Contra Costa County property record for 4455 Walnut Blvd, Walnut Creek, CA 94596
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 2 ba · 2,006 sqft · built 1948 |
| Lot Size | 0.628 acres (27,360 sqft) |
| Owner | Individual Name on File |
| Last Sale | $839,000 (Oct 2008) |
| Tax Bill | $17,037 (2025) |
| Deeds & Mortgages | Jun 2020 Mortgage May 2018 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 182-160-042-4 |
| Primary APN | 182-160-042-4 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 11 Rooms |
| Stories | 1 Story |
| Building Area | 2,006 sqft Living Area |
| Gross Area | 1,344 sqft |
| 1st Floor Area | 1,344 sqft |
| Year Built | Built 1948 |
|---|---|
| Effective Year Built | Effective 1948 |
| Lot Area | 27,360 sqft (0.628 acres) |
| Garage Type | Attached |
| Garage Area | 195 sqft |
| Parking Spaces | 3 Parking Spaces |
| Street Address | 4455 WALNUT BLVD |
|---|---|
| City | WALNUT CREEK |
| State | CA |
| Zip | 94596-6131 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R20 |
| Legal Description | PCL MAP 119 PG 10 PCL A |
| Legal Subdivision | SAN MIGUEL RHO |
| Legal Tract | 119PM10 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1002 |
| Census Tract | 343003 |
Source: Contra Costa County records · APN 182-160-042-4
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 | Individual Name on File |
|---|---|
| Mailing Address | 4455 WALNUT BLVD, WALNUT CREEK, CA 94596-6131 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Jun 29, 2020 | Intrafamily Transfer, Transfer · Conventional Mortgage BNC NATIONAL BANK |
| May 25, 2018 | Deed of Trust, Mortgage · Conventional Mortgage MR COOPER |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Oct 23, 2008 · Amount on Record |
| Deed Sale | Oct 23, 2008 · Amount on Record |
| Deed Document Number | 2008234583 |
| Prior Transfer Date | Oct 14, 2008 |
| Prior Transfer Doc | 0000234584 |
| Record Updated | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jun 29, 2020 |
| Property Address | 4455 WALNUT BLVD, WALNUT CREEK, CA 94596-6131 |
| Document Number | 0000126587 |
| Map Reference | MB 119 PG 10 |
| Instrument Date | Apr 22, 2020 |
| Instrument | 2020-126587 |
| Transaction Type | Transfer |
| Record Updated | Nov 03, 2022 |
| Title Company | SOLIDIFI |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 4455 WALNUT BLVD, WALNUT CREEK, CA 94596-6131 |
| Document Number | 0000126588 |
|---|---|
| Date | Jun 29, 2020 |
| Instrument | 2020-126588 |
| Name | BNC NATIONAL BANK |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 359 Months |
| Due | May 01, 2050 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 4455 WALNUT BLVD, WALNUT CREEK, CA 94596-6131 |
| Document Number | 0000088611 |
| Instrument Date | May 25, 2018 |
| Transaction Type | Mortgage |
| Record Updated | Jun 12, 2018 |
| Title Company | TITLE 365 CORAOPOLIS PA |
| Name | Verified Name |
|---|---|
| Address | 4455 WALNUT BLVD WALNUT CREEK CA 945966131, WALNUT CREEK, CA 94596-6131 |
| Document Number | 0000088611 |
|---|---|
| Date | Jun 05, 2018 |
| Instrument | 88611 |
| Name | MR COOPER |
|---|---|
| Address | DALLAS, TX 75019 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Jun 04, 2048 |
Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| 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 | $1,102,024 (+2%) Land $847,210 Building $254,814 | |
| 2025 | $17,037.00 (+2.89%) Homeowner's exemption | $1,080,417 (+4.04%) Land $830,599 Building $249,818 |
| 2023 | $16,558.00 (-0.25%) Homeowner's exemption | $1,038,465 Land $798,347 Building $240,118 |
| 2022 | $16,599.00 |
Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), as of October 12, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060133430031, as of September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition, as of 2020 · 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, water system CA0110005, 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.
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