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428 E Mariposa St, Upland, CA 91784 Property Records

San Bernardino County property record for 428 E Mariposa St, Upland, CA 91784 · Last verified July 2026

Property Highlights

Property TypeResidential > Single Family > Home
Bedrooms4 Beds
Bathrooms2 Baths
Year BuiltBuilt 1985
Square Footage1,867 sqft Living Area
Lot Size11,100 sqft (0.255 acres)
OccupancyOwner Occupied
Last Sale$213,000 (1997)
Tax Bill$4,146.00 (2025)

Property Details

APN / Parcel Number

Primary APN1044-521-51-0000

Interior

Bedrooms4 Beds
Full Baths2 Baths
Total Rooms7 Rooms
Building Area1,867 sqft Living Area
Gross Area2,577 sqft Gross Area
1st Floor1,867 sqft 1st Floor
Family RoomFamily Room
Stories1 Stories
FireplaceFireplace
Fireplaces1 Fireplaces

Exterior

Year BuiltBuilt 1985
Effective Year BuiltEffective 1985
Architectural StyleModern Style
Exterior MaterialStucco Exterior
Construction TypeFrame Construction
Roof MaterialWood Shingle Roof
Lot Area11,100 sqft (0.255 acres)
Parking Spaces2 Parking Spaces
Garage TypeAttached Garage
Garage Area710 sqft Garage
Pool TypePool with Hot Tub/Spa Pool Type
Patio Area448 sqft Patio
Porch Area448 sqft Porch

Utilities and HVAC

Cooling SystemCentral Cooling
Heating SystemCentral Heating
SewageMunicipal Sewage
Water SourceCommercial Water Source

Location & Zoning

Street Address428 E MARIPOSA ST
CityUPLAND
StateCA
Zip91784-2078
Property UsageResidential Property Usage
TypeResidential > Single Family > Home
Legal DescriptionTRACT 12593 LOT 19
Legal Tract12593
Legal Block3
Legal Lot Number19
JurisdictionSAN BERNARDINO CA
Minor Civil DivisionONTARIO
Census Blockgroup3
Census Block3002
Census Tract820

Owner

Source: San Bernardino County records · APN 1044-521-51-0000

Assessment roll updated July 14, 2026 · Last verified July 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 Address428 E MARIPOSA ST, UPLAND, CA 91784-2078
OccupancyOwner Occupied
Owner TypeOwner is a Company
VestingTrustor/Debtor (Borrower in Default/Foreclosure On Trustee's Deed)

Deeds, Mortgages & Sale History

DateDocument
Dec 14, 2017Quit Claim Deed, Transfer
ATTORNEY ONLY
Dec 14, 2017Quit Claim Deed, Transfer
ATTORNEY ONLY
Jul 10, 2017Quit Claim Deed, Transfer
NOT AVAILABLE

Assessor's Deed Record

Deed NamesVerified Name on Deed
Last SaleFeb 28, 1997 · Amount on Record
Deed SaleFeb 28, 1997 · Amount on Record
Deed Doc Number199769994
Last Transfer DateNov 13, 2017
Transfer Doc0000528292
Record RefreshedSep 20, 2026

December 2017: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionSAN BERNARDINO CA
Recording DateDec 14, 2017
Property Address428 E MARIPOSA ST, UPLAND, CA 91784-2078
Document Number0000528293
Instrument DateNov 17, 2017
Instrument528293
Transaction TypeTransfer
Record UpdatedJan 03, 2018
Title CompanyATTORNEY ONLY

Transaction

Tax$0.00
Additional
  • Quitclaim Document
  • Interfamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipLiving Trust
Address428 E MARIPOSA ST UPLAND CA 917842078, UPLAND, CA 91784-2078

December 2017: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionSAN BERNARDINO CA
Recording DateDec 14, 2017
Property Address428 E MARIPOSA ST, UPLAND, CA 91784-2078
Document Number0000528292
Instrument DateNov 13, 2017
Instrument528292
Transaction TypeTransfer
Record UpdatedJan 03, 2018
Title CompanyATTORNEY ONLY

Transaction

Tax$0.00
Additional
  • Quitclaim Document
  • Interfamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipSeparate Estate/Property
Address428 E MARIPOSA ST UPLAND CA 917842078, UPLAND, CA 91784-2078

July 2017: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionSAN BERNARDINO CA
Recording DateJul 10, 2017
Property Address428 E MARIPOSA ST, UPLAND, CA 91784-2078
Document Number0000278675
Instrument DateMay 26, 2017
Instrument278675
Transaction TypeTransfer
Record UpdatedJul 17, 2017
Title CompanyNOT AVAILABLE

Transaction

Tax$0.00
Additional
  • Quitclaim Document
  • Interfamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address428 E MARIPOSA ST UPLAND CA 917842078, UPLAND, CA 91784-2078

Tax Assessment & Valuation

Source: San Bernardino County records · Assessment roll updated July 14, 2026 · Last verified July 2026

Property Jurisdictions

TypeName
StateCalifornia
CountySan Bernardino County
MunicipalityUpland City
Unified School DistrictUpland Unified School District (KG - 12)

Tax Bill & Assessment History

Assessed value is set for property tax purposes and is not a market price estimate.

YearTax BillAssessed Value
2026$381,629 (+2%) Land $124,593 Building $257,036
2025$4,146.00 (+4.94%) Homeowner's exemption$374,146 (+4.04%) Land $122,150 Building $251,996
2023$3,951.00 (+2.25%) Homeowner's exemption$359,618 Land $117,407 Building $242,211
2022$3,864.00

Flood & Wildfire

428 E Mariposa St is in FEMA Zone X, outside the Special Flood Hazard Area, with no wildfire exposure.

Flood

Source: FEMA National Flood Hazard Layer · San Bernardino County (06071C), updated October 12, 2026

FEMA Flood ZoneZone X
minimal flood hazard · outside the 0.2% annual chance floodplain
Special Flood Hazard AreaNo

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020

Wildfire Risk to HomesNot rated
no burnable land in reach
Wildfire LikelihoodNegligible
ExposureNone
beyond ember reach of burnable land

Values are read at the parcel center point; lenders make the official flood determination.

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