Los Angeles County property record for 21173 Hillside Dr, Topanga, CA 90290
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,166 sqft · built 1948 |
| Lot Size | 1.44 acres (62,955 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $8,964 (2025) |
| Deeds & Mortgages | Oct 2021 Mortgage Jul 2019 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 4440-010-035 |
| Primary APN | 4440-010-035 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Building Area | 1,166 sqft Living Area |
| Year Built | Built 1948 |
|---|---|
| Effective Year Built | Effective 1960 |
| Construction Type | Wood |
| Lot Area | 62,955 sqft |
| Heating System | Central |
|---|
| Street Address | 21173 HILLSIDE DR |
|---|---|
| City | TOPANGA |
| State | CA |
| Zip | 90290-4215 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | LCR11L |
| Legal Description | TR=6943 LOTS 451,452,453,454,455,456,457 ,458,459 AND 462 |
| Legal Subdivision | 6943 |
| Legal Tract | 6943 |
| Legal Block | 1 |
| Legal Lot Number | 451-4 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | AGOURA HILLS-MALIBU |
| Census Block Group | 1 |
| Census Block | 1031 |
| Census Tract | 800103 |
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 | Individual Name on File |
|---|---|
| Mailing Address | 2700 NEILSON WAY, 1133, SANTA MONICA, CA 90405-4018 |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Oct 13, 2021 | Deed of Trust, Mortgage · Conventional Mortgage UNITED WHOLESALE MORTGAGE |
| Jul 17, 2019 | Deed of Trust, Mortgage · Conventional Mortgage BETTER MORTGAGE CORPORATION |
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | Sep 24, 2013 |
| Transfer Doc | 0001415275 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Property Address | 21173 HILLSIDE DR, TOPANGA, CA 90290-4215 |
| Transaction Type | Mortgage |
| Record Updated | Oct 21, 2021 |
| Title Company | LAWYERS TITLE |
| Name | Verified Name |
|---|---|
| Address | 21173 HILLSIDE DR, TOPANGA, CA 90290-4215 |
| Document Number | 0001545509 |
|---|---|
| Date | Oct 13, 2021 |
| Instrument | 21-1545509 |
| Name | UNITED WHOLESALE MORTGAGE |
|---|---|
| Type | Mortgage Company |
| Address | PONTIAC, MI 48341 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Nov 1, 2051 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Property Address | 21173 HILLSIDE DR, TOPANGA, CA 90290-4215 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Title Company | TITLE365 |
| Name | Verified Name |
|---|
| Document Number | 0000691819 |
|---|---|
| Date | Jul 17, 2019 |
| Instrument | 19-0691819 |
| Name | BETTER MORTGAGE CORPORATION |
|---|---|
| Type | Mortgage Company |
| Address | NEW YORK, NY 10006 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Aug 1, 2049 |
Source: Los Angeles County assessment roll, as of August 25, 2026
| Type | Name |
|---|---|
| State | California |
| County | Los Angeles County |
| Unified School District | Los Angeles Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $724,885 (+2%) Land $388,222 Building $336,663 | |
| 2025 | $8,964.00 (+5.72%) | $710,672 (+4.04%) Land $380,610 Building $330,062 |
| 2023 | $8,479.00 (+4.91%) | $683,079 Land $365,832 Building $317,247 |
| 2022 | $8,082.00 |
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File median of 24 policies |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 24 in force |
| Nearby Flood Claims | 1 (2024) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Feb 2024 · 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 | Extreme above 98.6% of the US · above 91% of California |
|---|---|
| Wildfire Likelihood | 2% annual chance |
| Exposure | Direct burnable vegetation |
Insurers in high-risk areas may require mitigation or decline coverage; check availability before making an offer.
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 CWWD 29 & 80-MALIBU serves 31,316 people · EPA ID CA1910204 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Last State Inspection | Jul 2024 |
| Lead | 9 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 99 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Frontier Fiber | 7,000 / 7,000 |
| Spectrum Cable | 1,000 / 1,000 |
No cell data coverage reported
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