Contra Costa County property record for 3000 Oak Rd, Walnut Creek, CA 94597
| Property Type | Commercial Office |
|---|---|
| Details | 99,147 sqft · built 1989 |
| Lot Size | 1.81 acres (79,017 sqft) |
| Owner | Company on Record |
| Last Sale | $2,257,000 (Feb 1996) |
| Tax Bill | $144,445 (2025) |
| Deeds & Mortgages | Jun 2018 Sale Jun 2018 Construction Loan |
| Flood Zone | Zone X (minimal risk) |
| APN | 148-221-033-1 |
| Primary APN | 148-221-033-1 |
|---|---|
| Alternative APN |
|
| Stories | 1 Story |
|---|---|
| Building Area | 99,147 sqft Gross Area |
| 1st Floor Area | 99,147 sqft |
| Year Built | Built 1989 |
|---|---|
| Effective Year Built | Effective 1991 |
| Lot Area | 79,017 sqft |
| Street Address | 3000 OAK RD |
|---|---|
| City | WALNUT CREEK |
| State | CA |
| Zip | 94597-2092 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Commercial Office |
| Local Zoning Code | P1 |
| Legal Description | POR RO LAS JUNTAS |
| Legal Subdivision | LAS JUNTAS RHO |
| Legal Lot Number | 1 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2002 |
| Census Tract | 324003 |
Source: Contra Costa County assessment roll, as of July 14, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company on Record |
|---|---|
| Mailing Address | PO BOX 907, CONCORD, CA 94522-0907 |
| Owner Type | Company |
| Vesting | Partnership |
| Date | Document |
|---|---|
| Jun 12, 2018 | Grant Deed, Transfer |
| Jun 12, 2018 | Grant Deed, Construction Loan · Construction Mortgage FIRST REPUBLIC BK |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Feb 27, 1996 · Amount on Record |
| Deed Sale | Feb 27, 1996 · Amount on Record |
| Prior Sale | Feb 8, 1996 · Amount on Record |
| Deed Document Number | 199634739 |
| Last Transfer Date | Mar 7, 2011 |
| Transfer Doc | 0000051569 |
| Record Updated | Sep 20, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jun 12, 2018 |
| Property Address | 3000 OAK RD, WALNUT CREEK, CA 94597-2092 |
| Document Number | 0000092520 |
| Instrument Date | Jun 6, 2018 |
| Instrument | 92520 |
| Transaction Type | Transfer |
| Record Updated | Jun 21, 2018 |
| Amount | Amount Recorded |
|---|---|
| Tax | $47,850.00 |
| Amount Accuracy | Confirmed |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 111 PINE ST SAN FRANCISCO CA 941115602, SAN FRANCISCO, CA 94111-5602 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jun 12, 2018 |
| Property Address | 3000 OAK RD, WALNUT CREEK, CA 94597-2092 |
| Instrument Date | May 30, 2018 |
| Instrument | 92519 |
| Transaction Type | Construction Loan |
| Record Updated | Jun 22, 2018 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|---|
| Relationship | Limited Partnership |
| Address | 1380 GALAXY WAY CONCORD CA 945204912, CONCORD, CA 94520-4912 |
| Document Number | 0000092519 |
|---|---|
| Date | Jun 12, 2018 |
| Instrument | 92519 |
| Name | FIRST REPUBLIC BK |
|---|---|
| Type | Bank |
| Address | 111 PINE ST, SAN FRANCISCO, CA 94111-5602 |
| Type | Construction Mortgage |
|---|---|
| Amount | Amount Recorded |
| Rate Type | Adjustable Rate |
|---|
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Unified School District | Mount Diablo Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $10,965,000 (+0.8%) Land $1,759,000 Building $9,206,000 | |
| 2025 | $144,445.00 (-59.7%) | $10,878,000 (-63.57%) Land $1,745,100 Building $9,132,900 |
| 2023 | $358,381.00 (-0.16%) | $29,859,831 Land $4,790,337 Building $25,069,494 |
| 2022 | $358,938.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
Source: FEMA National Flood Hazard Layer, effective October 12, 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 | CONTRA COSTA WATER DISTRICT serves 210,500 people · EPA ID CA0710003 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Jan 2022 |
| Lead | Under 1 ppb (2026–2028) 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 368 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable · Fiber in parts of the area | 2,000 / 250 |
| Astound Broadband Cable · Fiber in parts of the area | 1,500 / 50 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
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