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Property profile & analytics
OFF-MARKET
Estimated value
$16,260,000
Office buildings
1900 Spg Rd, Oak Brook, IL 60523-1447
Individually Owned
7-yr Hold
Free & Clear
Property ID
US28-0001577
Property summary
AI-generated overview
This exceptional Class A executive office suite, located at 1900 Spring Road in Oak Brook, Illinois, offers 1,042 square feet of meticulously designed space within a larger 107,780 square foot building. Built in 1979 and extensively renovated in 2017, the property boasts a modern aesthetic with high-end finishes. The suite is part of a multi-tenant building featuring a five-story structure with 8'6" ceilings. Enjoy convenient access to a fitness center and a beautiful outdoor pavilion, perfect for meetings or relaxation. The building provides ample parking with a ratio of 3.45 spaces per 1,000 square feet. Situated in DuPage County, this prime location offers unparalleled convenience, with Oak Brook Center, a premier shopping and dining destination with over 160 retailers, just a five-minute walk away. The suite's address is 1900 Spring Road, Hinsdale, IL 60523. This is a rare opportunity to secure a sophisticated and well-appointed office space in a highly desirable location. The property is zoned for office use.
Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING
Year built
1978
Total area
109,250 SF
Lot
7.19 ac (313,196 SF)
APN
06-23-302-006
UPID
US28-0001577
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
-
Denamark Paul J DDS Dental Office
-
Lifelink Corporation Housing Authority
-
Geiger Wealth Financial Advisor
-
Ameresco Inc Production Facility
-
Lifelink Charities Charitable 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
$16.26M
Owner & transaction history
Franklin 1900 Spring Road Lot · 7 yrs held
Franklin 1900 Spring Road Lot
since 2018
4 recorded transactions
Zoning & alternative use
Permitted uses
Permitted uses
Allowed · conditional · prohibited
Top alternative use upside
Commercial (general)
$25.4M
+10.8%
Medical building
$24.6M
+7.4%
Retail stores
$23.5M
+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%
by Request
6.5%
by Request
7%
by Request
Alternative Use
Use
Estimation
OFFICE BUILDING
$22,910,000
Current use
COMMERCIAL (GENERAL)
$25,385,000
Change: +11% · Conversion: Easy
MEDICAL BUILDING
$24,610,000
Change: +7% · Conversion: Easy
RETAIL STORES
$23,540,000
Change: +3% · Conversion: Moderate
APARTMENT HOUSE (5+ UNITS)
$21,095,000
Change: -8% · Conversion: Easy
Blend value · Realmo final
$16.26M
Range $14.63M – $17.89M · ±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
$149 / 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 2022Property tax & assessments
Tax year 2022
Tax billed
$208,890
Tax year 2022
Assessed value
$4,890,100
Assessed 2022
Previous assessed
$4,890,100
+0.0% YoY
Effective rate
4.27%
On assessed value
Assessed land
$2,233,290
Assessed improvement
$2,656,810
Land market value
$6,699,870
Improvement market value
$7,970,430
Total market value
$14,670,300
Applied tax rate
6,055.0000
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
1978
Heating
NONE
Total area
109,250 SF
Lot
7.19 ac (313,196 SF)
APN
06-23-302-006
UPID
US28-0001577
Jurisdiction
DU PAGE
Metro division
CHICAGO-NAPERVILLE-JOLIET, IL METROPOLITAN DIVISION
Zoning & alternative use
Zoning · permitted uses
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Alternative use value scenarios
Repositioning upside vs current use
OFFICE BUILDING Current
Est. value
$22.9M
COMMERCIAL (GENERAL)
Est. value
$25.4M
MEDICAL BUILDING
Est. value
$24.6M
RETAIL STORES
Est. value
$23.5M
APARTMENT HOUSE (5+ UNITS)
Est. value
$21.1M
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
1978
Heating
NONE
Lot
7.19 ac
Current owner
From public records · entity-resolved
Franklin 1900 Spring Road Lot
Individual
Free & Clear · 7 yrs held
Mailing address
1900 SPG RD STE #100, OAK BROOK, IL 60523-1478
Mailing matches property
Yes
Owner-occupied
Yes
Ownership since
2018
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
4 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Aug 7, 2018
—
Franklin 1900 Spring Road Lot
Franklin 1900 Spring Road LLC
Quit Claim Deed
related
—
Sep 9, 2016
$17,489,500
Franklin 1900 Spring Road LLC
Sj 1900 Spring Road LLC
Grant Deed
—
—
—
Franklin 1900 Spring Road LLC
—
Loan Modification
related
$3,403,795 · First Midwest Bk
—
—
Franklin 1900 Spring Road LLC
—
Loan Modification
related
$3,403,795 · First Midwest 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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