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Property profile & analytics
OFF-MARKET
Estimated value
$685,000
Office buildings
21 Whitfield St, Guilford, CT 06437-2631
Individually Owned
2-yr Hold
Free & Clear
Property ID
US15-0389528
Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING
Year built
1989
Construction
FRAME
Total area
4,175 SF
Lot
0.29 ac (12,632 SF)
Zoning code
CD
APN
GUIL M:39100
UPID
US15-0389528
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
-
Allison Ciarcia, William Raveis One+Company Real Estate Agency
-
Vicky Welch, William Raveis Real Estate Real Estate Agency
-
Paul Violano, William Raveis Real Estate Real Estate Agency
-
Lisa Edgerton - William Raveis Real Estate - Guilford Office Real Estate Agency
-
Lia DiGioia, William Raveis Real Estate Real Estate Agency
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
by Request
Comparable Approach
Comparable
$660k
Blend (final)
Blend
$685k
Owner & transaction history
Kathryn H Greene · 2 yrs held
Kathryn H Greene
since 2024
7 recorded transactions
Zoning & alternative use
CD · Guilford, 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 Guilford submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Guilford 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%
by Request
6.5%
by Request
7%
by Request
Alternative Use
Use
Estimation
OFFICE BUILDING
$530,000
Current use
COMMERCIAL (GENERAL)
$470,000
Change: -11% · Conversion: Easy
RETAIL STORES
$455,000
Change: -14% · Conversion: Moderate
Blend value · Realmo final
$685k
Range $617k – $754k · ±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
$164 / 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 2023Property tax & assessments
Tax year 2023
Tax billed
$20,076
Tax year 2023
Assessed value
$775,740
Assessed 2023
Previous assessed
$775,740
+0.0% YoY
Effective rate
2.59%
On assessed value
Assessed land
$308,910
Assessed improvement
$466,830
Applied tax rate
325.0000
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
1989
Construction
FRAME
Heating
RADIANT
Buildings
1
Stories
1
Units
1
Rooms
5
Bathrooms
2
Total area
4,175 SF
Lot
0.29 ac (12,632 SF)
Zoning code
CD
APN
GUIL M:39100
UPID
US15-0389528
Jurisdiction
GUILFORD
Zoning & alternative use
CD · Guilford, CT
Zoning CD · permitted uses
CD · Guilford, CT
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Guilford. Always verify with local authorities before improvements.
Alternative use value scenarios
Repositioning upside vs current use
OFFICE BUILDING Current
Est. value
$530,000
COMMERCIAL (GENERAL)
Est. value
$470,000
RETAIL STORES
Est. value
$455,000
OFFICE BUILDING Current
COMMERCIAL (GENERAL)
RETAIL STORES
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
1989
Construction
FRAME
Heating
RADIANT
Stories
1
Buildings
1
Units
1
Rooms
5
Bathrooms
2
Lot
0.29 ac
Current owner
From public records · entity-resolved
Kathryn H Greene
Individual
Free & Clear · 2 yrs held
Mailing address
1241 KNOLLWOOD DR, CAMBRIA, CA 93428-3322
Ownership since
2024
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
12 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Mar 25, 2024
—
Kathryn H Greene
Richard B Greene Ret
Fiduciary Deed
—
May 18, 2020
—
Kathryn H Greene
Richard B Greene
Trustees Deed
—
Aug 16, 2018
—
29 Whitfield Street LLC
Greene Richard B & Kathryn H
Quit Claim Deed
related
—
Jan 24, 2017
—
Kathryn H Greene
Greene Richard B
Executors Deed
—
Jan 26, 2016
—
Kathryn H Greene
Greene Richard B Trust
Fiduciary Deed
—
Jan 7, 2015
—
Kathryn Greene
Greene Richard B Trust
Fiduciary Deed
—
Jan 21, 2014
—
Kathryn H Greene
Richard B Greene Ret
Fiduciary Deed
—
Jan 7, 2013
$1
Kathryn H Greene
Richard B Greene Ret
Grant Deed
—
Jan 17, 2012
$1
Kathryn H Greene
Richard B Green Ret
Grant Deed
—
Oct 24, 2011
$1
Kathryn H Greene
Richard B Green Ret
Grant Deed
—
Dec 1, 1997
—
Richard B Greene
—
Deed Of Trust
related
$500,000 · First Union National Bank
May 8, 1987
—
Richard B Greene
—
Deed Of Trust
related
$75,000 · Guilford Savings Bank
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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