Contra Costa County property record for 4207 Arthur Rd, Martinez, CA 94553
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,178 sqft · built 1986 |
| Lot Size | 0.59 acres (25,700 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $3,051 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 380-120-090-2 |
| Primary APN | 380-120-090-2 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,178 sqft Living Area |
| 1st Floor Area | 1,178 sqft |
| Year Built | Built 1986 |
|---|---|
| Effective Year Built | Effective 1989 |
| Lot Area | 25,700 sqft (0.59 acres) |
| Street Address | 4207 ARTHUR RD |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-1405 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R6 |
| Legal Description | POR RO LAS JUNTAS & 39PM27 POR PCL B |
| Legal Subdivision | LAS JUNTAS RHO |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1015 |
| Census Tract | 320001 |
Source: Contra Costa County records · APN 380-120-090-2
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 | 1000 HARBOR VIEW DR, MARTINEZ, CA 94553-2716 |
| Owner Type | Individual |
| Vesting | Single Person |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Transfer Date | Nov 07, 2014 |
| Transfer Doc | 0000024492 |
| 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 |
| Unified School District | Martinez Unified School District (KG - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $165,750 (+2%) Land $72,736 Building $93,014 | |
| 2025 | $3,051.00 (+8%) | $162,501 (+4.04%) Land $71,310 Building $91,191 |
| 2023 | $2,825.00 (+3.86%) | $156,192 Land $68,542 Building $87,650 |
| 2022 | $2,720.00 |
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 2 in force |
| Nearby Flood Claims | 1 (1998) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Jan 1998 · rainfall accumulation |
| Wildfire Risk | Low lower than 99.8% of the US · lower than 99.8% of California |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond ember reach |
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) |
|---|---|
| AT&T Fiber · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
May also be available: Radiate Holdings.
Based on FCC filings for 497 locations within half a mile of this property.
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 | CONTRA COSTA WATER DISTRICT serves 210,500 people |
|---|---|
| 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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures