Los Angeles County property record for 4 Hidden Valley Rd, Monrovia, CA 91016
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 4 ba · 3,170 sqft · built 1968 |
| Lot Size | 0.605 acres (26,339 sqft) |
| Owner | 2 Company Names on Record |
| Tax Bill | $5,440 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 8520-002-006 |
| Primary APN | 8520-002-006 |
|---|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 4 Baths |
| Total Rooms | 14 Rooms |
| Stories | 1 Story |
| Building Area | 3,170 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1968 |
|---|---|
| Effective Year Built | Effective 1968 |
| Architectural Style | Contemporary |
| Exterior Material | Stucco |
| Construction Type | Wood |
| Roof Type | Gable |
| Roof Material | Tile |
| Lot Area | 26,339 sqft (0.605 acres) |
| Lot Dimensions | 180 ft deep x 165 ft wide |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 4 HIDDEN VALLEY RD |
|---|---|
| City | MONROVIA |
| State | CA |
| Zip | 91016-1601 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | MORF* |
| Legal Description | 0.65 MORE OR LESS AC BEING EX OF ST LOT COM N 72 0702 W 153.66 FT FROM MOST W COR OF LOT 7 TRACT NO 6319 TH N 72 0702 W TO SE LINE OF LAND DESC IN OR23149-2 98 TO H M EDER TH SW THEREON 150 FT TH PART OF NW 1/4 OF SEC 23 T 1N R 11W |
| Legal Range | 11W |
| Legal Township | 01N |
| Legal Section | 23 |
| Legal Subdivision | 6319 |
| Legal Tract | 6319 |
| Legal Block | 3 |
| Legal Lot Number | 7 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | UPPER SAN GABRIEL VALLEY |
| Census Block Group | 3 |
| Census Block | 3018 |
| Census Tract | 430301 |
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 | 4 HIDDEN VALLEY RD, MONROVIA, CA 91016-1601 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust, Personal Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Jul 16, 2015 |
| Transfer Doc | 0000988442 |
| Record Updated | Oct 29, 2026 |
Source: Los Angeles County assessment roll, as of August 25, 2026
| Type | Name |
|---|---|
| State | California |
| County | Los Angeles County |
| Municipality | Monrovia City |
| Unified School District | Monrovia Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $373,691 (+2%) Land $114,812 Building $258,879 | |
| 2025 | $5,440.00 (+4.86%) Homeowner's exemption | $366,364 (+4.04%) Land $112,561 Building $253,803 |
| 2023 | $5,188.00 (+2.88%) Homeowner's exemption | $352,140 Land $108,191 Building $243,949 |
| 2022 | $5,043.00 |
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 · 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 | 3 in force |
| Nearby Flood Claims | 3 (1982–2016) |
| Most Recent Claim | Jan 2016 · rainfall accumulation |
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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | High above 81% of the US · above 59% of California |
|---|---|
| Wildfire Likelihood | 0.6% 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 | MONROVIA-CITY, WATER DEPT. serves 37,931 people · EPA ID CA1910090 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Sep 2024 |
| Lead | Under 1 ppb (2022–2024) 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 578 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Frontier Fiber | 5,000 / 5,000 |
| Spectrum Cable | 1,000 / 1,000 |
| Giggle Fiber Cable | 1,000 / 40 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: T-Mobile.
5G (outdoors only) and 4G LTE
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