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Property profile & analytics
OFF-MARKET
Office Spaces
100 Illinois St Saint Charles, IL 60174-1866
Entity Owned
4-yr Hold
~
Est. High Equity
Property ID
US28-3285850
Property summary
AI-generated overview
This exceptional 5,636 square foot office space is located in the prestigious Plaza building at 100 Illinois St, St. Charles, IL 60174. Built in 2008, this three-story building offers a blend of traditional and creative office layouts, perfect for a corporate headquarters. The suite boasts stunning views overlooking the St. Charles shopping and dining plaza and the Fox River, with convenient access to biking and walking trails. The property features a total of 52,000 square feet, with this specific suite representing the entire building's current vacancy. Public parking is readily available in a nearby deck. The building includes elevators for easy access to all three floors. The minimum divisible space is 5,636 square feet, and the maximum contiguous space available is also 5,636 square feet. This presents a unique opportunity for a single tenant to occupy the entire building. The space was previously occupied by XSport Fitness as their headquarters. This location offers an ideal Chicagoland headquarters location with excellent amenities and accessibility.
Property profile
Verified
Property type
Office Spaces
Use group
OFFICE (GENERAL)
Year built
2008
Total area
29,592 SF
Lot
0.15 ac (6,451 SF)
APN
09-34-126-035
UPID
US28-3285850
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
-
Effective Data Inc. Business Management Consultant
-
Balta Design Marketing & Advertising (Bike/Boat/Book/etc) Store
-
PassCamp (Bike/Boat/Book/etc) Store Corporate Office
-
STG Divorce Law Law Firm
-
Melei Petsche Spencer Law Firm
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
by Request
Comparable Approach
Comparable
by Request
Blend (final)
Blend
by Request
Owner & transaction history
T First Street Il LLC · 4 yrs held
T First Street Il LLC
since 2021
Last sale
$12.5M
2 recorded transactions
Zoning & alternative use
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 Saint Charles submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Saint Charles 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
CAP Approach
Comparable Approach
Alternative Use
Get a detailed, property-specific estimation — fast and free
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 2022Property tax & assessments
Tax year 2022
Tax billed
$98,645
Tax year 2022
Assessed value
$1,053,649
Assessed 2022
Previous assessed
$914,111
+15.3% YoY
Effective rate
9.36%
On assessed value
Assessed land
$107,096
Assessed improvement
$946,553
Land market value
$321,288
Improvement market value
$2,839,659
Total market value
$3,160,947
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
Off-Market
Year built
2008
Heating
NONE
Stories
1
Total area
29,592 SF
Lot
0.15 ac (6,451 SF)
APN
09-34-126-035
UPID
US28-3285850
Jurisdiction
KANE
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
Building & site characteristics
From public records
Year built
2008
Heating
NONE
Stories
1
Lot
0.15 ac
Current owner
From public records · entity-resolved
T First Street Il LLC
Entity
Mailing address
16600 DALLAS PKWY STE #300, DALLAS, TX 75248-2610
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
2 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Nov 30, 2021
$12,500,000
T First Street Il LLC
First Street Development LLC
Special Warranty Deed
$18,750,000 · Goldman Sachs Bank USA
Oct 17, 2016
—
First Street Dev LLC
—
Loan Modification
related
$12,380,000 · 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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