508 Islington St
+11.2%vs the Portsmouth ZIP median sale $/ft² ($787)
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.
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 508 Islington St
How many units are in 508 Islington St, Portsmouth, NH?
508 Islington St, Portsmouth, NH has 2 residential units across built in 1900, according to county assessor records.
What is a unit at 508 Islington St, Portsmouth, NH worth?
The median TopHap Estimate across the 2 units at 508 Islington St, Portsmouth, NH is $661,684. That works out to $875 per square foot. Units run from 656 to 858 square feet. Estimates are modelled from recorded sales and assessments, not appraisals.
Is 508 Islington St, Portsmouth, NH expensive for Portsmouth?
Units at 508 Islington St, Portsmouth, NH carry a median of $875 per square foot, 11% above the Portsmouth median of $787 per square foot.
More homes on Islington St
- 51 Islington St # 201$1.2M2 bd · 2 ba · 1,414 ft² · Sold $1.1M · Oct 2026
- 1490 Islington St$553K3 bd · 2 ba · 1,884 ft² · Sold $550K · Jun 2026
- 1230 Islington St$1.3M4 bd · 3.5 ba · 2,299 ft² · Sold $1.3M · May 2026
- 490 Islington St # 3$798K2 bd · 2.5 ba · 1,035 ft² · Sold $395K · Apr 2026
- 314 Islington St # 3$425K1 bd · 1 ba · 624 ft² · Sold $378K · Mar 2026
- 490 Islington St # 1$461K2 bd · 1 ba · 747 ft² · Sold $465K · Feb 2026
- 51 Islington St # 406$1.4M2 bd · 2 ba · 1,547 ft² · Sold $1.4M · Dec 2025
- 414 Islington St$1.2M2 bd · 2.5 ba · 1,337 ft² · Sold $1.2M · Nov 2025
- 621 Islington St # C$573K2 bd · 1.5 ba · 944 ft² · Sold $582K · Sep 2025
- 198 Islington St # 1$756K2 bd · 2 ba · 1,160 ft² · Sold $770K · Jul 2025
- 426 Islington St$1.5M3 bd · 2.5 ba · 2,322 ft² · Sold $1.6M · Jul 2025
- 621 Islington St # A$639K2 bd · 1 ba · 1,000 ft² · Sold $652K · Jun 2025
Closest homes
- 508 Islington St$744K0 ft · 1 bd · 1 ba · 858 ft² · Sold $241K · Sep 2000
- 524 Islington St66 ft · 7 bd · 5 ba · 3,402 ft² · Sold $499K · Jan 2003
- 490 Islington St$798K71 ft · 2 bd · 2.5 ba · 1,035 ft² · Sold $395K · Apr 2026
- 490 Islington St$785K71 ft · 3 bd · 2.5 ba · 1,246 ft² · Sold $480K · Jan 2020
- 490 Islington St$729K71 ft · 3 bd · 2 ba · 1,151 ft² · Sold $492K · Apr 2022
- 490 Islington St$461K71 ft · 2 bd · 1 ba · 747 ft² · Sold $465K · Feb 2026
- 33 Columbia Ct145 ft · 3 bd · 2 ba · 1,643 ft² · Sold $157K · Jul 1998
- 29 Cass St$1.1M154 ft · 3 bd · 2 ba · 1,670 ft² · Sold $145K · Mar 1999
More homes in Portsmouth 03801
- 24 Porter St$2.8M3 bd · 2.5 ba · 2,682 ft² · Sold $2.8M · Oct 2026
- 12 Taft Rd$960K3 bd · 2.5 ba · 1,144 ft² · Sold $960K · Oct 2026
- 90 Fleet St$389K1 bd · 1 ba · 584 ft² · Sold $389K · Oct 2026
- 45 Willard Ave$1.4M2 bd · 1 ba · 1,504 ft² · Sold $1.4M · Oct 2026
- 6 Larry Ln$643K3 bd · 1.5 ba · 1,012 ft² · Sold $643K · Oct 2026
- 139 Clinton St$1.3M3 bd · 2 ba · 1,948 ft² · Sold $1.4M · Oct 2026
- 212 Holly Ln$590K2 bd · 1 ba · 902 ft² · Sold $590K · Sep 2026
- 70 Maplewood Ave$1.3M3 bd · 2.5 ba · 2,301 ft² · Sold $1.3M · Sep 2026
- 66 South St$849K2 bd · 1.5 ba · 1,092 ft² · Sold $850K · Sep 2026
- 3370 Lafayette Rd$400K2 bd · 1.5 ba · 1,080 ft² · Sold $405K · Sep 2026
- 1150 Woodbury Ave10 bd · 9 ba · 4,973 ft² · Sold $2.8M · Sep 2026
- 30 Cate St$1.1M3 bd · 2.5 ba · 2,069 ft² · Sold $1.2M · Sep 2026
Assigned schools
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