21055 Granite Wells Dr, Walnut, CA 91789 Property Records

Los Angeles County property record for 21055 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	0.308 acres (13,428 sqft)
Owner	2 Individual Names on Record
Last Sale	$391,000 (Aug 2000)
Tax Bill	$8,533 (2025)
Deeds & Mortgages	Jun 2023 Transfer Apr 2023 Transfer
Flood Zone	Zone D (undetermined)
APN	`8710-022-028`

Property Details

APN / Parcel Number

Primary APN	`8710-022-028`

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	13,428 sqft (0.308 acres)
Lot Dimensions	244 ft deep x 65 ft wide

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	21055 GRANITE WELLS DR
City	WALNUT
State	CA
Zip	91789-1361
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	WASP1*
Legal Description	TR=40533 POR OF LOT 188
Legal Subdivision	40533
Legal Tract	40533
Legal Block	1
Legal Lot Number	188
Jurisdiction	LOS ANGELES CA
Township / Civil Division	EAST SAN GABRIEL VALLEY
Census Block Group	1
Census Block	1020
Census Tract	403409

Owner

Source: Los Angeles County records, as of May 21, 2026

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

Owner of Record	2 Individual Names on Record
Mailing Address	21055 GRANITE WELLS DR, WALNUT, CA 91789-1361
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Jun 27, 2023	Transfer on Death Deed, Transfer
Apr 21, 2023	Affidavit of Death of Joint Tenant, Transfer

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Aug 16, 2000 · Amount on Record
Deed Sale	Aug 16, 2000 · Amount on Record
Deed Document Number	20001279925
Last Transfer Date	Jun 15, 2023
Transfer Doc	0000418468
Record Updated	Sep 20, 2026

June 2023: Transfer on Death Deed, Transfer

Document Type	Transfer on Death Deed
Jurisdiction	LOS ANGELES CA
Recording Date	Jun 27, 2023
Property Address	21055 GRANITE WELLS DR, WALNUT, CA 91789-1361
Document Number	0000418468
Map Reference	MB 1078 PG 16-35
Instrument Date	Jun 15, 2023
Instrument	23-0418468
Transaction Type	Transfer
Record Updated	Jul 11, 2023

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name
Address	21055 GRANITE WELLS DR, WALNUT, CA 91789-1361

Transferred To (Grantee/Buyer)

Name	Verified Name

April 2023: Affidavit of Death of Joint Tenant, Transfer

Document Type	Affidavit of Death of Joint Tenant
Jurisdiction	LOS ANGELES CA
Recording Date	Apr 21, 2023
Property Address	21055 GRANITE WELLS DR, WALNUT, CA 91789-1361
Document Number	0000258834
Map Reference	MB 1078 PG 16-35
Instrument Date	Mar 7, 2023
Instrument	23-0258834
Transaction Type	Transfer
Record Updated	May 2, 2023

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	21055 GRANITE WELLS DR, WALNUT, CA 91789-1361

Tax Assessment & Valuation

Source: Los Angeles County assessment roll, as of May 21, 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
2025	$8,533.00 (+7.64%)	$589,153 (+4.04%) Land $366,905 Building $222,248
2023	$7,927.00 (+1.89%)	$566,277 (+2%) Land $352,658 Building $213,619
2022	$7,780.00	$555,175 Land $345,744 Building $209,431

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 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

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

Wildfire Risk	Low lower than 94% of the US · lower than 96% 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 300 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Spectrum Cable	1,000 / 1,000
T-Mobile Fixed Wireless	100 / 20

May also be available: AT&T, Frontier, GeoLinks, Verizon.

Nearby Properties on Granite Wells Dr

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

By searching, you agree to: Terms • Privacy • Disclosures