835 4th Ave, Lyons, CO 80540 Property Records

Boulder County property record for 835 4th Ave, Lyons, CO 80540 · Last verified June 2026

Property Highlights

Property Type	Residential > Single Family > Home
Bedrooms	1 Beds
Bathrooms	1 Baths
Year Built	Built 1985
Square Footage	726 sqft Living Area
Lot Size	2,826 sqft (0.065 acres)
Garage	Detached, 320 sqft
Last Sale	$390,000 (2021)
Tax Bill	$4,353.00 (2025)

Property Details

APN / Parcel Number

Primary APN	`1203-18-1-08-001`
Alternative APNs	`R0050078` `0050078`

Interior

Bedrooms	1 Beds
Full Baths	1 Baths
Total Rooms	3 Rooms
Building Area	726 sqft Living Area
1st Floor	726 sqft 1st Floor
Stories	1 Stories
Interior Structure	Wallboard/Drywall Interior Structure

Exterior

Year Built	Built 1970
Effective Year Built	Effective 1985
Architectural Style	Ranch Style
Exterior Material	Wood Shingle Exterior
Construction Type	Frame Construction
Lot Area	2,826 sqft (0.065 acres)
Parking Spaces	1 Parking Spaces
Garage Type	Detached Garage
Garage Area	320 sqft Garage

Utilities and HVAC

Cooling System	Central Cooling
Heating System	Forced Air with Air Conditioning Heating

Location & Zoning

Account Number	R0050078
Street Address	835 4TH AVE
City	LYONS
State	CO
Zip	80540
Property Usage	Residential Property Usage
Type	Residential > Single Family > Home
Legal Description	S 36 FT LOT 7 BLK 1 NORTONVILLE
Legal Range	70
Legal Township	3N
Legal Section	18
Legal Subdivision	NORTONVILLE - LY
Legal Block	1
Legal Lot Number	7
Jurisdiction	BOULDER CO
Minor Civil Division	LONGMONT
Census Blockgroup	3
Census Block	3001
Census Tract	13601

Owner

Source: Boulder County records · APN 1203-18-1-08-001

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	Individual Owner on File
Mailing Address	835 HALF 4TH AVE, LYONS, CO 80540
Owner Type	Owner is an Individual, Couple or Unincorporated Entity

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Known Transactions	Last Sale Amount on Mar 29, 2021 Deed Sale Price on Mar 29, 2021 Prior Sale Amount on Aug 11, 1993
Deed Doc Number	20213871870
Record Refreshed	Sep 20, 2026

March 2021: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Mar 29, 2021
Property Address	835 4TH AVE, LYONS, CO 80540
Document Number	0003871870
Map Reference	MB 2 PG 85
Instrument Date	Mar 24, 2021
Instrument	3871870
Transaction Type	Transfer
Record Updated	Mar 31, 2022
Title Company	FIDELITY NATIONAL TITLE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on File
Loan-to-Value (LTV)	LTV on Record
Tax	$39.00
Amount Accuracy	Full Amount Stated
Additional	Arms Length Transaction

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	835 4TH AVE # HALF, HALF, LYONS, CO 80540

Mortgage

Document Number	0003871871
Date	Mar 29, 2021
Instrument	3871871

Lender

Name	CALIBER HOME LOANS INC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Apr 01, 2051

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		$34,809 (+8.8%) Land $2,720 Building $32,089	$511,900 (-) Land $40,000 Building $471,900
2025	$4,353.00 (+7.32%)	$31,994 (-16.39%) Land $2,500 Building $29,494	$511,900 (-10.37%) Land $40,000 Building $471,900
2023	$4,056.00 (+43.93%)	$38,264 (+67.39%) Land $2,325 Building $35,939	$571,100 (+73.64%) Land $34,700 Building $536,400
2022	$2,818.00	$22,859 Land $2,127 Building $20,732	$328,900 Land $30,600 Building $298,300