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Property profile & analytics
OFF-MARKET
Office Spaces
871 Islington St B107 Portsmouth, NH 03801-4298
Entity Owned
6-yr Hold
Free & Clear
Property ID
US58-0611989
Property profile
Verified
Property type
Office Spaces
Use group
CONDOMINIUM OFFICES
Year built
1910
Construction
FRAME
Total area
705 SF
Zoning code
CD4-W
APN
PRSM M:0165 B:0004 L:B107
UPID
US58-0611989
Cap rate & NOI
Priority signal for investors
Implied cap rate, NOI & suggested price
Cap rate vs submarket · NOI estimate · 3 price anchors
Implied cap rate, NOI & suggested price
Cap vs submarket · NOI estimate · 3 price anchors
Current use
Occupant on record · Public records
-
Boldwerks Advertising Agency Marketing & Advertising
-
871 Islington Condominiums Condominium Complex
-
The Gateway Magazine Publishing House
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
by Request
Comparable Approach
Comparable
by Request
Blend (final)
Blend
by Request
Owner & transaction history
PHILIP A CLERMONT
PHILIP A CLERMONT
Zoning & alternative use
CD4-W · Portsmouth, NH
Permitted uses
Permitted uses
Allowed · conditional · prohibited
Cap rate
Implied · in-place · derived from last sale + estimated NOI
Implied Cap rate
#1
Implied · in-place · NOI ÷ last sale
In-place · derived from last sale + estimated NOI
Cap rate, NOI & submarket benchmark
Implied cap rate vs Portsmouth submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Portsmouth submarket · NOI estimate · typical band, median & reading
Refine your cap rate
8-question underwriting flow
1.
Property current status — Going-In vs Stabilized
2.
Price for denominator — asking / offer / market
3.
Leasing status & lease structure (NNN / Gross)
4.
Tenant risk profile & vacancy assumption
5.
Upload T12 / rent roll / OM (optional)
Refine in 60 seconds, get exact suggested price
T12 upload · Submarket benchmarks · Sensitivity grid
Suggested price · 3 cap rate anchors
Income approach @ 5% / 7% / 9% — aggressive / typical / conservative
Suggested price at 5% / 7% / 9% cap
Aggressive / typical / conservative · Implied $/SF per anchor · Sensitivity grid
Suggested price at 5% / 7% / 9% cap
Aggressive / typical / conservative · implied $/SF · sensitivity
Value
AI, CAP & Alternative Use estimations · Realmo proprietary blendValue Estimations
Based on Realmo’s proprietary methodology
AI Approach
CAP Approach
Comparable Approach
Alternative Use
Get a detailed, property-specific estimation — fast and free
Price per SF
Sale + rent benchmarks
Subject property
—
Submarket sale & rent benchmarks
Median sale $/SF · Asking & closed rent · Submarket vacancy
Submarket sale & rent benchmarks
Median sale $/SF · asking & closed rent · submarket vacancy
Property tax & assessments
Tax year 2023Property tax & assessments
Tax year 2023
Tax billed
$411
Tax year 2023
Assessed value
$25,500
Assessed 2023
Previous assessed
$25,500
+0.0% YoY
Effective rate
1.61%
On assessed value
Assessed improvement
$25,500
Comparables
6 recent transactions · within 1.5 miComparable in this city
6 recent transactions
Comparable in this City
Similar Nearby for Sale
Similar Nearby for Lease
Recent comparable sales
Sale price & price/SF · Sale date & distance · Adjustments & confidence
Recent comparable sales
Sale price & $/SF · sale date & distance · adjustments
Property description
Physical attributes from public recordsBuilding & lot
Public records
Property type
Office Spaces
Use group
CONDOMINIUM OFFICES
Status
Off-Market
Year built
1910
Construction
FRAME
Heating
NONE
Cooling
YES
Buildings
1
Stories
2
Total area
705 SF
Zoning code
CD4-W
APN
PRSM M:0165 B:0004 L:B107
UPID
US58-0611989
Jurisdiction
PORTSMOUTH CITY
Metro division
ROCKINGHAM COUNTY-STRAFFORD COUNTY, NH METROPOLITAN DIVISION
Zoning & alternative use
CD4-W · Portsmouth, NH
Zoning CD4-W · permitted uses
CD4-W · Portsmouth, NH
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Portsmouth. Always verify with local authorities before improvements.
Building & site characteristics
From public records
Year built
1910
Construction
FRAME
Heating
NONE
Cooling
Yes
Stories
2
Buildings
1
Current owner
From public records · entity-resolved
PHILIP A CLERMONT
Individual
Free & Clear · 0 yrs held
Mailing address
PO BOX 734, RYE BEACH, NH 03871-0734
Ownership since
—
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
No recorded transactions
No recorded transactions found for this property.
Coming soon
Costs & Benchmarks
Operating expenses, capex projections, utility benchmarks, and submarket comparables — all in one view.
Coming soon
Risks
Flood, climate, environmental, title, and tenant-concentration risk — surfaced with mitigations and source citations.
Try Rey
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“Is 15.6% cap rate sustainable?” · “Best tenant mix for BU1?” · “What’s the redev upside?”
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