83428 Property Tax Rate
Irwin, Idaho · Part of Bonneville County
Effective Tax Rate
0.26%
12.4% below state avgMedian Annual Tax
$1,409
$117/mo escrow
Estimate Your Tax
Annual Tax
$1,409
Monthly
$117
Eff. Rate
0.26%
How ZIP 83428 Compares
Median Annual Property Tax
ZIP 83428
0.26%
Effective rate
Idaho Avg
0.50%
Effective rate
National Avg
1.10%
Effective rate
State Ranking
Property Tax Rank in Idaho
Lower than 96% of ZIP codes in Idaho(4th percentile, 240 ZIPs compared)
Property Tax Analysis
Property Tax Insights for ZIP 83428
Property owners in ZIP code 83428 (Irwin, Idaho) pay a median of $1,409/year in property taxes on homes valued at $540,400. This translates to an effective tax rate of 0.26%, which is 48% below the Idaho state average of 0.50%.
The monthly property tax burden for a median-valued home in 83428 is approximately $117, which factors into escrow payments on mortgages. This ZIP code is located within Bonneville County.
Compared to similar ZIP codes in Idaho, 83428 has lower property taxes. ZIP codes with similar effective rates include 83463 (0.27%) and 83549 (0.27%).
In Irwin, property taxes represent approximately 2.1% of the median household income of $67,188, providing context for the relative tax burden on homeowners in this area.
Idaho reassesses property at market value upon sale, with no cap on the increase — be prepared for your assessed value to reset to the purchase price immediately. Bonneville County offers a Homeowners' Exemption reducing assessed value by up to $100,000 for owner-occupied primary residences; apply with the Bonneville County Assessor within 90 days of closing. Contact the Bonneville County Assessor's office promptly after purchase to file the exemption application and prevent a missed deadline.
Buyer decision brief
What ZIP 83428 means for your housing budget
Use this ZIP page to compare recurring tax burden before you compare listing prices. The numbers below are Census ZCTA estimates, so they are strongest for neighborhood comparison and weakest for parcel-specific tax planning.
Monthly escrow signal
$117/mo
Based on median annual tax paid
State context
0.24 percentage points below the Idaho average
Idaho average: 0.50%
Data confidence
Use cautionThe Census margin of error is $559, about 40% of the median tax estimate.
Verify before you offer
- Confirm parcel assessed value with Bonneville County assessor.
- Check homestead, senior, veteran, and disability exemptions.
- Ask whether purchase triggers reassessment or value-cap reset.
- Review school district and special assessment boundaries.
Lower-rate similar ZIPs
This is informational content, not tax, legal, or mortgage advice. Local assessor records remain the source of truth for a specific property.
Frequently Asked Questions
What is the property tax rate in ZIP code 83428?
How much are property taxes in Irwin, ID (83428)?
How does ZIP 83428 compare to the Idaho average?
What is the median home value in ZIP 83428?
What county is ZIP code 83428 in?
Margin of Error
The median property tax estimate for this ZIP code has a margin of error of ±$559. ZCTA-level data has wider margins than county-level estimates due to smaller sample sizes.
County-Level Data
ZIP code 83428 is part of Bonneville County, Idaho. View the full county profile for broader context and more data.
View Bonneville County on TaxByCounty →Similar ZIP Codes in Idaho
83463
+0.01%Gibbonsville
0.27%
$703/yr
83549
+0.01%Riggins
0.27%
$924/yr
83812
+0.01%Clarkia
0.27%
$375/yr
83657
-0.01%Ola
0.25%
$1,191/yr
83810
-0.02%Cataldo
0.25%
$1,270/yr
83554
+0.02%White Bird
0.28%
$975/yr
83314
+0.02%Bliss
0.28%
$864/yr
83464
-0.03%Leadore
0.24%
$388/yr
83449
-0.03%Swan Valley
0.23%
$1,282/yr
83525
+0.03%Elk City
0.29%
$839/yr
Data from U.S. Census Bureau, American Community Survey 2019-2023 5-Year Estimates (ZCTA level). ZIP Code Tabulation Areas (ZCTAs) are Census approximations of USPS ZIP codes.
Estimates are informational only and should not be used as financial or legal advice.