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Property profile & analytics
OFF-MARKET
Office buildings
100 Ctr Dr, Riverhead, NY 11901-3307
Individually Owned
Free & Clear
Property ID
US63-3358397
Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING
Year built
1963
Total area
223,108 SF
Lot
82.7 ac (3,602,412 SF)
Zoning code
CR200
APN
0900-137.00-01.00-027.000
UPID
US63-3358397
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
-
Suffolk County Health Services Department Public Health Department
-
Suffolk County DWI Facility County Government Office
-
Suffolk County Mental Health Clinics Medical Clinic
-
Suffolk County Sheriff's Office Riverhead Correctional Facility Sheriff'S Department Prison
-
Kim Scarpati Physician
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
Michael J Siscaretti
Michael J Siscaretti
since 2025
Last sale
$92,924
2 recorded transactions
Zoning & alternative use
CR200 · Riverhead, 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 Riverhead submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Riverhead 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 2020Property tax & assessments
Tax year 2020
Assessed value
$216,330,100
Assessed 2023
Previous assessed
$216,330,100
+0.0% YoY
Assessed land
$33,070,100
Assessed improvement
$183,260,000
Land market value
$47,582,878
Improvement market value
$263,683,453
Total market value
$311,266,331
Applied tax rate
473,002.0000
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
Year built
1963
Heating
NONE
Cooling
CENTRAL
Buildings
2
Total area
223,108 SF
Lot
82.7 ac (3,602,412 SF)
Zoning code
CR200
APN
0900-137.00-01.00-027.000
UPID
US63-3358397
Jurisdiction
SUFFOLK
Metro division
NASSAU-SUFFOLK, NY METROPOLITAN DIVISION
Zoning & alternative use
CR200 · Riverhead, NY
Zoning CR200 · permitted uses
CR200 · Riverhead, NY
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Riverhead. Always verify with local authorities before improvements.
Building & site characteristics
From public records
Year built
1963
Heating
NONE
Cooling
Yes
Buildings
2
Lot
82.7 ac
Current owner
From public records · entity-resolved
Michael J Siscaretti
Individual
Free & Clear · 0 yrs held
Mailing address
330 CTR DR, RIVERHEAD, NY 11901-3395
Mailing matches property
Yes
Owner-occupied
Yes
Ownership since
2025
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
2 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Dec 2, 2025
$92,924
Michael J Siscaretti
County Of Suffolk
Deed
—
Dec 2, 2025
$68,156
Atlantic Ocean Hldg LLC
County Of Suffolk
Deed
—
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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