804 4th Ave, Lyons, CO 80540 Property Records

Boulder County property record for 804 4th Ave, Lyons, CO 80540 · Last verified August 2026

Property Highlights

Property Type	Residential > Single Family > Home
Bedrooms	3 Beds
Bathrooms	1.75 Baths
Year Built	Built 2008
Square Footage	1,069 sqft Living Area
Lot Size	10,502 sqft (0.241 acres)
Garage	Detached, 1,907 sqft
Last Sale	$210,000 (2008)
Tax Bill	$6,629.00 (2025)

Property Details

APN / Parcel Number

Primary APN	`1203-18-1-09-007`
Alternative APNs	`R0050162` `0050162`

Interior

Bedrooms	3 Beds
Full Baths	1.75 Baths
Partial Baths	1 Partial Baths
Total Rooms	5 Rooms
Building Area	1,069 sqft Living Area
1st Floor	1,069 sqft 1st Floor
Stories	1 Stories
Interior Structure	Plaster Interior Structure

Exterior

Year Built	Built 1903
Effective Year Built	Effective 2008
Architectural Style	Ranch Style
Exterior Material	Wood Shingle Exterior
Construction Type	Frame Construction
Lot Area	10,502 sqft (0.241 acres)
Parking Spaces	7 Parking Spaces
Garage Type	Detached Garage
Garage Area	1,907 sqft Garage

Utilities and HVAC

Heating System	Gravity Heating

Location & Zoning

Account Number	R0050162
Street Address	804 4TH AVE
City	LYONS
State	CO
Zip	80540
Property Usage	Residential Property Usage
Type	Residential > Single Family > Home
Legal Description	LOT 1 BLK 2 NORTONVILLE
Legal Range	70
Legal Township	3N
Legal Section	18
Legal Subdivision	NORTONVILLE - LY
Legal Block	2
Legal Lot Number	1
Jurisdiction	BOULDER CO
Minor Civil Division	LONGMONT
Census Blockgroup	3
Census Block	3000
Census Tract	13601

Owner

Source: Boulder County records · APN 1203-18-1-09-007

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	Individual Owner on File
Mailing Address	2800 ODELL DR, ERIE, CO 80516-7521
Owner Type	Owner is a Company
Vesting	Owner is a Trust, Family Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Known Transactions	Last Sale Amount on Jul 31, 2008 Deed Sale Price on Jul 31, 2008 Prior Sale Amount on Nov 21, 1984
Deed Doc Number	20082946419
Last Transfer Date	Apr 28, 2023
Transfer Doc	0004005492
Record Refreshed	Sep 20, 2026

May 2023: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	BOULDER CO
Recording Date	May 01, 2023
Property Address	804 4TH AVE, LYONS, CO 80540
Document Number	0004005492
Map Reference	PL 2 PG 85
Instrument Date	Apr 28, 2023
Instrument	4005492
Transaction Type	Transfer
Record Updated	May 08, 2023

Transaction

Tax	$0.00
Amount Accuracy	Zero or No Consideration Stated
Additional	Interfamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Family Trust
Address	2800 ODELL DR, ERIE, CO 80516-7521

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, not market price estimates; both are a fraction of this property's market value.

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$53,006 (+8.8%) Land $5,372 Building $47,634	$779,500 (-) Land $79,000 Building $700,500
2025	$6,629.00 (+2.32%)	$48,719 (-17.3%) Land $4,938 Building $43,781	$779,500 (-11.35%) Land $79,000 Building $700,500
2023	$6,479.00 (+29.22%)	$58,913 (+44.85%) Land $4,583 Building $54,330	$879,300 (+50.26%) Land $68,400 Building $810,900
2022	$5,014.00	$40,672 Land $4,198 Building $36,474	$585,200 Land $60,400 Building $524,800