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Property profile & analytics
OFF-MARKET
Estimated value
$1,170,000
Showrooms
1850 Deer Park Ave, Deer Park, NY 11729-4318
Entity Owned
1-yr Hold
Absentee Owner
Free & Clear
Property ID
US63-5487853
Property profile
Verified
Property type
Showrooms
Use group
SHOW ROOM, WAREHOUSE
Year built
1949
Total area
4,059 SF
Lot
0.23 ac (10,000 SF)
Zoning code
E
APN
0100-064.00-01.00-060.000
UPID
US63-5487853
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
-
H&R Block Tax Preparation
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
$1.21M
CAP Approach
CAP
$1.11M
Comparable Approach
Comparable
$916k
Blend (final)
Blend
$1.17M
Owner & transaction history
1850 Deer Park LLC · 1 yrs held
1850 Deer Park LLC
since 2025
Last sale
$1.2M
3 recorded transactions
Zoning & alternative use
E · Deer Park, NY
Permitted uses
Permitted uses
Allowed · conditional · prohibited
Top alternative use upside
Office building
$1.9M
+58.5%
Auto repair, garage
$1.5M
+22.3%
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 Deer Park submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Deer Park 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
$1,195,000
ML approach
$1,205,000
CAP Approach
CAP Return
Estimation
6%
$1,205,000
6.5%
$1,110,000
7%
$1,030,000
Alternative Use
Use
Estimation
COMMERCIAL (GENERAL)
$1,220,000
Current use
OFFICE BUILDING
$1,935,000
Change: +58% · Conversion: Easy
AUTO REPAIR, GARAGE
$1,490,000
Change: +22% · Conversion: Difficult
Blend value · Realmo final
$1.17M
Range $1.05M – $1.29M · ±10% · vs last sale $1.17M (Apr 16 2025)
Last sale anchor
$1.17M
Apr 16 2025
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
$288 / 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 2020Property tax & assessments
Tax year 2020
Assessed value
$5,640
Assessed 2023
Previous assessed
$5,640
+0.0% YoY
Assessed land
$1,500
Assessed improvement
$4,140
Land market value
$2,273
Improvement market value
$6,273
Total market value
$8,546
Applied tax rate
472,007.0000
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
Showrooms
Use group
SHOW ROOM, WAREHOUSE
Status
Off-Market
Year built
1949
Heating
NONE
Total area
4,059 SF
Lot
0.23 ac (10,000 SF)
Zoning code
E
APN
0100-064.00-01.00-060.000
UPID
US63-5487853
Jurisdiction
SUFFOLK
Metro division
NASSAU-SUFFOLK, NY METROPOLITAN DIVISION
Zoning & alternative use
E · Deer Park, NY
Zoning E · permitted uses
E · Deer Park, NY
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Deer Park. Always verify with local authorities before improvements.
Alternative use value scenarios
Repositioning upside vs current use
COMMERCIAL (GENERAL) Current
Est. value
$1.2M
OFFICE BUILDING
Est. value
$1.9M
AUTO REPAIR, GARAGE
Est. value
$1.5M
COMMERCIAL (GENERAL) Current
OFFICE BUILDING
AUTO REPAIR, GARAGE
Alternative use deep dive — conversion cost, permits, timeline
Conversion cost estimate · Permit path & risks · Stabilized NOI per option
Alternative use deep dive
Conversion cost · permit path · stabilized NOI per option
Building & site characteristics
From public records
Year built
1949
Heating
NONE
Lot
0.23 ac
Current owner
From public records · entity-resolved
1850 Deer Park LLC
Entity
Free & Clear · 1 yrs held
Mailing address
1975 HEMPSTEAD TPKE STE #309, EAST MEADOW, NY 11554-1703
Mailing matches property
Different — outreach signal
Owner-occupied
No
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
3 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Apr 16, 2025
$1,168,000
1850 Deer Park LLC
Aidrech Management LLC
Deed
—
Dec 20, 2007
—
Adrich Management Co LLC
Rodger J A Trust
Grant Deed
related
—
Jan 31, 2006
$815,000
Rodger J Trust
Deer Park Realty INC
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.
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