03854 Property Tax Rate
New Castle, New Hampshire · Part of Rockingham County
Effective Tax Rate
0.53%
43.3% above state avgMedian Annual Tax
$8,545
$712/mo escrow
Estimate Your Tax
Annual Tax
$8,546
Monthly
$712
Eff. Rate
0.53%
Buyer decision brief
What ZIP 03854 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
$712/mo
Based on median annual tax paid
State context
1.21 percentage points below the New Hampshire average
New Hampshire average: 1.74%
Data confidence
High confidenceThe Census margin of error is $831, about 10% of the median tax estimate.
Verify before you offer
- Confirm parcel assessed value with Rockingham 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
Similar in-state ZIPs in this comparison set do not show a lower effective rate. Use the state table to widen the search.
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 03854 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
$831 tax MOE, 10% 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
Rockingham County is used for assessor verification and broader context.
Tax bill anatomy
What can change your actual bill in ZIP 03854
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 $1,612,700, but your bill starts with the local assessed value for a specific parcel.
Effective rate
The displayed rate is 0.53%, 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 $712 per month before insurance, HOA dues, or special assessments.
Assessor verification
Rockingham County assessor or tax collector records are the source of truth for parcel taxes, appeal windows, and exemptions.
How ZIP 03854 Compares
Median Annual Property Tax
ZIP 03854
0.53%
Effective rate
New Hampshire Avg
1.74%
Effective rate
National Avg
1.10%
Effective rate
State Ranking
Property Tax Rank in New Hampshire
Lower than 100% of ZIP codes in New Hampshire(0th percentile, 238 ZIPs compared)
Property Tax Analysis
Property Tax Insights for ZIP 03854
Property owners in ZIP code 03854 (New Castle, New Hampshire) pay a median of $8,545/year in property taxes on homes valued at $1,612,700. This translates to an effective tax rate of 0.53%, which is 70% below the New Hampshire state average of 1.74%.
The monthly property tax burden for a median-valued home in 03854 is approximately $712, which factors into escrow payments on mortgages. This ZIP code is located within Rockingham County. This is $2,582 more than the New Hampshire average of $5,963/year.
Compared to similar ZIP codes in New Hampshire, 03854 has lower property taxes. ZIP codes with similar effective rates include 03254 (0.58%) and 03812 (0.64%).
In New Castle, property taxes represent approximately 4.4% of the median household income of $193,558, providing context for the relative tax burden on homeowners in this area.
If you're considering purchasing a home in 03854, 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 Rockingham County's tax assessor directly.
Frequently Asked Questions
What is the property tax rate in ZIP code 03854?
How much are property taxes in New Castle, NH (03854)?
How does ZIP 03854 compare to the New Hampshire average?
What is the median home value in ZIP 03854?
What county is ZIP code 03854 in?
Margin of Error
The median property tax estimate for this ZIP code has a margin of error of ±$831. ZCTA-level data has wider margins than county-level estimates due to smaller sample sizes.
County-Level Data
ZIP code 03854 is part of Rockingham County, New Hampshire. View the full county profile for broader context and more data.
View Rockingham County on TaxByCounty →Why compare these ZIPs?
Better comparison set for ZIP 03854
Each ZIP highlights a homebuyer tradeoff: lower rate, stronger value context, shared county rules, city boundary changes, or nearby missing data.
03254
Moultonborough, NH
Within 0.05 percentage points of ZIP 03854.
Rate
0.58%
Tax
$3,005
Quality
77
03812
Bartlett, NH
Within 0.11 percentage points of ZIP 03854.
Rate
0.64%
Tax
$2,216
Quality
74
03871
Rye Beach, NH
Both ZIPs use Rockingham County for assessor context.
Rate
0.66%
Tax
$10,001
Quality
67
03816
Center Tuftonboro, NH
Within 0.16 percentage points of ZIP 03854.
Rate
0.69%
Tax
$2,750
Quality
82
03850
Melvin Village, NH
Within 0.16 percentage points of ZIP 03854.
Rate
0.69%
Tax
$2,929
Quality
67
03853
Mirror Lake, NH
Within 0.19 percentage points of ZIP 03854.
Rate
0.72%
Tax
$3,741
Quality
77
03838
Glen, NH
Within 0.20 percentage points of ZIP 03854.
Rate
0.73%
Tax
$2,912
Quality
71
03870
Rye, NH
Both ZIPs use Rockingham County for assessor context.
Rate
0.76%
Tax
$7,028
Quality
82
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.