21201 Tree Top Cir, Diamond Bar, CA 91765 Property Records

Los Angeles County property record for 21201 Tree Top Cir, Diamond Bar, CA 91765

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,260 sqft · built 1977
Lot Size	0.449 acres (19,545 sqft)
Owner	Individual Name on File
Last Sale	$550,000 (Jun 2017)
Tax Bill	$8,395 (2025)
Deeds & Mortgages	Jun 2017 Transfer Jun 2017 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`8292-023-013`

Property Details

APN / Parcel Number

Primary APN	`8292-023-013`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	9 Rooms
Stories	1 Story
Building Area	1,260 sqft Living Area

Exterior

Year Built	Built 1977
Effective Year Built	Effective 1977
Architectural Style	Conventional
Exterior Material	Stucco
Construction Type	Wood
Roof Type	Gable
Roof Material	Wood Shingle
Lot Area	19,545 sqft (0.449 acres)
Lot Dimensions	173 ft deep x 115 ft wide

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central
Water Source	Commercial

Location & Zoning

Street Address	21201 TREE TOP CIR
City	DIAMOND BAR
State	CA
Zip	91765-2758
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	LCR1*
Legal Description	*TR=28579 LOT 216
Legal Subdivision	28579
Legal Tract	28579
Legal Block	2
Legal Lot Number	216
Jurisdiction	LOS ANGELES CA
Township / Civil Division	EAST SAN GABRIEL VALLEY
Census Block Group	2
Census Block	2005
Census Tract	403328

Owner

21201 Tree Top Cir is owned and occupied by an individual who bought it in June 2017.

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

Owner of Record	Individual Name on File
Mailing Address	21201 TREE TOP CIR, DIAMOND BAR, CA 91765-2758
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Sole Owner

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
Jun 7, 2017	Quit Claim Deed, Transfer NORTHWESTERN TITLE COMPANY, FIRST AMTITLE
Jun 7, 2017	Grant Deed, Transfer · Conventional Mortgage INDUSTRIAL & COM'L BK/CHINA

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jun 7, 2017 · Amount on File
Deed Sale	Jun 7, 2017 · Amount on File
Prior Sale	Sep 13, 2005 · Amount on File
Deed Document Number	2017627430
Prior Transfer Date	Apr 28, 2017
Prior Transfer Doc	0000627429
Record Updated	Oct 29, 2026

June 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	LOS ANGELES CA
Recording Date	Jun 7, 2017
Property Address	21201 TREE TOP CIR, DIAMOND BAR, CA 91765-2758
Document Number	0000627429
Instrument Date	Apr 28, 2017
Instrument	627429
Transaction Type	Transfer
Record Updated	Jan 13, 2020
Title Company	NORTHWESTERN TITLE COMPANY, FIRST AMTITLE

Transaction

Tax	$0.00
Amount Accuracy	Full Value
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Separate Estate/Property
Address	21201 TREE TOP CIR DIAMOND BAR CA 917652758, DIAMOND BAR, CA 91765-2758

June 2017: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	LOS ANGELES CA
Recording Date	Jun 7, 2017
Property Address	21201 TREE TOP CIR, DIAMOND BAR, CA 91765-2758
Document Number	0000627430
Instrument Date	Apr 26, 2017
Instrument	627430
Transaction Type	Transfer
Record Updated	Jan 13, 2020
Title Company	NORTHWESTERN TITLE COMPANY, FIRST AMTITLE

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$605.00
Amount Accuracy	Full Value
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Separate Estate/Property
Address	21201 TREE TOP CIR DIAMOND BAR CA 917652758, DIAMOND BAR, CA 91765-2758

Mortgage

Document Number	627431
Date	Jun 7, 2017
Instrument	627431

Lender

Name	INDUSTRIAL & COM'L BK/CHINA
Type	Bank
Address	NEW YORK, NY 10019

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Jun 6, 2047

Interest

Rate Type	Adjustable Rate
Rate	4.12%

Tax Assessment & Valuation

The 2025 property tax bill for 21201 Tree Top Cir was $8,395.

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		$651,080 (+2%) Land $494,941 Building $156,139
2025	$8,395.00	$638,315 Land $485,237 Building $153,078
2023	$7,748.00 (+2.77%)	$613,531 Land $466,396 Building $147,135
2022	$7,539.00

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

Flood

FEMA maps place 21201 Tree Top Cir 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 21201 Tree Top Cir is low, with a 0.02% annual chance of wildfire.

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

Wildfire Risk	Low lower than 80% of the US · lower than 88% 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	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 254 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 Tree Top Cir

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