Lot Size	0.141 acres (6,150 sqft)
Owner	Individual Name on Record
Tax Bill	$5,047 (2025)
Deeds & Mortgages	Aug 2026 Mortgage Jun 2026 Sale
Flood Zone	Zone X (minimal risk)
APN	`1203-18-1-31-001`

Property Details

APN / Parcel Number

Primary APN	`1203-18-1-31-001`
Alternative APN	`R0616342`

Interior

Bedrooms	2 Beds
Full Baths	1 Bath
Total Rooms	5 Rooms
Stories	1 Story
Building Area	936 sqft Living Area
Gross Area	1,872 sqft
1st Floor Area	936 sqft
Basement Area	936 sqft

Exterior

Year Built	Built 1903
Effective Year Built	Effective 2007
Architectural Style	Ranch
Exterior Material	Wood Shingle
Construction Type	Frame
Roof Material	Asphalt
Lot Area	6,150 sqft (0.141 acres)

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0616342
Street Address	423 REESE ST
City	LYONS
State	CO
Zip	80540
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 10A REESE MINOR
Legal Subdivision	REES MINOR
Legal Block	2
Legal Lot Number	10A
Jurisdiction	BOULDER CO
Township / Civil Division	LONGMONT
Census Block Group	2
Census Block	2036
Census Tract	13601

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	Individual Name on Record
Mailing Address	PO BOX 737, LYONS, CO 80540-0737
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Aug 18, 2026	Deed of Trust, Mortgage · Conventional Mortgage KEYSTONE FUNDING
Jun 29, 2026	Bargain and Sale Deed, Transfer NONE LISTED ON DOCUMENT

Assessor's Deed Record

Deed Names	Name on Deed
Record Updated	Oct 29, 2026

August 2026: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Recording Date	Aug 18, 2026
Property Address	423 REESE ST, LYONS, CO 80540
Document Number	0004144190
Instrument Date	Aug 12, 2026
Instrument	20264144190
Transaction Type	Mortgage
Record Updated	Sep 9, 2026
Title Company	NONE LISTED ON DOCUMENT

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	423 REESE ST, LYONS, CO 80540

Mortgage

Document Number	0004144190,
Date	Aug 18, 2026
Instrument	20264144190

Lender

Name	KEYSTONE FUNDING

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Sep 1, 2056

Interest

Rate Type	Fixed Rate
Initial Type	Fixed Rate
Max Rate	-1%

June 2026: Bargain and Sale Deed, Transfer

Document Type	Bargain and Sale Deed
Jurisdiction	BOULDER CO
Recording Date	Jun 29, 2026
Property Address	423 REESE ST, LYONS, CO 80540
Document Number	0004137879
Instrument Date	Jun 24, 2026
Instrument	20264137879
Transaction Type	Transfer
Record Updated	Jul 12, 2026
Title Company	NONE LISTED ON DOCUMENT

Transaction

Tax	$0.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name

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		$36,322 (-2.08%) Land $71 Building $36,251	$593,500 (-) Land $60,400 Building $533,100
2025	$5,047.00 (+20.4%)	$37,094 Land $3,775 Building $33,319	$593,500 Land $60,400 Building $533,100
2024	$4,192.00

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

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
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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