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Property profile & analytics
OFF-MARKET
Estimated value
$22,080,000
Office buildings
320 Carleton Ave, Central Islip, NY 11722-4506
Individually Owned
~
Est. High Equity
Property ID
US63-2628102
Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING
Lot
11.05 ac (481,338 SF)
Zoning code
PDDOFF
APN
0500-207.00-01.00-003.042
UPID
US63-2628102
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
-
Law Office of Anthony D'Ambrosio Courthouse
-
Margaret Trainor Law Firm Child Welfare Organization
-
Law Offices of Harold A. Shapiro, P.C. Law Firm
-
James D'Angelo Esq. Law Firm
-
Silverberg P.C. Law Firm
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
by Request
Comparable Approach
Comparable
by Request
Blend (final)
Blend
$22.08M
Owner & transaction history
Segundo S Sanchezsanchez
Segundo S Sanchezsanchez
since 2026
Last sale
$21.5M
7 recorded transactions
Zoning & alternative use
PDDOFF · Central Islip, NY
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 Central Islip submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Central Islip 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
$23,235,000
ML approach
by Request
CAP Approach
CAP Return
Estimation
6%
by Request
6.5%
by Request
7%
by Request
Blend value · Realmo final
$22.08M
Range $19.87M – $24.29M · ±10% · vs last sale $21.50M (Apr 27 2023)
Last sale anchor
$21.50M
Apr 27 2023
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
—
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 2020Property tax & assessments
Tax year 2020
Assessed value
$2,081,000
Assessed 2023
Previous assessed
$2,081,000
+0.0% YoY
Assessed land
$387,700
Assessed improvement
$1,693,300
Land market value
$5,325,549
Improvement market value
$23,259,615
Total market value
$28,585,164
Applied tax rate
472,813.0000
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 buildings
Use group
OFFICE BUILDING
Status
Off-Market
Heating
NONE
Lot
11.05 ac (481,338 SF)
Zoning code
PDDOFF
APN
0500-207.00-01.00-003.042
UPID
US63-2628102
Jurisdiction
SUFFOLK
Metro division
NASSAU-SUFFOLK, NY METROPOLITAN DIVISION
Zoning & alternative use
PDDOFF · Central Islip, NY
Zoning PDDOFF · permitted uses
PDDOFF · Central Islip, NY
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Central Islip. Always verify with local authorities before improvements.
Building & site characteristics
From public records
Heating
NONE
Lot
11.05 ac
Current owner
From public records · entity-resolved
Segundo S Sanchezsanchez
Individual
Mailing address
301 CENTRAL AVEA, LAWRENCE, NY 11559-1605
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
8 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Mar 25, 2026
$460,000
Segundo S Sanchezsanchez
Lydel Holding Corp
Deed
—
Sep 18, 2023
—
Ronald Rant
—
Deed
related
$2,040 · Alfred T Dieumegard
Apr 27, 2023
$21,500,000
Central Islip Courtho LLC
Courthouse Corpor LLC
Deed
$14,200,000 · Islip Town Of
Apr 27, 2023
—
Courthouse Corpor LLC
Town Islip Industrial Dev
Quit Claim Deed
related
—
Apr 27, 2021
—
Islip Industrial Dev Agnc
—
Deed
related
$241,345 · Island FCU
Dec 13, 2018
—
Courthouse Corp Ctr LLC
—
Loan Modification, Consolidation And Extension
related
$9,700,000 · Nefcu Coml Lndg LLC
—
—
Courthouse Corp Ctr LLC
—
Deed Of Trust
related
$933,302 · Nefcu Coml Lndg LLC
—
—
Courthouse Corporate Center
—
Deed Of Trust
related
$10,000,000 · New York Community 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.
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