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Property profile & analytics
OFF-MARKET
Office Spaces
829 57th St Ste 6 Brooklyn, NY 11220-3677
Entity Owned
17-yr Hold
~
Est. High Equity
Property ID
US63-5836055
Property profile
Verified
Property type
Office Spaces
Use group
OFFICE (GENERAL)
Total area
1,105 SF
Zoning code
R6
APN
05686-1107
UPID
US63-5836055
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
-
Medwell Womens Medical Services Medical Clinic
-
Kelly Chin Md Physician
-
Dr. Shiwei W. Tong, MD Pediatrician Medical Clinic
-
Neurology Center Pediatrician
-
Dr. Yongming M. Mao, MD Pediatrician
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
Poon Lee LLC · 17 yrs held
Poon Lee LLC
since 2008
2 recorded transactions
Zoning & alternative use
R6 · Brooklyn, 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 Brooklyn submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Brooklyn 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 2024Property tax & assessments
Tax year 2024
Tax billed
$10,141
Tax year 2024
Assessed value
$103,478
Assessed 2024
Previous assessed
$98,888
+4.6% YoY
Effective rate
9.80%
On assessed value
Assessed land
$6,750
Assessed improvement
$96,728
Land market value
$15,000
Improvement market value
$214,950
Total market value
$229,950
Applied tax rate
4.0000
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 Spaces
Use group
OFFICE (GENERAL)
Status
Off-Market
Heating
NONE
Buildings
1
Stories
6
Units
1
Total area
1,105 SF
Zoning code
R6
APN
05686-1107
UPID
US63-5836055
Jurisdiction
KINGS(BROOKLYN)
Metro division
NEW YORK-WHITE PLAINS-WAYNE, NY-NJ METROPOLITAN DIVISION
Zoning & alternative use
R6 · Brooklyn, NY
Zoning R6 · permitted uses
R6 · Brooklyn, NY
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Brooklyn. Always verify with local authorities before improvements.
Building & site characteristics
From public records
Heating
NONE
Stories
6
Buildings
1
Units
1
Current owner
From public records · entity-resolved
Poon Lee LLC
Entity
Mailing address
829 57TH ST STE #6, BROOKLYN, NY 11220-3677
Mailing matches property
Yes
Owner-occupied
Yes
Ownership since
2008
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
Aug 12, 2008
$533,000
Poon Lee LLC
Long Xing Realty LLC
Grant Deed
$373,000 · United Commercial Bank
—
—
Poon Lee LLC
—
Deed Of Trust
related
$350,000 · J P Morgan Chase Bank
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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