Free Portsmouth, New Hampshire seller net sheet calculator
Closing costs, transfer taxes and who pays what when selling a home in Portsmouth, New Hampshire (Rockingham County). The calculator applies the local rates for you.
- Median home value
- $640,600
- Transfer tax on $640,000
- $9,600
- Seller costs on $640,000
- About $37,135
- Median property tax bill
- $7,876 a year
- County
- Rockingham County
- Population
- 22,938
Portsmouth transfer tax
On a $640,000 sale in Portsmouth, transfer taxes come to $9,600: Real estate transfer tax (buyer and seller each pay 0.75%). By custom the seller pays $4,800 of that and the buyer $4,800.
| Tax | Rate | Paid by | On $640,000 |
|---|---|---|---|
| Real estate transfer tax (buyer and seller each pay 0.75%) | $1.50 per $100 total ($0.75 each) | Split 50/50 | $9,600 |
| Sale price | Seller pays | Buyer pays | Total |
|---|---|---|---|
| $250,000 | $1,875 | $1,875 | $3,750 |
| $500,000 | $3,750 | $3,750 | $7,500 |
| $640,000 local median value | $4,800 | $4,800 | $9,600 |
| $1,000,000 | $7,500 | $7,500 | $15,000 |
Example Portsmouth seller net sheet
A $640,000 sale, close to Portsmouth's median home value of $640,600, with a 5% commission and a $385,000 mortgage payoff. Seller costs come to about $37,135, or 5.8% of the price.
| Line | Seller |
|---|---|
| Sale price | $640,000 |
| First mortgage payoff | −$385,000 |
| Real estate commission (5%) | −$32,000 |
| Real estate transfer tax (buyer and seller each pay 0.75%) | −$4,800 |
| Settlement / closing fee | −$250 |
| Release / satisfaction recording | −$40 |
| Wire / courier / payoff processing | −$45 |
| Estimated net before property tax prorations | $217,865 |
Who pays what in Portsmouth
Portsmouth closings follow Rockingham County customs. In Rockingham County, the buyer customarily pays the owner's title policy. The settlement fee is paid by each side for its own closing. Closings are usually handled by a title company or attorney.
Property taxes in Portsmouth
The median property tax bill for homeowners in Portsmouth is $7,876 a year, about 1.23% of the median home value of $640,600 (Census Bureau American Community Survey, 2019-2023). Taxes here are paid in arrears, so at closing the bill is prorated between buyer and seller to the closing date. Tax year Apr 1-Mar 31, semiannual bills due Jul 1 and Dec 1; seller credits buyer for days owned not yet billed.
Rates verified 2026-09-29. Home value and tax bill: Census Bureau American Community Survey, 2019–2023. A net sheet is an estimate; final figures come from the title company.
Portsmouth seller questions
How much is the transfer tax in Portsmouth, New Hampshire?
On a $640,000 sale in Portsmouth, transfer taxes come to $9,600: Real estate transfer tax (buyer and seller each pay 0.75%). By custom the seller pays $4,800 of that and the buyer $4,800.
How much are seller closing costs in Portsmouth?
On a $640,000 sale, close to the median home value in Portsmouth, with a 5% commission, estimated seller costs are about $37,135 (5.8% of the price). Without commission they are about $5,135. The loan payoff and property tax proration change the final number.
What county is Portsmouth in, and does it matter at closing?
Portsmouth is in Rockingham County, New Hampshire. County and state rules set the transfer taxes and recording fees, and local custom decides who pays for title and closing. In Rockingham County, the buyer customarily pays the owner's title policy. The settlement fee is paid by each side for its own closing.
How much are property taxes in Portsmouth?
The median property tax bill for homeowners in Portsmouth is $7,876 a year, about 1.23% of the median home value of $640,600 (Census Bureau American Community Survey, 2019-2023). Taxes here are paid in arrears, so at closing the bill is prorated between buyer and seller to the closing date. Tax year Apr 1-Mar 31, semiannual bills due Jul 1 and Dec 1; seller credits buyer for days owned not yet billed.
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