Los Angeles County property record for 659 William St, Pomona, CA 91768
| Property Type | Triplex |
|---|---|
| Details | 5 bd · 4 ba · 3,044 sqft · built 1909 |
| Lot Size | 0.194 acres (8,460 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $5,838 (2025) |
| Deeds & Mortgages | Oct 2025 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 8340-022-015 |
| Primary APN | 8340-022-015 |
|---|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 4 Baths |
| Units | 3 Units |
| Building Area | 3,044 sqft Living Area |
| Year Built | Built 1909 |
|---|---|
| Effective Year Built | Effective 1909 |
| Architectural Style | Triplex |
| Construction Type | Wood |
| Lot Area | 8,460 sqft (0.194 acres) |
| Total Buildings | 2 Buildings |
| Cooling System | HVAC |
|---|---|
| Heating System | HVAC |
| Street Address | 659 WILLIAM ST |
|---|---|
| City | POMONA |
| State | CA |
| Zip | 91768-3543 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Triplex |
| Local Zoning Code | POR3YY |
| Legal Description | GANESHA PARK TRACT E 60 FT OF LOT 15 BLK I |
| Legal Subdivision | GENESHA PARK TRACT |
| Legal Tract | E |
| Legal Block | I |
| Legal Lot Number | 15 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | EAST SAN GABRIEL VALLEY |
| Census Block Group | 2 |
| Census Block | 2000 |
| Census Tract | 402304 |
659 William St, a triplex, is owned by an individual who acquired it in December 2010.
Source: Los Angeles County records, as of August 25, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 3220 RIVERSIDE DR, CHINO, CA 91710-2952 |
| Owner Type | Individual |
| Vesting | Single Man |
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 | Name on Deed |
|---|---|
| Last Sale | Jan 31, 1994 |
| Deed Sale | Jan 31, 1994 |
| Deed Document Number | 1994210034 |
| Last Transfer Date | Dec 8, 2010 |
| Transfer Doc | 0001826622 |
| Record Updated | Oct 29, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Recording Date | Oct 27, 2025 |
| Property Address | 659 WILLIAM ST, POMONA, CA 91768-3543 |
| Document Number | 0000742598 |
| Map Reference | MB 14 PG 74&75 |
| Instrument Date | Oct 13, 2025 |
| Instrument | 25-0742598 |
| Transaction Type | Transfer |
| Record Updated | Nov 6, 2025 |
| Title Company | WFG NATIONAL TITLE COMPANY |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 3220 RIVERSIDE DR, CHINO, CA 91710-2952 |
| Document Number | 0000742599 |
|---|---|
| Date | Oct 27, 2025 |
| Instrument | 25-0742599 |
| Name | NMSI INC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Nov 1, 2055 |
The 2025 property tax bill for 659 William St was $5,838.
Source: Los Angeles County assessment roll, as of August 25, 2026
| Type | Name |
|---|---|
| State | California |
| County | Los Angeles County |
| Municipality | Pomona City |
| Unified School District | Pomona Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $392,026 (+2%) Land $196,013 Building $196,013 | |
| 2025 | $5,838.00 | $384,340 Land $192,170 Building $192,170 |
| 2023 | $5,147.00 (+1.68%) | $369,416 Land $184,708 Building $184,708 |
| 2022 | $5,062.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 659 William St in Zone X, an area of minimal flood risk.
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.
The area around 659 William St has no burnable land within ember reach, so its wildfire risk is not rated.
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.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | POMONA - CITY, WATER DEPT. serves 151,713 people · EPA ID CA1910126 |
|---|---|
| Water Source | Surface water |
| Lead | 2 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 516 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Frontier Fiber | 7,000 / 7,000 |
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T Fixed Wireless · DSL in parts of the area | 100 / 20 |
May also be available: GeoLinks, T-Mobile.
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