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Property profile & analytics
FOR SALE
Office buildings
21 Mazzeo Dr Randolph, MA 02368
Entity Owned
11-yr Hold
Free & Clear
Property ID
US38-0325295
For Sale
1 / 10
$1,600,000
21 Mazzeo Dr, Randolph, MA 02368
View Listing →
Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING
Year built
1980
Construction
FRAME
Total area
10,000 SF
Lot
0.43 ac (18,946 SF)
Zoning code
GBHD
APN
RAND M:57 B:B L:021A
UPID
US38-0325295
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
-
Carpenters Local Union Advocacy Group
-
Kaplansky Insurance Insurance Agency
-
Integrity Graphics Llc Envelope Supplier Print Services
-
York Properties Property Management Company
-
Randolph Behavioral Health Services Medical Clinic
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
by Request
Comparable Approach
Comparable
$1.78M
Blend (final)
Blend
$1.71M
Owner & transaction history
Mazzeo 2 LLC · 11 yrs held
Mazzeo 2 LLC
since 2015
5 recorded transactions
Zoning & alternative use
GBHD · Randolph, 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 Randolph submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Randolph 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
COMMERCIAL (GENERAL)
$2,560,000
Change: -13% · Conversion: Easy
Blend value · Realmo final
$1.71M
Range $1.53M – $1.88M · ±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
$171 / 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
$23,751
Tax year 2024
Assessed value
$1,071,300
Assessed 2024
Previous assessed
$1,000,500
+7.1% YoY
Effective rate
2.22%
On assessed value
Assessed land
$465,300
Assessed improvement
$606,000
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
For Sale
Year built
1980
Construction
FRAME
Heating
FORCED AIR
Cooling
YES
Buildings
1
Stories
2
Units
1
Bathrooms
4
Total area
10,000 SF
Lot
0.43 ac (18,946 SF)
Zoning code
GBHD
APN
RAND M:57 B:B L:021A
UPID
US38-0325295
Jurisdiction
RANDOLPH
Metro division
BOSTON-QUINCY, MA METROPOLITAN DIVISION
Zoning & alternative use
GBHD · Randolph, MA
Zoning GBHD · permitted uses
GBHD · Randolph, MA
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Randolph. Always verify with local authorities before improvements.
Alternative use value scenarios
Repositioning upside vs current use
COMMERCIAL (GENERAL)
Est. value
$2.6M
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
1980
Construction
FRAME
Heating
FORCED AIR
Cooling
Yes
Stories
2
Buildings
1
Units
1
Bathrooms
4
Lot
0.43 ac
Current owner
From public records · entity-resolved
Mazzeo 2 LLC
Entity
Free & Clear · 11 yrs held
Mailing address
21 MAZZEO DR STE #103, RANDOLPH, MA 02368-3448
Mailing matches property
Yes
Owner-occupied
Yes
Ownership since
2015
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
5 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Dec 22, 2025
—
David Picard
—
Deed
related
$387,600 · Standard Mtg Corp
Apr 10, 2015
—
Mazzeo 2 LLC
Jablonski H Frank Trust
Quit Claim Deed
related
—
Jan 15, 2015
—
Jablonski,h Frank Trust
Jablonski H F
Personal Representative Deed
—
Apr 14, 1995
—
Jablonski,h Frank Tr
—
Deed Of Trust
related
$2,000,000 · Barbara F Jablonski
Jan 5, 1994
—
R RT
—
Deed Of Trust
related
$66,300 · 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?”
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