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Property profile & analytics
OFF-MARKET
Estimated value
$5,220,000
Investment properties
690 Castleton Ave Staten Island, NY 10310-1822
Entity Owned
7-yr Hold
~
Est. High Equity
Property ID
US63-3021829
Property profile
Verified
Property type
Investment properties
Use group
OFFICE/RESIDENTIAL (MIXED USE)
Year built
1975
Total area
19,801 SF
Lot
0.24 ac (10,286 SF)
Zoning code
R3X
APN
00134-0053
UPID
US63-3021829
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
-
Black Star Academy & Preschool High School Daycare Center
-
St Joseph Medical Center (pros) Crisis Center Medical Clinic
-
Jason Ranalli Headshots Photography Service (Bike/Boat/Book/etc) Store
-
Dr. Alex Mikhelson, MD Physician
-
Black Domain Space Business Service Center
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
$6.03M
Comparable Approach
Comparable
$6.24M
Blend (final)
Blend
$5.22M
Owner & transaction history
Eom Brook Castleton LLC · 7 yrs held
Eom Brook Castleton LLC
since 2019
7 recorded transactions
Zoning & alternative use
R3X · Staten Island, NY
Permitted uses
Permitted uses
Allowed · conditional · prohibited
Top alternative use upside
Auto repair, garage
$7.0M
+55.7%
Retail stores
$6.6M
+47.4%
Office building
$5.9M
+32.7%
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 Staten Island submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Staten Island 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%
$6,535,000
6.5%
$6,030,000
7%
$5,600,000
Alternative Use
Use
Estimation
COMMERCIAL (GENERAL)
$4,465,000
Current use
AUTO REPAIR, GARAGE
$6,955,000
Change: +56% · Conversion: Difficult
RETAIL STORES
$6,585,000
Change: +47% · Conversion: Easy
OFFICE BUILDING
$5,925,000
Change: +33% · Conversion: Easy
APARTMENT HOUSE (5+ UNITS)
$4,235,000
Change: -5% · Conversion: Moderate
WAREHOUSE, STORAGE
$3,720,000
Change: -17% · Conversion: Difficult
Blend value · Realmo final
$5.22M
Range $4.70M – $5.74M · ±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
$264 / 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
$69,017
Tax year 2024
Assessed value
$836,190
Assessed 2024
Previous assessed
$819,450
+2.0% YoY
Effective rate
8.25%
On assessed value
Assessed land
$300,690
Assessed improvement
$535,500
Land market value
$771,000
Improvement market value
$677,000
Total market value
$1,448,000
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
1975
Heating
NONE
Buildings
1
Stories
4
Units
16
Total area
19,801 SF
Lot
0.24 ac (10,286 SF)
Zoning code
R3X
APN
00134-0053
UPID
US63-3021829
Jurisdiction
RICHMOND
Metro division
NEW YORK-WHITE PLAINS-WAYNE, NY-NJ METROPOLITAN DIVISION
Zoning & alternative use
R3X · Staten Island, NYZoning R3X · permitted uses
R3X · Staten Island, 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
$4.5M
AUTO REPAIR, GARAGE
Est. value
$7.0M
RETAIL STORES
Est. value
$6.6M
OFFICE BUILDING
Est. value
$5.9M
APARTMENT HOUSE (5+ UNITS)
Est. value
$4.2M
WAREHOUSE, STORAGE
Est. value
$3.7M
COMMERCIAL (GENERAL) Current
AUTO REPAIR, GARAGE
RETAIL STORES
OFFICE BUILDING
APARTMENT HOUSE (5+ UNITS)
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
1975
Heating
NONE
Stories
4
Buildings
1
Units
16
Lot
0.24 ac
Current owner
From public records · entity-resolved
Eom Brook Castleton LLC
Entity
Mailing address
3605 SEDGWICK AVE, BRONX, NY 10463-6039
Ownership since
2019
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
7 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Mar 30, 2020
—
Ecom Brook Castleton LLC
—
Deed
related
$516,000 · New York Community Bank
Jul 8, 2019
—
Eom Brook Castleton LLC
—
Deed
related
$1,799,675 · Brick Island Cap LLC
May 16, 2019
$3,600,000
Eom Brook Castleton LLC
Chappeland Holdings LLC
Grant Deed
$1,799,675 · Brick Island Capita LLC
May 16, 2019
—
Chappeland Holdings LLC
Cc Castleton Realty LLC
Grant Deed
—
Feb 21, 2008
—
Cc Castleton Realty LLC
Cc 690 Realty Corp
Grant Deed
—
Jul 25, 2007
—
Cc 690 Realty Corp
Saint Vincent Catholic Medical
Grant Deed
$850,000 · Seymour Levine
—
—
Eom Brook Castleton LLC
—
Loan Modification
related
$1,799,675 · Brick Island Cap LLC
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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