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Property profile & analytics
OFF-MARKET
Estimated value
$3,820,000
Investment properties
859 Saint Marks Ave Brooklyn, NY 11213-1539
Entity Owned
5-yr Hold
~
Est. High Equity
Property ID
US63-2229517
Property profile
Verified
Property type
Investment properties
Use group
OFFICE/RESIDENTIAL (MIXED USE)
Year built
1905
Total area
5,243 SF
Lot
0.07 ac (3,012 SF)
Zoning code
R6
APN
01222-0069
UPID
US63-2229517
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
$3.73M
CAP Approach
CAP
$2.93M
Comparable Approach
Comparable
$2.73M
Blend (final)
Blend
$3.82M
Owner & transaction history
Xbff LLC · 5 yrs held
Xbff LLC
since 2021
Last sale
$3.5M
7 recorded transactions
Zoning & alternative use
R6 · Brooklyn, NY
Permitted uses
Permitted uses
Allowed · conditional · prohibited
Top alternative use upside
Auto repair, garage
$4.2M
+102.2%
Retail stores
$4.0M
+96.0%
Industrial (general)
$3.0M
+44.4%
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 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
Method
Estimation
Statistic approach
$3,820,000
ML approach
$3,730,000
CAP Approach
CAP Return
Estimation
6%
$3,170,000
6.5%
$2,930,000
7%
$2,720,000
Alternative Use
Use
Estimation
COMMERCIAL (GENERAL)
$2,060,000
Current use
AUTO REPAIR, GARAGE
$4,165,000
Change: +102% · Conversion: Difficult
RETAIL STORES
$4,035,000
Change: +96% · Conversion: Easy
INDUSTRIAL (GENERAL)
$2,975,000
Change: +44% · Conversion: Moderate
OFFICE BUILDING
$2,885,000
Change: +40% · Conversion: Easy
WAREHOUSE, STORAGE
$2,630,000
Change: +28% · Conversion: Difficult
Blend value · Realmo final
$3.82M
Range $3.44M – $4.20M · ±10% · vs last sale $3.45M (Aug 5 2021)
Last sale anchor
$3.45M
Aug 5 2021
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
$729 / 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
$14,316
Tax year 2024
Assessed value
$445,950
Assessed 2024
Previous assessed
$413,550
+7.8% YoY
Effective rate
3.21%
On assessed value
Assessed land
$116,550
Assessed improvement
$329,400
Land market value
$259,000
Improvement market value
$732,000
Total market value
$991,000
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
Investment properties
Use group
OFFICE/RESIDENTIAL (MIXED USE)
Status
Off-Market
Year built
1905
Heating
NONE
Buildings
1
Stories
4
Units
4
Total area
5,243 SF
Lot
0.07 ac (3,012 SF)
Zoning code
R6
APN
01222-0069
UPID
US63-2229517
Jurisdiction
KINGS(BROOKLYN)
Metro division
NEW YORK-WHITE PLAINS-WAYNE, NY-NJ METROPOLITAN DIVISION
Zoning & alternative use
R6 · Brooklyn, NYZoning R6 · permitted uses
R6 · Brooklyn, NY
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Alternative use value scenarios
Repositioning upside vs current use
COMMERCIAL (GENERAL) Current
Est. value
$2.1M
AUTO REPAIR, GARAGE
Est. value
$4.2M
RETAIL STORES
Est. value
$4.0M
INDUSTRIAL (GENERAL)
Est. value
$3.0M
OFFICE BUILDING
Est. value
$2.9M
WAREHOUSE, STORAGE
Est. value
$2.6M
COMMERCIAL (GENERAL) Current
AUTO REPAIR, GARAGE
RETAIL STORES
INDUSTRIAL (GENERAL)
OFFICE BUILDING
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
1905
Heating
NONE
Stories
4
Buildings
1
Units
4
Lot
0.07 ac
Current owner
From public records · entity-resolved
Xbff LLC
Entity
Mailing address
859 SAINT MARKS AVE, BROOKLYN, NY 11213-1539
Mailing matches property
Yes
Owner-occupied
Yes
Ownership since
2021
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
9 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Aug 5, 2021
$3,450,000
Xbff LLC
Levi I Boymelgreen
Deed
$2,200,000 · First Republic Bank, A State Bank
Jul 25, 2019
—
Levi Boymelgreen
—
Deed
related
$125,000 · Z Strong Management LLC
Aug 17, 2018
—
Levi I Boymelgreen
—
Deed
related
$488,848 · Td Bank, N A
Aug 26, 2016
—
Levi I Boymelgreen
—
Deed
related
$165,000 · Z Strong Management LLC
Jan 13, 2012
$865,000
Levi I Boymelgreen
Mulvaney,june
Grant Deed
$549,000 · Hudson City Savings Bank
Sep 30, 2011
—
Charles R Sherwood JR.
Sherwood,clarice M
Quit Claim Deed
related
—
—
—
Levi Boymelgreen
—
Deed Of Trust
related
$125,000 · Z Strong Management LLC
—
—
Levi I Boymelgreen
—
Deed Of Trust
related
$165,000 · Z Strong Management LLC
—
—
Levi I Boymelgreen
—
Loan Modification
related
$980,000 · Td Bk NA
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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