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1816 Wellspring Dr, Diamond Bar, CA 91765 Property Records

Los Angeles County property record for 1816 Wellspring Dr, Diamond Bar, CA 91765

Property Summary

Property TypeSingle Family Home
Details5 bd · 5 ba · 3,024 sqft · built 1977
Lot Size0.621 acres (27,057 sqft)
Owner2 Company Names on Record
Last Sale$830,000 (Sep 2013)
Tax Bill$14,542 (2025)
Deeds & MortgagesJan 2019 Transfer
Flood ZoneZone X (minimal risk)
APN8292-018-004

Property Details

APN / Parcel Number

Primary APN8292-018-004

Interior

Bedrooms5 Beds
Full Baths5 Baths
Total Rooms13 Rooms
Stories2 Stories
Building Area3,024 sqft Living Area
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1977
Effective Year BuiltEffective 1980
Architectural StyleConventional
Exterior MaterialStucco
Construction TypeWood
Roof TypeGable
Roof MaterialWood Shingle
Lot Area27,057 sqft (0.621 acres)
Lot Dimensions272 ft deep x 102 ft wide
Garage TypeAttached

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral
Water SourceCommercial

Location & Zoning

Street Address1816 WELLSPRING DR
CityDIAMOND BAR
StateCA
Zip91765-2759
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeLCR1*
Legal Description*TR=28579 LOT 19
Legal Subdivision28579
Legal Tract28579
Legal Block2
Legal Lot Number19
JurisdictionLOS ANGELES CA
Township / Civil DivisionEAST SAN GABRIEL VALLEY
Census Block Group2
Census Block2000
Census Tract403328

Owner

Source: Los Angeles County records, as of August 25, 2026

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

Owner of Record2 Company Names on Record
Mailing Address1816 WELLSPRING DR, DIAMOND BAR, CA 91765-2759
Owner TypeCompany
VestingBorrower in Default

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleSep 12, 2013 · Amount on Record
Deed SaleSep 12, 2013 · Amount on Record
Prior SaleMay 11, 2001 · Amount on Record
Deed Document Number20131327444
Last Transfer DateDec 14, 2018
Transfer Doc0000002798
Record UpdatedOct 29, 2026

January 2019: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionLOS ANGELES CA
Recording DateJan 2, 2019
Property Address1816 WELLSPRING DR, DIAMOND BAR, CA 91765-2759
Document Number0000002798
Instrument DateDec 14, 2018
Instrument2798
Transaction TypeTransfer
Record UpdatedJan 14, 2019
Title CompanyATTORNEY ONLY

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipRevocable Trust
Address1816 WELLSPRING DR DIAMOND BAR CA 917652759, DIAMOND BAR, CA 91765-2759

Tax Assessment & Valuation

Source: Los Angeles County assessment roll, as of August 25, 2026

Property Jurisdictions

TypeName
StateCalifornia
CountyLos Angeles County
MunicipalityDiamond Bar City
Unified School DistrictWalnut Valley Unified School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$1,170,236 (+2%) Land $534,030 Building $636,206
2025$14,542.00 (+7.42%)$1,147,291 (+4.04%) Land $523,559 Building $623,732
2023$13,538.00 (+2.48%)$1,102,742 Land $503,230 Building $599,512
2022$13,211.00

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

Flood

Source: FEMA National Flood Hazard Layer, effective September 30, 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 RiskLow
lower than 67% of the US · lower than 81% of California
Wildfire Likelihood0.02% annual chance
ExposureDirect
burnable vegetation

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 SystemWALNUT VALLEY WATER DISTRICT
serves 100,941 people · EPA ID CA1910234
Water SourcePurchased surface water from several systems
Last State InspectionJun 2023
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 441 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Spectrum
Cable		1,000 / 35

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

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