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Property profile & analytics
OFF-MARKET
Office Spaces
57 Nn St Ste 207 Danbury, CT 06810-5627
Individually Owned
2-yr Hold
Absentee Owner
Free & Clear
Property ID
US15-0395071
Property profile
Verified
Property type
Office Spaces
Use group
CONDOMINIUM OFFICES
Year built
1979
Total area
605 SF
Zoning code
CG20
APN
DANB M:I12 L:7 U:25
UPID
US15-0395071
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
by Request
CAP Approach
CAP
by Request
Comparable Approach
Comparable
by Request
Blend (final)
Blend
by Request
Owner & transaction history
Mary B Durkin · 2 yrs held
Mary B Durkin
since 2023
Last sale
$69,000
3 recorded transactions
Zoning & alternative use
CG20 · Danbury, 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 Danbury submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Danbury 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
$1,069
Tax year 2024
Assessed value
$43,750
Assessed 2024
Previous assessed
$43,750
+0.0% YoY
Effective rate
2.44%
On assessed value
Assessed improvement
$43,750
Applied tax rate
102.0000
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 Spaces
Use group
CONDOMINIUM OFFICES
Status
Off-Market
Year built
1979
Heating
FORCED AIR
Cooling
YES
Buildings
1
Stories
1
Rooms
4
Bathrooms
1
Total area
605 SF
Zoning code
CG20
APN
DANB M:I12 L:7 U:25
UPID
US15-0395071
Jurisdiction
DANBURY
Zoning & alternative use
CG20 · Danbury, CT
Zoning CG20 · permitted uses
CG20 · Danbury, CT
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Danbury. Always verify with local authorities before improvements.
Building & site characteristics
From public records
Year built
1979
Heating
FORCED AIR
Cooling
Yes
Stories
1
Buildings
1
Rooms
4
Bathrooms
1
Current owner
From public records · entity-resolved
Mary B Durkin
Individual
Free & Clear · 2 yrs held
Mailing address
117 LONG MDW HL RD, BROOKFIELD, CT 06804-1312
Mailing matches property
Different — outreach signal
Owner-occupied
No
Ownership since
2023
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
Nov 29, 2023
—
Mary B Durkin
John Durkin
Quit Claim Deed
related
—
Mar 5, 1998
$69,000
John W Durkin
Maturlo,susan
Grant Deed
—
Nov 10, 1988
$85,000
Brescia,michael Tr
Lapidus,iris
Grant 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.
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“Is 15.6% cap rate sustainable?” · “Best tenant mix for BU1?” · “What’s the redev upside?”
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