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225 Underhill Blvd, Syosset, NY 11791
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Property summary
AI-generated overview
This exceptional Syosset, NY property at 225 Underhill Boulevard offers 103,092 square feet of versatile industrial space, ideal for manufacturing, flex, warehouse, or distribution operations. The property sits on a substantial 4 acres (272,403 square feet) of land and is zoned Light Industry (LI). Multiple tenants are currently occupying the building, with 6,000 square feet currently vacant and available for lease. Units as small as 5,000 square feet are divisible, offering flexibility for businesses of various sizes. The building boasts impressive features including a 21-foot ceiling height, providing ample vertical space for storage or operations. Efficient loading and unloading is ensured with 13 loading docks and 13 dock-high doors, complemented by 4 drive-in doors. This prime location in Syosset, NY (zip code 11791) offers excellent access to major transportation routes, making it an attractive option for businesses needing convenient logistics. The property's size and features make it a highly sought-after location for businesses seeking a functional and efficient workspace. Contact us today to learn more about leasing opportunities.
Property profile
Verified
Property type
Manufacturing properties
Use group
MANUFACTURING (LIGHT)
Year built
1963
Construction
MASONRY/CONCRETE MASONRY UNITS (CMUS)
Total area
5,501 SF
Lot
5.59 ac (243,500 SF)
APN
15-169-00-0002-C
UPID
US63-3369602
Cap rate & NOI
Priority signal for investors
Implied cap rate, NOI & suggested price
Cap rate vs submarket · NOI estimate · 3 price anchors
Current use
Occupant on record · Public records
-
Trucking Company
-
Marketing & Advertising IT Consulting Firm
-
Gym & Fitness Center (Bike/Boat/Book/etc) Store
Location
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
$1.21M
Comparable Approach
Comparable
$995k
Blend (final)
Blend
$905k
Owner & transaction history
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
Value estimation
Instant AI valuation built from comps, income signals, and proprietary benchmarks. A defensible range, not a single guess.
Unlock the complete Valuation workflow
Full NOI reconstruction, selected comps, alternative-use scenarios, data audit and PDF export.
All 4 comparables with addresses
Sensitivity value band
Source audit · 6 inputs
PDF export
Professional Plan · 30 reports
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Summary
1
Valuation conclusion
Included free
Estimated market value
$905k
Value range
$815k – $996k
±10% around blend
Estimated value / SF
$165 / SF
Confidence
Low
4 county-verified comps
Property data
88
Market benchmarks
33
Comparable evidence
40
$815k
blend $905k
$996k
Market-derived valuation under stabilized market assumptions. Desktop analysis. No physical inspection performed.
2
Subject property
Included free
GBA
5,501 SF
Lot area
5.59 ac
Year built
1963
Stories
1
APN
15-169-00-0002-C
Assessed value
$55,012
Annual tax
$305,854
3
Income approach: direct capitalization
Partial preview
Income approach indication
$1.21M
Direct capitalization · @ 6.5% CAP return
@ 6% CAP return
$1.31M
@ 6.5% CAP return
$1.21M
@ 7% CAP return
$1.13M
4
Sales comparison
Partial preview
Sales approach indication
$1.71M
Weighted, 4 comps · low confidence
Evidence
4 found · 4 selected
County-verified recorded sales
Comparable
Sale dateSale price$ / SF
18.3 mi away · 6,100 SF
20.2 mi away · 5,000 SF
20.4 mi away · 4,094 SF
5
Sensitivity & risk
Partial preview
Downside
−10%
Base
$905k
Upside
+10%
Bounds of the ±10% band vs the blend — never simulated scenarios.
6
Current market position
Included free
Benchmark
Observed band ($/SF)AverageSubject delta
County 159 sales
$603
-73%
Band = middle half (Q1–Q3) of recorded sale $/SF for this use type per geography; the diamond marks the subject at $165/SF. Delta below average reads as headroom. Source: Realmo CRE sales derivatives (county records).
7
Data & methodology
Included free
Building area
County record
Property tax
County record
Assessed value
County record
Zoning designation
Not available
Operating expenses
Modeled
Market rent
Not available
Not analyzed due to unavailable source data: actual rent roll, tenant leases, physical condition and capital
requirements are outside a desktop analysis.
