Los Angeles County property record for 4100 Loma Ave, Rosemead, CA 91770
| Property Type | Quadplex |
|---|---|
| Details | 8 bd · 4 ba · 3,533 sqft · built 1958 |
| Lot Size | 0.319 acres (13,908 sqft) |
| Owner | 2 Company Names on Record |
| Tax Bill | $5,557 (2025) |
| Deeds & Mortgages | Jun 2022 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 5391-014-007 |
| Primary APN | 5391-014-007 |
|---|
| Bedrooms | 8 Beds |
|---|---|
| Full Baths | 4 Baths |
| Units | 4 Units |
| Building Area | 3,533 sqft Living Area |
| Year Built | Built 1958 |
|---|---|
| Effective Year Built | Effective 1958 |
| Architectural Style | Quadruplex |
| Construction Type | Wood |
| Lot Area | 13,908 sqft (0.319 acres) |
| Total Buildings | 4 Buildings |
| Heating System | Floor/Wall Furnace |
|---|
| Street Address | 4100 LOMA AVE |
|---|---|
| City | ROSEMEAD |
| State | CA |
| Zip | 91770-4420 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Quadplex |
| Local Zoning Code | RMR2YY |
| Legal Description | TRACT # 5165 N 25 FT MEASURED ON W LINE OF LOT 30 AND S 41.2 FT MEASURED ON W LINE OF LOT 79 |
| Legal Subdivision | 5165 |
| Legal Tract | 5165 |
| Legal Block | 2 |
| Legal Lot Number | 30 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | SOUTHWEST SAN GABRIEL VALLEY |
| Census Block Group | 2 |
| Census Block | 2007 |
| Census Tract | 432202 |
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 Company Names on Record |
|---|---|
| Mailing Address | 4104 1/2 LOMA AVE, ROSEMEAD, CA 91770-4420 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Jul 10, 2015 |
| Transfer Doc | 0000918180 |
| Record Updated | Oct 29, 2026 |
| Document Type | Affidavit of Death of Trustee |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Recording Date | Jun 28, 2022 |
| Property Address | 4100 LOMA AVE, ROSEMEAD, CA 91770-4420 |
| Document Number | 0000674626 |
| Map Reference | MB 58 PG 11 |
| Instrument Date | Jun 15, 2022 |
| Instrument | 22-0674626 |
| Transaction Type | Transfer |
| Record Updated | Jun 7, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Family Trust |
Source: Los Angeles County assessment roll, as of August 25, 2026
| 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) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $1,693,200 (+416.98%) Land $1,015,920 Building $677,280 | |
| 2025 | $5,557.00 (+7.55%) | $327,517 (+4.04%) Land $145,798 Building $181,719 |
| 2023 | $5,167.00 (+3.07%) | $314,801 Land $140,138 Building $174,663 |
| 2022 | $5,013.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 99.1% of the US · lower than 99.2% 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.
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 |
| 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.
Source: FCC Broadband Data Collection, based on 704 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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