The source record
A functioning Census entity.
The Census ACTIVE field is Y for this record.
- Census ID
- 141964
- Record type
- Special district government
- Classification
- Special district
- Census function
- Health (32)
- Status
- Functioning
U.S. Census government inventory · ID 141964
Contra Costa Mosquito and Vector Control District.
Special district government in California · Census county area: Contra Costa.
Special district governmentSpecial districtFunctioningHealth
Published contact fields
Contact and location
Mailing address155 MASON CIR · CONCORD, CA · 94520-1213
Census contact/title fieldAccounting Benefits Spclst
County areaContra Costa
Reported websiteOpen reported website ↗
Websites are primarily self-reported and received only limited Census Bureau quality control. County area can mean the area most served or the headquarters county when boundaries cross counties.
Evidence boundary
What each source proves—and what it does not.
Established by the published records
- The entity or system appears in the 2025 Census listing.
- Its Census category, identifier, and functioning/dormant field.
- Only the location, function, population, enrollment, and contact fields actually published.
Not established by these records
- Whether each governing or administrative role is elected, appointed, or mixed.
- The exact geographic service boundary or that a reported website remains current.