New search
Property profile & analytics
OFF-MARKET
Estimated value
$600,000
Office Spaces
21 King Charles Dr B1 Portsmouth, RI 02871-1447
Entity Owned
2-yr Hold
~
Est. High Equity
Property ID
US76-0124908
Property profile
Verified
Property type
Office Spaces
Use group
CONDOMINIUM OFFICES
Year built
1988
Construction
FRAME
Total area
1,351 SF
Zoning code
LI
APN
PORT M:037 B:0048 U:B1
UPID
US76-0124908
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
-
Aquidneck Dental Dental Office
-
Jon A. Ruel, DMD Dental Office Physician
-
Contact Erica Ortell, LICSW | Therapist, Psychotherapist Contact Form | Portsmouth, RI 02871 Psychotherapist
-
Erica Ortell, LICSW Psychotherapist Counselor
-
Safe Harbor Financial Advisors, Llc Financial Advisor
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
$600k
CAP Approach
CAP
by Request
Comparable Approach
Comparable
by Request
Blend (final)
Blend
$600k
Owner & transaction history
Portsmouth Realty LLC · 2 yrs held
Portsmouth Realty LLC
since 2024
Last sale
$600,000
3 recorded transactions
Zoning & alternative use
LI · Portsmouth, RI
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
Method
Estimation
Statistic approach
$600,000
ML approach
$600,000
CAP Approach
CAP Return
Estimation
6%
by Request
6.5%
by Request
7%
by Request
Blend value · Realmo final
$600k
Range $540k – $660k · ±10% · vs last sale $600k (May 1 2024)
Last sale anchor
$600k
May 1 2024
Realmo estimate · informational only.
These numbers are calculated by our models from public records and may not reflect actual market value.
Not an appraisal.
Verify with a licensed appraiser before transacting. Realmo accepts no liability for divergence from real-world outcomes.
View the full estimation — every method, every assumption
Confidence drivers & risk notes · Custom comparable set · Free for first 3 / day
Full estimation methodology
Every method · every assumption · confidence drivers
Price per SF
Sale + rent benchmarks
Subject property
$444 / SF
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 2024Property tax & assessments
Tax year 2024
Tax billed
$2,761
Tax year 2024
Assessed value
$209,500
Assessed 2024
Previous assessed
$209,500
+0.0% YoY
Effective rate
1.32%
On assessed value
Assessed improvement
$209,500
Comparables
6 recent transactions · within 1.5 miComparable in this city
6 recent transactions
Comparable in this City
Similar Nearby for Sale
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
1988
Construction
FRAME
Heating
FORCED AIR
Cooling
YES
Buildings
1
Stories
1
Bathrooms
1
Total area
1,351 SF
Zoning code
LI
APN
PORT M:037 B:0048 U:B1
UPID
US76-0124908
Jurisdiction
PORTSMOUTH
Zoning & alternative use
LI · Portsmouth, RI
Zoning LI · permitted uses
LI · Portsmouth, RI
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
1988
Construction
FRAME
Heating
FORCED AIR
Cooling
Yes
Stories
1
Buildings
1
Bathrooms
1
Current owner
From public records · entity-resolved
Portsmouth Realty LLC
Entity
Mailing address
21 KING CHARLES DRB1, PORTSMOUTH, RI 02871-1447
Mailing matches property
Yes
Owner-occupied
Yes
Ownership since
2024
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
3 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
May 1, 2024
$600,000
Portsmouth Realty LLC
L & A Lawrence III Ret
Deed
$450,000 · Louann Lawrence
Jul 6, 2023
—
L & A Lawrence III Ret
Antone Lawrence
Quit Claim Deed
related
—
—
—
Louann Lawrence
—
Deed Of Trust
related
$68,000 · Peoples Cu
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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