9 Prospect St
-4.5%vs the Portsmouth ZIP median sale $/ft² ($537)
Sales Performance
6 arms-length sales on record for this building.
Unit Mix & Floor PlansThe building's recurring floor plans, found by grouping units with identical beds, baths and square footage in county records. Larger groups are the building's standard layouts; leftover units have one-off sizes.
Value DistributionHow the building's units spread across value ranges by our current estimates. A wide spread usually means big differences in size, floor or view.
Ownership & Financing
Recent SalesThe latest recorded arms-length sales in the building, newest first.
Values are TopHap estimates, not appraisals. Sales, ownership and tax figures come from recorded county documents via ATTOM and can lag by several weeks.
Property Facts
Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.
District: Portsmouth School District
Neighborhood · ZIP 03801These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.
Index scale: 100 = US average (tick). Lower is better.
All UnitsEvery property record the county has at this street address, such as the units in a condo building. Prices shown are our estimates, not asking prices.
Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.
About 9 Prospect St
How many units are in 9 Prospect St, Portsmouth, NH?
9 Prospect St, Portsmouth, NH has 6 residential units across built in 1890, according to county assessor records.
What is a unit at 9 Prospect St, Portsmouth, NH worth?
The median TopHap Estimate across the 6 units at 9 Prospect St, Portsmouth, NH is $402,328. That works out to $513 per square foot. Units run from 691 to 969 square feet. Estimates are modelled from recorded sales and assessments, not appraisals.
Is 9 Prospect St, Portsmouth, NH expensive for Portsmouth?
Units at 9 Prospect St, Portsmouth, NH carry a median of $513 per square foot, 5% below the Portsmouth median of $537 per square foot.
How often do units sell at 9 Prospect St, Portsmouth, NH?
1 units at 9 Prospect St, Portsmouth, NH sold in the last 12 months, out of 6 recorded arms-length sales all time. That is a turnover rate of 16.7% of the building per year. The median sale over that period was $375K.
Closest homes
- 9 Prospect St$307K0 ft · 1 bd · 1 ba · 696 ft² · Sold $315K · Jul 2025
- 9 Prospect St$500K0 ft · 3 bd · 1 ba · 969 ft² · Sold $320K · Jun 2021
- 9 Prospect St$370K0 ft · 2 bd · 1 ba · 875 ft² · Sold $375K · Jan 2026
- 9 Prospect St$482K0 ft · 1 bd · 1 ba · 695 ft² · Sold $213K · Nov 2016
- 9 Prospect St$419K0 ft · 2 bd · 1 ba · 691 ft² · Sold $315K · Apr 2022
- 21 Prospect St65 ft · 5 bd · 2.5 ba · 2,679 ft² · Sold Jan 1900
- 36 N School St$876K137 ft · 3 bd · 2 ba · 1,468 ft² · Sold $760K · Dec 2022
- 10 Prospect St$2.5M114 ft · 4 bd · 5.5 ba · 3,570 ft² · Sold $28K · Nov 1986
More homes in Portsmouth 03801
- 85 Gates St$775K2 bd · 2.5 ba · 1,386 ft² · Sold $735K · Jul 2026
- 547 Colonial Dr$509K3 bd · 1 ba · 972 ft² · Sold $560K · Jul 2026
- 5 Ruth St$1.4M3 bd · 2.5 ba · 1,624 ft² · Sold $1.4M · Jul 2026
- 65 Pinehurst Rd$1.8M3 bd · 3 ba · 1,989 ft² · Sold $649K · Jul 2026
- 22 Cottage St$985K3 bd · 4 ba · 1,871 ft² · Sold $1M · Jul 2026
- 388 Newington Rd$893K3 bd · 2.5 ba · 2,828 ft² · Sold $1.6M · Jul 2026
- 777 Middle Rd$420K2 bd · 1.5 ba · 990 ft² · Sold $410K · Jul 2026
- 226 Union St$1.5M3 bd · 2.5 ba · 2,547 ft² · Sold $433K · Jul 2026
- 189 Concord Way$460K2 bd · 1 ba · 684 ft² · Sold $460K · Jul 2026
- Melbourne St2 bd · 1 ba · 928 ft² · Sold $784K · Jul 2026
- 70 Martine Cottage Rd$5.4M5 bd · 4.5 ba · 4,770 ft² · Sold $3M · Jun 2026
- 2075 Lafayette Rd$682K2 bd · 2 ba · 1,512 ft² · Sold $635K · Jun 2026
Assigned schools
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