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Property profile & analytics
OFF-MARKET
Estimated value
$595,000
Office buildings
12 School St Dedham, MA 02026-4310
Entity Owned
1-yr Hold
Property ID
US38-1628525
Property summary
AI-generated overview
This exceptional 2-unit professional office building presents a rare investment opportunity in the vibrant heart of Dedham Square. Situated on a 0.13-acre lot with convenient access from both Washington Street and School Street, the property boasts a paved parking lot accommodating six vehicles. The building features two distinct units: a first-floor unit currently owner-occupied, comprising four rooms, a half-bath, and a rear porch
Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING
Year built
1835
Total area
1,920 SF
Lot
0.13 ac (5,600 SF)
Zoning code
GB
APN
DEDH M:0108 L:0046
UPID
US38-1628525
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
-
Peter A Zahka Law Offices Law Firm
-
Ricci Construction Construction Company General Contractor
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
$380k
CAP Approach
CAP
$690k
Comparable Approach
Comparable
$817k
Blend (final)
Blend
$595k
Owner & transaction history
12 School Street LLC · 1 yrs held
12 School Street LLC
since 2025
4 recorded transactions
Zoning & alternative use
GB · Dedham, MA
Permitted uses
Permitted uses
Allowed · conditional · prohibited
Top alternative use upside
Auto repair, garage
$620,000
+9.8%
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 Dedham submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Dedham 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
$380,000
CAP Approach
CAP Return
Estimation
6%
$750,000
6.5%
$690,000
7%
$640,000
Alternative Use
Use
Estimation
OFFICE BUILDING
$565,000
Current use
AUTO REPAIR, GARAGE
$620,000
Change: +10% · Conversion: Difficult
RETAIL STORES
$560,000
Change: 0% · Conversion: Moderate
COMMERCIAL (GENERAL)
$490,000
Change: -13% · Conversion: Easy
Blend value · Realmo final
$595k
Range $536k – $655k · ±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
$310 / 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
$13,217
Tax year 2024
Assessed value
$510,700
Assessed 2024
Previous assessed
$480,100
+6.4% YoY
Effective rate
2.59%
On assessed value
Assessed land
$330,900
Assessed improvement
$179,800
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
1835
Heating
HOT WATER
Buildings
1
Stories
2
Units
3
Bathrooms
3
Total area
1,920 SF
Lot
0.13 ac (5,600 SF)
Zoning code
GB
APN
DEDH M:0108 L:0046
UPID
US38-1628525
Jurisdiction
DEDHAM
Metro division
BOSTON-QUINCY, MA METROPOLITAN DIVISION
Zoning & alternative use
GB · Dedham, MA
Zoning GB · permitted uses
GB · Dedham, MA
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Dedham. Always verify with local authorities before improvements.
Alternative use value scenarios
Repositioning upside vs current use
OFFICE BUILDING Current
Est. value
$565,000
AUTO REPAIR, GARAGE
Est. value
$620,000
RETAIL STORES
Est. value
$560,000
COMMERCIAL (GENERAL)
Est. value
$490,000
OFFICE BUILDING Current
AUTO REPAIR, GARAGE
RETAIL STORES
COMMERCIAL (GENERAL)
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
1835
Heating
HOT WATER
Stories
2
Buildings
1
Units
3
Bathrooms
3
Lot
0.13 ac
Current owner
From public records · entity-resolved
12 School Street LLC
Entity
Mailing address
12 SCHOOL ST, DEDHAM, MA 02026-4310
Ownership since
2025
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
Jun 27, 2025
$790,000
12 School Street LLC
Pcar RT
Deed
—
May 23, 2008
—
Peter A Zahka
—
Deed Of Trust
related
$85,000 · Lorice Zahka
May 8, 2008
$350,000
Pcar RT
School Street RT
Grant Deed
$297,500 · Needham Cp Bank
Sep 30, 1991
$189,000
Robert P Zahka JR.
Leonard,florence E
Grant Deed
$151,200 · Dedham Inst For Savings
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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