21306 Tambo Pl, Diamond Bar, CA 91765 Property Records

Los Angeles County property record for 21306 Tambo Pl, Diamond Bar, CA 91765

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 1,929 sqft · built 1962
Lot Size	0.233 acres (10,156 sqft)
Owner	2 Individual Names on File
Last Sale	$699,000 (Jul 2018)
Tax Bill	$10,070 (2025)
Deeds & Mortgages	Jul 2018 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`8292-002-004`

Property Details

APN / Parcel Number

Primary APN	`8292-002-004`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Total Rooms	8 Rooms
Stories	1 Story
Building Area	1,929 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1962
Effective Year Built	Effective 1962
Architectural Style	Conventional
Exterior Material	Stucco
Construction Type	Wood
Roof Type	Gable
Roof Material	Wood Shingle
Lot Area	10,156 sqft (0.233 acres)
Lot Dimensions	137 ft deep x 74 ft wide

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	21306 TAMBO PL
City	DIAMOND BAR
State	CA
Zip	91765-2755
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	LCR108
Legal Description	TRACT NO 27036 LOT 4
Legal Subdivision	27036
Legal Tract	27036
Legal Block	2
Legal Lot Number	4
Jurisdiction	LOS ANGELES CA
Township / Civil Division	EAST SAN GABRIEL VALLEY
Census Block Group	2
Census Block	2005
Census Tract	403328

Owner

21306 Tambo Pl is owned and occupied by two individuals who bought it in July 2018.

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

Owner of Record	2 Individual Names on File
Mailing Address	21306 TAMBO PL, DIAMOND BAR, CA 91765-2755
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

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jul 6, 2018 · Amount on File
Deed Sale	Jul 6, 2018 · Amount on File
Prior Sale	Jun 6, 2014 · Amount on File
Deed Document Number	2018674764
Prior Transfer Date	Apr 17, 2007
Prior Transfer Doc	0001114900
Record Updated	Oct 29, 2026

July 2018: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	LOS ANGELES CA
Recording Date	Jul 6, 2018
Property Address	21306 TAMBO PL, DIAMOND BAR, CA 91765-2755
Document Number	0000674764
Map Reference	MB 683 PG 9&10
Instrument Date	May 11, 2018
Instrument	18-0674764
Transaction Type	Transfer
Record Updated	Sep 22, 2021
Title Company	FIDELITY NATIONAL TITLE

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	21306 TAMBO PL, DIAMOND BAR, CA 91765-2755

Mortgage

Document Number	0000674765
Date	Jul 6, 2018
Instrument	18-0674765

Lender

Name	EAST WEST BANK
Type	Bank

Agreement

Type	ARM
Amount	Amount on Record
Term	360 Months
Due	Jul 1, 2048

Interest

Rate Type	Adjustable Rate
Rate	4.25%
Type Change Date	Jul 1, 2021
Change Frequency	Annually
Min Rate At Change	3.25%
Max Rate At Change	6.25%
Index	1-Year CMT
Max Rate	10.2%

Tax Assessment & Valuation

The 2025 property tax bill for 21306 Tambo Pl was $10,070.

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	Walnut Valley Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$795,335 (+2%) Land $590,871 Building $204,464
2025	$10,070.00	$779,741 Land $579,286 Building $200,455
2023	$9,304.00 (+2.11%)	$749,465 Land $556,793 Building $192,672
2022	$9,112.00

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

Flood

FEMA maps place 21306 Tambo Pl 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

Wildfire risk around 21306 Tambo Pl is low, with less than a 0.01% annual chance of 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	Under 0.01% 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	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 437 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
AT&T Fixed Wireless	100 / 20
T-Mobile Fixed Wireless	100 / 20

May also be available: GeoLinks, Verizon.

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