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Property profile & analytics
OFF-MARKET
Estimated value
$30,775,000
Commercial real estate
800 Ss St, Waltham, MA 02453-1478
Individually Owned
11-yr Hold
~
Est. High Equity
Property ID
US38-1571582
Property profile
Verified
Property type
Commercial real estate
Use group
COMMERCIAL (GENERAL)
Year built
1984
Construction
STEEL FRAME
Total area
203,738 SF
Lot
6.94 ac (302,189 SF)
APN
WALT M:079 B:005 L:0006
UPID
US38-1571582
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
-
EMJ Corporation Construction Company General Contractor
-
Work Tax Preparation
-
Knights Heating & Air HVAC Service General Contractor
-
Katz Nannis + Solomon Accounting Firm
-
Fortis Management Group Business Management Consultant
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
by Request
Comparable Approach
Comparable
$39.23M
Blend (final)
Blend
$30.78M
Owner & transaction history
Us Reif Watermill Ctr Ma · 11 yrs held
Us Reif Watermill Ctr Ma
since 2014
7 recorded transactions
Zoning & alternative use
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 Waltham submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Waltham 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
APARTMENT HOUSE (5+ UNITS)
$46,945,000
Change: -18% · Conversion: Moderate
Blend value · Realmo final
$30.78M
Range $27.70M – $33.85M · ±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
$151 / 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 2020Property tax & assessments
Tax year 2020
Tax billed
$1,060,530
Tax year 2020
Assessed value
$56,560,400
Assessed 2024
Previous assessed
$56,560,400
+0.0% YoY
Effective rate
1.88%
On assessed value
Assessed land
$8,045,000
Assessed improvement
$48,515,400
Comparables
6 recent transactions · within 1.5 miComparable in this city
6 recent transactions
Comparable in this City
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
Commercial real estate
Use group
COMMERCIAL (GENERAL)
Status
Off-Market
Year built
1984
Construction
STEEL FRAME
Heating
FORCED AIR
Cooling
YES
Buildings
2
Stories
6
Units
2
Bathrooms
24
Total area
203,738 SF
Lot
6.94 ac (302,189 SF)
APN
WALT M:079 B:005 L:0006
UPID
US38-1571582
Jurisdiction
WALTHAM
Metro division
CAMBRIDGE-NEWTON-FRAMINGHAM, MA METROPOLITAN DIVISION
Zoning & alternative use
Zoning · permitted uses
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
APARTMENT HOUSE (5+ UNITS)
Est. value
$46.9M
APARTMENT HOUSE (5+ UNITS)
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
1984
Construction
STEEL FRAME
Heating
FORCED AIR
Cooling
Yes
Stories
6
Buildings
2
Units
2
Bathrooms
24
Lot
6.94 ac
Current owner
From public records · entity-resolved
Us Reif Watermill Ctr Ma
Individual
Mailing address
1270 SOLDIERS FLD RD, BOSTON, MA 02135-1003
Ownership since
2014
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
7 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Aug 28, 2014
$55,015,706
Us Reif Watermill Ctr Ma
Nb Ms Watermill LLC
Quit Claim Deed
related
—
Dec 28, 2012
—
Nb Ms Watermill LLC
—
Deed Of Trust
related
$10 · Sovereign Bank
Jan 24, 2007
—
Nb Ms Watermill LLC
—
Deed Of Trust
related
$96,500,000 · Morgan Stanley Dean
Dec 28, 2000
—
New Boston Watermill
—
Deed Of Trust
related
$30,800,000 · Zuckerman Family Nomi
Mar 3, 2000
$35,625,000
New Boston Watermill
Pa Prop LLC
Grant Deed
$28,525,000 · Fleet National Bank
Dec 20, 1996
—
Pa Prop LLC
—
Deed Of Trust
related
$47,800 · Fleet National Bank
—
—
Us Reif Watermill Ctr Ma
—
Deed Of Trust
related
$28,800,000 · Miscellaneous Ins Co
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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