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Mortgage Calculator &
Closing Costs: Portsmouth, NH

Mortgage payment estimates, closing cost breakdowns, and homebuying data for Portsmouth, New Hampshire.

Median Home Price
$625K
Population
22K
Avg Monthly Rent
$2,150
Property Tax Rate
2.09%
Portsmouth vs New Hampshire Median
The median home price in Portsmouth is $625,000, which is 45% above the New Hampshire state median of $430,000.

Mortgage Calculator — Portsmouth, NH

Pre-filled with Portsmouth median home price and New Hampshire tax/insurance rates. Adjust for your property.

$
$125,000
%
%
years
NH avg
%
$
Monthly Payment (PITI)
$4,366
Principal + Interest + Tax + Insurance + PMI
Principal & Interest
$3,160
per month
Taxes & Insurance
$1,206
per month
Total Interest Paid
$638K
over 30 years
Total Loan Cost
$1.1M
all payments
Payment Breakdown
Loan Amount$500,000
Principal & Interest$3,160
Property Taxes$1,089
Homeowners Insurance$117
Total Monthly PITI$4,366

Closing Costs — Portsmouth, NH

Estimated closing costs based on New Hampshire rates and fees applied to Portsmouth prices.

$
%
New Hampshire: Avg closing costs 1.6% of price. Transfer tax: 1.5%.
Estimated Closing Costs
$28,542
4.6% of purchase price
Lender Fees
$4,925
origination, underwriting
Third-Party
$4,575
appraisal, title, inspection
Government Fees
$9,375
transfer taxes, recording
Prepaids + Escrow
$9,667
taxes, insurance, interest
Itemized Costs
Loan Origination (0.8%)$4,500
Underwriting Fee$350
Credit Report$75
Appraisal$550
Home Inspection$450
Title Search + Insurance$3,425
Recording Fee$150
Transfer Tax$9,375
Prepaid Taxes (3 mo)$3,266
Prepaid Insurance (12 mo)$1,400
Prepaid Interest (15 days)$1,503
Escrow Reserves$3,499
Total Closing Costs$28,542

Buying a Home in Portsmouth, New Hampshire

The median home price in Portsmouth is $625,000, 45% above the New Hampshire state median of $430,000. With a population of 22,158, Portsmouth is a smaller market where home prices reflect strong demand and local economic factors.

Property taxes in New Hampshire average 2.09% annually. This higher-than-average tax rate means a $625,000 home in Portsmouth would carry roughly $1,089/month in property taxes alone — plan accordingly. Homeowners insurance in New Hampshire runs approximately $1,400 per year. This is within the normal range nationally.

Average rent in Portsmouth is $2,150/month. With a price-to-rent ratio above 20, renting could be more economical in the short term — use our Rent vs Buy calculator to model your specific timeline.

Portsmouth is a higher-cost market. At $625K median, buyers need significant savings or strong income. Down payment assistance through New Hampshire's NHHFA Home Flex Plus program becomes especially important.

Run a Rent vs Buy analysis
Compare total costs of renting vs buying in Portsmouth.
Rent vs Buy Calculator →
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