New search
Property profile & analytics
OFF-MARKET
Estimated value
$9,855,000
Office buildings
51 Water St 57, Watertown, MA 02472-4611
Entity Owned
25-yr Hold
Free & Clear
Property ID
US38-0407988
Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING
Year built
1950
Construction
STEEL FRAME
Total area
85,781 SF
Lot
2.67 ac (116,349 SF)
Zoning code
I-2
APN
WATE M:0105 B:0011 L:0000
UPID
US38-0407988
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
-
2nd Home Adult Day Health Care Nursing Home
-
Exergen Corporation Building Services Division Medical Supply Store
-
Elizabeth Corti Physician
-
Briana Eagan Physician
-
MBTA Watertown Yard Parking Lot Parking Lot & Garage
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
by Request
Comparable Approach
Comparable
$10.45M
Blend (final)
Blend
$9.86M
Owner & transaction history
51 Water St LLC · 25 yrs held
51 Water St LLC
since 2001
3 recorded transactions
Zoning & alternative use
I-2 · Watertown, MA
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 Watertown submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Watertown 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
Blend value · Realmo final
$9.86M
Range $8.87M – $10.84M · ±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
$115 / 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
$279,603
Tax year 2024
Assessed value
$12,114,500
Assessed 2024
Previous assessed
$11,907,000
+1.7% YoY
Effective rate
2.31%
On assessed value
Assessed land
$3,665,100
Assessed improvement
$8,449,400
Comparables
6 recent transactions · within 1.5 miComparable in this city
6 recent transactions
Comparable in this City
Similar Nearby for Sale
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
1950
Construction
STEEL FRAME
Heating
FORCED AIR
Buildings
1
Stories
2
Units
7
Bathrooms
12
Total area
85,781 SF
Lot
2.67 ac (116,349 SF)
Zoning code
I-2
APN
WATE M:0105 B:0011 L:0000
UPID
US38-0407988
Jurisdiction
WATERTOWN
Metro division
CAMBRIDGE-NEWTON-FRAMINGHAM, MA METROPOLITAN DIVISION
Zoning & alternative use
I-2 · Watertown, MA
Zoning I-2 · permitted uses
I-2 · Watertown, MA
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Watertown. Always verify with local authorities before improvements.
Building & site characteristics
From public records
Year built
1950
Construction
STEEL FRAME
Heating
FORCED AIR
Stories
2
Buildings
1
Units
7
Bathrooms
12
Lot
2.67 ac
Current owner
From public records · entity-resolved
51 Water St LLC
Entity
Free & Clear · 25 yrs held
Mailing address
93 UN ST STE #315, NEWTON CENTER, MA 02459-2241
Ownership since
2001
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
3 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Oct 12, 2021
—
Galen St Owner LLC
—
Deed
related
$174,750,000 · Citizens Bank
Jun 5, 2001
$5,800,000
51 Water St LLC
Nk RT
Grant Deed
—
—
—
51 Walter Street LLC
—
Deed Of Trust
related
$4,500,000 · Cambridge Tr
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 51 Water St, Unit 57?
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.
