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Property profile & analytics
OFF-MARKET
Estimated value
$17,335,000
Office buildings
820 Jorie Blvd, Oak Brook, IL 60523-2284
Entity Owned
27-yr Hold
Free & Clear
Property ID
US28-1017147
Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING
Year built
1998
Total area
105,443 SF
Lot
5.15 ac (224,334 SF)
Zoning code
C
APN
06-26-201-012
UPID
US28-1017147
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
-
Radiological Society of North America Charitable Organization Social Service Agency
-
Association-University Radiologists Physician Medical Clinic
-
Accredited Home Lenders Loan Service Bank
-
IHE Brasil Physician
-
Association-Program Directors Medical Clinic
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
$23.86M
Comparable Approach
Comparable
$10.49M
Blend (final)
Blend
$17.34M
Owner & transaction history
SOCIETY N A RADIOLOGICAL
SOCIETY N A RADIOLOGICAL
Zoning & alternative use
C · Oak Brook, IL
Permitted uses
Permitted uses
Allowed · conditional · prohibited
Top alternative use upside
Commercial (general)
$24.5M
+10.8%
Medical building
$23.8M
+7.4%
Retail stores
$22.7M
+2.8%
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 Oak Brook submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Oak Brook 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%
$25,845,000
6.5%
$23,860,000
7%
$22,155,000
Alternative Use
Use
Estimation
OFFICE BUILDING
$22,110,000
Current use
COMMERCIAL (GENERAL)
$24,500,000
Change: +11% · Conversion: Easy
MEDICAL BUILDING
$23,750,000
Change: +7% · Conversion: Easy
RETAIL STORES
$22,720,000
Change: +3% · Conversion: Moderate
APARTMENT HOUSE (5+ UNITS)
$20,360,000
Change: -8% · Conversion: Easy
Blend value · Realmo final
$17.34M
Range $15.60M – $19.07M · ±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
$164 / 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
$265,834
Tax year 2023
Assessed value
$6,885,990
Assessed 2023
Previous assessed
$6,553,090
+5.1% YoY
Effective rate
3.86%
On assessed value
Assessed land
$1,419,360
Assessed improvement
$5,466,630
Land market value
$4,258,080
Improvement market value
$16,399,890
Total market value
$20,657,970
Applied tax rate
6,143.0000
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
Office buildings
Use group
OFFICE BUILDING
Status
Off-Market
Year built
1998
Heating
NONE
Total area
105,443 SF
Lot
5.15 ac (224,334 SF)
Zoning code
C
APN
06-26-201-012
UPID
US28-1017147
Jurisdiction
DU PAGE
Metro division
CHICAGO-NAPERVILLE-JOLIET, IL METROPOLITAN DIVISION
Zoning & alternative use
C · Oak Brook, IL
Zoning C · permitted uses
C · Oak Brook, IL
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Oak Brook. Always verify with local authorities before improvements.
Alternative use value scenarios
Repositioning upside vs current use
OFFICE BUILDING Current
Est. value
$22.1M
COMMERCIAL (GENERAL)
Est. value
$24.5M
MEDICAL BUILDING
Est. value
$23.8M
RETAIL STORES
Est. value
$22.7M
APARTMENT HOUSE (5+ UNITS)
Est. value
$20.4M
OFFICE BUILDING Current
COMMERCIAL (GENERAL)
MEDICAL BUILDING
RETAIL STORES
APARTMENT HOUSE (5+ UNITS)
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
1998
Heating
NONE
Lot
5.15 ac
Current owner
From public records · entity-resolved
SOCIETY N A RADIOLOGICAL
Individual
Free & Clear · 0 yrs held
Mailing address
820 JORIE BLVD, OAK BROOK, IL 60523-2284
Mailing matches property
Yes
Owner-occupied
Yes
Ownership since
—
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
No recorded transactions
No recorded transactions found for this property.
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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