Contra Costa County property record for 4530 Walnut Blvd, Walnut Creek, CA 94596
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 2,328 sqft · built 1981 |
| Lot Size | 0.298 acres (13,000 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $1,310,000 (Aug 2016) |
| Tax Bill | $11,437 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 182-382-009-5 |
| Primary APN | 182-382-009-5 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 9 Rooms |
| Stories | 1 Story |
| Building Area | 2,328 sqft Living Area |
| 1st Floor Area | 2,328 sqft |
| Year Built | Built 1981 |
|---|---|
| Effective Year Built | Effective 1995 |
| Architectural Style | Cluster |
| Lot Area | 13,000 sqft (0.298 acres) |
| Garage Type | Attached |
| Garage Area | 726 sqft |
| Parking Spaces | 3 Parking Spaces |
| Cooling System | Central |
|---|
| Street Address | 4530 WALNUT BLVD |
|---|---|
| City | WALNUT CREEK |
| State | CA |
| Zip | 94596-6147 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | PUD |
| Legal Description | T05073 L0042 B |
| Legal Subdivision | SUBDIVISION 5073 |
| Legal Tract | 05073 |
| Legal Lot Number | 42 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1013 |
| Census Tract | 343003 |
Source: Contra Costa County records · APN 182-382-009-5
Assessment roll updated July 14, 2026 · Last verified July 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 File |
|---|---|
| Mailing Address | 4530 WALNUT BLVD, WALNUT CREEK, CA 94596-6147 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Aug 29, 2016 · Amount on Record |
| Deed Sale | Aug 29, 2016 · Amount on Record |
| Prior Sale | Jul 07, 2004 · Amount on Record |
| Deed Document Number | 2016174502 |
| Prior Transfer Date | Aug 05, 2003 |
| Prior Transfer Doc | 0000411022 |
| Record Updated | Sep 20, 2026 |
Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Walnut Creek City |
| Secondary School District | Acalanes Union High School District (09 - 12) |
| Elementary School District | Walnut Creek Elementary School District (KG - 08) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $961,531 (+2%) Land $688,255 Building $273,276 | |
| 2025 | $11,437.00 (+3.89%) Homeowner's exemption | $942,678 (+4.04%) Land $674,760 Building $267,918 |
| 2023 | $11,009.00 (+2.23%) Homeowner's exemption | $906,074 Land $648,559 Building $257,515 |
| 2022 | $10,769.00 |
Source: FEMA National Flood Hazard Layer as of October 12, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record median of 25 policies |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 25 in force |
| Nearby Flood Claims | 6 (1982–2015) |
| Claims Outside the SFHA | 1 of 6 |
| Most Recent Claim | Feb 2015 · rainfall accumulation |
| Wildfire Risk | Moderate above 69% of the US · above 44% of California |
|---|---|
| Wildfire Likelihood | 0.3% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Radiate Holdings Cable | 1,500 / 50 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
May also be available: Etheric Communications, LLC., Sonic Telecom, T-Mobile USA.
Based on FCC filings for 334 locations within half a mile of this property.
5G (outdoors only) and 4G LTE
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | EAST BAY MUD serves 1,468,000 people |
|---|---|
| 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 as reported to EPA, 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. The full violation and enforcement history is in the system's EPA record.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures