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431 Dewey Ave, Boulder, CO 80304 Property Records

Boulder County property record for 431 Dewey Ave, Boulder, CO 80304 · Last verified August 2026

Property Highlights

Property TypeResidential > Multi-Unit > Multi-Family Dwellings
Bedrooms4 Beds
Bathrooms2 Baths
Architecture StyleRanch
Year BuiltBuilt 1973
Square Footage1,248 sqft Living Area
Lot Size6,395 sqft (0.147 acres)
Last Sale$750,000 (2019)
Tax Bill$7,488.00 (2025)

Property Details

APN / Parcel Number

Primary APN1461-25-1-11-010
Alternative APNs
  • R0065787
  • 0065787

Interior

Bedrooms4 Beds
Full Baths2 Baths
Total Rooms8 Rooms
Units2 Units
Building Area1,248 sqft Living Area
1st Floor1,248 sqft 1st Floor
Stories1 Stories
Interior StructureWallboard/Drywall Interior Structure

Exterior

Year BuiltBuilt 1973
Effective Year BuiltEffective 1973
Architectural StyleRanch Style
Exterior MaterialWood Shingle Exterior
Construction TypeFrame Construction
Roof MaterialAsphalt Roof
Lot Area6,395 sqft (0.147 acres)

Utilities and HVAC

Heating SystemForced Air with Air Conditioning Heating

Location & Zoning

Account NumberR0065787
Street Address431 DEWEY AVE
CityBOULDER
StateCO
Zip80304-3927
Property UsageResidential Property Usage
TypeResidential > Multi-Unit > Multi-Family Dwellings
Legal DescriptionLOT 5 & 10 FT ADJ ON N BLK 3 MOUNTAIN HEIGHTS
Legal Range71
Legal Township1N
Legal Section25
Legal SubdivisionMOUNTAIN HIGHTS - BO
Legal Block3
Legal Lot Number5
JurisdictionBOULDER CO
Minor Civil DivisionBOULDER
Census Blockgroup1
Census Block1009
Census Tract12101

Owner

Source: Boulder County records · APN 1461-25-1-11-010

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 Address1035 PEARL ST, 205, BOULDER, CO 80302-5156
Owner TypeOwner is a Company

Deeds, Mortgages & Sale History

DateDocument
Sep 25, 2019Quit Claim Deed, Transfer · Commercial Mortgage
MIDFIRST BANK
May 15, 2019Warranty Deed, Transfer
HERITAGE TITLE COMPANY, HERITAGE TITLE CO.
Jul 13, 2018Quit Claim Deed, Transfer
Quitclaim Document

Assessor's Deed Record

Deed NamesVerified Name on Deed
Known Transactions
  • Last Sale Amount on May 15, 2019
  • Deed Sale Price on May 15, 2019
  • Nov 28, 1986
Deed Doc Number20193712428
Last Transfer DateAug 09, 2019
Transfer Doc0003738423
Record RefreshedSep 20, 2026

September 2019: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionBOULDER CO
Recording DateSep 25, 2019
Property Address431 DEWEY AVE, BOULDER, CO 80304-3927
Document Number0003738423
Map ReferenceMB 746 PG 508
Instrument DateAug 09, 2019
Instrument3738423
Transaction TypeTransfer
Record UpdatedApr 15, 2022

Transaction

Tax$0.00
Amount AccuracyZero or No Consideration Stated
Additional
  • Quitclaim Document
  • Interfamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name
Address1035 PEARL ST STE 205, 1035, BOULDER, CO 80302-5156

Transferred To (Grantee/Buyer)

NameVerified Name
Address1035 PEARL ST STE 205, 205, BOULDER, CO 80302-5156

Mortgage

Document Number0003738425
DateSep 25, 2019
Instrument3738425
Lender
NameMIDFIRST BANK
TypeBank
Agreement
TypeCommercial Mortgage
AmountAmount Recorded
Term23 Months
DueAug 08, 2021
Interest
Rate TypeAdjustable Rate

May 2019: Warranty Deed, Transfer

Document TypeWarranty Deed
JurisdictionBOULDER CO
Recording DateMay 15, 2019
Property Address431 DEWEY AVE, BOULDER, CO 80304-3927
Document Number0003712428
Instrument DateMay 14, 2019
Instrument3712428
Transaction TypeTransfer
Record UpdatedMay 23, 2019
Title CompanyHERITAGE TITLE COMPANY, HERITAGE TITLE CO.

Transaction

AmountAmount Recorded
Tax$75.00
Amount AccuracyConfirmed
Additional
  • Arms Length Transaction

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCompany
Address1035 PEARL ST #205 BOULDER CO 803025156, 205, BOULDER, CO 80302-5156

July 2018: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionBOULDER CO
Recording DateJul 13, 2018
Property Address431 DEWEY AVE, BOULDER, CO 80304-3927
Document Number0003665869
Instrument DateJun 26, 2018
Instrument3665869
Transaction TypeTransfer
Record UpdatedJul 20, 2018

Transaction

Tax$0.00
Additional
  • Quitclaim Document
  • Interfamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipRevocable Trust
Address6860 NELSON RD LONGMONT CO 805039009, LONGMONT, CO 80503-9009

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$85,443 (+4.21%) Land $80,288 Building $5,155$1,256,522 (-4.22%) Land $1,180,710 Building $75,812
2025$7,488.00 (+20.41%)$81,993 (+10.13%) Land $73,794 Building $8,199$1,311,900 (+18.06%) Land $1,180,710 Building $131,190
2024$6,219.00 (+1.77%)
2023$6,111.00 (-5.3%)$74,450 (+8.2%) Land $53,600 Building $20,850$1,111,197 (+9.81%) Land $800,000 Building $311,197
2022$6,453.00$68,809 Land $61,928 Building $6,881$1,011,900 Land $910,710 Building $101,190

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