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Property profile & analytics
OFF-MARKET
Estimated value
$690,000
Investment properties
117 Porter St East Boston, MA 02128-2163
Individually Owned
13-yr Hold
Absentee Owner
~
Est. High Equity
Property ID
US38-0941408
Property profile
Verified
Property type
Investment properties
Use group
OFFICE/RESIDENTIAL (MIXED USE)
Year built
1899
Construction
BRICK
Total area
3,134 SF
Lot
0.05 ac (2,250 SF)
Zoning code
RC
APN
EBOS W:01 P:05770 S:000
UPID
US38-0941408
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
$690k
Owner & transaction history
Chelsea Porter Street Nt · 13 yrs held
Chelsea Porter Street Nt
since 2013
4 recorded transactions
Zoning & alternative use
RC · East Boston, MA
Permitted uses
Permitted uses
Allowed · conditional · prohibited
Top alternative use upside
Neighborhood: shopping center
$1.0M
+9.3%
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 East Boston submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs East Boston 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
COMMERCIAL (GENERAL)
$945,000
Current use
NEIGHBORHOOD: SHOPPING CENTER
$1,035,000
Change: +9% · Conversion: Difficult
Blend value · Realmo final
$690k
Range $621k – $759k · ±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
$220 / 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 2024Property tax & assessments
Tax year 2024
Assessed value
$582,600
Assessed 2024
Previous assessed
$597,500
-2.5% YoY
Assessed land
$132,500
Assessed improvement
$450,100
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
Investment properties
Use group
OFFICE/RESIDENTIAL (MIXED USE)
Status
Off-Market
Year built
1899
Construction
BRICK
Heating
NONE
Buildings
1
Stories
3
Units
2
Total area
3,134 SF
Lot
0.05 ac (2,250 SF)
Zoning code
RC
APN
EBOS W:01 P:05770 S:000
UPID
US38-0941408
Jurisdiction
BOSTON
Metro division
BOSTON-QUINCY, MA METROPOLITAN DIVISION
Zoning & alternative use
RC · East Boston, MAZoning RC · permitted uses
RC · East Boston, MA
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Alternative use value scenarios
Repositioning upside vs current use
COMMERCIAL (GENERAL) Current
Est. value
$945,000
NEIGHBORHOOD: SHOPPING CENTER
Est. value
$1.0M
COMMERCIAL (GENERAL) Current
NEIGHBORHOOD: SHOPPING CENTER
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
1899
Construction
BRICK
Heating
NONE
Stories
3
Buildings
1
Units
2
Lot
0.05 ac
Current owner
From public records · entity-resolved
Chelsea Porter Street Nt
Individual
Mailing address
8 COREY ST, EVERETT, MA 02149-3447
Mailing matches property
Different — outreach signal
Owner-occupied
No
Ownership since
2013
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
4 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Jul 2, 2013
—
Chelsea Porter Street Nt
—
Deed Of Trust
related
$251,000 · Brookline Savings Bank
May 24, 2011
—
Constantino Pannullo
—
Deed Of Trust
related
$161,000 · Brookline Savings Bank
Mar 14, 2001
—
Constantino Pannullo
—
Deed Of Trust
related
$56,000 · Plus Insurance Profit
Feb 26, 1992
—
Constantino Pannullo
—
Deed Of Trust
related
$25,000 · Robert A Brudnick
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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