512 Deep Hill Rd, Diamond Bar, CA 91765 Property Records

Los Angeles County property record for 512 Deep Hill Rd, Diamond Bar, CA 91765

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,260 sqft · built 1976
Lot Size	0.155 acres (6,729 sqft)
Owner	2 Individual Names on File
Last Sale	$345,000 (Mar 2011)
Tax Bill	$6,230 (2025)
Deeds & Mortgages	Feb 2026 Second Mortgage Jan 2021 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`8718-020-028`

Property Details

APN / Parcel Number

Primary APN	`8718-020-028`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	8 Rooms
Stories	1 Story
Building Area	1,260 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1976
Effective Year Built	Effective 1976
Architectural Style	Conventional
Exterior Material	Stucco
Construction Type	Wood
Roof Type	Gable
Roof Material	Wood Shingle
Lot Area	6,729 sqft (0.155 acres)
Lot Dimensions	107 ft deep x 62 ft wide
Garage Type	Attached

Utilities, Heating & Cooling

Heating System	Central
Water Source	Commercial

Location & Zoning

Street Address	512 DEEP HILL RD
City	DIAMOND BAR
State	CA
Zip	91765-1205
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	LCR18000*
Legal Description	TRACT NO 28065 LOT 34
Legal Subdivision	28065
Legal Tract	28065
Legal Block	1
Legal Lot Number	34
Jurisdiction	LOS ANGELES CA
Township / Civil Division	EAST SAN GABRIEL VALLEY
Census Block Group	1
Census Block	1024
Census Tract	403327

Owner

512 Deep Hill Rd is owned and occupied by two individuals who acquired it in July 2020.

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

Owner of Record	2 Individual Names on File
Mailing Address	512 DEEP HILL RD, DIAMOND BAR, CA 91765-1205
Occupancy	Owner Occupied
Owner Type	Individual

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

Date	Document
Feb 11, 2026	Deed of Trust, Mortgage · Stand-Alone Second Mortgage NEW WAVE LENDING GROUP INC
Jan 26, 2021	Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LOANS LLC
Jul 20, 2020	Affidavit of Death, Transfer EQUITY SMART HM LNS INC

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Mar 18, 2011 · Amount on File
Deed Sale	Mar 18, 2011 · Amount on File
Prior Sale	Jun 18, 2010 · Amount on File
Deed Document Number	2011413089
Last Transfer Date	Jul 13, 2020
Transfer Doc	0000799897
Record Updated	Oct 29, 2026

February 2026: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	512 DEEP HILL RD, DIAMOND BAR, CA 91765-1205
Transaction Type	Mortgage
Record Updated	Feb 20, 2026

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	3565 COTTER RIM LN, DIAMOND BAR, CA 91765-3763

Mortgage

Document Number	0000100522
Date	Feb 11, 2026
Instrument	26-0100522

Lender

Name	NEW WAVE LENDING GROUP INC
Type	Mortgage Company
Address	WALNUT, CA 91789

Agreement

Type	Stand-Alone Second Mortgage
Amount	Amount on Record
Term	361 Months
Due	Mar 1, 2056

January 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	512 DEEP HILL RD, DIAMOND BAR, CA 91765-1205
Transaction Type	Mortgage
Record Updated	Jun 21, 2021
Title Company	CLEARMARK TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	512 DEEP HILL RD, DIAMOND BAR, CA 91765-1205

Mortgage

Document Number	0000143309
Date	Jan 26, 2021
Instrument	21-0143309

Lender

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

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Feb 1, 2051

July 2020: Affidavit of Death, Transfer

Document Type	Affidavit of Death
Jurisdiction	LOS ANGELES CA
Recording Date	Jul 20, 2020
Property Address	512 DEEP HILL RD, DIAMOND BAR, CA 91765-1205
Document Number	0000799897
Instrument Date	Jul 13, 2020
Instrument	799897
Transaction Type	Transfer
Record Updated	Jul 28, 2020
Title Company	WFG NATIONAL TITLE COMPANY, WFG NAT'L TITLE CO

Transaction

Tax	$0.00
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	512 DEEP HILL RD DIAMOND BAR CA 917651205, DIAMOND BAR, CA 91765-1205

Mortgage

Document Number	799898
Date	Jul 20, 2020
Instrument	799898

Lender

Name	EQUITY SMART HM LNS INC
Address	SOUTH PASADENA, CA 91030

Agreement

Amount	Amount on Record
Term	360 Months
Due	Jul 19, 2050

Tax Assessment & Valuation

The 2025 property tax bill for 512 Deep Hill Rd was $6,230 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	Diamond Bar City
Unified School District	Pomona Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$450,828 (+2%) Land $357,138 Building $93,690
2025	$6,230.00 Homeowner's exemption	$441,989 Land $350,136 Building $91,853
2023	$5,609.00 (+1.61%) Homeowner's exemption	$424,828 Land $336,541 Building $88,287
2022	$5,520.00

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

Flood

FEMA maps place 512 Deep Hill Rd in Zone X, an area of minimal flood risk.

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

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

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

Wildfire

The area around 512 Deep Hill Rd has no burnable land within ember reach, so its wildfire risk is not rated.

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

Wildfire Risk	Not rated no burnable land within 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	WALNUT VALLEY WATER DISTRICT serves 100,941 people · EPA ID CA1910234
Water Source	Purchased surface water from several systems
Last State Inspection	Jun 2023
Lead	Under 1 ppb (2022–2024) 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 216 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 / 1,000
Verizon Fixed Wireless	300 / 20
T-Mobile Fixed Wireless	100 / 20
AT&T Fixed Wireless	100 / 20

May also be available: GeoLinks.

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