641 1st Ave, Lyons, CO 80540 Property Records

Boulder County property record for 641 1st Ave, Lyons, CO 80540 · Last verified June 2026

Property Highlights

Property TypeResidential > Single Family > Home
Bedrooms3 Beds
Bathrooms2.5 Baths
Year BuiltBuilt 2002
Square Footage2,938 sqft Living Area
Lot Size6,554 sqft (0.151 acres)
GarageAttached, 760 sqft
Last Sale$460,000 (2002)
Tax Bill$9,520.00 (2025)

Property Details

APN / Parcel Number

Primary APN1203-18-4-53-005
Alternative APNs
  • R0500882
  • 0500882

Interior

Bedrooms3 Beds
Full Baths2.5 Baths
Partial Baths1 Partial Baths
Total Rooms8 Rooms
Building Area2,938 sqft Living Area
Gross Area3,698 sqft Gross Area
1st Floor1,220 sqft 1st Floor
Upper Floors1,126 sqft Upper Floors
Basement Area592 sqft Basement
Finished Basement592 sqft Finished
Stories2 Stories
Interior StructureWallboard/Drywall Interior Structure

Exterior

Year BuiltBuilt 2002
Effective Year BuiltEffective 2002
Architectural StyleA-Frame Style
Exterior MaterialWood Shingle Exterior
Construction TypeFrame Construction
Lot Area6,554 sqft (0.151 acres)
Parking Spaces3 Parking Spaces
Garage TypeAttached Garage
Garage Area760 sqft Garage
Deck Area132 sqft Deck

Utilities and HVAC

Heating SystemForced Air with Air Conditioning Heating

Location & Zoning

Account NumberR0500882
Street Address641 1ST AVE
CityLYONS
StateCO
Zip80540-5076
Property UsageResidential Property Usage
TypeResidential > Single Family > Home
Legal DescriptionLOT 5 BLK 2 LYONS TURNER & REED 18-3N-70 SPLIT FROM ID-0500881 REC #2215265 11/2/01
Legal Range70
Legal Township3N
Legal Section18
Legal SubdivisionTURNER & REED - LY
Legal Block2
Legal Lot Number5
JurisdictionBOULDER CO
Minor Civil DivisionLONGMONT
Census Blockgroup2
Census Block2031
Census Tract13601

Owner

Source: Boulder County records · APN 1203-18-4-53-005

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 RecordIndividual Owner on File
Mailing AddressPO BOX 1263, LYONS, CO 80540-1263
Owner TypeOwner is an Individual, Couple or Unincorporated Entity

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesVerified Name on Deed
Known Transactions
  • Last Sale Amount on Aug 14, 2002
  • Deed Sale Price on Aug 14, 2002
  • Prior Sale Amount on Nov 02, 2001
Deed Doc Number20022319308
Record RefreshedSep 20, 2026

Tax Assessment & Valuation

Source: Boulder County records · Assessment roll updated June 15, 2026 · Last verified June 2026

Property Jurisdictions

TypeName
StateColorado
CountyBoulder County
MunicipalityLyons Town
Unified School DistrictSt. 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.

YearTax BillAssessed ValueAssessed Market Value
2026$76,126 (+8.8%) Land $4,243 Building $71,883$1,119,500 (-) Land $62,400 Building $1,057,100
2025$9,520.00 (+35.32%)$69,969 (+9.93%) Land $3,900 Building $66,069$1,119,500 (+17.84%) Land $62,400 Building $1,057,100
2023$7,035.00 (+0.92%)$63,650 (+12.57%) Land $3,625 Building $60,025$950,000 (+16.76%) Land $54,100 Building $895,900
2022$6,971.00$56,545 Land $3,315 Building $53,230$813,600 Land $47,700 Building $765,900

Nearby Properties on 1st Ave

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