438 Park St, Lyons, CO 80540 Property Records

Boulder County property record for 438 Park St, Lyons, CO 80540 · Last verified June 2026

Property Highlights

Property TypeResidential > Single Family > Home
Bedrooms1 Beds
Bathrooms1 Baths
Year BuiltBuilt 2005
Square Footage1,692 sqft Living Area
Lot Size11,627 sqft (0.267 acres)
Garage600 sqft
Last Sale$72,900 (1985)
Tax Bill$6,600.00 (2025)

Owner

Source: Boulder County records · APN 1203-18-4-23-009

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 Name on File
Mailing AddressPO BOX 181, LYONS, CO 80540-0181
Owner TypeOwner is an Individual, Couple or Unincorporated Entity

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesVerified Name on Deed
Last SaleApr 11, 1985 · Amount on Record
Deed SaleApr 11, 1985 · Amount on Record
Prior SaleJul 14, 1983 · Amount on Record
Deed Doc Number1985682136
Last Transfer DateSep 25, 1997
Transfer Doc0001738924
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 and are not market price estimates.

YearTax BillAssessed ValueAssessed Market Value
2026$52,774 (+8.8%) Land $5,800 Building $46,974$776,100 (-) Land $85,300 Building $690,800
2025$6,600.00 (+20.72%)$48,506 (-3.55%) Land $5,331 Building $43,175$776,100 (+3.4%) Land $85,300 Building $690,800
2023$5,467.00 (+10.33%)$50,289 (+25.12%) Land $4,951 Building $45,338$750,600 (+29.79%) Land $73,900 Building $676,700
2022$4,955.00$40,193 Land $4,531 Building $35,662$578,330 Land $65,200 Building $513,130

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Boulder County (08013C), updated October 14, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified: October 2026

Flood

FEMA Flood ZoneZone X
Flood HazardModerate
500-Year FloodplainYes
Special Flood Hazard AreaNo
Nearest Special Flood Hazard AreaZone AE, within 100 ft

Wildfire

Wildfire RiskHigh
above 76% of the US · above 75% of Colorado
Wildfire LikelihoodAbout 1 in 291 per year
ExposureIndirect
within ember reach

Values are read at the parcel center point; lenders make the official flood determination.

Property Details

APN / Parcel Number

Primary APN1203-18-4-23-009
Alternative APNs
  • R0050082
  • 0050082

Interior

Bedrooms1 Beds
Full Baths1 Baths
Total Rooms5 Rooms
Building Area1,692 sqft Living Area
Gross Area1,884 sqft Gross Area
1st Floor1,692 sqft 1st Floor
Stories1 Stories
Interior StructureWallboard/Drywall Interior Structure

Exterior

Year BuiltBuilt 1903
Effective Year BuiltEffective 2005
Architectural StyleA-Frame Style
Exterior MaterialWood Shingle Exterior
Construction TypeFrame Construction
Roof MaterialAsphalt Roof
Lot Area11,627 sqft (0.267 acres)
Parking Spaces2 Parking Spaces
Garage Area600 sqft Garage

Exterior Amenities

Total Buildings3 Total Buildings
Shed1 Shed
Deck Area80 sqft Deck
PorchEnclosed Porch
Porch Area584 sqft Porch

Utilities and HVAC

Heating SystemForced Air with Air Conditioning Heating

Location & Zoning

Account NumberR0050082
Street Address438 PARK ST
CityLYONS
StateCO
Zip80540-5053
Property UsageResidential Property Usage
TypeResidential > Single Family > Home
Legal DescriptionLOT 11 & E 37 1/2 FT LOT 10 BLK 33 LYONS
Legal Range70
Legal Township3N
Legal Section18
Legal SubdivisionLYONS - LY
Legal Block33
Legal Lot Number11
JurisdictionBOULDER CO
Minor Civil DivisionLONGMONT
Census Blockgroup3
Census Block3026
Census Tract13601

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