512 Rockbridge Rd, Diamond Bar, CA 91765 Property Records

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

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,260 sqft · built 1975
Lot Size	0.174 acres (7,599 sqft)
Owner	2 Trust Names on File
Last Sale	$545,000 (Feb 2017)
Tax Bill	$8,567 (2025)
Deeds & Mortgages	Aug 2020 Mortgage Jul 2019 Transfer + 1 more
Flood Zone	Zone X (minimal risk)
APN	`8718-019-023`

Property Details

APN / Parcel Number

Primary APN	`8718-019-023`

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 1975
Effective Year Built	Effective 1975
Architectural Style	Conventional
Exterior Material	Stucco
Construction Type	Wood
Roof Type	Gable
Roof Material	Wood Shingle
Lot Area	7,599 sqft (0.174 acres)
Lot Dimensions	106 ft deep x 71 ft wide

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	512 ROCKBRIDGE RD
City	DIAMOND BAR
State	CA
Zip	91765-1248
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	LCR18000*
Legal Description	TRACT NO 28065 LOT 55
Legal Subdivision	28065
Legal Tract	28065
Legal Block	1
Legal Lot Number	55
Jurisdiction	LOS ANGELES CA
Township / Civil Division	EAST SAN GABRIEL VALLEY
Census Block Group	1
Census Block	1021
Census Tract	403327

Owner

512 Rockbridge Rd is owner-occupied and held in a trust since May 2019.

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

Owner of Record	2 Trust Names on File
Mailing Address	512 ROCKBRIDGE RD, DIAMOND BAR, CA 91765-1248
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust, Family Trust

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
Aug 18, 2020	Deed of Trust, Mortgage · Conventional Mortgage NEW WAVE LENDING GROUP INC
Jul 8, 2019	Quit Claim Deed, Transfer NOT AVAILABLE
Feb 22, 2017	Grant Deed, Transfer · Conventional Mortgage BANK OF AMERICA

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Feb 22, 2017 · Amount on File
Deed Sale	Feb 22, 2017 · Amount on File
Deed Document Number	2017211039
Last Transfer Date	May 29, 2019
Transfer Doc	0000653525
Record Updated	Oct 29, 2026

August 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	512 ROCKBRIDGE RD, DIAMOND BAR, CA 91765-1248
Transaction Type	Mortgage
Record Updated	Feb 5, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000959334
Date	Aug 18, 2020
Instrument	20-0959334

Lender

Name	NEW WAVE LENDING GROUP INC
Type	Non-Lending Institution
Address	ROWLAND HEIGHTS, CA 91748

Agreement

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

July 2019: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	LOS ANGELES CA
Recording Date	Jul 8, 2019
Property Address	512 ROCKBRIDGE RD, DIAMOND BAR, CA 91765-1248
Document Number	0000653525
Instrument Date	May 29, 2019
Instrument	653525
Transaction Type	Transfer
Record Updated	Jul 15, 2019
Title Company	NOT AVAILABLE

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	512 ROCKBRIDGE RD DIAMOND BAR CA 917651248, DIAMOND BAR, CA 91765-1248

February 2017: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	LOS ANGELES CA
Recording Date	Feb 22, 2017
Property Address	512 ROCKBRIDGE RD, DIAMOND BAR, CA 91765-1248
Document Number	0000211039
Instrument Date	Feb 14, 2017
Instrument	211039
Transaction Type	Transfer
Record Updated	Feb 28, 2017
Title Company	WFG NATIONAL TITLE COMPANY, WFG NAT'L TITLE CO

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$599.50
Amount Accuracy	Full Value
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	512 ROCKBRIDGE RD DIAMOND BAR CA 917651248, DIAMOND BAR, CA 91765-1248

Mortgage

Document Number	211040
Date	Feb 22, 2017
Instrument	211040

Lender

Name	BANK OF AMERICA
Type	Bank
Address	CHARLOTTE, NC 28255

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Feb 21, 2047

Tax Assessment & Valuation

The 2025 property tax bill for 512 Rockbridge Rd was $8,567 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		$645,163 (+2%) Land $516,132 Building $129,031
2025	$8,567.00 Homeowner's exemption	$632,513 Land $506,012 Building $126,501
2023	$7,761.00 (+1.58%) Homeowner's exemption	$607,954 Land $486,364 Building $121,590
2022	$7,640.00

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

Flood

FEMA maps place 512 Rockbridge 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 Rockbridge 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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