523 5th Ave, Lyons, CO 80540 Property Records

Boulder County property record for 523 5th Ave, Lyons, CO 80540 · Last verified June 2026

Property Highlights

Property Type	Residential > Single Family > Home
Bedrooms	3 Beds
Bathrooms	2 Baths
Year Built	Built 1995
Square Footage	1,739 sqft Living Area
Lot Size	7,850 sqft (0.18 acres)
Garage	Carport, 379 sqft
Last Sale	$265,000 (2006)
Tax Bill	$5,892.00 (2025)

Property Details

APN / Parcel Number

Primary APN	`1203-18-4-59-001`
Alternative APN	`R0509961`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	8 Rooms
Building Area	1,739 sqft Living Area
1st Floor	1,532 sqft 1st Floor
Upper Floors	207 sqft Upper Floors
Stories	2 Stories
Interior Structure	Plaster Interior Structure

Exterior

Year Built	Built 1903
Effective Year Built	Effective 1995
Architectural Style	A-Frame Style
Exterior Material	Wood Shingle Exterior
Construction Type	Frame Construction
Lot Area	7,850 sqft (0.18 acres)
Parking Spaces	1 Parking Spaces
Garage Type	Carport Garage
Garage Area	379 sqft Garage
Carport	Carport
Carport Area	379 sqft Carport

Exterior Amenities

Total Buildings	2 Total Buildings
Patio Area	461 sqft Patio
Porch	1 Porch
Porch Area	21 sqft Porch

Utilities and HVAC

Heating System	Forced Air with Air Conditioning Heating

Location & Zoning

Account Number	R0509961
Street Address	523 5TH AVE
City	LYONS
State	CO
Zip	80540-5033
Property Usage	Residential Property Usage
Type	Residential > Single Family > Home
Legal Description	LOT 1A LYONS AMENDED - A REPLAT OF LOTS 3&4 BLK 40 LYONS
Legal Range	70
Legal Township	3N
Legal Section	18
Legal Subdivision	LYONS AMENDED A REP OF L3&4 B40
Legal Block	40
Legal Lot Number	1A
Jurisdiction	BOULDER CO
Minor Civil Division	LONGMONT
Census Blockgroup	2
Census Block	2037
Census Tract	13601

Owner

Source: Boulder County records · APN 1203-18-4-59-001

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	Company Name on File
Mailing Address	PO BOX 225, LYONS, CO 80540-0225
Owner Type	Owner is a Company
Vesting	Owner is a Trust, Living Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Known Transactions	Last Sale Amount on Sep 15, 2006 Deed Sale Price on Sep 15, 2006 Prior Sale Amount on Nov 22, 2005
Deed Doc Number	20062805193
Last Transfer Date	Jan 24, 2007
Transfer Doc	0002838242
Record Refreshed	Sep 20, 2026

March 2022: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	BOULDER CO
Recording Date	Mar 14, 2022
Property Address	523 5TH AVE, LYONS, CO 80540-5033
Document Number	0003950422
Instrument Date	Mar 14, 2021
Instrument	3950422
Transaction Type	Transfer
Record Updated	Mar 29, 2022

Transaction

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

Transferred From (Grantor/Seller)

Name	Verified Name
Address	523 5TH AVE, 523, LYONS, CO 80540-5033

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	523 5TH AVE, LYONS, CO 80540-5033

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		$53,917 (+8.8%) Land $4,257 Building $49,660	$792,900 (-) Land $62,600 Building $730,300
2025	$5,892.00 (+13.79%)	$49,557 (-9.11%) Land $3,913 Building $45,644	$792,900 (-2.57%) Land $62,600 Building $730,300
2023	$5,178.00 (+17.41%)	$54,525 (+27.63%) Land $3,732 Building $50,793	$813,800 (+32.39%) Land $55,700 Building $758,100
2022	$4,410.00	$42,721 Land $3,440 Building $39,281	$614,700 Land $49,500 Building $565,200