9503 Guess St, Rosemead, CA 91770 Property Records

Los Angeles County property record for 9503 Guess St, Rosemead, CA 91770

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 2,455 sqft · built 1946
Lot Size	0.218 acres (9,485 sqft)
Owner	2 Company Names on File
Tax Bill	$6,448 (2025)
Deeds & Mortgages	Apr 2018 Transfer Apr 2018 Transfer
Flood Zone	Zone X (minimal risk)
APN	`8593-003-023`

Property Details

APN / Parcel Number

Primary APN	`8593-003-023`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Total Rooms	9 Rooms
Stories	1 Story
Building Area	2,455 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1946
Effective Year Built	Effective 1953
Architectural Style	Conventional
Exterior Material	Stucco
Construction Type	Wood
Roof Type	Hip
Roof Material	Composition Shingle
Lot Area	9,485 sqft (0.218 acres)
Lot Dimensions	170 ft deep x 55 ft wide

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	9503 GUESS ST
City	ROSEMEAD
State	CA
Zip	91770-2104
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	RMR1*
Legal Description	TRACT # 12976 LOTS 9 AND LOT 12
Legal Subdivision	12976
Legal Tract	12976
Legal Block	1
Legal Lot Number	9,12
Jurisdiction	LOS ANGELES CA
Township / Civil Division	SOUTHWEST SAN GABRIEL VALLEY
Census Block Group	1
Census Block	1001
Census Tract	432902

Owner

9503 Guess St is owned by a company that acquired it in June 1994 and is owner-occupied.

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

Owner of Record	2 Company Names on File
Mailing Address	9503 GUESS ST, ROSEMEAD, CA 91770-2104
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Borrower in Default

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
Apr 20, 2018	Quit Claim Deed, Transfer Quitclaim
Apr 24, 2018	Quit Claim Deed, Transfer Quitclaim

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Transfer Date	Jun 16, 1994
Transfer Doc	0001483570
Record Updated	Oct 29, 2026

April 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	LOS ANGELES CA
Recording Date	Apr 20, 2018
Property Address	9503 GUESS ST, ROSEMEAD, CA 91770-2104
Document Number	0000381976
Instrument Date	Mar 27, 2018
Instrument	381976
Transaction Type	Transfer
Record Updated	Nov 20, 2018

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer Partial Interest

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	9503 GUESS ST ROSEMEAD CA 917702104, ROSEMEAD, CA 91770-2104

April 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	LOS ANGELES CA
Recording Date	Apr 24, 2018
Property Address	9503 GUESS ST, ROSEMEAD, CA 91770-2104
Document Number	0000393214
Instrument Date	Mar 27, 2018
Instrument	393214
Transaction Type	Transfer
Record Updated	Nov 20, 2018

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer Partial Interest

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	9503 GUESS ST ROSEMEAD CA 917702104, ROSEMEAD, CA 91770-2104

Tax Assessment & Valuation

The 2025 property tax bill for 9503 Guess St was $6,448 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	Rosemead City
Secondary School District	El Monte Union High School District (09 - 12)
Elementary School District	Rosemead Elementary School District (KG - 08)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$496,038 (+2%) Land $340,207 Building $155,831
2025	$6,448.00 Homeowner's exemption	$486,313 Land $333,537 Building $152,776
2023	$6,151.00 (+3.53%) Homeowner's exemption	$467,432 Land $320,587 Building $146,845
2022	$5,941.00

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

Flood

FEMA maps place 9503 Guess St 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 9503 Guess St 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	CAL/AM WATER COMPANY - SAN MARINO private · serves 48,065 people · EPA ID CA1910139
Water Source	Purchased surface water from several systems
Last State Inspection	Nov 2025
Lead	Under 1 ppb (2024–2026) 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 626 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Spectrum Cable · Fiber in parts of the area	1,000 / 1,000
Verizon Fixed Wireless	300 / 20
Starlink Satellite	280 / 30
T-Mobile Fixed Wireless	100 / 20

May also be available: AT&T, GeoLinks.

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