627 Rainbow Pl, Diamond Bar, CA 91765 Property Records

Los Angeles County property record for 627 Rainbow Pl, Diamond Bar, CA 91765

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 2,405 sqft · built 1988
Lot Size	0.16 acres (6,969 sqft)
Owner	2 Individual Names on Record
Last Sale	$245,000 (Feb 1998)
Tax Bill	$5,722 (2025)
Deeds & Mortgages	Oct 2019 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`8281-037-107`

Property Details

APN / Parcel Number

Primary APN	`8281-037-107`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Building Area	2,405 sqft Living Area

Exterior

Year Built	Built 1988
Effective Year Built	Effective 1988
Construction Type	Wood
Lot Area	6,969 sqft (0.16 acres)
Lot Dimensions	98 ft deep x 71 ft wide
Garage Type	Attached

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	627 RAINBOW PL
City	DIAMOND BAR
State	CA
Zip	91765-1876
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	LCR115000-
Legal Description	TR=42589 LOT 57
Legal Subdivision	42589
Legal Tract	42589
Legal Block	3
Legal Lot Number	57
Jurisdiction	LOS ANGELES CA
Township / Civil Division	EAST SAN GABRIEL VALLEY
Census Block Group	3
Census Block	3000
Census Tract	403321

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 Record	2 Individual Names on Record
Mailing Address	627 RAINBOW PL, DIAMOND BAR, CA 91765-1876
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Feb 25, 1998 · Amount on Record
Deed Sale	Feb 25, 1998 · Amount on Record
Prior Sale	Aug 22, 1997 · Amount on Record
Deed Document Number	1998300585
Prior Transfer Date	Aug 19, 1997
Prior Transfer Doc	0001304437
Record Updated	Oct 29, 2026

October 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	627 RAINBOW PL, DIAMOND BAR, CA 91765-1876
Document Number	0001182751
Instrument Date	Oct 25, 2019
Transaction Type	Mortgage
Record Updated	Nov 8, 2019
Title Company	LAWYERS TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	627 RAINBOW PL DIAMOND BAR CA 917651876, DIAMOND BAR, CA 91765-1876

Mortgage

Document Number	0001182751
Date	Nov 1, 2019
Instrument	1182751

Lender

Name	WESCOM CTRL CU
Type	Credit Union
Address	ANAHEIM, CA 92807

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	180 Months
Due	Oct 31, 2034

Tax Assessment & Valuation

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		$399,002 (+2%) Land $129,141 Building $269,861
2025	$5,722.00 (+12.68%) Homeowner's exemption	$391,179 (+4.04%) Land $126,609 Building $264,570
2023	$5,078.00 (+1.64%) Homeowner's exemption	$375,992 Land $121,694 Building $254,298
2022	$4,996.00

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 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

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

Wildfire Risk	Moderate above 63% of the US · lower than 61% of California
Wildfire Likelihood	0.2% annual chance
Exposure	Indirect 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 160 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
Verizon Fixed Wireless	300 / 20
T-Mobile Fixed Wireless	100 / 20