03240 Property Tax Rate
Grafton, New Hampshire · Part of Grafton County
Effective Tax Rate
1.93%
17.1% below state avgMedian Annual Tax
$4,943
$412/mo escrow
Estimate Your Tax
Annual Tax
$4,943
Monthly
$412
Eff. Rate
1.93%
Buyer decision brief
What ZIP 03240 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
$412/mo
Based on median annual tax paid
State context
0.19 percentage points above the New Hampshire average
New Hampshire average: 1.74%
Data confidence
High confidenceThe Census margin of error is $538, about 11% of the median tax estimate.
Verify before you offer
- Confirm parcel assessed value with Grafton 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.
Data confidence ledger
Can you trust ZIP 03240 for comparison?
ACS vintage
2019-2023 ACS 5-Year Estimates
Five-year Census ZCTA estimates.
ZCTA caveat
Census area, not parcel boundary
USPS ZIP routes and taxing districts can differ inside the same area.
Field completeness
3/3 required fields
Median tax, home value, and derived rate are present.
MOE status
Strong ACS confidence
$538 tax MOE, 11% of the median tax estimate.
Last site refresh
March 10, 2026
Dataset and page-quality audit run locally before publication.
County fallback
County context only
Grafton County is used for assessor verification and broader context.
Tax bill anatomy
What can change your actual bill in ZIP 03240
Use the ZIP estimate to compare neighborhoods, then verify these parcel-level inputs before relying on a payment estimate.
Assessed value
The ZCTA median home value is $256,400, but your bill starts with the local assessed value for a specific parcel.
Effective rate
The displayed rate is 1.93%, derived from median tax paid divided by median home value.
Exemptions
Homestead, senior, veteran, disability, and local exemptions can reduce taxable value. Confirm eligibility before estimating escrow.
Reassessment
A purchase can change assessed value depending on New Hampshire and county rules. Ask how sale price affects the next assessment cycle.
Escrow impact
The median tax paid in this ZCTA equals about $412 per month before insurance, HOA dues, or special assessments.
Assessor verification
Grafton County assessor or tax collector records are the source of truth for parcel taxes, appeal windows, and exemptions.
How ZIP 03240 Compares
Median Annual Property Tax
ZIP 03240
1.93%
Effective rate
New Hampshire Avg
1.74%
Effective rate
National Avg
1.10%
Effective rate
State Ranking
Property Tax Rank in New Hampshire
Higher than 66% of ZIP codes in New Hampshire(66th percentile, 238 ZIPs compared)
Property Tax Analysis
Property Tax Insights for ZIP 03240
Property owners in ZIP code 03240 (Grafton, New Hampshire) pay a median of $4,943/year in property taxes on homes valued at $256,400. This translates to an effective tax rate of 1.93%, which is 11% above the New Hampshire state average of 1.74%.
The monthly property tax burden for a median-valued home in 03240 is approximately $412, which factors into escrow payments on mortgages. This ZIP code is located within Grafton County. This is $1,020 less than the New Hampshire average of $5,963/year.
Compared to similar ZIP codes in New Hampshire, 03240 has higher property taxes. ZIP codes with similar effective rates include 03598 (1.92%) and 03819 (1.94%).
In Grafton, property taxes represent approximately 6.8% of the median household income of $72,188, providing context for the relative tax burden on homeowners in this area.
If you're considering purchasing a home in 03240, keep in mind that property taxes are based on the assessed value assigned by the local assessor, which may differ from the purchase price. In some states, properties are reassessed at or near the sale price upon transfer of ownership. For the most current tax information for a specific property, consult Grafton County's tax assessor directly.
Frequently Asked Questions
What is the property tax rate in ZIP code 03240?
How much are property taxes in Grafton, NH (03240)?
How does ZIP 03240 compare to the New Hampshire average?
What is the median home value in ZIP 03240?
What county is ZIP code 03240 in?
Margin of Error
The median property tax estimate for this ZIP code has a margin of error of ±$538. ZCTA-level data has wider margins than county-level estimates due to smaller sample sizes.
County-Level Data
ZIP code 03240 is part of Grafton County, New Hampshire. View the full county profile for broader context and more data.
View Grafton County on TaxByCounty →Why compare these ZIPs?
Better comparison set for ZIP 03240
Each ZIP highlights a homebuyer tradeoff: lower rate, stronger value context, shared county rules, city boundary changes, or nearby missing data.
03241
Hebron, NH
1.11 percentage points lower than ZIP 03240.
Rate
0.82%
Tax
$3,299
Quality
84
03251
Lincoln, NH
1.02 percentage points lower than ZIP 03240.
Rate
0.91%
Tax
$2,844
Quality
84
03771
Monroe, NH
0.96 percentage points lower than ZIP 03240.
Rate
0.97%
Tax
$2,492
Quality
84
03586
Sugar Hill, NH
0.71 percentage points lower than ZIP 03240.
Rate
1.22%
Tax
$7,400
Quality
84
03580
Franconia, NH
0.70 percentage points lower than ZIP 03240.
Rate
1.23%
Tax
$5,783
Quality
79
03245
Holderness, NH
0.69 percentage points lower than ZIP 03240.
Rate
1.23%
Tax
$4,040
Quality
79
03293
Woodstock, NH
0.69 percentage points lower than ZIP 03240.
Rate
1.23%
Tax
$5,556
Quality
79
03750
Etna, NH
0.67 percentage points lower than ZIP 03240.
Rate
1.25%
Tax
$10,001
Quality
72
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.