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Property profile & analytics
OFF-MARKET
Estimated value
$545,000
Investment properties
33 Jefferson Ave 35 Naperville, IL 60540-5308
Entity Owned
6-yr Hold
~
Est. High Equity
Property ID
US28-1461401
Property profile
Verified
Property type
Investment properties
Use group
OFFICE/RESIDENTIAL (MIXED USE)
Year built
1900
Construction
BRICK
Total area
3,033 SF
Lot
0.1 ac (4,356 SF)
Zoning code
B
APN
07-13-423-011
UPID
US28-1461401
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
-
The Apartment by Costello Jewelry Co (Bike/Boat/Book/etc) Store
-
Costello Jewelry Company (Bike/Boat/Book/etc) Store
-
Vic Services Pharmacy
-
Alan & Sons Electricians Electrical Service General Contractor
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
$340k
CAP Approach
CAP
$585k
Comparable Approach
Comparable
by Request
Blend (final)
Blend
$545k
Owner & transaction history
Stearman Properties LLC · 6 yrs held
Stearman Properties LLC
since 2020
7 recorded transactions
Zoning & alternative use
B · Naperville, IL
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 Naperville submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Naperville 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
$340,000
CAP Approach
CAP Return
Estimation
6%
$635,000
6.5%
$585,000
7%
$545,000
Alternative Use
Use
Estimation
COMMERCIAL (GENERAL)
$700,000
Current use
MEDICAL BUILDING
$685,000
Change: -3% · Conversion: Easy
OFFICE BUILDING
$655,000
Change: -7% · Conversion: Easy
Blend value · Realmo final
$545k
Range $491k – $600k · ±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
$180 / 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 2023Property tax & assessments
Tax year 2023
Tax billed
$22,916
Tax year 2023
Assessed value
$288,710
Assessed 2023
Previous assessed
$267,820
+7.8% YoY
Effective rate
7.94%
On assessed value
Assessed land
$115,940
Assessed improvement
$172,770
Land market value
$347,820
Improvement market value
$518,310
Total market value
$866,130
Applied tax rate
7,143.0000
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
Investment properties
Use group
OFFICE/RESIDENTIAL (MIXED USE)
Status
Off-Market
Year built
1900
Construction
BRICK
Heating
NONE
Bathrooms
4
Total area
3,033 SF
Lot
0.1 ac (4,356 SF)
Zoning code
B
APN
07-13-423-011
UPID
US28-1461401
Jurisdiction
DU PAGE
Metro division
CHICAGO-NAPERVILLE-JOLIET, IL METROPOLITAN DIVISION
Zoning & alternative use
B · Naperville, IL
Zoning B · permitted uses
B · Naperville, IL
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Naperville. Always verify with local authorities before improvements.
Alternative use value scenarios
Repositioning upside vs current use
COMMERCIAL (GENERAL) Current
Est. value
$700,000
MEDICAL BUILDING
Est. value
$685,000
OFFICE BUILDING
Est. value
$655,000
COMMERCIAL (GENERAL) Current
MEDICAL BUILDING
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
1900
Construction
BRICK
Heating
NONE
Bathrooms
4
Lot
0.1 ac
Current owner
From public records · entity-resolved
Stearman Properties LLC
Entity
Mailing address
33 W JEFFERSON AVE, NAPERVILLE, IL 60540-5308
Mailing matches property
Yes
Owner-occupied
Yes
Ownership since
2020
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
9 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Jan 30, 2023
—
Stearman Properties LLC 33 35 W Jef
—
Deed
related
$300,000 · Old Second National Bank
Aug 7, 2020
—
Joseph N Costello JR.
—
Deed
related
$737,335 · West Suburban Bk
May 8, 2020
—
Stearman Properties LLC
West Suburban Bk
Grant Deed
—
May 3, 2016
—
Trust 10205
Costello,joseph N JR
Grant Deed
—
Sep 19, 2000
$590,000
Joseph N Costello
Chicago Title Land Tr Co Ttee
Grant Deed
$473,000 · West Suburban Bank
—
—
Joseph N Costello JR.
—
Deed Of Trust
related
$275,000 · West Suburban Bank
—
—
Joseph N Costello JR.
—
Deed Of Trust
related
$1,500,000 · West Suburban Bank
—
—
Joseph N Costello JR.
—
Deed Of Trust
related
$1,300,000 · West Suburban Bank
—
—
Joseph N Costello JR.
—
Deed Of Trust
related
$737,335 · West Suburban Bk
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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