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Property profile & analytics
OFF-MARKET
Estimated value
$525,000
Commercial real estate
8301 Lemont Rd, Darien, IL 60561-1732
Entity Owned
Free & Clear
Property ID
US28-1397327
Property profile
Verified
Property type
Commercial real estate
Use group
COMMERCIAL (GENERAL)
Year built
1996
Total area
2,413 SF
Lot
0.73 ac (31,799 SF)
Zoning code
C
APN
09-32-106-020
UPID
US28-1397327
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
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
$405k
CAP Approach
CAP
$625k
Comparable Approach
Comparable
$629k
Blend (final)
Blend
$525k
Owner & transaction history
County Of Dupage
County Of Dupage
since 2026
2 recorded transactions
Zoning & alternative use
C · Darien, IL
Permitted uses
Permitted uses
Allowed · conditional · prohibited
Top alternative use upside
Auto repair, garage
$855,000
+84.6%
Office building
$545,000
+17.9%
Medical building
$545,000
+17.5%
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 Darien submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Darien 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
$405,000
CAP Approach
CAP Return
Estimation
6%
$680,000
6.5%
$625,000
7%
$580,000
Alternative Use
Use
Estimation
COMMERCIAL (GENERAL)
$465,000
Current use
AUTO REPAIR, GARAGE
$855,000
Change: +85% · Conversion: Difficult
OFFICE BUILDING
$545,000
Change: +18% · Conversion: Easy
MEDICAL BUILDING
$545,000
Change: +18% · Conversion: Easy
RETAIL STORES
$520,000
Change: +12% · Conversion: Easy
Blend value · Realmo final
$525k
Range $473k – $578k · ±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
$218 / 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
$20,874
Tax year 2022
Assessed value
$328,450
Assessed 2022
Previous assessed
$324,710
+1.2% YoY
Effective rate
6.36%
On assessed value
Assessed land
$72,030
Assessed improvement
$256,420
Land market value
$216,090
Improvement market value
$769,260
Total market value
$985,350
Applied tax rate
9,375.0000
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
Commercial real estate
Use group
COMMERCIAL (GENERAL)
Status
Off-Market
Year built
1996
Heating
NONE
Stories
1
Total area
2,413 SF
Lot
0.73 ac (31,799 SF)
Zoning code
C
APN
09-32-106-020
UPID
US28-1397327
Jurisdiction
DU PAGE
Metro division
CHICAGO-NAPERVILLE-JOLIET, IL METROPOLITAN DIVISION
Zoning & alternative use
C · Darien, IL
Zoning C · permitted uses
C · Darien, IL
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Darien. Always verify with local authorities before improvements.
Alternative use value scenarios
Repositioning upside vs current use
COMMERCIAL (GENERAL) Current
Est. value
$465,000
AUTO REPAIR, GARAGE
Est. value
$855,000
OFFICE BUILDING
Est. value
$545,000
MEDICAL BUILDING
Est. value
$545,000
RETAIL STORES
Est. value
$520,000
COMMERCIAL (GENERAL) Current
AUTO REPAIR, GARAGE
OFFICE BUILDING
MEDICAL BUILDING
RETAIL STORES
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
1996
Heating
NONE
Stories
1
Lot
0.73 ac
Current owner
From public records · entity-resolved
County Of Dupage
Entity
Free & Clear · 0 yrs held
Mailing address
421 N COUNTY FARM RD, WHEATON, IL 60187-3978
Ownership since
2026
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
2 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Apr 9, 2026
$147,900
County Of Dupage
Speedway LLC
Deed
—
Jun 13, 2023
—
County Of Dupage
Speedway LLC
Warranty Deed
—
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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