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10998 Sinclair St, Rancho Cucamonga, CA 91701 Property Records

San Bernardino County property record for 10998 Sinclair St, Rancho Cucamonga, CA 91701

Property Summary

Property TypeSingle Family Home
Details4 bd · 3 ba · 1,956 sqft · built 1988
Lot Size0.158 acres (6,900 sqft)
Owner2 Individual Names on Record
Last Sale$915,000 (Aug 2026)
Tax Bill$7,280 (2025)
Deeds & MortgagesAug 2026 Sale & Mortgage
Oct 2025 Mortgage
+ 3 more
Flood ZoneZone X (minimal risk)
APN1076-571-31-0000

Property Details

APN / Parcel Number

Primary APN1076-571-31-0000

Interior

Bedrooms4 Beds
Full Baths3 Baths
Total Rooms8 Rooms
Stories2 Stories
Building Area1,956 sqft Living Area
Gross Area2,576 sqft
1st Floor Area1,167 sqft
2nd Floor Area789 sqft
Family RoomFamily Room
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1988
Effective Year BuiltEffective 1988
Architectural StyleModern
Construction TypeFrame
Roof MaterialTile
Lot Area6,900 sqft (0.158 acres)
View / LotAverage
Garage TypeAttached
Garage Area620 sqft
Parking Spaces2 Parking Spaces
PorchSlab
Porch Area30 sqft
Patio Area30 sqft

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral
SewerMunicipal
Water SourceCommercial

Location & Zoning

Street Address10998 SINCLAIR ST
CityRANCHO CUCAMONGA
StateCA
Zip91701-7614
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionTRACT 13059 LOT 121
Legal SubdivisionTRACT 13059
Legal Tract13059
Legal Block2
Legal Lot Number121
JurisdictionSAN BERNARDINO CA
Township / Civil DivisionONTARIO
Census Block Group2
Census Block2002
Census Tract2029

Owner

Source: San Bernardino County records, as of September 11, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record2 Individual Names on Record
Mailing Address10998 SINCLAIR ST, RANCHO CUCAMONGA, CA 91701-7614
OccupancyOwner Occupied
Owner TypeIndividual
VestingHusband and Wife

Deeds, Mortgages & Sale History

DateDocument
Aug 28, 2026Grant Deed, Transfer · Conventional Mortgage
EQUITY SMART HOME LOANS INC
Oct 7, 2025Deed of Trust, Mortgage · Conventional Mortgage
ROCKET MORTGAGE LLC
Aug 16, 2023Intrafamily Transfer, Transfer · Conventional Mortgage
ROCKET MORTGAGE LLC
Jul 12, 2022Deed of Trust, Mortgage · Conventional Mortgage
ROCKET MORTGAGE LLC
Jun 3, 2021Deed of Trust, Mortgage · FHA Mortgage
QUICKEN LOANS LLC

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleAug 28, 2026 · Amount on Record
Deed SaleAug 28, 2026 · Amount on Record
Prior SaleJun 16, 2008 · Amount on Record
Deed Document Number2026228237
Prior Transfer DateAug 10, 2023
Prior Transfer Doc0000201319
Record UpdatedOct 29, 2026

August 2026: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionSAN BERNARDINO CA
Recording DateAug 28, 2026
Property Address10998 SINCLAIR ST, RANCHO CUCAMONGA, CA 91701-7614
Document Number0000228237
Instrument DateAug 7, 2026
Instrument2026228237
Transaction TypeTransfer
Record UpdatedSep 11, 2026
Title CompanyN TITLE COMPANY, SOCAL TITLE COMPANY

Transaction

AmountAmount Recorded
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$101,656.50
Amount AccuracyFull Amount Stated
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address10998 SINCLAIR ST, RANCHO CUCAMONGA, CA 91701-7614

Mortgage

Document Number0000228238,
DateAug 28, 2026
Instrument2026228238
Lender
NameEQUITY SMART HOME LOANS INC
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term360 Months
DueSep 1, 2056
Interest
Rate TypeFixed Rate
Initial TypeFixed Rate
Max Rate-1%

