1237 W 4th St, Pomona, CA 91766 Property Records

Los Angeles County property record for 1237 W 4th St, Pomona, CA 91766

Property Summary

Property Type	Duplex
Details	4 bd · 2 ba · 1,664 sqft · built 1959
Lot Size	0.139 acres (6,040 sqft)
Owner	2 Individual Names on File
Tax Bill	$4,254 (2025)
Flood Zone	Zone X (minimal risk)
APN	`8348-016-021`

Property Details

APN / Parcel Number

Primary APN	`8348-016-021`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Units	2 Units
Building Area	1,664 sqft Living Area

Exterior

Year Built	Built 1959
Effective Year Built	Effective 1959
Architectural Style	Duplex Single
Construction Type	Wood
Lot Area	6,040 sqft (0.139 acres)
Total Buildings	2 Buildings

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Floor/Wall Furnace

Location & Zoning

Street Address	1237 W 4TH ST
City	POMONA
State	CA
Zip	91766-1327
Property Category	Residential
Property Type	Residential > Multi-Unit > Duplex
Local Zoning Code	POR3*
Legal Description	TRACT NO 538 LOT 20
Legal Subdivision	538
Legal Tract	538
Legal Block	1
Legal Lot Number	20
Jurisdiction	LOS ANGELES CA
Township / Civil Division	EAST SAN GABRIEL VALLEY
Census Block Group	1
Census Block	1013
Census Tract	402501

Owner

Source: Los Angeles County records · APN 8348-016-021

Assessment roll updated May 21, 2026 · Last verified June 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 File
Mailing Address	1237 W 4TH ST, POMONA, CA 91766-1327
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Record Updated	Sep 20, 2026

Tax Assessment & Valuation

Source: Los Angeles County records · Assessment roll updated May 21, 2026 · Last verified June 2026

Property Jurisdictions

Type	Name
State	California
County	Los Angeles County
Municipality	Pomona City
Unified School District	Pomona Unified School District (KG - 12)

Tax Bill & Assessment History

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

Year	Tax Bill	Assessed Value
2025	$4,254.00 (+10.06%) Homeowner's exemption	$298,006 (+4.04%) Land $91,969 Building $206,037
2024	$3,865.00 (+2.09%)
2023	$3,786.00 (+1.72%) Homeowner's exemption	$286,437 Land $88,399 Building $198,038
2022	$3,722.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Los Angeles County (06037C), as of September 30, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition, as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

Wildfire

Wildfire Risk	Not rated no burnable land within ember reach

Values are read at the parcel center point; lenders make the official flood determination.

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

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

May also be available: California Internet, Frontier, T-Mobile USA.

Based on FCC filings for 568 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System, water system CA1910126, as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	POMONA - CITY, WATER DEPT. serves 151,713 people
Water Source	Surface water
Lead	2 ppb (2023–2025) 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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.