San Mateo County releases Property Assessment Roll for 2026-27 fiscal year
San Mateo County Assessor Mark Church announced that the County’s Property Assessment Roll climbed to a new record of more than $357.6 billion in assessed value for the 2026-27 fiscal year, representing growth of $16.6 billion, or 4.85%, over the prior year.
“San Mateo County continues to demonstrate remarkable economic resilience and long-term stability,” said Church. “Despite higher interest rates, housing affordability challenges, and shifting commercial real estate conditions, the County continues to benefit from a diverse economy, world-class employers, and sustained demand for property. This year’s assessment roll growth reflects continued confidence in San Mateo County’s future.”
The top 5 cities by percentage growth in assessed value include Brisbane 7.34%; Menlo Park 6.96%; Woodside 6.91%; Millbrae 6.82%; Atherton 6.71%.
The top 5 cities by dollar growth in assessed value include Menlo Park $2.07 billion; San Mateo $1.55 billion; Redwood City $1.24 billion; Atherton $1.17 billion; Burlingame $1.15 billion. The cumulative assessed value increases reflected in these five cities contributed to about 43.4% of the total 2026-27 Roll increase.
The 2026-27 Combined Assessment Roll represents the sixteenth consecutive year of record-setting growth.
