3123 Mayfair Ave, El Monte (South El Monte), CA 91733 Property Records

Los Angeles County property record for 3123 Mayfair Ave, El Monte, CA 91733

Property Summary

Property Type	Single Family Home
Details	3 bd · 1 ba · 1,122 sqft · built 1936
Lot Size	0.147 acres (6,398 sqft)
Owner	2 Individual Names on Record
Last Sale	$165,000 (Feb 2002)
Tax Bill	$4,169 (2025)
Deeds & Mortgages	Jun 2020 Mortgage May 2019 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`8580-011-005`

Property Details

APN / Parcel Number

Primary APN	`8580-011-005`

Interior

Bedrooms	3 Beds
Full Baths	1 Bath
Total Rooms	6 Rooms
Stories	1 Story
Building Area	1,122 sqft Living Area

Exterior

Year Built	Built 1936
Effective Year Built	Effective 1947
Architectural Style	Spanish
Exterior Material	Stucco
Construction Type	Wood
Roof Type	Flat
Roof Material	Gravel
Lot Area	6,398 sqft (0.147 acres)
Lot Dimensions	86 ft deep x 76 ft wide

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	3123 MAYFAIR AVE
City	EL MONTE
State	CA
Zip	91733-1323
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	EMR3YY
Legal Description	0.15 AC COM S 89 5935 E 103.55 FT AND S 0 2215 W 170 FT FROM NW COR OF PAR 1 OF L S 29-38 TH S 0 2215 W 77.13 FT T H N 85 5950 E 85.61 FT TH N 0 2215 E 71.14 FT TH N 89 5935 W 85.36 FT TO BEG PART OF SEC 21 T 1S R 11W
Legal Range	11W
Legal Township	01S
Legal Section	21
Legal Block	4
Legal Lot Number	21
Jurisdiction	LOS ANGELES CA
Township / Civil Division	UPPER SAN GABRIEL VALLEY
Census Block Group	4
Census Block	4020
Census Tract	433200

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	3123 MAYFAIR AVE, EL MONTE, CA 91733-1323
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Date	Document
Jun 24, 2020	Deed of Trust, Mortgage · Conventional Mortgage BANK OF AMERICA
May 23, 2019	Deed of Trust, Mortgage · Conventional Mortgage BANK OF AMERICA

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Feb 6, 2002 · Amount on Record
Deed Sale	Feb 6, 2002 · Amount on Record
Deed Document Number	2002286885
Last Transfer Date	Aug 3, 2004
Transfer Doc	0002175261
Record Updated	Oct 29, 2026

June 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	3123 MAYFAIR AVE, EL MONTE, CA 91733-1323
Document Number	0000745378
Instrument Date	Jun 24, 2020
Transaction Type	Mortgage
Record Updated	Jul 20, 2020
Title Company	OTHER

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	3123 MAYFAIR AVE EL MONTE CA 917331323, EL MONTE, CA 91733-1323

Mortgage

Document Number	0000745378
Date	Jul 8, 2020
Instrument	745378

Lender

Name	BANK OF AMERICA
Type	Bank
Address	CHARLOTTE, NC 28255

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Jul 7, 2050

May 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	3123 MAYFAIR AVE, EL MONTE, CA 91733-1323
Document Number	0000554796
Instrument Date	May 23, 2019
Transaction Type	Mortgage
Record Updated	Jun 18, 2019
Title Company	NOT AVAILABLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	3123 MAYFAIR AVE EL MONTE CA 917331323, EL MONTE, CA 91733-1323

Mortgage

Document Number	0000554796
Date	Jun 12, 2019
Instrument	554796

Lender

Name	BANK OF AMERICA
Type	Bank
Address	CHARLOTTE, NC 28255

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Jun 11, 2049

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	El Monte City
Elementary School District	El Monte City School District (KG - 08)
Secondary School District	El Monte Union High School District (09 - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$269,950 (+1.99%) Land $172,825 Building $97,125
2025	$4,169.00 (+11.05%) Homeowner's exemption	$264,680 (+4.04%) Land $169,437 Building $95,243
2023	$3,754.00 (+3.76%) Homeowner's exemption	$254,404 Land $162,858 Building $91,546
2022	$3,618.00

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	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	EL MONTE-CITY, WATER DEPT. serves 23,000 people · EPA ID CA1910038
Water Source	Groundwater
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 617 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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