Contra Costa County Assessor's Office
Address
2530 Arnold Dr, Suite 100
Martinez, CA 94553
(925) 313-7400
Description:
Discovers and assessing all property within the County, produces and delivers an assessment roll by July 1 of each year, values all real property, audits all entities doing business in the County and valuing all taxable personal property, establishes and maintains a set of 11,000 maps for assessment purposes, delineates every parcel of land in the County and provides a public information service to assist taxpayers with questions about property ownership and assessment including proposition 60 which provides for the transfer of property tax base for senior citizens. Website allows property owners in the county to see their tax bill, assessment and other information.
Handicap Accessible?
Yes
Is Shelter?
No
Date of Official Change:
February 21, 2023
Address Listings
Physical (Primary)
2530 Arnold Dr, Suite 100
Martinez, CA 94553
Mailing
2530 Arnold Dr, Suite 100
Martinez, CA 94553
Contacts
Gus Kramer
Phone Numbers
Main Number
(925) 313-7400
Fax
(925) 313-7488
Accessibility:
Handicap Accessible
Services
Click here to show all service details. Or click on a service name to see its details specifically.
Description
Discovers and assessing all property within the County, produces and delivers an assessment roll by July 1 of each year, values all real property, audits all entities doing business in the County and valuing all taxable personal property, establishes and maintains a set of 11,000 maps for assessment purposes, delineates every parcel of land in the County and provides a public information service to assist taxpayers with questions about property ownership and assessment including proposition 60 which provides for the transfer of property tax base for senior citizens. Website allows property owners in the county to see their tax bill, assessment and other information.
Hours
Monday-Friday, 8am - 4pm
Required Documents
None
Eligibility
Contra Costa County homeowner/property owner
Fees
None
Intake Procedure
Call for information (answering machine gives further information) or check website
Languages
English and Spanish
Service Area
Contra Costa County
Geography Served
- California
- Contra Costa County
- Contra Costa County
If a location is grayed out it means that only certain areas within it are covered. The areas with complete covereage are listed in black.
Telephone Numbers
Description
Discovers and assessing all property within the County, produces and delivers an assessment roll by July 1 of each year, values all real property, audits all entities doing business in the County and valuing all taxable personal property, establishes and maintains a set of 11,000 maps for assessment purposes, delineates every parcel of land in the County and provides a public information service to assist taxpayers with questions about property ownership and assessment including proposition 60 which provides for the transfer of property tax base for senior citizens. Website allows property owners in the county to see their tax bill, assessment and other information.
Hours
Monday-Friday, 8am - 4pm
Required Documents
None
Eligibility
Contra Costa County homeowner/property owner
Fees
None
Intake Procedure
Call for information (answering machine gives further information) or check website
Languages
English and Spanish
Service Area
Contra Costa County
Geography Served
- California
- Contra Costa County
- Contra Costa County
If a location is grayed out it means that only certain areas within it are covered. The areas with complete covereage are listed in black.
Telephone Numbers
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