Los Angeles County property record for 150 N Mountain Ave, Monrovia, CA 91016
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 2,168 sqft · built 1924 |
| Lot Size | 0.152 acres (6,608 sqft) |
| Owner | Individual Name on File |
| Last Sale | $1,325,000 (Nov 2024) |
| Tax Bill | $17,683 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 8518-039-005 |
| Primary APN | 8518-039-005 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 2,168 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1924 |
|---|---|
| Effective Year Built | Effective 1969 |
| Architectural Style | Conventional |
| Construction Type | Wood |
| Roof Type | Gable |
| Roof Material | Composition Shingle |
| Lot Area | 6,608 sqft (0.152 acres) |
| Lot Dimensions | 130 ft deep x 51 ft wide |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 150 N MOUNTAIN AVE |
|---|---|
| City | MONROVIA |
| State | CA |
| Zip | 91016-2463 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | MORM* |
| Legal Description | TRACT # 4154 LOT 19 |
| Legal Subdivision | 4154 |
| Legal Tract | 4154 |
| Legal Block | 4 |
| Legal Lot Number | 19 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | UPPER SAN GABRIEL VALLEY |
| Census Block Group | 4 |
| Census Block | 4011 |
| Census Tract | 430301 |
150 N Mountain Ave is owned and occupied by an individual who bought it in November 2024.
Source: Los Angeles County records, as of August 25, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 150 N MOUNTAIN AVE, MONROVIA, CA 91016-2463 |
| Occupancy | Owner Occupied |
| 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 | Nov 27, 2024 · Amount on File |
| Deed Sale | Nov 27, 2024 · Amount on File |
| Prior Sale | Feb 5, 2008 · Amount on File |
| Deed Document Number | 2024835907 |
| Prior Transfer Date | Jun 13, 1994 |
| Prior Transfer Doc | 0001159139 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 150 N Mountain Ave was $17,683.
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 | $1,351,500 (+2%) Land $1,107,720 Building $243,780 | |
| 2025 | $17,683.00 | $1,325,000 Land $1,086,000 Building $239,000 |
| 2023 | $12,609.00 (+3.03%) Homeowner's exemption | $946,875 Land $654,102 Building $292,773 |
| 2022 | $12,238.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 150 N Mountain Ave in Zone X, an area of minimal flood risk, though there have been 6 flood claims nearby since 1978.
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 | 5 in force |
| Nearby Flood Claims | 6 (1978–1998) |
| Most Recent Claim | Feb 1998 · Severe Winter Storms And Flooding |
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 150 N Mountain Ave is low, with a 0.06% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 62% of the US · lower than 77% of California |
|---|---|
| Wildfire Likelihood | 0.06% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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 774 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Frontier Fiber | 5,000 / 5,000 |
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
| Giggle Fiber Cable | 1,000 / 40 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: GeoLinks, T-Mobile.
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