Los Angeles County property record for 21257 Gerndal St, Walnut, CA 91789
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 1,366 sqft · built 1968 |
| Lot Size | 0.186 acres (8,106 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $388,000 (Jan 2012) |
| Tax Bill | $6,386 (2025) |
| Deeds & Mortgages | Jan 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 8763-006-013 |
| Primary APN | 8763-006-013 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,366 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1968 |
|---|---|
| Effective Year Built | Effective 1968 |
| Architectural Style | Conventional |
| Exterior Material | Stucco |
| Construction Type | Wood |
| Roof Material | Wood Shingle |
| Lot Area | 8,106 sqft (0.186 acres) |
| Garage Type | Attached |
| Cooling System | Wall Unit |
|---|---|
| Heating System | Central |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 21257 GERNDAL ST |
|---|---|
| City | WALNUT |
| State | CA |
| Zip | 91789-3921 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | LCR108 |
| Legal Description | TRACT NO 27264 LOT 13 |
| Legal Subdivision | 27264 |
| Legal Tract | 27264 |
| Legal Block | 3 |
| Legal Lot Number | 13 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | EAST SAN GABRIEL VALLEY |
| Census Block Group | 3 |
| Census Block | 3017 |
| Census Tract | 403328 |
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 Individual Names on Record |
|---|---|
| Mailing Address | 21257 GERNDAL ST, WALNUT, CA 91789-3921 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jan 23, 2012 · Amount on Record |
| Deed Sale | Jan 23, 2012 · Amount on Record |
| Prior Sale | Oct 8, 2010 · Amount on Record |
| Deed Document Number | 2012115134 |
| Last Transfer Date | Jan 6, 2021 |
| Transfer Doc | 0000102397 |
| Record Updated | Oct 29, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Recording Date | Jan 20, 2021 |
| Property Address | 21257 GERNDAL ST, DIAMOND BAR, CA 91789-3921 |
| Document Number | 0000102397 |
| Map Reference | MB 722 PG 91-95 |
| Instrument Date | Jan 6, 2021 |
| Instrument | 21-0102397 |
| Transaction Type | Transfer |
| Record Updated | Sep 22, 2021 |
| Title Company | PACIFIC COAST TITLE COMPANY |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property with Right of Survivorship |
| Address | 21257 GERNDAL ST, WALNUT, CA 91789-3921 |
| Document Number | 0000102398 |
|---|---|
| Date | Jan 20, 2021 |
| Instrument | 21-0102398 |
| Name | VICTORIA FINANCIAL CORP |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Feb 1, 2051 |
Source: Los Angeles County assessment roll, as of August 25, 2026
| Type | Name |
|---|---|
| State | California |
| County | Los Angeles County |
| Municipality | Diamond Bar City |
| Unified School District | Walnut Valley Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $496,444 (+2%) Land $397,159 Building $99,285 | |
| 2025 | $6,386.00 (+7.15%) Homeowner's exemption | $486,711 (+4.04%) Land $389,372 Building $97,339 |
| 2023 | $5,960.00 (+2.14%) Homeowner's exemption | $467,813 Land $374,253 Building $93,560 |
| 2022 | $5,835.00 |
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
| 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.
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 | WALNUT VALLEY WATER DISTRICT serves 100,941 people · EPA ID CA1910234 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Last State Inspection | Jun 2023 |
| 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 286 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 |
| Starlink Satellite | 280 / 30 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: GeoLinks, Verizon.
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