21066 Granite Wells Dr, Walnut, CA 91789 Property Records

Los Angeles County property record for 21066 Granite Wells Dr, Walnut, CA 91789

Property Summary

Property Type	Single Family Home
Details	5 bd · 3 ba · 2,307 sqft · built 1988
Lot Size	0.228 acres (9,930 sqft)
Owner	Individual Name on File
Last Sale	$1,000,000 (Feb 2017)
Tax Bill	$15,015 (2025)
Deeds & Mortgages	Oct 2020 Mortgage Apr 2020 Mortgage + 1 more
Flood Zone	Zone D (undetermined)
APN	`8710-030-028`

Property Details

APN / Parcel Number

Primary APN	`8710-030-028`

Interior

Bedrooms	5 Beds
Full Baths	3 Baths
Building Area	2,307 sqft Living Area

Exterior

Year Built	Built 1988
Effective Year Built	Effective 1988
Construction Type	Wood
Lot Area	9,930 sqft (0.228 acres)
Lot Dimensions	110 ft deep x 101 ft wide

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	21066 GRANITE WELLS DR
City	WALNUT
State	CA
Zip	91789-1360
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	WASP1*
Legal Description	TR=40533 LOT 186
Legal Subdivision	40533
Legal Tract	40533
Legal Block	1
Legal Lot Number	186
Jurisdiction	LOS ANGELES CA
Township / Civil Division	EAST SAN GABRIEL VALLEY
Census Block Group	1
Census Block	1000
Census Tract	403409

Owner

21066 Granite Wells Dr is owned and occupied by an individual who bought it in February 2017.

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

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

Owner of Record	Individual Name on File
Mailing Address	21066 GRANITE WELLS DR, WALNUT, CA 91789-1360
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Oct 22, 2020	Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LOANS LLC
Apr 1, 2020	Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LNS
Feb 9, 2017	Grant Deed, Transfer BANK OF AMERICA

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Feb 9, 2017 · Amount on File
Deed Sale	Feb 9, 2017 · Amount on File
Prior Sale	Feb 18, 2016 · Amount on File
Deed Document Number	2017166071
Prior Transfer Date	Oct 29, 2012
Prior Transfer Doc	0001718761
Record Updated	Oct 29, 2026

October 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	21066 GRANITE WELLS DR, WALNUT, CA 91789-1360
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	FIRST AMERICAN TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	21066 GRANITE WELLS DR, WALNUT, CA 91789-1360

Mortgage

Document Number	0001317436
Date	Oct 22, 2020
Instrument	20-1317436

Lender

Name	QUICKEN LOANS LLC
Type	Mortgage Company
Address	DETROIT, MI 48226

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	181 Months
Due	Nov 1, 2035

April 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	21066 GRANITE WELLS DR, WALNUT, CA 91789-1360
Document Number	0000391316
Instrument Date	Apr 1, 2020
Transaction Type	Mortgage
Record Updated	May 7, 2020
Title Company	FIRST AMERICAN TITLE, FIRST AMERICAN TITLE CO LOS AN

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	21066 GRANITE WELLS DR WALNUT CA 917891360, WALNUT, CA 91789-1360

Mortgage

Document Number	0000391316
Date	Apr 7, 2020
Instrument	391316

Lender

Name	QUICKEN LNS
Type	Funding / Finance Company
Address	DETROIT, MI 48226

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	180 Months
Due	Apr 6, 2035

February 2017: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	LOS ANGELES CA
Recording Date	Feb 9, 2017
Property Address	21066 GRANITE WELLS DR, WALNUT, CA 91789-1360
Document Number	0000166071
Instrument Date	Jan 10, 2017
Instrument	166071
Transaction Type	Transfer
Record Updated	Feb 15, 2017
Title Company	CONSUMERS TITLE COMPANY, CONSUMERS TITLE CO

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$1,100.00
Amount Accuracy	Full Value
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	21066 GRANITE WELLS DR WALNUT CA 917891360, WALNUT, CA 91789-1360

Mortgage

Document Number	166072
Date	Feb 9, 2017
Instrument	166072

Lender

Name	BANK OF AMERICA
Type	Bank
Address	CHARLOTTE, NC 28255

Agreement

Amount	Amount on Record
Term	360 Months
Due	Feb 8, 2047

Tax Assessment & Valuation

The 2025 property tax bill for 21066 Granite Wells Dr was $15,015 with a homeowner's exemption.

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

Property Jurisdictions

Type	Name
State	California
County	Los Angeles County
Municipality	Walnut City
Unified School District	Walnut Valley Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$1,183,788 (+2%) Land $735,607 Building $448,181
2025	$15,015.00 Homeowner's exemption	$1,160,578 Land $721,184 Building $439,394
2023	$14,016.00 (+2.02%) Homeowner's exemption	$1,115,514 Land $693,181 Building $422,333
2022	$13,739.00

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

Flood

FEMA maps place 21066 Granite Wells Dr in Zone D, where flood risk has not been studied.

Source: FEMA National Flood Hazard Layer, effective September 30, 2026

FEMA Flood Zone	Zone D undetermined · not studied
Flood Insurance Requirement	Not required lenders may require it

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

Wildfire

Wildfire risk around 21066 Granite Wells Dr is low, with a 0.02% annual chance of wildfire.

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

Wildfire Risk	Low lower than 96% of the US · lower than 97.4% of California
Wildfire Likelihood	0.02% annual chance
Exposure	None 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 System	GSWC-SAN DIMAS private · serves 56,564 people · EPA ID CA1910142
Water Source	Purchased surface water from several systems
Last State Inspection	May 2025
Lead	2 ppb (2024–2026) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None 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 118 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Frontier Fiber	7,000 / 7,000
Spectrum Cable	1,000 / 35

May also be available: Verizon.

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