Los Angeles County property record for 18319 Chatham Ln, Porter Ranch, CA 91326
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 3,259 sqft · built 1986 |
| Lot Size | 0.253 acres (11,006 sqft) |
| Owner | 2 Company Names on File |
| Tax Bill | $8,727 (2025) |
| Deeds & Mortgages | May 2023 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 2870-017-008 |
| Primary APN | 2870-017-008 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Building Area | 3,259 sqft Living Area |
| Year Built | Built 1986 |
|---|---|
| Effective Year Built | Effective 1989 |
| Construction Type | Wood |
| Lot Area | 11,006 sqft (0.253 acres) |
| Lot Dimensions | 130 ft deep x 85 ft wide |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 18319 CHATHAM LN |
|---|---|
| City | PORTER RANCH |
| State | CA |
| Zip | 91326-3604 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | LARE11 |
| Legal Description | *TR=28645 LOT 206 |
| Legal Subdivision | 28645 |
| Legal Tract | 28645 |
| Legal Block | 1 |
| Legal Lot Number | 206 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | SAN FERNANDO VALLEY |
| Census Block Group | 1 |
| Census Block | 1008 |
| Census Tract | 108103 |
18319 Chatham Ln is owned by a company that acquired it in April 2023 and is owner-occupied.
Source: Los Angeles County records, as of August 25, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | 2 Company Names on File |
|---|---|
| Mailing Address | 18319 CHATHAM LN, PORTER RANCH, CA 91326-3604 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Borrower in Default |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Apr 28, 2023 |
| Transfer Doc | 0000294889 |
| Record Updated | Oct 29, 2026 |
| Document Type | Affidavit of Death of Trustee |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Recording Date | May 5, 2023 |
| Property Address | 18319 CHATHAM LN, PORTER RANCH, CA 91326-3604 |
| Document Number | 0000294889 |
| Map Reference | MB 901 PG 74-96 |
| Instrument Date | Apr 27, 2023 |
| Instrument | 23-0294889 |
| Transaction Type | Transfer |
| Record Updated | Jun 7, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 18319 CHATHAM LN, NORTHRIDGE, CA 91326-3604 |
The 2025 property tax bill for 18319 Chatham Ln was $8,727 with a homeowner's exemption.
Source: Los Angeles County assessment roll, as of August 25, 2026
| Type | Name |
|---|---|
| State | California |
| County | Los Angeles County |
| Municipality | Los Angeles City |
| Unified School District | Los Angeles Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $701,774 (+2%) Land $280,299 Building $421,475 | |
| 2025 | $8,727.00 Homeowner's exemption | $688,014 Land $274,803 Building $413,211 |
| 2023 | $8,417.00 (+4.74%) Homeowner's exemption | $661,299 Land $264,133 Building $397,166 |
| 2022 | $8,036.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 18319 Chatham Ln 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 |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 5 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 18319 Chatham Ln is low, with a 0.01% 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 | 0.01% annual chance |
| Exposure | Indirect within 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 | LOS ANGELES-CITY, DEPT. OF WATER & POWER serves 3,875,566 people · EPA ID CA1910067 |
|---|---|
| Water Source | Surface water |
| Lead | 4 ppb (2021–2023) action level 15 ppb |
| Water Quality | Treatment failure resolved · Jan 2018 |
|---|---|
| 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 499 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable | 1,000 / 50 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: AT&T, T-Mobile.
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