TaxDriftIndex
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FIPS: 48167Rank #53 NationalRank #1 in TX

Galveston County, TX

Forward-Looking Municipal Debt, Assessment Lag & Carrying Cost Audit

Elevated Tax Drift Risk
96% Conf.
Tax Drift Index
58.6/ 100
Elevated Drift Risk
Galveston County Executive Risk Briefing
MSRB EMMA Disclosures & US Census BureauAugust 2026

Galveston County carries a Elevated Tax Drift Score (58.6/100) based on $7,400 in overlapping municipal debt per capita and a +19.8% CAD assessment lag spread. Projected 3-year millage escalation of +0.25% (+25 bps) indicates an estimated +$1,782/yr escrow adjustment on median-priced properties.

Median Home: $320,000Median Income: $78,000Effective Tax: 2.1%
Municipal Debt Per Capita
$7,400
9.5% of Median Income
CAD Valuation Lag
+19.8%
Assessed Value trailing Market HPI
3-Yr Millage Escalation
+25 bps
Effective Rate: 2.1%2.4%
Projected Annual Escrow Shock
+$1,782/yr
Estimated on median assessed home

Overlapping Taxing Jurisdictions & Debt Obligations

Breakdown of autonomous debt issuers assessing ad valorem property taxes on parcels within Galveston County.

Entity NameEntity TypeOutstanding Bond DebtDebt / Student or CapAdopted Millage
Clear Creek ISDISD$1.4B$35,00097.000%

5-Year Historical Drift Score & Effective Rate Trajectory

2022
52
2.0% eff.
2023
54
2.0% eff.
2024
56
2.1% eff.
2025
57
2.1% eff.
2026
58.6
2.1% eff.
Statutory Constraint & Legislative Policy

Coastal infrastructure, drainage bonds, and petrochemical corridor school districts shape county millages.

Data Provenance & Audit Citations