Los Angeles County property record for 9111 Guess St, Rosemead, CA 91770
| Property Type | Triplex |
|---|---|
| Details | 6 bd · 3 ba · 2,632 sqft · built 1946 |
| Lot Size | 0.219 acres (9,522 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $249,000 (Oct 1998) |
| Tax Bill | $5,941 (2025) |
| Deeds & Mortgages | Nov 2017 Line of Credit |
| Flood Zone | Zone X (minimal risk) |
| APN | 8594-008-029 |
| Primary APN | 8594-008-029 |
|---|
| Bedrooms | 6 Beds |
|---|---|
| Full Baths | 3 Baths |
| Units | 3 Units |
| Building Area | 2,632 sqft Living Area |
| Year Built | Built 1946 |
|---|---|
| Effective Year Built | Effective 1946 |
| Architectural Style | Triplex |
| Construction Type | Wood |
| Lot Area | 9,522 sqft (0.219 acres) |
| Lot Dimensions | 175 ft deep x 55 ft wide |
| Total Buildings | 2 Buildings |
| Cooling System | HVAC |
|---|---|
| Heating System | HVAC |
| Street Address | 9111 GUESS ST |
|---|---|
| City | ROSEMEAD |
| State | CA |
| Zip | 91770-1903 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Triplex |
| Local Zoning Code | RMR1* |
| Legal Description | TRACT # 6288 W 55 FT OF LOT 41 |
| Legal Subdivision | 6288 |
| Legal Tract | 6288 |
| Legal Block | 1 |
| Legal Lot Number | 41 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | SOUTHWEST SAN GABRIEL VALLEY |
| Census Block Group | 1 |
| Census Block | 1002 |
| Census Tract | 432901 |
9111 Guess St, a triplex, is owned and occupied by two individuals who bought it in October 1998.
Source: Los Angeles County records, as of August 25, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 9111 GUESS ST, ROSEMEAD, CA 91770-1903 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
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 16, 1998 · Amount on File |
| Deed Sale | Oct 16, 1998 · Amount on File |
| Prior Sale | Apr 28, 1997 · Amount on File |
| Deed Document Number | 19981895644 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Property Address | 9111 GUESS ST, ROSEMEAD, CA 91770-1903 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Title Company | ORTC |
| Name | Verified Name |
|---|
| Document Number | 0001305000 |
|---|---|
| Date | Nov 14, 2017 |
| Instrument | 17-1305000 |
| Name | EAST WEST BANK |
|---|---|
| Type | Bank |
| Address | PASADENA, CA 91101 |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Nov 3, 2047 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
The 2025 property tax bill for 9111 Guess St was $5,941.
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 | $408,235 (+2%) Land $219,060 Building $189,175 | |
| 2025 | $5,941.00 | $400,234 Land $214,765 Building $185,469 |
| 2023 | $5,654.00 (+3.29%) | $384,694 Land $206,426 Building $178,268 |
| 2022 | $5,474.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 9111 Guess 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 9111 Guess 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 | 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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