New search
Property profile & analytics
OFF-MARKET
Estimated value
$3,975,000
Office buildings
1 Walnut St, Boston, MA 02108-3616
Entity Owned
28-yr Hold
Free & Clear
Property ID
US38-1486971
Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING
Year built
1899
Construction
BRICK
Total area
13,248 SF
Lot
0.07 ac (3,191 SF)
Zoning code
C
APN
CBOS W:05 P:01482 S:000
UPID
US38-1486971
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
-
Christopher Hall Architect Inc Architect
-
LG Skin Solutions Spa & Massage Center Skin Care Clinic
-
Kim Foster Acupuncture By Appointment Only Alternative Medicine Practice Acupuncture
-
Acec-Ma Engineering Consultant
-
Boston Association of Structural Engineers Association / Organization
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
by Request
Comparable Approach
Comparable
by Request
Blend (final)
Blend
$3.98M
Owner & transaction history
Laconia Assoc LLC · 28 yrs held
Laconia Assoc LLC
since 1998
6 recorded transactions
Zoning & alternative use
C · Boston, 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 Boston submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Boston 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
CAP Approach
Comparable Approach
Alternative Use
Get a detailed, property-specific estimation — fast and free
Price per SF
Sale + rent benchmarks
Subject property
$300 / 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
$107,958
Tax year 2024
Assessed value
$4,272,200
Assessed 2024
Previous assessed
$4,293,100
-0.5% YoY
Effective rate
2.53%
On assessed value
Assessed land
$1,370,200
Assessed improvement
$2,902,000
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
1899
Construction
BRICK
Heating
NONE
Buildings
1
Stories
4
Units
3
Total area
13,248 SF
Lot
0.07 ac (3,191 SF)
Zoning code
C
APN
CBOS W:05 P:01482 S:000
UPID
US38-1486971
Jurisdiction
BOSTON
Metro division
BOSTON-QUINCY, MA METROPOLITAN DIVISION
Zoning & alternative use
C · Boston, MA
Zoning C · permitted uses
C · Boston, MA
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Boston. Always verify with local authorities before improvements.
Building & site characteristics
From public records
Year built
1899
Construction
BRICK
Heating
NONE
Stories
4
Buildings
1
Units
3
Lot
0.07 ac
Current owner
From public records · entity-resolved
Laconia Assoc LLC
Entity
Free & Clear · 28 yrs held
Mailing address
1 WALNUT ST, BOSTON, MA 02108-3616
Ownership since
1998
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
6 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Jul 2, 2010
—
Engineering Center Educ T
—
Deed Of Trust
related
$200,000 · Webster Bank
Jun 26, 2007
—
Darren W Conboy
—
Deed Of Trust
related
$1,500,000 · Gary Needham
Dec 22, 1998
—
Engineering Ctr Educ T
—
Deed Of Trust
related
$1,850,000 · Gary Needham
Jan 30, 1998
$405,000
Laconia Assoc LLC
Bra
Grant Deed
—
Aug 7, 1992
—
Frederick G Aufiero
—
Deed Of Trust
related
$20,500,000 · Engineering Cntr Educ
Jun 8, 1990
$2,950,000
Engineering Ctr Educ T
Phillips-winthrop Hse
Grant Deed
$1,750,000 · Zwi Kohorn
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 1 Walnut 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.
