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Financial
Distress signals
Property profile

159 Middle St Portsmouth, NH 03801

FOR LEASE
Office buildings
Property ID
US58-0541374
4,363 SF 0.31 ac lot Built 1813
Last sale Aug 2018 · $1,187,533
Entity Owned Owner of record is a legal entity (LLC / corporation). 6-yr Hold Held for 6 years. Absentee Owner Owner mailing address differs from the property address. Free & Clear No active or open recorded mortgage detected.
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Property summary

AI-generated overview

This exceptional 5,000 square foot single-person professional office space is nestled in the heart of historic downtown Portsmouth, New Hampshire. Located on the third floor of a charming building on Middle Street, this unique office offers unparalleled convenience and accessibility. The space itself is a compact, single room office, perfect for a solo practitioner or small business. A significant advantage is the inclusion of all utilities in the monthly rent of $700. The office also boasts…

Ownership intelligence

Who controls the opportunity?

Owner of record from public deeds, plus portfolio, hold profile and investor signals where the data supports them. Included with a plan.

Owner contacts

Can we reach the decision maker?

Skip-traced phones and e-mails of the owner. Included with a plan.

Debts

What is owed, to whom, and when it comes due

Recorded lenders, amounts and estimated maturities of the owner's loan book — included with a plan.

Property tax · 2023

What does the county charge?
$17k
Tax billed · 2023
Assessed value$1.07M
Assessed land$347k
Assessed improvement$724k
Effective rate1.61%

Value estimate

· Oct 2026
$1.21M
$1.08M – $1.33M
CAP approach$1.23M
Submarket $/SF estimate$1.21M
NOI build-up
Gross scheduled income$132k
Vacancy & credit loss−$18k
Operating expenses−$29k
NOI · 12,350.07% cap applied$86k

Realmo valuation models over county records and 3 qualifying comparable sales.

Recently sold

What actually traded nearby?
$306/SF
ZIP average, outlier-cleaned · 63 recorded sales of this use type
Observed band · Q1–Q3$176 – $501
Qualifying comparables3

Cap rate analysis

How does the asset earn?
12,350.07%
$86k estimated NOI · market benchmarks for this use type

Price anchors at 6 / 6.5 / 7% — in the full report.

Zoning insight

What can be built here?
CD4-L1
CD4-L1, CD4-L2, CD4-W, CD4 This façade type is not permitted in the Downtown Overlay District. Article 5A Character-Based Zoning As Amend...
General categoryMIXED_USE
JurisdictionPORTSMOUTH CITY

Location intelligence

Which uses thrive at this corner?
Best fit: Laundry Service
Demand heat for this use is drawn on the map · LocInt grid
Demand index
Laundry Service9.6
Locksmith9.3
Food Market8.2

Location

159 Middle St Portsmouth, NH 03801
County assessor Recorded deeds · not on file 3 qualifying comp sales Zoning catalog

Every figure names its source: public record, benchmark, or modeled. Coverage varies by property — thin data is stated as missing, never invented.

Comparables

6 recorded sales · 16 properties nearby
Recent sales nearby
6 recorded sales in this ZIP, last 8 years
Address Sale price Sold Size
19 Nimble Hl, Newington, NH 03801-2727 $1,750,800 Mar 2025 14,730 SF
23 Riv, Newington, NH 03801-2832 $740,000 May 2023 3,887 SF
118 Pleasant, Portsmouth, NH 03801-4507 $1,629,000 Aug 2021 3,186 SF
2204 Woodbury, Newington, NH 03801-2817 $600,000 Jan 2021 2,280 SF
381 Middle, Portsmouth, NH 03801-5009 $1,200,000 Oct 2020 3,164 SF
93 Pleasant, Portsmouth, NH 03801-4504 $2,000,000 Sep 2020 7,591 SF
Sale prices and dates as our records hold them, one row per building. A deed can cover more of a building than the size shown, so read the price against the size rather than dividing one by the other.
Comparable nearby
6 properties of the same type nearby
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Ask anything about this address in plain English.
“Is 15.6% cap rate sustainable?” · “Best tenant mix for BU1?” · “What’s the redev upside?”
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