640 Arapahoe Ave, Boulder, CO 80302 Property Records

Boulder County property record for 640 Arapahoe Ave, Boulder, CO 80302 · Last verified August 2026

Property Highlights

Property TypeResidential > Multi-Unit > Multi-Family Dwellings
Bedrooms9 Beds
Bathrooms7 Baths
Year BuiltBuilt 1960
Square Footage5,659 sqft Living Area
Lot Size9,644 sqft (0.221 acres)
GarageDetached, 609 sqft
Last Sale$1,330,000 (2014)
Tax Bill$16,392.00 (2025)

Property Details

APN / Parcel Number

Primary APN1461-36-1-22-004
Alternative APNs
  • R0004099
  • 0004099

Interior

Bedrooms9 Beds
Full Baths7 Baths
Total Rooms14 Rooms
Units13 Units
Building Area5,659 sqft Living Area
1st Floor2,982 sqft 1st Floor
Upper Floors2,677 sqft Upper Floors
Interior StructureWallboard/Drywall Interior Structure

Exterior

Year BuiltBuilt 1950
Effective Year BuiltEffective 1960
Exterior MaterialBrick Veneer Exterior
Construction TypeMasonry/Concrete Masonry Units (CMUs) Construction
Roof MaterialAsphalt Roof
Lot Area9,644 sqft (0.221 acres)
Parking Spaces2 Parking Spaces
Garage TypeDetached Garage
Garage Area609 sqft Garage
Deck Area300 sqft Deck
PorchPorch
Porch Area371 sqft Porch

Utilities and HVAC

Cooling SystemHVAC Cooling
Heating SystemForced Air with Air Conditioning Heating

Location & Zoning

Account NumberR0004099
Street Address640 ARAPAHOE AVE
CityBOULDER
StateCO
Zip80302-5970
Property UsageResidential Property Usage
TypeResidential > Multi-Unit > Multi-Family Dwellings
Legal DescriptionE 1/2 LOT 2 BLK 12 SMITHS TO WEST BOULDER
Legal Range71
Legal Township1N
Legal Section36
Legal SubdivisionSMITHS TO WEST BOULDER - BO
Legal Block12
Legal Lot Number2
JurisdictionBOULDER CO
Minor Civil DivisionBOULDER
Census Blockgroup2
Census Block2002
Census Tract12201

Owner

Source: Boulder County records · APN 1461-36-1-22-004

Assessment roll updated June 15, 2026 · Last verified August 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 Address1450 28TH ST, BOULDER, CO 80303-1001
Owner TypeOwner is a Company
VestingCompany

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesVerified Name on Deed
Known Transactions
  • Last Sale Amount on Apr 07, 2014
  • Deed Sale Price on Apr 07, 2014
  • Prior Sale Amount on Jul 30, 2013
Deed Doc Number20143373870
Prior Transfer DateMay 13, 2013
Prior Transfer Doc0003313519
Record RefreshedSep 20, 2026

Tax Assessment & Valuation

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

Property Jurisdictions

TypeName
StateColorado
CountyBoulder County
MunicipalityBoulder City
Unified School DistrictBoulder Valley School District RE-2 (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$181,526 (+8.8%) Land $141,787 Building $39,739$2,669,500 (-) Land $2,085,100 Building $584,400
2025$16,392.00 (+8.33%)$166,844 (-3.95%) Land $130,319 Building $36,525$2,669,500 (+2.97%) Land $2,085,100 Building $584,400
2023$15,132.00 (+87.05%)$173,698 (+111.11%) Land $144,050 Building $29,648$2,592,500 (+114.26%) Land $2,150,000 Building $442,500
2022$8,090.00$82,280 Land $77,248 Building $5,032$1,210,000 Land $1,136,000 Building $74,000

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