October 2025: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSAN BERNARDINO CA
Property Address10998 SINCLAIR ST, RANCHO CUCAMONGA, CA 91701-7614
Transaction TypeMortgage
Record UpdatedOct 27, 2025

Transferred To (Grantee/Buyer)

NameVerified Name
Address10998 SINCLAIR ST, RANCHO CUCAMONGA, CA 91701-7614

Mortgage

Document Number0000241755
DateOct 7, 2025
Instrument2025-0241755
Lender
NameROCKET MORTGAGE LLC
TypeMortgage Company
AddressDETROIT, MI 48226
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueNov 1, 2055

August 2023: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionSAN BERNARDINO CA
Recording DateAug 16, 2023
Property Address10998 SINCLAIR ST, RANCHO CUCAMONGA, CA 91701-7614
Document Number0000201319
Map ReferenceMB 197 PG 41-744
Instrument DateAug 10, 2023
Instrument2023-0201319
Transaction TypeTransfer
Record UpdatedAug 28, 2023

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants
Address10998 SINCLAIR ST, RANCHO CUCAMONGA, CA 91701-7614

Mortgage

Document Number0000201320
DateAug 16, 2023
Instrument2023-0201320
Lender
NameROCKET MORTGAGE LLC
TypeMortgage Company
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueSep 1, 2053

July 2022: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSAN BERNARDINO CA
Property Address10998 SINCLAIR ST, RANCHO CUCAMONGA, CA 91701-7614
Transaction TypeMortgage
Record UpdatedJul 28, 2022

Transferred To (Grantee/Buyer)

NameVerified Name
Address10998 SINCLAIR ST, RCH CUCAMONGA, CA 91701-7614

Mortgage

Document Number0000242794
DateJul 12, 2022
Instrument2022-0242794
Lender
NameROCKET MORTGAGE LLC
TypeMortgage Company
AddressDETROIT, MI 48226
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueAug 1, 2052

June 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSAN BERNARDINO CA
Property Address10998 SINCLAIR ST, RANCHO CUCAMONGA, CA 91701-7614
Transaction TypeMortgage
Record UpdatedJun 17, 2021
Title CompanyBOSTON NATIONAL TITLE

Transferred To (Grantee/Buyer)

NameVerified Name
Address10998 SINCLAIR ST, RANCHO CUCAMONGA, CA 91701-7614

Mortgage

Document Number0000254095
DateJun 3, 2021
Instrument2021-0254095
Lender
NameQUICKEN LOANS LLC
TypeMortgage Company
AddressDETROIT, MI 48226
Agreement
TypeFHA Mortgage
AmountAmount Recorded
Term360 Months
DueJun 1, 2051

Tax Assessment & Valuation

Source: San Bernardino County assessment roll, as of July 14, 2026

Property Jurisdictions

TypeName
StateCalifornia
CountySan Bernardino County
MunicipalityRancho Cucamonga City
Elementary School DistrictAlta Loma Elementary School District (KG - 08)
Secondary School DistrictChaffey Joint Union High School District (09 - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$602,903 (+2%) Land $150,726 Building $452,177
2025$7,280.00 (+5.43%) Homeowner's exemption$591,082 (+4.04%) Land $147,771 Building $443,311
2023$6,905.00 (+0.77%) Homeowner's exemption$568,130 Land $142,033 Building $426,097
2022$6,852.00

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

Flood

Source: FEMA National Flood Hazard Layer, effective October 12, 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it

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

Wildfire

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

Wildfire RiskNot rated
no burnable land within ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water SystemCUCAMONGA VALLEY WATER DISTRICT
serves 213,375 people · EPA ID CA3610018
Water SourceSurface water
Last State InspectionFeb 2025
LeadUnder 1 ppb (2022–2024)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 626 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Spectrum
Cable		1,000 / 1,000

May also be available: GeoLinks, T-Mobile, Verizon.

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