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Property profile & analytics
OFF-MARKET
Estimated value
$1,425,000
Apartment buildings
21-05 21st St Long Island City, NY 11105
Entity Owned
24-yr Hold
Absentee Owner
Free & Clear
Property ID
US63-0778409
Property profile
Verified
Property type
Apartment buildings
Use group
APARTMENT HOUSE (5+ UNITS)
Year built
1931
Total area
6,648 SF
Lot
0.06 ac (2,700 SF)
Zoning code
R5B
APN
00880-0039
UPID
US63-0778409
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
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
by Request
Comparable Approach
Comparable
by Request
Blend (final)
Blend
$1.43M
Owner & transaction history
LLC
LLC
Zoning & alternative use
R5B · Long Island City, NY
Permitted uses
Permitted uses
Allowed · conditional · prohibited
Top alternative use upside
Industrial (general)
$2.2M
+16.0%
Warehouse, storage
$2.1M
+7.4%
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 Long Island City submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Long Island City 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
by Request
ML approach
by Request
CAP Approach
CAP Return
Estimation
6%
by Request
6.5%
by Request
7%
by Request
Alternative Use
Use
Estimation
APARTMENT HOUSE (5+ UNITS)
$1,910,000
Current use
INDUSTRIAL (GENERAL)
$2,215,000
Change: +16% · Conversion: Difficult
WAREHOUSE, STORAGE
$2,050,000
Change: +7% · Conversion: Difficult
Blend value · Realmo final
$1.43M
Range $1.28M – $1.57M · ±10%
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
$214 / 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 2024Property tax & assessments
Tax year 2024
Tax billed
$32,602
Tax year 2024
Assessed value
$731,250
Assessed 2024
Previous assessed
$241,515
+202.8% YoY
Effective rate
4.46%
On assessed value
Assessed land
$12,600
Assessed improvement
$718,650
Land market value
$28,000
Improvement market value
$1,597,000
Total market value
$1,625,000
Applied tax rate
2.0000
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
Apartment buildings
Use group
APARTMENT HOUSE (5+ UNITS)
Status
Off-Market
Year built
1931
Heating
NONE
Buildings
1
Stories
3
Units
10
Total area
6,648 SF
Lot
0.06 ac (2,700 SF)
Zoning code
R5B
APN
00880-0039
UPID
US63-0778409
Jurisdiction
QUEENS
Metro division
NEW YORK-WHITE PLAINS-WAYNE, NY-NJ METROPOLITAN DIVISION
Zoning & alternative use
R5B · Long Island City, NY
Zoning R5B · permitted uses
R5B · Long Island City, NY
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Long Island City. Always verify with local authorities before improvements.
Alternative use value scenarios
Repositioning upside vs current use
APARTMENT HOUSE (5+ UNITS) Current
Est. value
$1.9M
INDUSTRIAL (GENERAL)
Est. value
$2.2M
WAREHOUSE, STORAGE
Est. value
$2.1M
APARTMENT HOUSE (5+ UNITS) Current
INDUSTRIAL (GENERAL)
WAREHOUSE, STORAGE
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
1931
Heating
NONE
Stories
3
Buildings
1
Units
10
Lot
0.06 ac
Current owner
From public records · entity-resolved
LLC
Entity
Free & Clear · 0 yrs held
Mailing address
1923 DITMARS BLVD APT 3A, LONG ISLAND CITY, NY 11105-3640
Mailing matches property
Different — outreach signal
Owner-occupied
No
Ownership since
—
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
No recorded transactions
No recorded transactions found for this property.
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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