3145 Riverside Dr, Lyons, CO 80540 Property Records

Boulder County property record for 3145 Riverside Dr, Lyons, CO 80540 · Last verified June 2026

Property Highlights

Property Type	Residential > Single Family > Home
Bedrooms	2 Beds
Bathrooms	1 Baths
Architecture Style	A-Frame
Year Built	Built 1939
Square Footage	1,536 sqft Living Area
Lot Size	15,744 sqft (0.361 acres)
Garage	Carport, 176 sqft
Tax Bill	$2,644.00 (2025)

Property Details

APN / Parcel Number

Primary APN	`1321-09-0-06-001`
Alternative APNs	`R0053723` `0053723`

Interior

Bedrooms	2 Beds
Full Baths	1 Baths
Total Rooms	3 Rooms
Building Area	1,536 sqft Living Area
1st Floor	1,104 sqft 1st Floor
Upper Floors	432 sqft Upper Floors
Stories	2 Stories
Interior Structure	Paneling Interior Structure

Exterior

Year Built	Built 1939
Effective Year Built	Effective 1939
Architectural Style	A-Frame Style
Exterior Material	Wood Shingle Exterior
Construction Type	Frame Construction
Lot Area	15,744 sqft (0.361 acres)
Garage Type	Carport Garage
Garage Area	176 sqft Garage
Carport	Carport
Carport Area	176 sqft Carport
Patio Area	48 sqft Patio

Utilities and HVAC

Heating System	Forced Air with Air Conditioning Heating

Location & Zoning

Account Number	R0053723
Street Address	3145 RIVERSIDE DR
City	LYONS
State	CO
Zip	80540
Property Usage	Residential Property Usage
Type	Residential > Single Family > Home
Legal Description	LOTS 19-20 BLK 1 HEATHERMEADE 3 2ND PLAT
Legal Range	72
Legal Township	2N
Legal Section	09
Legal Subdivision	HEATHERMEADE 3 - MT
Legal Block	1
Legal Lot Number	19
Jurisdiction	BOULDER CO
Minor Civil Division	UPPER ST. VRAIN
Census Blockgroup	1
Census Block	1047
Census Tract	13602

Owner

Source: Boulder County records · APN 1321-09-0-06-001

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 Name on File
Mailing Address	5105 DTC PKWY, 150, GREENWOOD VILLAGE, CO 80111-2610
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	May 26, 1987 Prior Sale Amount on Aug 19, 1975
Deed Doc Number	1987851517
Last Transfer Date	Dec 08, 1997
Transfer Doc	0001756213
Record Refreshed	Sep 20, 2026

October 2023: Deed, Transfer

Document Type	Deed
Jurisdiction	BOULDER CO
Recording Date	Oct 05, 2023
Property Address	3145 RIVERSIDE DR, LYONS, CO 80540
Document Number	0004024147
Map Reference	MB 5 PG 2
Instrument Date	Sep 25, 2023
Instrument	4024147
Transaction Type	Transfer
Record Updated	Feb 27, 2024

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	5105 DTC PKWY STE 150, 150, GREENWOOD VILLAGE, CO 80111-2610

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
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		$29,315 (+8.8%) Land $3,006 Building $26,309	$431,100 (-) Land $44,200 Building $386,900
2025	$2,644.00 (+11.94%)	$26,944 (-12.19%) Land $2,763 Building $24,181	$431,100 (-5.87%) Land $44,200 Building $386,900
2023	$2,362.00 (+5.07%)	$30,686 (+25.61%) Land $2,533 Building $28,153	$458,000 (+30.3%) Land $37,800 Building $420,200
2022	$2,248.00	$24,429 Land $2,592 Building $21,837	$351,500 Land $37,300 Building $314,200