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Property profile & analytics
FOR SALE
Office Units
500 Market St Portsmouth, NH 03801
Individually Owned
Property ID
US58-Q000232
For Sale
1 / 6
$450,000
500 Market St, Portsmouth, NH 03801
View Listing →
Property profile
Verified
Property type
Office Units
UPID
US58-Q000232
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
-
John E. Sargent, MS Counselor
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Burns, Bryant, Cox, Rockefeller & Durkin P.A. Law Firm
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Noble's Island Business Service Center Corporate Office
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Foundation For Seacoast Health Charitable Organization Social Service Agency
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Chamber Collaborative of Greater Portsmouth Business Service Center Advocacy Group
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
James Iacono
James Iacono
since 2026
7 recorded transactions
Zoning & alternative use
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
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 Units
Status
For Sale
UPID
US58-Q000232
Zoning & alternative use
Zoning · permitted uses
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Current owner
From public records · entity-resolved
James Iacono
Individual
Ownership since
2026
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
11 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Jan 12, 2026
$270,000
James Iacono
Altman & Wagner Re LLC
Warranty Deed
$260,000 · Tarco Properties LLC
Jan 30, 2025
$392,000
Champernowne Rlty II LLC
Noble 1e LLC
Warranty Deed
$313,600 · Kennebunk Savings Bank
Jun 25, 2024
—
Phf Realty Co LLC
—
Deed
related
$600,000 · Bankprov
May 1, 2024
—
James G Noucas JR Ret
James G Noucas
Quitclaim Deed
related
—
Apr 10, 2024
—
James G Noucas
James G Noucas
Quitclaim Deed
related
—
Mar 29, 2022
$330,000
Ew 500 Market LLC
Bigelow Realty LLC
Warranty Deed
$264,000 · Kennebunk Savings Bank
Mar 29, 2022
—
Ew 500 Market LLC
—
Deed
related
$356,000 · Kennebunk Savings Bank
Jan 24, 2022
—
Noble 1e LLC
—
Deed
related
$101,633 · Kennebunk Savings Bank
Aug 31, 2021
—
Greater Portsmouth Chambe
—
Deed
related
$175,000 · Cambridge Trust Co
Apr 13, 2021
$1,037,533
Noble Properties LLC
Pmc RT
Warranty Deed
$631,700 · Peoples United Bank
Apr 13, 2021
—
Noble Properties LLC
—
Deed
related
$631,700 · Peoples United Bank
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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