Back to Search
Property profile & analytics
OFF-MARKET
Commercial real estate
600 Washington Ave North Haven, CT 06473-1100
Individually Owned
13-yr Hold
~
Est. High Equity
Property ID
US15-0139996
Property profile
Verified
Property type
Commercial real estate
Use group
COMMERCIAL (GENERAL)
Lot
6.64 ac (289,238 SF)
Zoning code
CB40
APN
NRHV M:101 L:093
UPID
US15-0139996
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
-
Oakbrook Estates Condominium Complex
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
Mark Colantonio · 13 yrs held
Mark Colantonio
since 2012
7 recorded transactions
Zoning & alternative use
CB40 · North Haven, CT
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 North Haven submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs North Haven 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
$271,578
Tax year 2024
Assessed value
$7,840,000
Assessed 2024
Previous assessed
$7,840,000
+0.0% YoY
Effective rate
3.46%
On assessed value
Assessed land
$1,018,310
Assessed improvement
$6,821,690
Applied tax rate
307.0000
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
Commercial real estate
Use group
COMMERCIAL (GENERAL)
Status
Off-Market
Heating
NONE
Cooling
YES
Buildings
2
Units
1
Lot
6.64 ac (289,238 SF)
Zoning code
CB40
APN
NRHV M:101 L:093
UPID
US15-0139996
Jurisdiction
NORTH HAVEN
Zoning & alternative use
CB40 · North Haven, CT
Zoning CB40 · permitted uses
CB40 · North Haven, CT
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
North Haven. Always verify with local authorities before improvements.
Building & site characteristics
From public records
Heating
NONE
Cooling
Yes
Buildings
2
Units
1
Lot
6.64 ac
Current owner
From public records · entity-resolved
Mark Colantonio
Individual
Mailing address
610 WASHINGTON AVE, NORTH HAVEN, CT 06473-1121
Ownership since
2012
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
17 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Oct 4, 2023
—
Corinne B Dahman
—
Deed
related
$35,000 · Ion Bank
Aug 10, 2023
—
600 Washington Avenue LLC
—
Deed
related
$3,435,400 · Bank Of America NA
Oct 23, 2012
$182,000
Mark Colantonio
Barnick-phillips,kerri
Warranty Deed
—
Apr 9, 2001
—
Middletown Ave LLC
—
Deed Of Trust
related
$61,399 · Herbert E Swartz
Apr 6, 1998
—
Gabrielle Hansen
—
Deed Of Trust
related
$122,500 · Washington Mutual Bank
Jan 31, 1997
—
Priscillia Diamantini
—
Deed Of Trust
related
$70,000 · Chase Home Mortgage
Dec 9, 1996
—
Roberta Braemer
—
Deed Of Trust
related
$13,000 · Sikorsky Fin Cu
Nov 12, 1996
—
Thomas W Webb
—
Deed Of Trust
related
$22,134 · Commercial Credit Corp
Jun 4, 1996
$133,000
Gabrielle S Hansen
Green,cynthia S
Warranty Deed
$119,700 · Peoples Bank
Apr 25, 1996
—
John R Pritchard
—
Deed Of Trust
related
$100,800 · Centerbank
Apr 11, 1996
—
Elaine M Silengo
—
Deed Of Trust
related
$15,000 · Wepawaug Flagg FCU
Jan 18, 1996
—
K Twohill-franco
—
Deed Of Trust
related
$35,700 · Southern Ne FCU
Aug 14, 1995
—
Donald Mulvey
—
Deed Of Trust
related
$102,000 · Empire Of America Rlty Credit
May 30, 1995
—
Mary R Waldron
—
Deed Of Trust
related
$15,323 · Dime Savings Bank Wallngford
Dec 2, 1993
$500,000
Frederick C Ulbrich JR.
American Equities Grp
Warranty Deed
—
Jul 23, 1992
—
American Equities Grp
—
Deed Of Trust
related
$696,621 · Connecticut Bank & Trust
May 1, 1992
$135,000
Mary Rose Waldron
Oak Brook Ests INC
Warranty 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?”
You own 600 Washington 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.