1. Home
  2. Colorado
  3. Boulder County
  4. Boulder
  5. Mapleton Ave

1743 Mapleton Ave, Boulder, CO 80304 Property Records

Boulder County property record for 1743 Mapleton Ave, Boulder, CO 80304 · Last verified June 2026

Property Highlights

Property TypeResidential > Single Family > Home
Bedrooms5 Beds
Bathrooms2.5 Baths
Year BuiltBuilt 1985
Square Footage1,836 sqft Living Area
Lot Size5,143 sqft (0.118 acres)
OccupancyOwner Occupied
Last Sale$812,500 (2009)
Tax Bill$9,534.00 (2025)

Property Details

APN / Parcel Number

Primary APN1463-30-2-38-001
Alternative APNs
  • R0006417
  • 0006417

Interior

Bedrooms5 Beds
Full Baths2.5 Baths
Partial Baths1 Partial Baths
Total Rooms7 Rooms
Building Area1,836 sqft Living Area
Gross Area2,298 sqft Gross Area
1st Floor1,062 sqft 1st Floor
Upper Floors774 sqft Upper Floors
Basement Area390 sqft Basement
Stories2 Stories
Interior StructurePlaster Interior Structure

Exterior

Year BuiltBuilt 1920
Effective Year BuiltEffective 1985
Exterior MaterialCombination Exterior
Construction TypeMasonry/Concrete Masonry Units (CMUs) Construction
Roof MaterialAsphalt Roof
Lot Area5,143 sqft (0.118 acres)
Parking Spaces1 Parking Spaces
Garage TypeCarport Garage
Garage Area374 sqft Garage
CarportCarport
Carport Area374 sqft Carport
PorchEnclosed Porch
Porch Area518 sqft Porch

Utilities and HVAC

Heating SystemForced Air with Air Conditioning Heating

Location & Zoning

Account NumberR0006417
Street Address1743 MAPLETON AVE
CityBOULDER
StateCO
Zip80304-4263
Property UsageResidential Property Usage
TypeResidential > Single Family > Home
Legal DescriptionTRACT A STEAD MINOR & 6 FT VAC ALLEY
Legal Range70
Legal Township1N
Legal Section30
Legal SubdivisionSTEAD MINOR - BO
Legal TractA
Legal Block1
Legal Lot Number12
JurisdictionBOULDER CO
Minor Civil DivisionBOULDER
Census Blockgroup1
Census Block1012
Census Tract12106

Owner

Source: Boulder County records · APN 1463-30-2-38-001

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 Address1743 MAPLETON AVE, BOULDER, CO 80304-4263
OccupancyOwner Occupied
Owner TypeOwner is a Company
VestingOwner is a Trust, Living Trust

Deeds, Mortgages & Sale History

DateDocument
Aug 14, 2019Deed of Trust, Mortgage · Conventional Mortgage
COMMERCE HOME MORTGAGE LLC
Sep 30, 2020Deed of Trust, Mortgage · Conventional Mortgage
COMMERCE HOME MORTGAGE LLC
Sep 03, 2019Quit Claim Deed, Transfer
NOT AVAILABLE
Mar 14, 2019Quit Claim Deed, Transfer
Quitclaim Document
Jan 07, 2019Intrafamily Transfer, Transfer · Conventional Mortgage
COMMERCE MORTGAGE

Assessor's Deed Record

Deed NamesVerified Name on Deed
Known Transactions
  • Last Sale Amount on Jul 06, 2009
  • Deed Sale Price on Jul 06, 2009
  • Prior Sale Amount on Mar 31, 1993
Deed Doc Number20093013670
Last Transfer DateJul 29, 2009
Transfer Doc0003021083
Record RefreshedSep 20, 2026

August 2019: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionBOULDER CO
Property Address1743 MAPLETON AVE, BOULDER, CO 80304-4263
Transaction TypeMortgage
Record UpdatedJul 26, 2022
Title CompanyFIRST AMERICAN TITLE INS CO

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0003730013
DateAug 14, 2019
Instrument3730013
Lender
NameCOMMERCE HOME MORTGAGE LLC
TypeMortgage Company
AddressSAN RAMON, CA 94583
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueSep 01, 2049

September 2020: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionBOULDER CO
Property Address1743 MAPLETON AVE, BOULDER, CO 80304-4263
Transaction TypeMortgage
Record UpdatedJul 26, 2022
Title CompanyFIRST AMERICAN TITLE INS CO

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0003820028
DateSep 30, 2020
Instrument3820028
Lender
NameCOMMERCE HOME MORTGAGE LLC
TypeMortgage Company
AddressIRVINE, CA 92606
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term360 Months
DueSep 01, 2050

September 2019: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionBOULDER CO
Recording DateSep 03, 2019
Property Address1743 MAPLETON AVE, BOULDER, CO 80304-4263
Document Number0003733853
Instrument DateJul 30, 2019
Instrument3733853
Transaction TypeTransfer
Record UpdatedSep 13, 2019
Title CompanyNOT AVAILABLE

Transaction

Tax$0.00
Additional
  • Quitclaim Document
  • Interfamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipLiving Trust
Address1743 MAPLETON AVE BOULDER CO 803044263, BOULDER, CO 80304-4263

March 2019: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionBOULDER CO
Recording DateMar 14, 2019
Property Address1743 MAPLETON AVE, BOULDER, CO 80304-4263
Document Number0003702369
Instrument DateMar 08, 2019
Instrument3702369
Transaction TypeTransfer
Record UpdatedMar 22, 2019

Transaction

Tax$0.00
Additional
  • Quitclaim Document
  • Interfamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address1743 MAPLETON AVE BOULDER CO 803044263, BOULDER, CO 80304-4263

January 2019: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionBOULDER CO
Recording DateJan 07, 2019
Property Address1743 MAPLETON AVE, BOULDER, CO 80304-4263
Document Number0003693028
Instrument DateDec 21, 2018
Instrument3693028
Transaction TypeTransfer
Record UpdatedJul 26, 2022
Title CompanyFIRST AMERICAN TITLE

Transaction

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

Transferred From (Grantor/Seller)

NameVerified Name
Address00000

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants
Address1743 MAPLETON AVE, BOULDER, CO 80304-4263

Mortgage

Document Number0003693029
DateJan 07, 2019
Instrument3693029
Lender
NameCOMMERCE MORTGAGE
TypeMortgage Company
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term360 Months
DueJan 01, 2049

Tax Assessment & Valuation

Source: Boulder County records · Assessment roll updated June 15, 2026 · Last verified June 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$108,800 (-5.66%) Land $61,479 Building $47,321$1,600,000 (-13.29%) Land $904,100 Building $695,900
2025$9,534.00 (-9.75%)$115,325 (-6.92%) Land $57,519 Building $57,806$1,845,200 (-0.22%) Land $920,300 Building $924,900
2024$10,564.00 (+1.76%)
2023$10,381.00 (+13.94%)$123,897 (+26.28%) Land $60,575 Building $63,322$1,849,210 (+30.99%) Land $904,100 Building $945,110
2022$9,111.00$98,113 Land $47,274 Building $50,839$1,411,700 Land $680,200 Building $731,500

Nearby Properties on Mapleton Ave

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

By searching, you agree to: Terms • Privacy • Disclosures