Contra Costa County property record for 475 Muller Rd, Walnut Creek, CA 94598
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,148 sqft · built 1947 |
| Lot Size | 0.74 acres (32,234 sqft) |
| Owner | Trust Name on File |
| Tax Bill | $2,377 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 179-212-012-1 |
| Primary APN | 179-212-012-1 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 2,148 sqft Living Area |
| 1st Floor Area | 2,148 sqft |
| Year Built | Built 1947 |
|---|---|
| Effective Year Built | Effective 1947 |
| Lot Area | 32,234 sqft (0.74 acres) |
| Garage Type | Attached |
| Garage Area | 390 sqft |
| Parking Spaces | 1 Parking Space |
| Street Address | 475 MULLER RD |
|---|---|
| City | WALNUT CREEK |
| State | CA |
| Zip | 94598-4851 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R120 |
| Legal Description | CCCC LAND CO POR LOT A 0.740 AC |
| Legal Subdivision | SAN MIGUEL RHO |
| Legal Lot Number | A |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1004 |
| Census Tract | 343002 |
475 Muller Rd is owner-occupied and held in a trust since January 2016.
Source: Contra Costa County records, as of July 14, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 475 MULLER RD, WALNUT CREEK, CA 94598-4851 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | Jan 20, 2016 |
| Transfer Doc | 0000030056 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 475 Muller Rd was $2,377 with a homeowner's exemption.
Source: Contra Costa County assessment roll, as of July 14, 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) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $149,973 (+2%) Land $39,964 Building $110,009 | |
| 2025 | $2,377.00 Homeowner's exemption | $147,033 Land $39,181 Building $107,852 |
| 2023 | $2,262.00 (+1.94%) Homeowner's exemption | $141,325 Land $37,660 Building $103,665 |
| 2022 | $2,219.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 475 Muller Rd in Zone X, an area of minimal flood risk, though there have been 25 flood claims nearby since 1982.
Source: FEMA National Flood Hazard Layer, effective October 12, 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 |
| Flood Insurance Cost | Premium on File median of 45 policies |
| Community Rating System | Class 8 (10% premium discount) |
| Nearby Flood Policies | 45 in force |
| Nearby Flood Claims | 25 (1982–2023) |
| Claims Outside the SFHA | 1 of 25 |
| Most Recent Claim | Feb 2023 · Severe Winter Storms And Mudslides |
| Claims by Event |
|
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.
Wildfire risk around 475 Muller Rd is moderate, ranking above 45% of the US, with a 0.09% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 45% of the US · lower than 73% of California |
|---|---|
| Wildfire Likelihood | 0.09% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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 246 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Astound Broadband Cable | 1,500 / 50 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
May also be available: Etheric Networks, Sonic Telecom.
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