Cost Approach excluded: income and sales evidence cover the value conclusion.
Automated valuation analysis, not a licensed appraisal. Figures are derived from public
records and proprietary models. Desktop analysis: no physical inspection, tenant leases or reported
property income. Verify with a licensed appraiser before transacting.
Cap rate
Cap rate calculated from real income and expense signals, benchmarked against sales of similar assets nearby.
Unlock the complete Cap Rate workflow
Full market tables, editable assumptions, comparable evidence, saved work and exports.
9-scenario matrix
Comparable evidence · 4 sales
Market rates by use type
PDF export
Professional Plan · 30 reports
from $99/month
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Overview
No cap rate is computable for this property yet: no recorded sale, income signal or market-rate row for its use type.
Price sensitivity
The rate is the decision lever; valuation is the consequence.
Test a cap rate
Implied value$55k
Move the market yield to see immediate price impact.
Value / SF
$10
Vs. selected
Base
Derivation
NOI ÷ cap
Arithmetic over the derived NOI * — not market scenario modeling.
NOI × cap matrix
Preview
Preview of 9 modeled outcomes.
NOI
5.00%7.00%9.00%
$3k
$69k
$50k
$39k
$4k
$77k
$55k
$43k
$4k
$85k
$61k
$47k
NOI sensitivity ±10% across the 5 / 7 / 9% anchors — derivation of the NOI above.
Comparable evidence
Partial preview
Recorded sales nearby
4 found
Low confidence · county-verified
Closest comparable
$1.55M
15.3 mi · Nov 2025 · $266/SF
Property tax & assessments
Tax year 2023Property tax & assessments
Tax year 2023
Tax billed
$305,854
Tax year 2023
Assessed value
$55,012
Assessed 2023
Previous assessed
$54,055
+1.8% YoY
Effective rate
555.98%
On assessed value
Assessed land
$38,356
Assessed improvement
$16,656
Total market value
$5,501,200
Applied tax rate
587.0000
Automated cap rate analysis. Based on public records, market benchmarks and proprietary
models. Verify with a licensed professional before transacting.
Property description
Physical attributes from public recordsBuilding & lot
Public records
Property type
Manufacturing properties
Use group
MANUFACTURING (LIGHT)
Status
For Lease
Year built
1963
Construction
MASONRY/CONCRETE MASONRY UNITS (CMUS)
Heating
FORCED AIR
Cooling
CENTRAL
Stories
1
Total area
5,501 SF
Lot
5.59 ac (243,500 SF)
APN
15-169-00-0002-C
UPID
US63-3369602
Jurisdiction
NASSAU
Metro division
NASSAU-SUFFOLK, NY METROPOLITAN DIVISION
Zoning & alternative use
Zoning · permitted uses
No zoning code is on file for this parcel. Zoning coverage grows with every catalog release.
Building & site characteristics
From public records
Year built
1963
Construction
MASONRY/CONCRETE MASONRY UNITS (CMUS)
Heating
FORCED AIR
Cooling
Yes
Stories
1
Lot
5.59 ac
Zoning
The recorded zoning designation, what the district officially allows, and the municipal source it comes from.
No zoning code is on file for this parcel. Zoning coverage grows with every catalog release — check back, or open Location Intelligence for use analysis of this corner.
Ownership Intelligence
Find the owner behind the property.
Unlock the evidence behind ownership: portfolio, transactions, debt and signals that help you decide who to contact next.
What opens after registration
Ownership report
Owner identityResolved entity and name variants
Portfolio holdingsLinked properties and estimated value
Deal signalsSell-side activity worth following
Debt & historyRecorded loans and transaction history
Private report access
See the ownership record for this address.
Registration is required before any owner information is shown.
One complete report on every paid plan · 30 · 300 reports per month.
Owner of record and activity signals are derived from public records and modeled classifications.
They do not confirm beneficial ownership or intent to transact.
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“Is 15.6% cap rate sustainable?” · “Best tenant mix for BU1?” · “What’s the redev upside?”
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