Clerk – Recorder – Assessor
Department
2025-2026 Assessment Roll
Deva Marie Proto
August 19, 2025
Annual Assessment Roll Numbers
• $127,016,463,045 taxable assessment value
o $122,925,144,503 secured value
o $ 4,091,318,542 unsecured value
• 5.44% increase from 2024/2025 assessment year
o 5.63% increase for secured value
o 0.01% increase for unsecured value
• Incorporated vs Unincorporated
o 5.12% increase for incorporated areas
o 5.92% increase for unincorporated areas
Assessment Roll Timelines
• 2025/2026 Assessment Roll
o Based on the assessed value as of January 1, 2025
o Roll Closes on June 30, 2025
• Fall 2025
o Tax Bills sent out by Auditor-Controller-Treasurer-Tax Collector ▪ First installment is due November 1
- Delinquent after December 10
▪ Second installment is due February 1
- Delinquent after April 10
• Roll Corrections / Supplemental Assessments
o Ongoing
Assessment Roll History
$66.10 Billion
$64.80 Billion
$64.60 Billion
$66.70 Billion
$71.60 Billion
$76.50 Billion
$81.10 Billion
$85.53 Billion
$88.98 Billion
$94.20 Billion
$98.57 Billion
$101.76 Billion
$108.33 Billion
$114.49 Billion
$120.46 Billion
$127.02 Billion
$0 B
$10 B
$20 B
$30 B
$40 B
$50 B
$60 B
$70 B
$80 B
$90 B
$100 B
$110 B
$120 B
$130 B
$140 B
Assessment Roll Growth History
-2.26%
-2.01%
-0.27%
3.32%
7.27%
6.90%
5.90%
5.46%
4.02%
5.87%
4.67%
3.23%
6.46%
5.68%
5.22%
5.44%
-4%
-2%
0%
2%
4%
6%
8%
City Assessment Roll Growth
3.59%
4.48%
5.57%
4.98%
5.46% 5.30%
6.35%
4.56%
4.22%
5.92%
0.00%
1.00%
2.00%
3.00%
4.00%
5.00%
6.00%
7.00%
Cloverdale Cotati Healdsburg Petaluma Rohnert Park Santa Rosa Sebastopol Sonoma Windsor Unincoirporated Santa Rosa Assessment Roll
Land Improvements Personal
Property Totals Exemptions Taxable
2024/2025
Unsecured $7,821,918 $443,976,392 $681,599,793 $1,133,398,103 $58,056,720 $1,075,341,383 Secured $11,651,331,046 $21,368,678,007 $450,189,204 $33,470,198,257 $1,799,812,465 $31,670,385,792 Totals $11,659,152,964 $21,812,654,399 $1,131,788,997 $34,603,596,360 $1,857,869,185 $32,745,727,175 2025/2026
Unsecured $6,133,777 $462,187,287 $676,210,747 $1,144,531,811 $60,578,029 $1,083,953,782 Secured $12,306,564,556 $22,626,678,327 $431,855,159 $35,365,098,042 $1,968,606,755 $33,396,491,287 Totals $12,312,698,333 $23,088,865,614 $1,108,065,906 $36,509,629,853 $2,029,184,784 $34,480,445,069 Percentage Change 5.61% 5.85% -2.10% 5.51% 9.22% 5.30%
Growth / Valuation Factors
• Proposition 13
oProperty is reassessed upon transfer or new construction oReassessed at market value at time of event
▪ Not necessarily sales prices, especially for off-market transactions oAssessment goes up annually
▪ CPI or 2%, whichever is lower
• Backlog Reduction
• Proposition 19
Questions?
Deva Marie Proto
County Clerk-Recorder-Assessor
[email protected]
Rhiannon Yeager
Chief Deputy Assessor
[email protected]
Assessor’s Office
[email protected]
707-565-1888