Alameda County property record for 20235 Redwood Rd, Castro Valley, CA 94546
| Property Type | Commercial Office |
|---|---|
| Details | 1 ba · 1,872 sqft · built 1937 |
| Lot Size | 0.194 acres (8,453 sqft) |
| Owner | Trust Name on File |
| Last Sale | $670,000 (Feb 2007) |
| Tax Bill | $12,203 (2025) |
| Deeds & Mortgages | Mar 2022 Mortgage Mar 2017 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 84A-80-7-6 |
| Primary APN | 84A-80-7-6 |
|---|---|
| Alternative APN |
|
| Full Baths | 1 Bath |
|---|---|
| Stories | 1 Story |
| Building Area | 1,872 sqft Total Area |
| Year Built | Built 1937 |
|---|---|
| Effective Year Built | Effective 1946 |
| Architectural Style | Custom Design |
| Construction Type | Wood |
| Fire Resistance | Wood or Wood & Steel Frame |
| Lot Area | 8,453 sqft (0.194 acres) |
| View / Lot | Average |
| Street Address | 20235 REDWOOD RD |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94546-4331 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Commercial Office |
| Legal Description | LOT: 00006 BLK: 0007 AR: 084A PAGE: 0080 |
| Legal Subdivision | WESTERN LINE/COUNTY ROAD 957 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 1 |
| Census Block | 1005 |
| Census Tract | 430900 |
20235 Redwood Rd, a commercial property, is held in a trust since February 2017.
Source: Alameda County records, as of August 5, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 20235 REDWOOD RD, CASTRO VALLEY, CA 94546-4331 |
| Owner Type | Company |
| Vesting | Trust |
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 |
|---|---|
| Mar 23, 2022 | Deed of Trust, Mortgage US BANK NA |
| Mar 9, 2017 | Intrafamily Transfer, Transfer · Commercial Mortgage US BANK NA |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Feb 13, 2007 · Amount on File |
| Deed Sale | Feb 13, 2007 · Amount on File |
| Deed Document Number | 200768498 |
| Last Transfer Date | Feb 23, 2017 |
| Transfer Doc | 0000058312 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 20235 REDWOOD RD, CASTRO VALLEY, CA 94546-4331 |
| Transaction Type | Mortgage |
| Record Updated | Apr 12, 2022 |
| Name | Verified Name |
|---|---|
| Address | 18751 E CAVENDISH DR, CASTRO VALLEY, CA 94552-1717 |
| Document Number | 0000060678 |
|---|---|
| Date | Mar 23, 2022 |
| Instrument | 2022060678 |
| Name | US BANK NA |
|---|---|
| Type | Bank |
| Address | PORTLAND, OR 97204 |
| Amount | Amount on Record |
|---|
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Mar 9, 2017 |
| Property Address | 20235 REDWOOD RD, CASTRO VALLEY, CA 94546-4331 |
| Document Number | 0000058312 |
| Instrument Date | Feb 23, 2017 |
| Instrument | 2017058312 |
| Transaction Type | Transfer |
| Record Updated | Aug 19, 2021 |
| Title Company | NORTH AMERICAN TITLE CO INC |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Family Living Trust |
| Address | 20235 REDWOOD RD, CASTRO VALLEY, CA 94546-4331 |
| Document Number | 0000058313 |
|---|---|
| Date | Mar 9, 2017 |
| Instrument | 2017058313 |
| Name | US BANK NA |
|---|---|
| Type | Bank |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount on Record |
The 2025 property tax bill for 20235 Redwood Rd was $12,203.
Source: Alameda County assessment roll, as of August 5, 2026
| Type | Name |
|---|---|
| State | California |
| County | Alameda County |
| Unified School District | Castro Valley Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $915,534 (+2%) Land $288,598 Building $626,936 | |
| 2025 | $12,203.00 | $897,585 Land $282,940 Building $614,645 |
| 2023 | $11,721.00 | $862,737 Land $271,955 Building $590,782 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 20235 Redwood Rd in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective May 25, 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 |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 2 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 20235 Redwood Rd 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 704 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Sonic Telecom Fiber | 10,000 / 10,000 |
| AT&T Fiber · DSL · Fixed Wireless in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| Starlink Satellite | 280 / 30 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: GeoLinks.
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