04421 Property Tax Rate
Castine, Maine · Part of Hancock County
Effective Tax Rate
0.77%
68.1% above state avgMedian Annual Tax
$4,293
$358/mo escrow
Estimate Your Tax
Annual Tax
$4,293
Monthly
$358
Eff. Rate
0.77%
How ZIP 04421 Compares
Median Annual Property Tax
ZIP 04421
0.77%
Effective rate
Maine Avg
1.04%
Effective rate
National Avg
1.10%
Effective rate
State Ranking
Property Tax Rank in Maine
Lower than 85% of ZIP codes in Maine(15th percentile, 399 ZIPs compared)
Property Tax Analysis
Property Tax Insights for ZIP 04421
Property owners in ZIP code 04421 (Castine, Maine) pay a median of $4,293/year in property taxes on homes valued at $557,700. This translates to an effective tax rate of 0.77%, which is 26% below the Maine state average of 1.04%.
The monthly property tax burden for a median-valued home in 04421 is approximately $358, which factors into escrow payments on mortgages. This ZIP code is located within Hancock County. This is $1,739 more than the Maine average of $2,554/year.
Compared to similar ZIP codes in Maine, 04421 has higher property taxes. ZIP codes with similar effective rates include 04544 (0.77%) and 04056 (0.77%).
In Castine, property taxes represent approximately 3.9% of the median household income of $111,500, providing context for the relative tax burden on homeowners in this area.
Maine has no statewide property tax cap — your assessment resets to market value at purchase, and the Hancock County Assessor will establish a new base for annual increases. The Maine Homestead Property Tax Exemption exempts $25,000 of assessed value from state and local property taxes; file with the Hancock County Assessor's office by April 1 of the year following purchase. Contact the Hancock County Assessor immediately after closing to confirm your filing deadline and obtain your Notice of Valuation.
Frequently Asked Questions
What is the property tax rate in ZIP code 04421?
How much are property taxes in Castine, ME (04421)?
How does ZIP 04421 compare to the Maine average?
What is the median home value in ZIP 04421?
What county is ZIP code 04421 in?
Margin of Error
The median property tax estimate for this ZIP code has a margin of error of ±$975. ZCTA-level data has wider margins than county-level estimates due to smaller sample sizes.
County-Level Data
ZIP code 04421 is part of Hancock County, Maine. View the full county profile for broader context and more data.
View Hancock County on TaxByCounty →Similar ZIP Codes in Maine
04544
-0.00%East Boothbay
0.77%
$3,586/yr
04056
+0.00%Newfield
0.77%
$2,432/yr
04671
-0.00%Robbinston
0.77%
$1,713/yr
04923
-0.00%Cambridge
0.77%
$1,553/yr
04076
+0.00%Shapleigh
0.77%
$2,504/yr
04476
-0.00%Penobscot
0.77%
$2,000/yr
04219
-0.00%Bryant Pond
0.77%
$1,445/yr
03902
+0.00%Cape Neddick
0.77%
$4,086/yr
04679
+0.01%Southwest Harbor
0.78%
$3,252/yr
04538
-0.01%Boothbay Harbor
0.76%
$2,800/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.