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Property profile & analytics
OFF-MARKET
Estimated value
$1,970,000
Manufacturing properties
101 Dupont St Plainview, NY 11803-1608
Entity Owned
~
Est. High Equity
Property ID
US63-6237254
Property profile
Verified
Property type
Manufacturing properties
Use group
HEAVY MANUFACTURING
Year built
1966
Construction
MASONRY/CONCRETE MASONRY UNITS (CMUS)
Total area
15,975 SF
Lot
1.27 ac (55,321 SF)
APN
13-117-00-0033
UPID
US63-6237254
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
-
Record Nations Storage Facility
-
Greater Long Island Running Gym & Fitness Center
-
CopiesAmerica.com (Bike/Boat/Book/etc) Store Printing Service
-
marcum workplace challenge Charitable Organization
-
Vincent Augello Handicapped Transportation Service
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
by Request
Comparable Approach
Comparable
by Request
Blend (final)
Blend
$1.97M
Owner & transaction history
101 121 Dupont Property Owner LLC
101 121 Dupont Property Owner LLC
since 2026
6 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 Plainview submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Plainview 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
$123 / 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 2023Property tax & assessments
Tax year 2023
Tax billed
$103,582
Tax year 2023
Assessed value
$14,806
Assessed 2023
Previous assessed
$14,806
+0.0% YoY
Effective rate
699.59%
On assessed value
Assessed land
$7,434
Assessed improvement
$7,372
Total market value
$1,480,600
Applied tax rate
579.0000
Comparables
6 recent transactions · within 1.5 miComparable in this city
6 recent transactions
Comparable in this City
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
Manufacturing properties
Use group
HEAVY MANUFACTURING
Status
Off-Market
Year built
1966
Construction
MASONRY/CONCRETE MASONRY UNITS (CMUS)
Heating
YES
Cooling
CENTRAL
Stories
2
Total area
15,975 SF
Lot
1.27 ac (55,321 SF)
APN
13-117-00-0033
UPID
US63-6237254
Jurisdiction
NASSAU
Metro division
NASSAU-SUFFOLK, NY METROPOLITAN DIVISION
Zoning & alternative use
Zoning · permitted uses
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Building & site characteristics
From public records
Year built
1966
Construction
MASONRY/CONCRETE MASONRY UNITS (CMUS)
Heating
YES
Cooling
Yes
Stories
2
Lot
1.27 ac
Current owner
From public records · entity-resolved
101 121 Dupont Property Owner LLC
Entity
Mailing address
677 BROADWAY #500, ALBANY, NY 12207-2998
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
6 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Mar 6, 2026
—
101 121 Dupoint Property Owner LLC
—
Deed
related
$8,775,000 · Oceanfirst Bank
Mar 4, 2026
$7,500,000
101 121 Dupont Property Owner LLC
101 Dupont LLC
Bargain & Sale Deed
$8,775,000 · Oceanfirst Bank
Oct 23, 2007
—
101 Dupont LLC
Rosmarin-plattner,lauri
Grant Deed
related
—
Oct 24, 2006
—
Kt-lrp LLC
Valenza Vincent
Grant Deed
related
—
May 14, 2004
$592,140
Lauri Rosmarin-plattner
Api Properties 289 LLC
Grant Deed
—
Jan 20, 2004
$296,070
Api Properties 289 LLC
Rosmarin,peter
Grant 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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