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1427 Mapleton Ave, Boulder, CO 80304 Property Records

Boulder County property record for 1427 Mapleton Ave, Boulder, CO 80304 · Last verified August 2026

Property Highlights

Property TypeResidential > Multi-Unit > Multi-Family Dwellings
Bedrooms6 Beds
Bathrooms5 Baths
Year BuiltBuilt 1956
Square Footage3,630 sqft Living Area
Lot Size5,133 sqft (0.118 acres)
Last Sale$345,060 (1995)
Tax Bill$10,566.00 (2025)

Property Details

APN / Parcel Number

Primary APN1463-30-2-32-010
Alternative APNs
  • R0008324
  • 0008324

Interior

Bedrooms6 Beds
Full Baths5 Baths
Total Rooms16 Rooms
Units10 Units
Building Area3,630 sqft Living Area
1st Floor1,815 sqft 1st Floor
Upper Floors1,815 sqft Upper Floors
Basement Area1,815 sqft Basement
Finished Basement1,815 sqft Finished
Stories1 Stories
Interior StructureWallboard/Drywall Interior Structure

Exterior

Year BuiltBuilt 1956
Effective Year BuiltEffective 1956
Exterior MaterialBrick Veneer Exterior
Construction TypeMasonry/Concrete Masonry Units (CMUs) Construction
Lot Area5,133 sqft (0.118 acres)

Utilities and HVAC

Heating SystemForced Air with Air Conditioning Heating

Location & Zoning

Account NumberR0008324
Street Address1427 MAPLETON AVE
CityBOULDER
StateCO
Zip80304-4162
Property UsageResidential Property Usage
TypeResidential > Multi-Unit > Multi-Family Dwellings
Legal DescriptionLOT 10 & 5 FT STRIP ON S BLK 176 BOULDER & LOT 9 BLK 10 BOULDER NORTH
Legal Range70
Legal Township1N
Legal Section30
Legal SubdivisionBOULDER O T EAST & WEST & NORTH - BO
Legal Block176,1
Legal Lot Number9
JurisdictionBOULDER CO
Minor Civil DivisionBOULDER
Census Blockgroup1
Census Block1015
Census Tract12106

Owner

Source: Boulder County records · APN 1463-30-2-32-010

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 RecordCompany Name on File
Mailing Address1437 MAPLETON AVE, BOULDER, CO 80304-4160
Owner TypeOwner is a Company

Deeds, Mortgages & Sale History

DateDocument
Dec 16, 2020Quit Claim Deed, Transfer
LAND TITLE GUARANTEE
Jan 20, 2021Correction Deed, Transfer
LAND TITLE GUARANTEE
Dec 16, 2020Warranty Deed, Transfer
LAND TITLE GUARANTEE

Assessor's Deed Record

Deed NamesVerified Name on Deed
Known Transactions
  • Last Sale Amount on Nov 01, 1995
  • Deed Sale Price on Nov 01, 1995
  • Prior Sale Amount on Feb 01, 1993
Deed Doc Number19951559413
Record RefreshedSep 20, 2026

December 2020: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionBOULDER CO
Recording DateDec 16, 2020
Property Address1427 MAPLETON AVE, BOULDER, CO 80304-4162
Document Number0003842371
Instrument DateDec 15, 2020
Instrument3842371
Transaction TypeTransfer
Record UpdatedJan 25, 2021
Title CompanyLAND TITLE GUARANTEE

Transaction

Tax$0.00
Additional
  • Quitclaim Document
  • Interfamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCompany
Address1421 MAPLETON AVE BOULDER CO 803044160, BOULDER, CO 80304-4160

January 2021: Correction Deed, Transfer

Document TypeCorrection Deed
JurisdictionBOULDER CO
Recording DateJan 20, 2021
Property Address1427 MAPLETON AVE, BOULDER, CO 80304-4162
Document Number0003852310
Instrument DateDec 15, 2020
Instrument3852310
Transaction TypeTransfer
Record UpdatedFeb 23, 2021
Title CompanyLAND TITLE GUARANTEE

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCompany
Address1421 MAPLETON AVE BOULDER CO 803044160, BOULDER, CO 80304-4160

December 2020: Warranty Deed, Transfer

Document TypeWarranty Deed
JurisdictionBOULDER CO
Recording DateDec 16, 2020
Property Address1427 MAPLETON AVE, BOULDER, CO 80304-4162
Document Number0003842372
Instrument DateDec 10, 2020
Instrument3842372
Transaction TypeTransfer
Record UpdatedJan 25, 2021
Title CompanyLAND TITLE GUARANTEE

Transaction

AmountAmount Recorded
Tax$125.00
Amount AccuracyConfirmed
Additional
  • Arms Length Transaction

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address1427 MAPLETON AVE BOULDER CO 803044162, BOULDER, CO 80304-4162

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$115,967 (+8.8%) Land $55,474 Building $60,493$1,705,400 (-) Land $815,800 Building $889,600
2025$10,566.00 (-5.9%)$106,588 (-16.05%) Land $50,988 Building $55,600$1,705,400 (-1%) Land $815,800 Building $889,600
2024$11,228.00 (+1.89%)
2023$11,020.00 (+33.8%)$126,959 (+49.96%) Land $54,659 Building $72,300$1,894,900 (+52.2%) Land $815,800 Building $1,079,100
2022$8,236.00$84,660 Land $34,000 Building $50,660$1,245,000 Land $500,000 Building $745,000

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