Los Angeles County property record for 503 Longden Dr, San Gabriel, CA 91775
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 4 ba · 3,005 sqft · built 1947 |
| Lot Size | 0.241 acres (10,476 sqft) |
| Owner | 2 Trust Names on File |
| Last Sale | $1,700,000 (Oct 2024) |
| Tax Bill | $23,597 (2025) |
| Deeds & Mortgages | Oct 2022 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 5333-029-010 |
| Primary APN | 5333-029-010 |
|---|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 4 Baths |
| Total Rooms | 13 Rooms |
| Stories | 1 Story |
| Building Area | 3,005 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1947 |
|---|---|
| Effective Year Built | Effective 1949 |
| Exterior Material | Stucco |
| Construction Type | Wood |
| Roof Type | Gable |
| Roof Material | Wood Shingle |
| Lot Area | 10,476 sqft (0.241 acres) |
| Lot Dimensions | 150 ft deep x 70 ft wide |
| Heating System | Floor/Wall Furnace |
|---|
| Street Address | 503 LONGDEN DR |
|---|---|
| City | SAN GABRIEL |
| State | CA |
| Zip | 91775-1612 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | SLR165 |
| Legal Description | TRACT # 9431 LOT COM AT SE COR OF LOT 17 TR # 14861 TH S 0 25 E 87.8 FT TH N 89 42 W 2.10 FT TH S 0 25 E 62.2 FT TH N 89 42 W 67.9 FT TH N 0 25 W 150 FT T H S 89 42 E 70 FT TO BEG PART OF LOT 1 |
| Legal Subdivision | 9431 |
| Legal Tract | 9431 |
| Legal Block | 2 |
| Legal Lot Number | 17 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | SOUTHWEST SAN GABRIEL VALLEY |
| Census Block Group | 2 |
| Census Block | 2009 |
| Census Tract | 480202 |
503 Longden Dr is held in a trust since October 2024.
Source: Los Angeles County records, as of September 1, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 1821 S EUCLID AVE, SAN MARINO, CA 91108-1610 |
| Owner Type | Company |
| Vesting | Trust, Family Trust |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Oct 23, 2024 · Amount on File |
| Deed Sale | Oct 23, 2024 · Amount on File |
| Deed Document Number | 2024724043 |
| Prior Transfer Date | Sep 27, 2022 |
| Prior Transfer Doc | 0000961992 |
| Record Updated | Oct 29, 2026 |
| Document Type | Affidavit of Death of Trustee |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Recording Date | Oct 4, 2022 |
| Property Address | 503 LONGDEN DR, SAN GABRIEL, CA 91775-1612 |
| Document Number | 0000961992 |
| Map Reference | MB 136 PG 26 |
| Instrument Date | Sep 12, 2022 |
| Instrument | 22-0961992 |
| Transaction Type | Transfer |
| Record Updated | Jun 7, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 533 CATALPA RD, ARCADIA, CA 91007-6018 |
The 2025 property tax bill for 503 Longden Dr was $23,597.
Source: Los Angeles County assessment roll, as of August 25, 2026
| Type | Name |
|---|---|
| State | California |
| County | Los Angeles County |
| Municipality | San Gabriel City |
| Unified School District | San Gabriel Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $1,734,000 (+2%) Land $1,465,536 Building $268,464 | |
| 2025 | $23,597.00 | $1,700,000 Land $1,436,800 Building $263,200 |
| 2023 | $27,851.00 (+704.48%) Homeowner's exemption | $224,085 Land $70,667 Building $153,418 |
| 2022 | $3,462.00 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
FEMA maps place 503 Longden Dr in Zone X, an area of minimal flood risk.
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 Policies | 1 in force |
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 risk around 503 Longden Dr is low, with a 0.03% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 0.03% annual chance |
| Exposure | Direct burnable vegetation |
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 | SAN GABRIEL COUNTY WD serves 40,154 people · EPA ID CA1910144 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Aug 2023 |
| Lead | Under 1 ppb (2023–2025) 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 479 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable | 1,000 / 1,000 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
May also be available: Verizon.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures