Gus Kramer Delivers the 2024-2025 County Assessment Roll

Martinez, CA – The “2024-2025” Assessor’s Close of Roll Affidavit” was signed by Gus S. Kramer, Assessor, and subscribed and sworn to the County Clerk-Recorder’s Office, on June 28, 2024.

The 2024-2025 Assessment Roll has been delivered to the County Auditor, as required by law. The increase to the local tax base for 2024-2025 is over $11.16 billion. This represents a 4.17% increase in assessed value and brings the total net local assessment roll to more than $278.83 billion.

The 2024-2025 assessment roll is the highest to date in Contra Costa County’s history.

Cities with the largest increases in assessed value include Antioch, Oakley, and Martinez with increases ranging from 4.99% up to 6.09%. San Ramon, Concord, and Walnut Creek saw the lowest assessed value increases ranging from 2.97% down to 1.45%.

The assessment roll now consists of 380,681 parcels, an increase of 1,239 over the previous year.

The Assessor’s annual letter to the Board of Supervisors and 2024-2025 Assessment Roll Reports can be found here.

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2022-2023 Contra Costa County Assessment Roll

Cities With Biggest Tax Growth

Percent Change / City / Gain/Loss / Net Value

1. +6.09% – City of Martinez ($466,903,080) – Net value $8,123,723,070
2. +5.21% – City of Oakley (358,534,411) – Net value (7,228,081,187
3. +4.99% – City of Antioch ($742,038,035) – Net value $15,583,142,295
4. +4.67% – City of Richmond ($889,001,571) – Net value $19,923,835,581
5. +4.52% – Town of Danville ($779,365,075) – Net value $17,987,613,311
6. +4.50% – City of Lafayette ($508,192,960) – Net value $11,784,812,081
7. +4.48% – City of El Cerrito ($260,705,092) – Net value $6,075,986,503
8. +4.19% – City of Moraga ($233,093,985) – Net value $5,783,083,939
9. +4.03% – City of Clayton ($114,690,868) – Net Value $2,955,046,108
10. +4.01% – City of Pittsburg ($396,802,609) – Net value $10,288,012,403
11. +4.00% – City of Brentwood ($543,809,983) – Net value $14,125,329,773
12. +3.83% – City of Orinda ($360,124,405) – Net value $9,738,614,860
13. +3.79% – City of San Pablo ($92,783,570) – Net value $2,574,690,336
14. +3.58% – City of Hercules ($168,657,295) – Net value $4,874,916,009
15. +3.49% – City of Pleasant Hill ($285,711,325) – Net value $48,453,391,436
16. +3.46% – City of Pinole ($110,929,248) – Net value $3,311,983,168
17. +2.97% – City of San Ramon ($818,373,813) – Net value ($28,335,681,037
18. +1.74% – City of Concord ($379,195,603) – Net value $22,465,260,770
19. +1.45% – City of Walnut Creek ($357,284,483) – Net value $24,898,636,051

In 2023-204, the biggest gainers included:

• 8.49% – City of Oakley
• 7.59% – City of Antioch
• 7.14% – City of Lafayette
• 6.77% – City of Richmond
• 6.55% – City of Walnut Creek
• 6.15% – City of El Cerrito

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Previous Year:

• July 1, 2023 – Gus Kramer Delivers the 2023-2024 County Assessment Roll