Alameda County property record for 473 Diller St, Alameda, CA 94501
| Property Type | Condominium |
|---|---|
| Details | 4 bd · 3.5 ba · 2,303 sqft · built 2016 |
| Lot Size | 0.229 acres (9,983 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $1,180,000 (Dec 2023) |
| Tax Bill | $22,238 (2025) |
| Deeds & Mortgages | Dec 2023 Sale & Mortgage May 2023 Foreclosure |
| Flood Zone | Zone AE (high risk) |
| APN | 74-1372-58 |
| Primary APN | 74-1372-58 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Stories | 3 Stories |
| Building Area | 2,303 sqft Living Area |
| Year Built | Built 2016 |
|---|---|
| Effective Year Built | Effective 2016 |
| Architectural Style | Condo/Apartment |
| Construction Type | Wood |
| Lot Area | 9,983 sqft (0.229 acres) |
| Street Address | 473 DILLER ST |
|---|---|
| City | ALAMEDA |
| State | CA |
| Zip | 94501-7864 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Condominium |
| Legal Description | TR: 8132 LOT: 3 BLDG: UNIT:3 |
| Legal Subdivision | 6286 CASTLEWOOD PARK UN #11 |
| Legal Tract | 8132 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | ALAMEDA |
| Census Block Group | 3 |
| Census Block | 3004 |
| Census Tract | 428700 |
473 Diller St, a condominium, is owned and occupied by two individuals who bought it in December 2023.
Source: Alameda County records, as of October 19, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 473 DILLER ST, ALAMEDA, CA 94501-7864 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Dec 8, 2023 | Grant Deed, Transfer · Conventional Mortgage PROVIDENT CU |
| May 5, 2023 | Trustee's Deed, Foreclosure |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Dec 8, 2023 · Amount on File |
| Deed Sale | Dec 8, 2023 · Amount on File |
| Prior Sale | May 5, 2023 · Amount on File |
| Deed Document Number | 2023143872 |
| Prior Transfer Date | May 3, 2023 |
| Prior Transfer Doc | 0000051027 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Dec 8, 2023 |
| Property Address | 473 DILLER ST, ALAMEDA, CA 94501-7864 |
| Document Number | 0000143872 |
| Map Reference | MB 329 PG 21-28 |
| Instrument Date | Dec 1, 2023 |
| Instrument | 2023143872 |
| Transaction Type | Transfer |
| Record Updated | Feb 6, 2024 |
| Title Company | FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $15,458.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Tenants in Common |
| Address | 473 DILLER ST, ALAMEDA, CA 94501-7864 |
| Document Number | 0000143873 |
|---|---|
| Date | Dec 8, 2023 |
| Instrument | 2023143873 |
| Name | PROVIDENT CU |
|---|---|
| Type | Credit Union |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Jan 1, 2054 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 6.87% |
| Type Change Date | Jan 1, 2034 |
| Change Frequency | 10 Years |
| Min Rate At Change | 3.87% |
| Max Rate At Change | 9.87% |
| Index | 10-Year TN |
| Margin | 2 |
| Max Rate | 12.8% |
| Document Type | Trustee's Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | May 5, 2023 |
| Property Address | 473 DILLER ST, ALAMEDA, CA 94501-7864 |
| Document Number | 0000051027 |
| Map Reference | MB 423 PG 42-4 |
| Instrument Date | May 3, 2023 |
| Instrument | 2023051027 |
| Transaction Type | Foreclosure |
| Record Updated | Jun 2, 2023 |
| Amount | Amount on Record |
|---|---|
| Tax | $12,576.00 |
| Amount Accuracy | Full Amount Stated |
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 2015 MANHATTAN BEACH BLVD STE 100, 100, REDONDO BEACH, CA 90278-1230 |
The 2025 property tax bill for 473 Diller St was $22,238 with a homeowner's exemption.
Source: Alameda County assessment roll, as of August 5, 2026
| Type | Name |
|---|---|
| State | California |
| County | Alameda County |
| Municipality | Alameda City |
| Unified School District | Alameda City Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $1,220,672 (+1.42%) Land $374,544 Building $853,128 | ||
| 2025 | $22,238.00 Homeowner's exemption | $1,203,600 Land $367,200 Building $836,400 | |
| 2023 | $20,785.00 | $1,133,236 Land $339,000 Building $794,236 | $1,039,500 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 473 Diller St in Zone AE, a high-risk flood area; flood insurance is required for federally backed loans.
Source: FEMA National Flood Hazard Layer, effective May 25, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone AE high risk |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | No |
| Base Flood Elevation | 10.0 ft |
| Flood Insurance Requirement | Required federally backed loans |
| Flood Insurance Cost | Premium on File median of 39 policies |
| Community Rating System | Class 8 (10% premium discount) |
| Nearby Flood Policies | 39 in force |
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.
The area around 473 Diller St has no burnable land within ember reach, so its wildfire risk is not rated.
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 | EAST BAY MUD serves 1,468,000 people · EPA ID CA0110005 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Dec 2021 |
| 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. This system sells water to local utilities; the supplier billing this address may be one of them.
Source: FCC Broadband Data Collection, based on 163 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 1,000 / 75 |
| Unwired Fixed Wireless | 300 / 25 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| AT&T Fixed Wireless · DSL · Fiber in parts of the area | 100 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: GeoLinks, Google Fiber, Sail Internet.
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