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Property profile & analytics
OFF-MARKET
Estimated value
$640,000
Office buildings
17 Washington St, Somerville, MA 02143-4401
Individually Owned
20-yr Hold
~
Est. High Equity
Property ID
US38-1063746
Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING
Year built
1875
Construction
MASONRY/CONCRETE MASONRY UNITS (CMUS)
Total area
2,037 SF
Lot
0.03 ac (1,229 SF)
Zoning code
RC
APN
SOME M:105 B:D L:21
UPID
US38-1063746
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
-
Tranfaglia Sandra N DMD Dental Office
-
Mullane Plumbing & Heating Plumbing Service General Contractor
-
Somerville Teachers Association Charitable Organization Social Service Agency
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
by Request
Comparable Approach
Comparable
by Request
Blend (final)
Blend
$640k
Owner & transaction history
T Ajs · 20 yrs held
T Ajs
since 2005
4 recorded transactions
Zoning & alternative use
RC · Somerville, MA
Permitted uses
Permitted uses
Allowed · conditional · prohibited
Top alternative use upside
Commercial (general)
$970,000
+117.0%
Auto repair, garage
$575,000
+28.6%
Neighborhood: shopping center
$565,000
+26.6%
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 Somerville submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Somerville 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
$445,000
Current use
COMMERCIAL (GENERAL)
$970,000
Change: +117% · Conversion: Easy
AUTO REPAIR, GARAGE
$575,000
Change: +29% · Conversion: Difficult
NEIGHBORHOOD: SHOPPING CENTER
$565,000
Change: +27% · Conversion: Difficult
RETAIL STORES
$550,000
Change: +23% · Conversion: Moderate
Blend value · Realmo final
$640k
Range $576k – $704k · ±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
$314 / 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
Tax billed
$9,766
Tax year 2024
Assessed value
$536,600
Assessed 2024
Previous assessed
$536,600
+0.0% YoY
Effective rate
1.82%
On assessed value
Assessed land
$208,300
Assessed improvement
$328,300
Comparables
6 recent transactions · within 1.5 miComparable in this city
6 recent transactions
Comparable in this City
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
1875
Construction
MASONRY/CONCRETE MASONRY UNITS (CMUS)
Heating
FORCED AIR
Cooling
YES
Buildings
1
Stories
2
Total area
2,037 SF
Lot
0.03 ac (1,229 SF)
Zoning code
RC
APN
SOME M:105 B:D L:21
UPID
US38-1063746
Jurisdiction
SOMERVILLE
Metro division
CAMBRIDGE-NEWTON-FRAMINGHAM, MA METROPOLITAN DIVISION
Zoning & alternative use
RC · Somerville, MA
Zoning RC · permitted uses
RC · Somerville, MA
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Somerville. Always verify with local authorities before improvements.
Alternative use value scenarios
Repositioning upside vs current use
OFFICE BUILDING Current
Est. value
$445,000
COMMERCIAL (GENERAL)
Est. value
$970,000
AUTO REPAIR, GARAGE
Est. value
$575,000
NEIGHBORHOOD: SHOPPING CENTER
Est. value
$565,000
RETAIL STORES
Est. value
$550,000
OFFICE BUILDING Current
COMMERCIAL (GENERAL)
AUTO REPAIR, GARAGE
NEIGHBORHOOD: SHOPPING CENTER
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
1875
Construction
MASONRY/CONCRETE MASONRY UNITS (CMUS)
Heating
FORCED AIR
Cooling
Yes
Stories
2
Buildings
1
Lot
0.03 ac
Current owner
From public records · entity-resolved
T Ajs
Individual
Mailing address
347 HILLSIDE RD, NORTH ANDOVER, MA 01845-5916
Ownership since
2005
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
Nov 25, 2020
—
Ajs T
—
Deed
related
$310,000 · Citizens Bank Of Rhode Island
Aug 1, 2005
$395,000
T Ajs
B&b RT
Grant Deed
$405,500 · Zions First National Bank
Oct 3, 1996
$190,000
Gil Dematos
Gaffney,thoms E
Grant Deed
$180,500 · Somerset Savings Bank
Oct 2, 1989
$187,000
B RT
Mullane,john J
Grant Deed
$150,000 · Winter Hill Fsb
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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