Back to Search
Property profile & analytics
OFF-MARKET
Estimated value
$8,380,000
Office buildings
450 Mamaroneck Ave Harrison, NY 10528-2400
Entity Owned
6-yr Hold
~
Est. High Equity
Property ID
US63-0339330
Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING
Year built
1954
Total area
3,202 SF
Lot
18.28 ac (796,277 SF)
APN
552801 0482.-23
UPID
US63-0339330
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
-
Balance 3H Plus® Gym & Fitness Center Alternative Medicine Practice
-
Jacqui Justice Physician
-
Sounds Good Westchester Vocational School Training Center
-
Smile Starters Pediatric Dentistry Dental Office
-
Cristina Georgescu - Smile Starter Pediatric Dentistry Dental Office
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
$9.58M
CAP Approach
CAP
by Request
Comparable Approach
Comparable
by Request
Blend (final)
Blend
$8.38M
Owner & transaction history
450 Mamaroneck Owner LLC · 6 yrs held
450 Mamaroneck Owner LLC
since 2020
Last sale
$7.2M
3 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
Method
Estimation
Statistic approach
$9,610,000
ML approach
$9,575,000
CAP Approach
CAP Return
Estimation
6%
by Request
6.5%
by Request
7%
by Request
Blend value · Realmo final
$8.38M
Range $7.54M – $9.22M · ±10% · vs last sale $7.17M (Jan 22 2020)
Last sale anchor
$7.17M
Jan 22 2020
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
$2,617 / 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 2020Property tax & assessments
Tax year 2020
Assessed value
$170,400
Assessed 2023
Previous assessed
$170,400
+0.0% YoY
Assessed land
$55,400
Assessed improvement
$115,000
Land market value
$4,735,043
Improvement market value
$9,829,060
Total market value
$14,564,103
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
Off-Market
Year built
1954
Heating
STEAM
Stories
2
Bathrooms
3
Total area
3,202 SF
Lot
18.28 ac (796,277 SF)
APN
552801 0482.-23
UPID
US63-0339330
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
1954
Heating
STEAM
Stories
2
Bathrooms
3
Lot
18.28 ac
Current owner
From public records · entity-resolved
450 Mamaroneck Owner LLC
Entity
Mailing address
800 WESTCHESTER AVE, RYE BROOK, NY 10573-1354
Ownership since
2020
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
3 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Jan 22, 2020
—
450 Mamaroneck Owner LLC
450 Mamoroneck Avenue LLC
Quit Claim Deed
$7,673,625 · Miscellaneous Ins Co
Aug 6, 2014
—
450 Mamaroneck Avenue LLC
—
Deed Of Trust
related
$15,500,000 · Union Labor Life Insurance Co
May 12, 2011
$7,165,428
450 Mamaroneck Avenue LLC
Property Reserve INC
Trustees Deed
$13,000,000 · Miscellaneous Ins Co
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?”
You own 450 Mamaroneck Ave?
List it free. Reach 20,000 daily buyers.
We’ve already pulled the facts. Confirm photos + price and you’re live in 2 minutes.
List this address →
Full reports are paid
Unlock the full Property Analytics report
Start free for 7 days — no card required. Full owner contacts, all 4 valuations with methodology, refine flow, comparable adjustments, foot-traffic deep dive, export to PDF / CSV.
