Delta Property Tax Quick Facts
- Location
- Delta, Utah
- Millard County
- Assessed By
- the Millard County assessor
How to Appeal Property Taxes in Delta
Check your assessment
Enter your Delta address for a free 60-second check. We compare your assessed value against comparable sales and neighborhood data.
Get your evidence packet
If over-assessed, pay $45 for a complete appeal packet with comparable sales, equity analysis, and pre-filled forms for Millard County.
File your appeal
Submit your appeal to Millard County. Our filing guide walks you through every step.
About the Delta Property Market
Delta is a city located in Millard County, Utah. Every property inside the Delta city limits is assessed by the Millard County assessor, which applies Utah property tax rules uniformly across the county.
Because Delta property values are set at the county level, the same assessment rules apply to homes throughout the city. Homeowners who believe their Delta home is over-assessed have the right to file a appeal directly with Millard County.
Utah allows the assessor to defend or adjust the assessed value during a appeal, so Delta homeowners should build a strong evidence-based case before filing — which is exactly what ProtestMax generates for $45.
Delta Property Market Context
Delta homeowners navigate the same Utah assessment system as every other community in the state, but local market dynamics mean over-assessments here have their own character.
Utah market character
Utah has a 45% residential exemption (primary residences are taxed on 55% of market value), and the state has been among the fastest-appreciating in the country. Salt Lake, Utah, and Washington counties have all produced aggressive reappraisal cycles.
How Utah handles appeals
Utah homeowners appeal to the county Board of Equalization, then the Utah State Tax Commission. The state is protest-friendly and evidence-driven.
When to file in Delta
BOE appeals must be filed by September 15 (or 45 days after notice mailing, whichever is later). Notices mail in late July.
Common Delta Property Types
Delta homeowners typically file protests across these property categories:
Single-family homes
The most common residential type and the dominant protest category.
Condominiums
Common in denser parts of the city and near employment centers.
Townhouses
Attached-home neighborhoods in newer subdivisions.
Small multi-family
Duplexes and 2-4 unit buildings assessed as income property.
Commercial
Retail, office, and small commercial along major corridors.
ProtestMax supports all of the above property types in Delta. Each appealpacket is tailored to the property's classification and uses comparable sales from Delta and surrounding Millard County neighborhoods.