623 1st Ave, Lyons, CO 80540 Property Records

Boulder County property record for 623 1st Ave, Lyons, CO 80540 · Last verified June 2026

Property Highlights

Property Type	Residential > Single Family > Home
Bedrooms	3 Beds
Bathrooms	3.5 Baths
Year Built	Built 2005
Square Footage	3,376 sqft Living Area
Lot Size	6,588 sqft (0.151 acres)
Garage	Attached, 818 sqft
Last Sale	$550,000 (2013)
Tax Bill	$10,275.00 (2025)

Property Details

APN / Parcel Number

Primary APN	`1203-18-4-53-014`
Alternative APNs	`R0503799` `0503799`

Interior

Bedrooms	3 Beds
Full Baths	3.5 Baths
Partial Baths	2 Partial Baths
Total Rooms	6 Rooms
Building Area	3,376 sqft Living Area
Gross Area	4,194 sqft Gross Area
1st Floor	1,431 sqft 1st Floor
Upper Floors	1,332 sqft Upper Floors
Basement Area	613 sqft Basement
Finished Basement	613 sqft Finished
Stories	2 Stories
Interior Structure	Wallboard/Drywall Interior Structure

Exterior

Year Built	Built 2005
Effective Year Built	Effective 2005
Architectural Style	A-Frame Style
Exterior Material	Combination Exterior
Construction Type	Frame Construction
Roof Material	Asphalt Roof
Lot Area	6,588 sqft (0.151 acres)
Parking Spaces	3 Parking Spaces
Garage Type	Attached Garage
Garage Area	818 sqft Garage
Porch	Porch
Porch Area	484 sqft Porch

Utilities and HVAC

Heating System	Forced Air with Air Conditioning Heating

Location & Zoning

Account Number	R0503799
Street Address	623 1ST AVE
City	LYONS
State	CO
Zip	80540-5076
Property Usage	Residential Property Usage
Type	Residential > Single Family > Home
Legal Description	LOT 14 BLK 2 TURNER & REED
Legal Range	70
Legal Township	3N
Legal Section	18
Legal Subdivision	TURNER & REED - LY
Legal Block	2
Legal Lot Number	14
Jurisdiction	BOULDER CO
Minor Civil Division	LONGMONT
Census Blockgroup	2
Census Block	2031
Census Tract	13601

Owner

Source: Boulder County records · APN 1203-18-4-53-014

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	2 Individuals Owners
Mailing Address	PO BOX 782, LYONS, CO 80540-0782
Owner Type	Owner is an Individual, Couple or Unincorporated Entity
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Known Transactions	Last Sale Amount on Jun 03, 2013 Deed Sale Price on Jun 03, 2013 Prior Sale Amount on Jun 21, 2006
Deed Doc Number	20133316677
Record Refreshed	Sep 20, 2026

July 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	623 1ST AVE, LYONS, CO 80540-5076
Transaction Type	Mortgage
Record Updated	Feb 05, 2021
Title Company	FIRST INTEGRITY TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0003795726
Date	Jul 02, 2020
Instrument	3795726

Lender

Name	LENDUS LLC
Type	Mortgage Company
Address	ALAMO, CA 94507

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Jul 01, 2050

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		$82,164 (+8.8%) Land $4,236 Building $77,928	$1,208,300 (-) Land $62,300 Building $1,146,000
2025	$10,275.00 (+27.53%)	$75,519 (+4.35%) Land $3,894 Building $71,625	$1,208,300 (+11.87%) Land $62,300 Building $1,146,000
2023	$8,057.00 (+1.29%)	$72,368 (+12.17%) Land $3,618 Building $68,750	$1,080,116 (+16.35%) Land $54,000 Building $1,026,116
2022	$7,954.00	$64,517 Land $3,308 Building $61,209	$928,300 Land $47,600 Building $880,700