400 Mapleton Ave, Boulder, CO 80304 Property Records

Boulder County property record for 400 Mapleton Ave, Boulder, CO 80304 · Last verified June 2026

Property Highlights

Property TypeResidential > Single Family > Home
Bedrooms5 Beds
Bathrooms3 Baths
Year BuiltBuilt 1995
Square Footage3,476 sqft Living Area
Lot Size6,794 sqft (0.156 acres)
GarageDetached, 400 sqft
Last Sale$2,400,000 (2020)
Tax Bill$21,343.00 (2025)

Property Details

APN / Parcel Number

Primary APN1461-25-4-07-005
Alternative APNs
  • R0006823
  • 0006823

Interior

Bedrooms5 Beds
Full Baths3 Baths
Partial Baths3 Partial Baths
Total Rooms10 Rooms
Building Area3,476 sqft Living Area
Gross Area4,233 sqft Gross Area
1st Floor1,424 sqft 1st Floor
Upper Floors1,818 sqft Upper Floors
Basement Area791 sqft Basement
Finished Basement234 sqft Finished
Unfinished Basement557 sqft Unfinished
Stories2 Stories
Interior StructureWallboard/Drywall Interior Structure

Exterior

Year BuiltBuilt 1905
Effective Year BuiltEffective 1995
Exterior MaterialCombination Exterior
Construction TypeMasonry/Concrete Masonry Units (CMUs) Construction
Roof MaterialAsphalt Roof
Lot Area6,794 sqft (0.156 acres)
Parking Spaces2 Parking Spaces
Garage TypeDetached Garage
Garage Area400 sqft Garage
PorchEnclosed Porch
Porch Area400 sqft Porch

Utilities and HVAC

Cooling SystemCentral Cooling
Heating SystemHot Water Heating

Location & Zoning

Account NumberR0006823
Street Address400 MAPLETON AVE
CityBOULDER
StateCO
Zip80304-3983
Property UsageResidential Property Usage
TypeResidential > Single Family > Home
Legal DescriptionLOTS 29 & 30 BLK 5 MAPLETON
Legal Range71
Legal Township1N
Legal Section25
Legal SubdivisionMAPLETON - BO
Legal Block5
Legal Lot Number29
JurisdictionBOULDER CO
Minor Civil DivisionBOULDER
Census Blockgroup4
Census Block4013
Census Tract12101

Owner

Source: Boulder County records · APN 1461-25-4-07-005

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 Address281 LEDROIT ST, LAGUNA BEACH, CA 92651-1346
Owner TypeOwner is a Company
VestingOwner is a Trust, Revocable Trust

Deeds, Mortgages & Sale History

DateDocument
Jun 08, 2026Warranty Deed, Transfer
NONE LISTED ON DOCUMENT
May 05, 2020Warranty Deed, Transfer
KENNETH & JANET WOOD

Assessor's Deed Record

Deed NamesVerified Name on Deed
Known Transactions
  • Last Sale Amount on May 05, 2020
  • Deed Sale Price on May 05, 2020
  • Prior Sale Amount on Nov 01, 2006
Deed Doc Number20203782069
Prior Transfer DateJan 01, 2005
Prior Transfer Doc0002676740
Record RefreshedSep 20, 2026

June 2026: Warranty Deed, Transfer

Document TypeWarranty Deed
JurisdictionBOULDER CO
Recording DateJun 08, 2026
Property Address400 MAPLETON AVE, BOULDER, CO 80304-3983
Document Number0004135110
Instrument DateMay 22, 2026
Instrument20264135110
Transaction TypeTransfer
Record UpdatedJul 12, 2026
Title CompanyNONE LISTED ON DOCUMENT

Transaction

Tax$0.00
Amount AccuracyFull Amount Stated
Additional
  • Arms Length Transaction

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipRevocable Trust
Address281 LEDROIT ST, LAGUNA BEACH, CA 92651-1346

May 2020: Warranty Deed, Transfer

Document TypeWarranty Deed
JurisdictionBOULDER CO
Recording DateMay 05, 2020
Property Address400 MAPLETON AVE, BOULDER, CO 80304-3983
Document Number0003782069
Instrument DateApr 28, 2020
Instrument3782069
Transaction TypeTransfer
Record UpdatedJun 23, 2020
Title CompanyLAND TITLE GUARANTEE

Transaction

AmountAmount Recorded
DownpaymentDownpayment on File
Loan-to-Value (LTV)LTV on Record
Tax$240.00
Amount AccuracyConfirmed
Additional
  • Arms Length Transaction

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenant/Joint Tenant w/ Right Of Survivorship
Address400 MAPLETON AVE BOULDER CO 803043983, BOULDER, CO 80304-3983

Mortgage

Document Number3782280
DateMay 05, 2020
Instrument3782280
Lender
NameKENNETH & JANET WOOD
Address230 3RD AVE S # 6, NAPLES, FL 34102-6378
Special NotesLender is also the Seller
Agreement
AmountAmount Recorded
Term60 Months
DueMay 04, 2025
Interest
Rate4.25%

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$242,624 (+8.8%) Land $110,235 Building $132,389$3,568,000 (-) Land $1,621,100 Building $1,946,900
2025$21,343.00 (+2.81%)$223,000 (-7.05%) Land $101,319 Building $121,681$3,568,000 (-0.36%) Land $1,621,100 Building $1,946,900
2024$20,760.00 (+1.76%)
2023$20,400.00 (+30.04%)$239,913 (+42.01%) Land $103,863 Building $136,050$3,580,800 (+47.31%) Land $1,550,200 Building $2,030,600
2022$15,688.00$168,941 Land $78,382 Building $90,559$2,430,800 Land $1,127,800 Building $1,303,000

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