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Property profile & analytics
FOR LEASE
Office Spaces
5100 Main St, Downers Grove, IL 60515
Entity Owned
4-yr Hold
Absentee Owner
~
Est. High Equity
Property ID
US28-2604518
For Lease
1 / 3
$17 SF/Yr
5100 Main St, Downers Grove, IL 60515
View Listing →
Property profile
Verified
Property type
Office Spaces
Use group
OFFICE (GENERAL)
Lot
0.02 ac (871 SF)
Zoning code
V
APN
09-08-129-007
UPID
US28-2604518
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
-
Product Design Inc Research And Product Development
-
Radiant Logic, Inc - Chicago Office (Bike/Boat/Book/etc) Store Corporate Office
-
Blue Sky Investment Group, LLC Corporate Office Financial Advisor
-
Peet's Coffee Cafe & Coffee Shop
-
Allen Lund Co Trucking Company
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
$4.58M
CAP Approach
CAP
by Request
Comparable Approach
Comparable
by Request
Blend (final)
Blend
$4.09M
Owner & transaction history
Saxton Dg LLC · 4 yrs held
Saxton Dg LLC
since 2021
Last sale
$3.7M
5 recorded transactions
Zoning & alternative use
V · Downers Grove, 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 Downers Grove submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Downers Grove 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
$4,385,000
ML approach
$4,575,000
CAP Approach
CAP Return
Estimation
6%
by Request
6.5%
by Request
7%
by Request
Blend value · Realmo final
$4.09M
Range $3.68M – $4.50M · ±10% · vs last sale $3.70M (Dec 8 2021)
Last sale anchor
$3.70M
Dec 8 2021
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
—
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
$746
Tax year 2023
Assessed value
$11,080
Assessed 2023
Previous assessed
$10,260
+8.0% YoY
Effective rate
6.73%
On assessed value
Assessed land
$11,080
Land market value
$33,240
Total market value
$33,240
Applied tax rate
9,584.0000
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 Spaces
Use group
OFFICE (GENERAL)
Status
For Lease
Heating
NONE
Lot
0.02 ac (871 SF)
Zoning code
V
APN
09-08-129-007
UPID
US28-2604518
Jurisdiction
DU PAGE
Metro division
CHICAGO-NAPERVILLE-JOLIET, IL METROPOLITAN DIVISION
Zoning & alternative use
V · Downers Grove, IL
Zoning V · permitted uses
V · Downers Grove, IL
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Downers Grove. Always verify with local authorities before improvements.
Building & site characteristics
From public records
Heating
NONE
Lot
0.02 ac
Current owner
From public records · entity-resolved
Saxton Dg LLC
Entity
Mailing address
6677 N LINCOLN AVE STE #410, LINCOLNWOOD, IL 60712-3634
Mailing matches property
Different — outreach signal
Owner-occupied
No
Ownership since
2021
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
5 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Mar 9, 2026
—
5100 Main Street LLC
—
Deed
related
$4,000,000 · Covantage Cu
Dec 8, 2021
$3,700,000
Saxton Dg LLC
Baum Downers Grove LLC
Special Warranty Deed
$5,550,000 · Heartland Bank & Trust Co
May 30, 2017
—
Baum Downers Grove LLC
—
Loan Modification
related
$1,835,739 · Mb Fin'l Bk
—
—
Baum Downers Grove LLC
—
Deed Of Trust
related
$2,070,828 · Mb Financial Bank NA
—
—
Baum Downers Grove LLC
—
Deed Of Trust
related
$2,200,000 · Reliastar Life Insurance Co
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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