170 Dennett St
-7.9%vs the Portsmouth ZIP median sale $/ft² ($537)
Sales Performance
0 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.
Ownership & Financing
Values are TopHap estimates, not appraisals. Sales, ownership and tax figures come from recorded county documents via ATTOM and can lag by several weeks.
Climate Risk
Scores 0–100; higher = greater projected risk.
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 170 Dennett St
How many units are in 170 Dennett St, Portsmouth, NH?
170 Dennett St, Portsmouth, NH has 2 residential units across built in 1989, according to county assessor records.
What is a unit at 170 Dennett St, Portsmouth, NH worth?
The median TopHap Estimate across the 2 units at 170 Dennett St, Portsmouth, NH is $899,611. That works out to $494 per square foot. Units run from 1,585 to 2,047 square feet. Estimates are modelled from recorded sales and assessments, not appraisals.
Is 170 Dennett St, Portsmouth, NH expensive for Portsmouth?
Units at 170 Dennett St, Portsmouth, NH carry a median of $494 per square foot, 8% below the Portsmouth median of $537 per square foot.
More homes on Dennett St
- 523 Dennett St$701K3 bd · 1 ba · 1,092 ft² · Sold $386K · Mar 2026
- 259 Dennett St$869K3 bd · 3 ba · 1,851 ft² · Sold $855K · Sep 2025
- 130 Dennett St$978K3 bd · 2.5 ba · 1,688 ft² · Sold $1M · Sep 2025
- 310 Dennett St0.11 ac · Sold $840K · Aug 2025
- 247 Dennett St$822K2 bd · 1.5 ba · 1,288 ft² · Sold $385K · Nov 2024
- 508 Dennett St$854K3 bd · 2 ba · 1,925 ft² · Sold $825K · Nov 2024
- 198 Dennett St$726K2 bd · 2 ba · 1,325 ft² · Sold $1.1M · Dec 2023
- 281 Dennett St$915K3 bd · 2 ba · 1,848 ft² · Sold $825K · Nov 2023
- 233 Dennett St$938K3 bd · 3 ba · 1,520 ft² · Sold $871K · Sep 2023
- 98 Dennett St$691K2 bd · 2 ba · 1,164 ft² · Sold $688K · Sep 2022
- 28 Dennett St$1.6M3 bd · 2.5 ba · 2,240 ft² · Sold $1.2M · Nov 2021
- 268 Dennett St$622K3 bd · 1 ba · 1,008 ft² · Sold $440K · Oct 2020
Closest homes
- 170 Dennett St$1M0 ft · 3 bd · 2.5 ba · 2,047 ft² · Sold Jan 1900
- 152 Dennett St$741K81 ft · 2 bd · 1.5 ba · 828 ft² · Sold $325K · Jan 2014
- 152 Dennett St$911K81 ft · 3 bd · 3.5 ba · 1,511 ft² · Sold Jan 1900
- 152 Dennett St$655K81 ft · 2 bd · 1.5 ba · 828 ft² · Sold $413K · Jan 2018
- 188 Dennett St$815K91 ft · 3 bd · 1 ba · 1,398 ft² · Sold $140K · Oct 1996
- 202 Dennett St$962K136 ft · 2 bd · 1.5 ba · 1,200 ft² · Sold $400K · May 2009
- 198 Dennett St$726K143 ft · 2 bd · 2 ba · 1,325 ft² · Sold $1.1M · Dec 2023
- 198 Dennett St$608K143 ft · 1 bd · 1 ba · 825 ft² · Sold $346K · Sep 2013
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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