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FIPS: 06085•Rank #76 National•Rank #9 in CA
Santa Clara County, CA
Forward-Looking Municipal Debt, Assessment Lag & Carrying Cost Audit
Elevated Tax Drift Risk
96% Conf.
Tax Drift Index
55.4/ 100
Elevated Drift Risk
Santa Clara County Executive Risk Briefing
MSRB EMMA Disclosures & US Census BureauAugust 2026
Santa Clara County carries a Elevated Tax Drift Score (55.4/100) based on $8,600 in overlapping municipal debt per capita and a +25% CAD assessment lag spread. Projected 3-year millage escalation of +0.08% (+8 bps) indicates an estimated +$3,117/yr escrow adjustment on median-priced properties.
Median Home: $1.4MMedian Income: $153,000Effective Tax: 0.7%
Municipal Debt Per Capita
$8,600
5.6% of Median Income
CAD Valuation Lag
+25.0%
Assessed Value trailing Market HPI
3-Yr Millage Escalation
+8 bps
Effective Rate: 0.7% → 0.8%
Projected Annual Escrow Shock
+$3,117/yr
Estimated on median assessed home
Interactive Property Tax & Escrow Shock Simulator
Model forward-looking ad valorem tax obligations and monthly escrow adjustments for a specific parcel in Santa Clara County, CA.
$1.4M
$0
Current Annual Tax
$10,730
@ 0.74% eff. rate
Year 3 Projected Tax
$13,847
@ 0.82% eff. rate
Net Escrow Increase
+$3,117/yr
+$260/mo mortgage escrow
Projected Shock Attribution Breakdown+8 bps rate shift
1. Muni Bond Debt Service
+3 bps
I&S bond amortization
2. Operating Deficit Drift
+5 bps
M&O budget expansion
3. CAD Valuation Catch-up
+$1,744/yr
+$235,625 assessed base
Overlapping Taxing Jurisdictions & Debt Obligations
Breakdown of autonomous debt issuers assessing ad valorem property taxes on parcels within Santa Clara County.
| Entity Name | Entity Type | Outstanding Bond Debt | Debt / Student or Cap | Adopted Millage |
|---|---|---|---|---|
| San Jose Unified School District | ISD | $850.0M | $31,000 | 0.120% |
5-Year Historical Drift Score & Effective Rate Trajectory
2022
49
0.7% eff.
2023
51
0.7% eff.
2024
53
0.7% eff.
2025
54
0.7% eff.
2026
55.4
0.7% eff.
Statutory Constraint & Legislative Policy
Silicon Valley school districts and transit authorities pass large general obligation bond measures with high voter approval.
Data Provenance & Audit Citations