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Property profile & analytics
FOR LEASE
Office buildings
550 Mamaroneck Ave Harrison, NY 10528
Entity Owned
1-yr Hold
~
Est. High Equity
Property ID
US63-5536417
For Lease
Contact for pricing
550 Mamaroneck Ave, Harrison, NY 10528
View Listing →
Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING
Year built
1971
Total area
5,613 SF
Lot
8.3 ac (361,548 SF)
APN
552801 0482.-72
UPID
US63-5536417
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
-
First American Title Insurance Company Title Company Escrow Service
-
New York Title Research Corporation Research Institute
-
PMA Insurance Group Insurance Agency
-
Rattet Pasternak Gordon Olive Law Firm
-
Fuchs & Eichen Law Firm
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
Harrison 550 Mp Rk6 LLC · 1 yrs held
Harrison 550 Mp Rk6 LLC
since 2025
Last sale
$15.5M
7 recorded transactions
Zoning & alternative use
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 Harrison submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Harrison 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 2020Property tax & assessments
Tax year 2020
Assessed value
$227,050
Assessed 2023
Previous assessed
$227,050
+0.0% YoY
Assessed land
$83,000
Assessed improvement
$144,050
Land market value
$7,094,017
Improvement market value
$12,311,966
Total market value
$19,405,983
Applied tax rate
552,801.0000
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 buildings
Use group
OFFICE BUILDING
Status
For Lease
Year built
1971
Heating
STEAM
Stories
2
Bathrooms
5
Total area
5,613 SF
Lot
8.3 ac (361,548 SF)
APN
552801 0482.-72
UPID
US63-5536417
Jurisdiction
WESTCHESTER
Metro division
NEW YORK-WHITE PLAINS-WAYNE, NY-NJ METROPOLITAN DIVISION
Zoning & alternative use
Zoning · permitted uses
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Building & site characteristics
From public records
Year built
1971
Heating
STEAM
Stories
2
Bathrooms
5
Lot
8.3 ac
Current owner
From public records · entity-resolved
Harrison 550 Mp Rk6 LLC
Entity
Mailing address
PO BOX 92129, SOUTHLAKE, TX 76092-0102
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
9 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Jan 15, 2025
$15,450,000
Harrison 550 Mp Rk6 LLC
Saxon Woods Mob LLC
Bargain & Sale Deed
$6,596,849 · Capital One Bank NA
Jan 15, 2025
—
Saxon Woods Mob LLC
—
Deed
related
—
Sep 16, 2019
—
Saxon Woods Mob LLC
—
Loan Modification
related
$38,150,000 · Capital One NA
Sep 12, 2019
—
Saxon Woods Mob LLC
550 Mamaroneck Ave Assocs Ll
Trustees Deed
related
$5,000,000 · Capital One Nat'l Assn
Aug 23, 2019
—
Maxx Saxon LLC
—
Loan Modification
related
$2,000,000 · Manufacturers & Traders Tr
Aug 19, 2019
—
Maxx Saxon LLC
550 Mamaroneck Ave Assocs LLC
Warranty Deed
—
Feb 22, 2016
—
550 Mamaroneck Ave Assocs LLC
—
Loan Modification
related
$27,000,000 · Manufacturers & Traders Tr
Dec 3, 2012
—
Richard M Harmonay LLC
Harmonay,richard M
Quit Claim Deed
related
—
May 2, 2006
$12,039,705
550 Mamaroneck Avenue Associates Ll
Saxon Partners I LLC
Bargain And Sale 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.
Try Rey
Ask anything about this address in plain English.
“Is 15.6% cap rate sustainable?” · “Best tenant mix for BU1?” · “What’s the redev upside?”
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