1521 Sunbluff Dr, Diamond Bar, CA 91765 Property Records

Los Angeles County property record for 1521 Sunbluff Dr, Diamond Bar, CA 91765

Property Summary

Property Type	Single Family Home
Details	4 bd · 2 ba · 2,026 sqft · built 1981
Lot Size	0.186 acres (8,098 sqft)
Owner	Company Name on File
Last Sale	$1,345,000 (Oct 2025)
Tax Bill	$11,703 (2025)
Deeds & Mortgages	Oct 2025 Sale Aug 2017 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`8293-041-002`

Property Details

APN / Parcel Number

Primary APN	`8293-041-002`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Total Rooms	12 Rooms
Stories	1 Story
Building Area	2,026 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1981
Effective Year Built	Effective 1981
Architectural Style	Conventional
Exterior Material	Stucco
Construction Type	Wood
Roof Type	Gable
Roof Material	Wood Shingle
Lot Area	8,098 sqft (0.186 acres)
Lot Dimensions	111 ft deep x 73 ft wide

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	1521 SUNBLUFF DR
City	DIAMOND BAR
State	CA
Zip	91765-3907
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	LCR18000*
Legal Description	*TR=31153 LOT 34
Legal Subdivision	31153
Legal Tract	31153
Legal Block	2
Legal Lot Number	34
Jurisdiction	LOS ANGELES CA
Township / Civil Division	EAST SAN GABRIEL VALLEY
Census Block Group	2
Census Block	2001
Census Tract	403323

Owner

1521 Sunbluff Dr is owned by a company that bought it in October 2025.

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

Owner of Record	Company Name on File
Mailing Address	1521 SUNBLUFF DR, DIAMOND BAR, CA 91765-3907
Owner Type	Company
Vesting	Limited Liability Partnership

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
Oct 23, 2025	Grant Deed, Transfer CALIFORNIA BEST TITLE CO, CALIFORNIA BEST TITLE
Aug 29, 2017	Grant Deed, Transfer · Conventional Mortgage WELLS FARGO BANK NA

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Oct 23, 2025 · Amount on File
Deed Sale	Oct 23, 2025 · Amount on File
Prior Sale	Aug 29, 2017 · Amount on File
Deed Document Number	2025734100
Prior Transfer Date	Aug 14, 2003
Prior Transfer Doc	0002591181
Record Updated	Oct 29, 2026

October 2025: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	LOS ANGELES CA
Recording Date	Oct 23, 2025
Property Address	1521 SUNBLUFF DR, DIAMOND BAR, CA 91765-3907
Document Number	0000734100
Map Reference	MB 1022 PG 66
Instrument Date	Oct 2, 2025
Instrument	25-0734100
Transaction Type	Transfer
Record Updated	Nov 5, 2025
Title Company	CALIFORNIA BEST TITLE CO, CALIFORNIA BEST TITLE

Transaction

Amount	Amount 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
Address	1521 SUNBLUFF DR, DIAMOND BAR, CA 91765-3907

August 2017: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	LOS ANGELES CA
Recording Date	Aug 29, 2017
Property Address	1521 SUNBLUFF DR, DIAMOND BAR, CA 91765-3907
Document Number	0000977230
Map Reference	MB1022 PG66-72
Instrument Date	Jul 20, 2017
Instrument	17-0977230
Transaction Type	Transfer
Record Updated	Sep 22, 2021
Title Company	CORINTHIAN TITLE COMPANY

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	1521 SUNBLUFF DR, DIAMOND BAR, CA 91765-3907

Mortgage

Document Number	0000977231
Date	Aug 29, 2017
Instrument	17-0977231

Lender

Name	WELLS FARGO BANK NA
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Sep 1, 2047

Tax Assessment & Valuation

The 2025 property tax bill for 1521 Sunbluff Dr was $11,703.

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		$1,345,000 (+45.94%) Land $900,000 Building $445,000
2025	$11,703.00	$921,637 Land $560,379 Building $361,258
2023	$10,889.00 (+2.11%)	$885,851 Land $538,620 Building $347,231
2022	$10,664.00

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

Flood

FEMA maps place 1521 Sunbluff Dr in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1997.

Source: FEMA National Flood Hazard Layer, effective September 30, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Claims	1 (1997)
Claims Outside the SFHA	1 of 1
Most Recent Claim	Jan 1997 · rainfall accumulation

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

Wildfire risk around 1521 Sunbluff Dr 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 96% of the US · lower than 97.4% 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 589 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Spectrum Cable	1,000 / 1,000

May also be available: GeoLinks, T-Mobile, Verizon.

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