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Property profile & analytics
OFF-MARKET
Estimated value
$2,705,000
Manufacturing properties
310 Authority Dr, Fitchburg, MA 01420-6047
Entity Owned
17-yr Hold
~
Est. High Equity
Property ID
US38-1519938
Property profile
Verified
Property type
Manufacturing properties
Use group
MANUFACTURING (LIGHT)
Year built
1987
Total area
36,304 SF
Lot
11.72 ac (510,567 SF)
Zoning code
I
APN
FITC M:118R B:0006 L:0
UPID
US38-1519938
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
-
Image Diagnostics, Inc. Industrial Manufacturer Production Facility
-
Jibunu Business To Business Service
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
by Request
Comparable Approach
Comparable
by Request
Blend (final)
Blend
$2.71M
Owner & transaction history
4 Sons Dev LLC · 17 yrs held
4 Sons Dev LLC
since 2009
6 recorded transactions
Zoning & alternative use
I · Fitchburg, MA
Permitted uses
Permitted uses
Allowed · conditional · prohibited
Top alternative use upside
Retail stores
$4.5M
+53.8%
Apartment house (5+ units)
$4.4M
+49.9%
Warehouse, storage
$3.6M
+25.4%
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 Fitchburg submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Fitchburg 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
INDUSTRIAL (GENERAL)
$2,905,000
Current use
RETAIL STORES
$4,470,000
Change: +54% · Conversion: Moderate
APARTMENT HOUSE (5+ UNITS)
$4,355,000
Change: +50% · Conversion: Difficult
WAREHOUSE, STORAGE
$3,640,000
Change: +25% · Conversion: Easy
OFFICE BUILDING
$3,300,000
Change: +14% · Conversion: Difficult
Blend value · Realmo final
$2.71M
Range $2.43M – $2.98M · ±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
$75 / 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
$28,385
Tax year 2024
Assessed value
$1,916,600
Assessed 2024
Previous assessed
$1,799,000
+6.5% YoY
Effective rate
1.48%
On assessed value
Assessed land
$344,000
Assessed improvement
$1,572,600
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
Manufacturing properties
Use group
MANUFACTURING (LIGHT)
Status
Off-Market
Year built
1987
Heating
FORCED AIR
Buildings
1
Stories
1
Units
1
Bathrooms
7
Total area
36,304 SF
Lot
11.72 ac (510,567 SF)
Zoning code
I
APN
FITC M:118R B:0006 L:0
UPID
US38-1519938
Jurisdiction
FITCHBURG
Zoning & alternative use
I · Fitchburg, MA
Zoning I · permitted uses
I · Fitchburg, MA
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Fitchburg. Always verify with local authorities before improvements.
Alternative use value scenarios
Repositioning upside vs current use
INDUSTRIAL (GENERAL) Current
Est. value
$2.9M
RETAIL STORES
Est. value
$4.5M
APARTMENT HOUSE (5+ UNITS)
Est. value
$4.4M
WAREHOUSE, STORAGE
Est. value
$3.6M
OFFICE BUILDING
Est. value
$3.3M
INDUSTRIAL (GENERAL) Current
RETAIL STORES
APARTMENT HOUSE (5+ UNITS)
WAREHOUSE, STORAGE
OFFICE BUILDING
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
1987
Heating
FORCED AIR
Stories
1
Buildings
1
Units
1
Bathrooms
7
Lot
11.72 ac
Current owner
From public records · entity-resolved
4 Sons Dev LLC
Entity
Mailing address
310 AUTHORITY DR, FITCHBURG, MA 01420-6047
Ownership since
2009
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
Apr 14, 2009
$1,225,000
4 Sons Dev LLC
Chantilas Properties LLC
Grant Deed
$1,500,000 · Fitchburg Savings Bank
Sep 24, 2003
$1,050,000
Chantilas Properties LLC
Chemdesign Corp
Grant Deed
—
Dec 3, 2001
—
Chemdesign Corp
—
Deed Of Trust
related
$13,500,000 · Congress Financial
Dec 30, 1994
$910,000
Chemdesign Corp
Fitchburg Sb Fsb
Grant Deed
—
Jan 7, 1993
$1,125,698
Fitchburg Fsb
Bgm Nt
Grant Deed
related
—
—
—
4 Sons Dev LLC
—
Deed Of Trust
related
$250,000 · Rollstone Bk&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.
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