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Property profile & analytics
OFF-MARKET
Estimated value
$5,100,000
Medical Office Space
4355 Montgomery Rd, Naperville, IL 60564
Entity Owned
2-yr Hold
Absentee Owner
~
Est. High Equity
Property ID
US28-1327907
Property profile
Verified
Property type
Medical Office Space
Use group
MEDICAL BUILDING
Year built
2005
Total area
15,894 SF
Lot
1.1 ac (47,916 SF)
Zoning code
C
APN
07-33-400-032
UPID
US28-1327907
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
-
Midwest Center Advanced Imaging Medical Clinic
-
Dr. Doris R. Stair, MD Physician Medical Clinic
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
$5.10M
CAP Approach
CAP
$3.35M
Comparable Approach
Comparable
$3.35M
Blend (final)
Blend
$5.10M
Owner & transaction history
Naperville 4355 Mp Rk6 LLC · 2 yrs held
Naperville 4355 Mp Rk6 LLC
since 2024
Last sale
$5.1M
7 recorded transactions
Zoning & alternative use
C · Naperville, IL
Permitted uses
Permitted uses
Allowed · conditional · prohibited
Top alternative use upside
Retail stores
$6.6M
+83.5%
Auto repair, garage
$5.6M
+57.1%
Restaurant
$4.9M
+38.1%
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 Naperville submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Naperville 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
$5,100,000
ML approach
$5,100,000
CAP Approach
CAP Return
Estimation
6%
$3,625,000
6.5%
$3,345,000
7%
$3,105,000
Alternative Use
Use
Estimation
MEDICAL BUILDING
$3,580,000
Current use
RETAIL STORES
$6,570,000
Change: +83% · Conversion: Difficult
AUTO REPAIR, GARAGE
$5,625,000
Change: +57% · Conversion: Difficult
RESTAURANT
$4,940,000
Change: +38% · Conversion: Difficult
COMMERCIAL (GENERAL)
$3,680,000
Change: +3% · Conversion: Easy
OFFICE BUILDING
$3,435,000
Change: -4% · Conversion: Easy
INDUSTRIAL (GENERAL)
$3,400,000
Change: -5% · Conversion: Difficult
Blend value · Realmo final
$5.10M
Range $4.59M – $5.61M · ±10% · vs last sale $5.10M (Apr 3 2024)
Last sale anchor
$5.10M
Apr 3 2024
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
$321 / 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
$73,633
Tax year 2023
Assessed value
$917,760
Assessed 2023
Previous assessed
$1,036,580
-11.5% YoY
Effective rate
8.02%
On assessed value
Assessed land
$65,290
Assessed improvement
$852,470
Land market value
$195,870
Improvement market value
$2,557,410
Total market value
$2,753,280
Applied tax rate
7,086.0000
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
Medical Office Space
Use group
MEDICAL BUILDING
Status
Off-Market
Year built
2005
Heating
NONE
Total area
15,894 SF
Lot
1.1 ac (47,916 SF)
Zoning code
C
APN
07-33-400-032
UPID
US28-1327907
Jurisdiction
DU PAGE
Metro division
CHICAGO-NAPERVILLE-JOLIET, IL METROPOLITAN DIVISION
Zoning & alternative use
C · Naperville, IL
Zoning C · permitted uses
C · Naperville, IL
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Naperville. Always verify with local authorities before improvements.
Alternative use value scenarios
Repositioning upside vs current use
MEDICAL BUILDING Current
Est. value
$3.6M
RETAIL STORES
Est. value
$6.6M
AUTO REPAIR, GARAGE
Est. value
$5.6M
RESTAURANT
Est. value
$4.9M
COMMERCIAL (GENERAL)
Est. value
$3.7M
OFFICE BUILDING
Est. value
$3.4M
INDUSTRIAL (GENERAL)
Est. value
$3.4M
MEDICAL BUILDING Current
RETAIL STORES
AUTO REPAIR, GARAGE
RESTAURANT
COMMERCIAL (GENERAL)
OFFICE BUILDING
INDUSTRIAL (GENERAL)
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
2005
Heating
NONE
Lot
1.1 ac
Current owner
From public records · entity-resolved
Naperville 4355 Mp Rk6 LLC
Entity
Mailing address
800 W MADISON ST #40, CHICAGO, IL 60607-2481
Mailing matches property
Different — outreach signal
Owner-occupied
No
Ownership since
2024
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
9 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Apr 3, 2024
$5,100,000
Naperville 4355 Mp Rk6 LLC
Broadstone Cmh Illinois LLC
Special Warranty Deed
$175,605,000 · Bmo Bank NA
Jan 11, 2019
$6,919,500
Broadstone Cmh Illinois LLC
Elliott Bay Healthcare Realty
Grant Deed
—
May 19, 2017
$6,600,000
Elliott Bay Healthcare Realty
Montgomery Road Properties LLC
Grant Deed
—
Jul 17, 2007
—
Bushnell Center LLC
Trust 101071
Grant Deed
$4,100,000 · Column Financial INC
May 19, 2005
—
Trust 101071
Trust 9333
Quit Claim Deed
$3,400,000 · Royal American Bank
Oct 28, 2004
—
Trust 9333
Paul J Lehman LLC
Warranty Deed
related
$2,325,000 · Old Second National Bank
Jan 9, 2001
—
Macom Corp
—
Deed Of Trust
related
$1,521,750 · Oxford Bank & Trust
Mar 5, 1999
—
Macom Corp
—
Grant Deed
related
$1,272,000 · West Suburban Bank
—
—
Montgomery Road Properties LLC
—
Deed Of Trust
related
$3,150,000 · First Bank & Trust
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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