426 4th Ave, Lyons, CO 80540 Property Records

Boulder County property record for 426 4th Ave, Lyons, CO 80540 · Last verified August 2026

Property Highlights

Property Type	Residential > Single Family > Home
Bedrooms	2 Beds
Bathrooms	1 Baths
Year Built	Built 1910
Square Footage	870 sqft Living Area
Lot Size	6,826 sqft (0.157 acres)
Garage	Detached, 616 sqft
Occupancy	Owner Occupied
Tax Bill	$3,621.00 (2025)

Property Details

APN / Parcel Number

Primary APN	`1203-18-4-17-015`
Alternative APNs	`R0050300` `0050300`

Interior

Bedrooms	2 Beds
Full Baths	1 Baths
Total Rooms	4 Rooms
Building Area	870 sqft Living Area
Gross Area	1,010 sqft Gross Area
1st Floor	870 sqft 1st Floor
Stories	1 Stories
Interior Structure	Plaster Interior Structure

Exterior

Year Built	Built 1910
Effective Year Built	Effective 1910
Architectural Style	Ranch Style
Exterior Material	Wood Shingle Exterior
Construction Type	Frame Construction
Roof Material	Metal Roof
Lot Area	6,826 sqft (0.157 acres)
Parking Spaces	2 Parking Spaces
Garage Type	Detached Garage
Garage Area	616 sqft Garage
Porch	Enclosed Porch
Porch Area	140 sqft Porch

Utilities and HVAC

Heating System	Gravity Heating

Location & Zoning

Account Number	R0050300
Street Address	426 4TH AVE
City	LYONS
State	CO
Zip	80540-5058
Property Usage	Residential Property Usage
Type	Residential > Single Family > Home
Legal Description	S 70 FT LOTS 11 & 12 BLK 25 LYONS
Legal Range	70
Legal Township	3N
Legal Section	18
Legal Subdivision	LYONS - LY
Legal Block	25
Legal Lot Number	11
Jurisdiction	BOULDER CO
Minor Civil Division	LONGMONT
Census Blockgroup	3
Census Block	3021
Census Tract	13601

Owner

Source: Boulder County records · APN 1203-18-4-17-015

Assessment roll updated June 15, 2026 · Last verified August 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	2 Individuals Owners
Mailing Address	426 4TH AVE, LYONS, CO 80540-5058
Occupancy	Owner Occupied
Owner Type	Owner is an Individual, Couple or Unincorporated Entity

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Known Transactions	Apr 29, 2010 Prior Sale Amount on Sep 09, 2002
Deed Doc Number	20103071655
Last Transfer Date	Nov 06, 2023
Transfer Doc	0004027500
Record Refreshed	Sep 20, 2026

November 2023: Beneficiary Deed, Transfer

Document Type	Beneficiary Deed
Jurisdiction	BOULDER CO
Recording Date	Nov 06, 2023
Property Address	426 4TH AVE, LYONS, CO 80540-5058
Document Number	0004027500
Map Reference	MB 4 PG 48
Instrument Date	Nov 06, 2023
Instrument	4027500
Transaction Type	Transfer
Record Updated	Nov 29, 2023

Transaction

Tax	$0.00
Amount Accuracy	Zero or No Consideration Stated
Additional	Arms Length Transaction

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	426 4TH AVE, LYONS, CO 80540-5058

Tax Assessment & Valuation

Source: Boulder County records · Assessment roll updated June 15, 2026 · Last verified August 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 and are not market price estimates.

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$28,954 (+8.8%) Land $4,386 Building $24,568	$425,800 (-) Land $64,500 Building $361,300
2025	$3,621.00 (+18.68%)	$26,612 (-10.38%) Land $4,031 Building $22,581	$425,800 (-3.93%) Land $64,500 Building $361,300
2023	$3,051.00 (+5.39%)	$29,694 (+26.44%) Land $3,745 Building $25,949	$443,200 (+31.16%) Land $55,900 Building $387,300
2022	$2,895.00	$23,484 Land $3,426 Building $20,058	$337,900 Land $49,300 Building $288,600