Back to Search
Property profile & analytics
OFF-MARKET
Estimated value
$12,900,000
Office buildings
858 Washington St Dedham, MA 02026-6099
Entity Owned
5-yr Hold
~
Est. High Equity
Property ID
US38-1690558
Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING
Year built
1959
Construction
STEEL FRAME
Total area
46,700 SF
Lot
2.08 ac (90,605 SF)
Zoning code
LM
APN
DEDH M:0148 L:0030
UPID
US38-1690558
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
-
Intelligas Consulting, a JR Campbell and Assoc., Inc. Company Consultant
-
Schiavo Enterprises Construction Company General Contractor
-
Bank of America (with Drive-thru ATM) Bank Loan Service
-
Starlegal Inc Law Firm
-
GJS Management Inc Property Management Company
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
$16.82M
Comparable Approach
Comparable
$13.74M
Blend (final)
Blend
$12.90M
Owner & transaction history
Washington 850 LLC · 5 yrs held
Washington 850 LLC
since 2021
1 recorded transaction
Zoning & alternative use
LM · Dedham, MA
Permitted uses
Permitted uses
Allowed · conditional · prohibited
Top alternative use upside
Restaurant
$20.0M
+46.3%
Auto repair, garage
$15.0M
+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
by Request
CAP Approach
CAP Return
Estimation
6%
$18,220,000
6.5%
$16,815,000
7%
$15,615,000
Alternative Use
Use
Estimation
OFFICE BUILDING
$13,700,000
Current use
RESTAURANT
$20,045,000
Change: +46% · Conversion: Moderate
AUTO REPAIR, GARAGE
$15,040,000
Change: +10% · Conversion: Difficult
RETAIL STORES
$13,675,000
Change: 0% · Conversion: Moderate
APARTMENT HOUSE (5+ UNITS)
$13,415,000
Change: -2% · Conversion: Easy
COMMERCIAL (GENERAL)
$11,950,000
Change: -13% · Conversion: Easy
Blend value · Realmo final
$12.90M
Range $11.61M – $14.19M · ±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
$276 / 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
$222,131
Tax year 2024
Assessed value
$8,583,100
Assessed 2024
Previous assessed
$8,082,100
+6.2% YoY
Effective rate
2.59%
On assessed value
Assessed land
$2,861,300
Assessed improvement
$5,721,800
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
1959
Construction
STEEL FRAME
Heating
FORCED AIR
Cooling
YES
Buildings
1
Stories
2
Units
10
Bathrooms
9
Total area
46,700 SF
Lot
2.08 ac (90,605 SF)
Zoning code
LM
APN
DEDH M:0148 L:0030
UPID
US38-1690558
Jurisdiction
DEDHAM
Metro division
BOSTON-QUINCY, MA METROPOLITAN DIVISION
Zoning & alternative use
LM · Dedham, MA
Zoning LM · permitted uses
LM · 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
$13.7M
RESTAURANT
Est. value
$20.0M
AUTO REPAIR, GARAGE
Est. value
$15.0M
RETAIL STORES
Est. value
$13.7M
APARTMENT HOUSE (5+ UNITS)
Est. value
$13.4M
COMMERCIAL (GENERAL)
Est. value
$12.0M
OFFICE BUILDING Current
RESTAURANT
AUTO REPAIR, GARAGE
RETAIL STORES
APARTMENT HOUSE (5+ UNITS)
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
1959
Construction
STEEL FRAME
Heating
FORCED AIR
Cooling
Yes
Stories
2
Buildings
1
Units
10
Bathrooms
9
Lot
2.08 ac
Current owner
From public records · entity-resolved
Washington 850 LLC
Entity
Mailing address
858 WASHINGTON ST STE #309, DEDHAM, MA 02026-6021
Mailing matches property
Yes
Owner-occupied
Yes
Ownership since
2021
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
1 recorded event · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
May 17, 2021
—
Washington 850 LLC
—
Deed
related
$11,700,000 · Dedham Institution 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.
Try Rey
Ask anything about this address in plain English.
“Is 15.6% cap rate sustainable?” · “Best tenant mix for BU1?” · “What’s the redev upside?”
You own 858 Washington St?
List it free. Reach 20,000 daily buyers.
We’ve already pulled the facts. Confirm photos + price and you’re live in 2 minutes.
List this address →
Full reports are paid
Unlock the full Property Analytics report
Start free for 7 days — no card required. Full owner contacts, all 4 valuations with methodology, refine flow, comparable adjustments, foot-traffic deep dive, export to PDF / CSV.
