The 2025 property tax bill for 6025 Rose Arbor Ave was $11,598.
Source: Contra Costa County assessment roll, as of July 14, 2026
Property Jurisdictions
Type
Name
State
California
County
Contra Costa County
Unified School District
West Contra Costa Unified School District (KG - 12)
Tax Bill & Assessment History
Year
Tax Bill
Assessed Value
2026
$756,697 (+2%)Land $408,524Building $348,173
2025
$11,598.00
$741,861Land $400,514Building $341,347
2023
$11,084.00 (+1.47%)
$713,055Land $384,962Building $328,093
2022
$10,923.00
Assessed value is set for property tax purposes and is not a market price estimate.
Flood
FEMA maps place 6025 Rose Arbor Ave in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 2021.
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
Community Rating System
Class 6 (20% premium discount)
Nearby Flood Policies
1 in force
Nearby Flood Claims
1 (2021)
Claims Outside the SFHA
1 of 1
Most Recent Claim
Dec 2021 · other causes
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
Wildfire risk around 6025 Rose Arbor Ave is moderate, ranking above 40% of the US, with a 0.07% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
Wildfire Risk
Moderate above 40% of the US · lower than 76% of California
Wildfire Likelihood
0.07% 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.
Drinking Water
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
Violations Reported to EPA
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.
Internet Providers
Source: FCC Broadband Data Collection, based on 330 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
2,000 / 250
Unwired Fixed Wireless
300 / 25
Verizon Fixed Wireless
300 / 20
May also be available: Etheric Networks, T-Mobile.