Los Angeles County property record for 20112 Diehl St, Walnut, CA 91789
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 1,442 sqft · built 1964 |
| Lot Size | 0.217 acres (9,449 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $476,000 (Sep 2012) |
| Tax Bill | $7,600 (2025) |
| Deeds & Mortgages | Feb 2021 Mortgage Oct 2020 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 8720-002-013 |
| Primary APN | 8720-002-013 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 1,442 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1964 |
|---|---|
| Effective Year Built | Effective 1964 |
| Architectural Style | Conventional |
| Exterior Material | Stucco |
| Construction Type | Wood |
| Roof Type | Gable |
| Roof Material | Composition Shingle |
| Lot Area | 9,449 sqft (0.217 acres) |
| Lot Dimensions | 154 ft deep x 48 ft wide |
| Heating System | Central |
|---|
| Street Address | 20112 DIEHL ST |
|---|---|
| City | WALNUT |
| State | CA |
| Zip | 91789-2307 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | WAR17200* |
| Legal Description | TRACT NO 27883 LOT 13 |
| Legal Subdivision | 27883 |
| Legal Tract | 27883 |
| Legal Block | 1 |
| Legal Lot Number | 13 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | EAST SAN GABRIEL VALLEY |
| Census Block Group | 1 |
| Census Block | 1004 |
| Census Tract | 403402 |
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 | 20112 DIEHL ST, WALNUT, CA 91789-2307 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Feb 18, 2021 | Intrafamily Transfer, Transfer · Conventional Mortgage QUICKEN LOANS LLC |
| Oct 5, 2020 | Deed of Trust, Mortgage · Conventional Mortgage BROKER SOLUTIONS INC |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Sep 17, 2012 · Amount on Record |
| Deed Sale | Sep 17, 2012 · Amount on Record |
| Prior Sale | Mar 22, 1996 · Amount on Record |
| Deed Document Number | 20121392970 |
| Last Transfer Date | Feb 8, 2021 |
| Transfer Doc | 0000275335 |
| Record Updated | Oct 29, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Recording Date | Feb 18, 2021 |
| Property Address | 20112 DIEHL ST, WALNUT, CA 91789-2307 |
| Document Number | 0000275335 |
| Map Reference | MB 710 PG 76-80 |
| Instrument Date | Feb 8, 2021 |
| Instrument | 21-0275335 |
| Transaction Type | Transfer |
| Record Updated | Sep 22, 2021 |
| Title Company | INNOVATIVE TITLE COMPANY LLC, INNOVATIVE TITLE COMPANY |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 20112 DIEHL ST, WALNUT, CA 91789-2307 |
| Document Number | 0000275336 |
|---|---|
| Date | Feb 18, 2021 |
| Instrument | 21-0275336 |
| Name | QUICKEN LOANS LLC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Mar 1, 2051 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Property Address | 20112 DIEHL ST, WALNUT, CA 91789-2307 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Title Company | FIRST AMERICAN MORTGAGE SLN |
| Name | Verified Name |
|---|---|
| Address | 20112 DIEHL ST, WALNUT, CA 91789-2307 |
| Document Number | 0001228765 |
|---|---|
| Date | Oct 5, 2020 |
| Instrument | 20-1228765 |
| Name | BROKER SOLUTIONS INC |
|---|---|
| Type | Mortgage Company |
| Address | TUSTIN, CA 92780 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Oct 1, 2050 |
Source: Los Angeles County assessment roll, as of August 25, 2026
| Type | Name |
|---|---|
| State | California |
| County | Los Angeles County |
| Municipality | Walnut City |
| Unified School District | Walnut Valley Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $597,871 (+2%) Land $319,160 Building $278,711 | |
| 2025 | $7,600.00 (+7.48%) Homeowner's exemption | $586,149 (+4.04%) Land $312,902 Building $273,247 |
| 2023 | $7,071.00 (+2.11%) Homeowner's exemption | $563,390 Land $300,752 Building $262,638 |
| 2022 | $6,925.00 |
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 | 1 in force |
| Nearby Flood Claims | 2 (1980) |
| Most Recent Claim | Jan 1980 · tidal / storm surge |
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 | Not rated no wildfire likelihood modeled here |
|---|
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 621 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 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: GeoLinks.
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