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12839 Spring Mountain Dr, Rancho Cucamonga, CA 91739 Property Records

San Bernardino County property record for 12839 Spring Mountain Dr, Rancho Cucamonga, CA 91739

Property Summary

Property TypeSingle Family Home
Details5 bd · 2.75 ba · 2,809 sqft · built 2004
Lot Size0.125 acres (5,428 sqft)
Owner2 Individual Names on File
Last Sale$569,000 (Apr 2005)
Tax Bill$10,232 (2025)
Deeds & MortgagesJul 2021 Mortgage
Aug 2018 Mortgage
Flood ZoneZone X (minimal risk)
APN1090-512-35-0000

Property Details

APN / Parcel Number

Primary APN1090-512-35-0000
Alternative APN
  • 0227543350000

Interior

Bedrooms5 Beds
Full Baths2.75 Baths
Half Baths1 Half Bath
Total Rooms7 Rooms
Stories2 Stories
Building Area2,809 sqft Living Area
Gross Area3,479 sqft
1st Floor Area1,532 sqft
2nd Floor Area1,277 sqft
Family RoomFamily Room
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 2004
Effective Year BuiltEffective 2004
Architectural StyleModern
Construction TypeFrame
Roof MaterialTile
Lot Area5,428 sqft (0.125 acres)
View / LotValley
Garage TypeAttached
Garage Area670 sqft
Parking Spaces2 Parking Spaces
PorchPatio/Porch
Porch Area120 sqft

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral
SewerMunicipal
Water SourceCommercial

Location & Zoning

Street Address12839 SPRING MOUNTAIN DR
CityRANCHO CUCAMONGA
StateCA
Zip91739-8844
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionTRACT 16372 LOT 70 BOOK 297 PAGE 19
Legal SubdivisionTRACT NO 16372
Legal Tract16372
Legal Block2
Legal Lot Number70
JurisdictionSAN BERNARDINO CA
Township / Civil DivisionONTARIO
Census Block Group2
Census Block2007
Census Tract2048

Owner

12839 Spring Mountain Dr is owned and occupied by two individuals who acquired it in August 2018.

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

Owner of Record2 Individual Names on File
Mailing Address12839 SPRING MOUNTAIN DR, RANCHO CUCAMONGA, CA 91739-8844
OccupancyOwner Occupied
Owner TypeIndividual
VestingJoint Tenants

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

DateDocument
Jul 30, 2021Deed of Trust, Mortgage · Conventional Mortgage
BANNER BANK
Aug 14, 2018Intrafamily Transfer, Transfer · Conventional Mortgage
EZ FUNDINGS INC

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleApr 20, 2005 · Amount on File
Deed SaleApr 20, 2005 · Amount on File
Prior SaleApr 19, 2005 · Amount on File
Deed Document Number2005275583
Last Transfer DateAug 2, 2018
Transfer Doc0000297270
Record UpdatedSep 20, 2026

July 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSAN BERNARDINO CA
Property Address12839 SPRING MOUNTAIN DR, RANCHO CUCAMONGA, CA 91739-8844
Transaction TypeMortgage
Record UpdatedAug 12, 2021
Title CompanyFIDELITY NATIONAL TITLE

Transferred To (Grantee/Buyer)

NameVerified Name
Address12839 SPRING MOUNTAIN DR, RANCHO CUCAMONGA, CA 91739-8844

Mortgage

Document Number0000344600
DateJul 30, 2021
Instrument2021-0344600
Lender
NameBANNER BANK
TypeBank
AddressWALLA WALLA, WA 99362
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term361 Months
DueAug 1, 2051

August 2018: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionSAN BERNARDINO CA
Recording DateAug 14, 2018
Property Address12839 SPRING MOUNTAIN DR, RANCHO CUCAMONGA, CA 91739-8844
Document Number0000297270
Map ReferenceMB 297 PG 19-25
Instrument DateAug 2, 2018
Instrument2018-0297270
Transaction TypeTransfer
Record UpdatedAug 31, 2021
Title CompanyFIDELITY NATIONAL TITLE COMP

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
Address12839 SPRING MOUNTAIN DR, RANCHO CUCAMONGA, CA 91739-8844

Mortgage

Document Number0000297271
DateAug 14, 2018
Instrument2018-0297271
Lender
NameEZ FUNDINGS INC
TypeLending Institution
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term361 Months
DueSep 1, 2048

Tax Assessment & Valuation

The 2025 property tax bill for 12839 Spring Mountain Dr was $10,232.

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 DistrictEtiwanda Elementary School District (KG - 08)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$808,733 (+2%) Land $202,184 Building $606,549
2025$10,232.00$792,876 Land $198,220 Building $594,656
2023$9,739.00 (+1.27%)$762,088 Land $190,523 Building $571,565
2022$9,617.00

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

Flood

FEMA maps place 12839 Spring Mountain Dr in Zone X, an area of minimal flood risk.

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

Wildfire risk around 12839 Spring Mountain Dr is low, with less than a 0.01% annual chance of wildfire.

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

Wildfire RiskLow
lower than 98% of the US · lower than 98.4% 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 493 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Spectrum
Cable		1,000 / 1,000
Verizon
Fixed Wireless		300 / 20
Starlink
Satellite		280 / 30
T-Mobile
Fixed Wireless		100 / 20

May also be available: Frontier, GeoLinks.

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