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  5. Alpine St

9820 Alpine St, Rancho Cucamonga, CA 91730 Property Records

San Bernardino County property record for 9820 Alpine St, Rancho Cucamonga, CA 91730

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 1,696 sqft · built 1957
Lot Size0.193 acres (8,400 sqft)
OwnerIndividual Name on Record
Last Sale$620,000 (Apr 2024)
Tax Bill$6,737 (2025)
Deeds & MortgagesApr 2024 Sale & Mortgage
Flood ZoneZone X (minimal risk)
APN0209-283-01-0000

Property Details

APN / Parcel Number

Primary APN0209-283-01-0000

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms7 Rooms
Stories1 Story
Building Area1,696 sqft Living Area
Gross Area2,056 sqft
1st Floor Area1,696 sqft
Family RoomFamily Room

Exterior

Year BuiltBuilt 1957
Effective Year BuiltEffective 1957
Architectural StyleModern
Exterior MaterialBlock
Construction TypeFrame
Lot Area8,400 sqft (0.193 acres)
Garage TypeAttached
Garage Area360 sqft
Parking Spaces1 Parking Space
PorchPatio/Porch
Porch Area30 sqft
Patio Area30 sqft

Utilities, Heating & Cooling

Cooling SystemNone
Heating SystemFloor/Wall Furnace
SewerConnected
Water SourceCommercial

Location & Zoning

Street Address9820 ALPINE ST
CityRANCHO CUCAMONGA
StateCA
Zip91730-4601
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionTRACT 5347 LOT 53
Legal SubdivisionTRACT NO. 5347
Legal Tract5347
Legal Block2
Legal Lot Number53
JurisdictionSAN BERNARDINO CA
Township / Civil DivisionONTARIO
Census Block Group2
Census Block2000
Census Tract2105

Owner

Source: San Bernardino County records, as of July 14, 2026

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

Owner of RecordIndividual Name on Record
Mailing Address9820 ALPINE ST, RANCHO CUCAMONGA, CA 91730-4601
OccupancyOwner Occupied
Owner TypeIndividual
VestingSingle Man

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleApr 9, 2024 · Amount on Record
Deed SaleApr 9, 2024 · Amount on Record
Deed Document Number202478942
Prior Transfer DateJan 6, 2004
Prior Transfer Doc0000066896
Record UpdatedSep 20, 2026

April 2024: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionSAN BERNARDINO CA
Recording DateApr 9, 2024
Property Address9820 ALPINE ST, RANCHO CUCAMONGA, CA 91730-4601
Document Number0000078942
Map ReferenceMB 66 PG 11&12
Instrument DateMar 13, 2024
Instrument2024-0078942
Transaction TypeTransfer
Record UpdatedApr 22, 2024
Title CompanyFIRSTAMERICAN TITLE COMPANY, FIRST AMERICAN TITLE COMPANY

Transaction

AmountAmount Recorded
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$0.00
Amount AccuracyRounded by County
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address9820 ALPINE ST, RANCHO CUCAMONGA, CA 91730-4601

Mortgage

Document Number0000078943
DateApr 9, 2024
Instrument2024-0078943
Lender
NameROCKET MORTGAGE LLC
TypeMortgage Company
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueMay 1, 2054

Tax Assessment & Valuation

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

Property Jurisdictions

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

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$645,048 (+2%) Land $225,767 Building $419,281
2025$6,737.00 (+313.06%)$632,400 (+300.52%) Land $221,340 Building $411,060
2023$1,631.00 (+1.94%) Homeowner's exemption$157,894 Land $23,022 Building $134,872
2022$1,600.00

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.

Flood

Source: FEMA National Flood Hazard Layer, effective October 12, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Nearby Flood Policies2 in force
Nearby Flood Claims1 (1994)
Most Recent ClaimOct 1994 · rainfall accumulation

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

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

Wildfire RiskLow
lower than 99.8% of the US · lower than 99.8% of California
Wildfire LikelihoodUnder 0.01% annual chance
ExposureNone
beyond 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 560 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Spectrum
Cable		1,000 / 1,000
Starlink
Satellite		280 / 30

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

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