Entity Owned 
For Sale
1 / 11
$269,900
1557 Warren Ave, Downers Grove, IL 60515
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Property summary
AI-generated overview
A professional office suite configured for service-oriented uses, featuring a reception area, two conference rooms, and a private office. The interior includes designated copy/mechanical space, custom built-in workstations and storage, a kitchenette, and a private restroom. The suite’s layout provides a combination of front-office and work areas supported by dedicated support space and built-in storage. The property is located in Downers Grove and includes ample outdoor parking for clients and employees, with access to downtown Downers Grove, the Metra station, and major expressways.
Property profile
Verified
Property type
Other commercial real estate
Use group
COMMERCIAL CONDOMINUIM
Year built
2001
Total area
976 SF
Lot
0.55 ac (23,958 SF)
APN
09-07-221-002
UPID
US28-5897350
Cap rate & NOI
Priority signal for investors
Implied cap rate, NOI & suggested price
Cap rate vs submarket · NOI estimate · 3 price anchors
Current use
Occupant on record · Public records
-
Title Company Escrow Service
Location
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
$260k
CAP Approach
CAP
by Request
Comparable Approach
Comparable
by Request
Blend (final)
Blend
$260k
Owner & transaction history
since 2007
2 recorded transactions
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
Value estimation
Instant AI valuation built from comps, income signals, and proprietary benchmarks. A defensible range, not a single guess.
Unlock the complete Valuation workflow
Full NOI reconstruction, selected comps, alternative-use scenarios, data audit and PDF export.
All 7 comparables with addresses
Sensitivity value band
Source audit · 6 inputs
PDF export
Professional Plan · 30 reports
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Summary
1
Valuation conclusion
Included free
Estimated market value
$260k
Value range
$234k – $286k
±10% around blend
Estimated value / SF
$266 / SF
Confidence
High
7 county-verified comps
Property data
88
Market benchmarks
100
Comparable evidence
70
$234k
blend $260k
$286k
Market-derived valuation under stabilized market assumptions. Desktop analysis. No physical inspection performed.
2
Subject property
Included free
GBA
976 SF
Lot area
0.55 ac
Year built
2001
Stories
1
APN
09-07-221-002
Assessed value
$71,080
Annual tax
$4,225
3
Income approach: direct capitalization
Partial preview
Not enough income data on file for a CAP-approach estimation.
4
Sales comparison
Partial preview
Sales approach indication
$142k
Weighted, 7 comps · high confidence
Evidence
7 found · 6 selected
County-verified recorded sales
Comparable
Sale dateSale price$ / SF
13.9 mi away · 1,154 SF
15.3 mi away · 900 SF
18.2 mi away · 1,200 SF
19.7 mi away · 1,233 SF
21.7 mi away · 1,128 SF
5
Sensitivity & risk
Partial preview
Downside
−10%
Base
$260k
Upside
+10%
Bounds of the ±10% band vs the blend — never simulated scenarios.
6
Current market position
Included free
Benchmark
Observed band ($/SF)AverageSubject delta
ZIP 61 sales
$247
+8%
Submarket 78 sales
$221
+21%
County 712 sales
$205
+30%
Band = middle half (Q1–Q3) of recorded sale $/SF for this use type per geography; the diamond marks the subject at $266/SF. Delta below average reads as headroom. Source: Realmo CRE sales derivatives (county records).
7
Data & methodology
Included free
Building area
County record
Property tax
County record
Assessed value
County record
Zoning designation
Not available
Operating expenses
Not available
Market rent
Not available
Not analyzed due to unavailable source data: actual rent roll, tenant leases, physical condition and capital
requirements are outside a desktop analysis.
Cost Approach excluded: replacement-cost inputs are not on file.
Automated valuation analysis, not a licensed appraisal. Figures are derived from public
records and proprietary models. Desktop analysis: no physical inspection, tenant leases or reported
property income. Verify with a licensed appraiser before transacting.
Cap rate
Cap rate calculated from real income and expense signals, benchmarked against sales of similar assets nearby.
Unlock the complete Cap Rate workflow
Full market tables, editable assumptions, comparable evidence, saved work and exports.
9-scenario matrix
Comparable evidence · 7 sales
Market rates by use type
PDF export
Professional Plan · 30 reports
from $99/month
from $99/month
Overview
No cap rate is computable for this property yet: no recorded sale, income signal or market-rate row for its use type.
Price sensitivity
The rate is the decision lever; valuation is the consequence.
Test a cap rate
Implied value$71k
Move the market yield to see immediate price impact.
Value / SF
$73
Vs. selected
Base
Derivation
NOI ÷ cap
Arithmetic over the derived NOI * — not market scenario modeling.
NOI × cap matrix
Preview
Preview of 9 modeled outcomes.
NOI
5.00%7.00%9.00%
$4k
$90k
$64k
$50k
$5k
$100k
$71k
$55k
$5k
$109k
$78k
$61k
NOI sensitivity ±10% across the 5 / 7 / 9% anchors — derivation of the NOI above.
Comparable evidence
Partial preview
Recorded sales nearby
7 found
High confidence · county-verified
Closest comparable
$90k
13.8 mi · May 2026 · $104/SF
Property tax & assessments
Tax year 2023Property tax & assessments
Tax year 2023
Tax billed
$4,225
Tax year 2023
Assessed value
$71,080
Assessed 2023
Previous assessed
$65,810
+8.0% YoY
Effective rate
5.94%
On assessed value
Assessed land
$8,060
Assessed improvement
$63,020
Land market value
$24,180
Improvement market value
$189,060
Total market value
$213,240
Applied tax rate
9,026.0000
Automated cap rate analysis. Based on public records, market benchmarks and proprietary
models. Verify with a licensed professional before transacting.
Property description
Physical attributes from public recordsBuilding & lot
Public records
Property type
Other commercial real estate
Use group
COMMERCIAL CONDOMINUIM
Status
For Sale
Year built
2001
Heating
NONE
Stories
1
Total area
976 SF
Lot
0.55 ac (23,958 SF)
APN
09-07-221-002
UPID
US28-5897350
Jurisdiction
DU PAGE
Metro division
CHICAGO-NAPERVILLE-JOLIET, IL METROPOLITAN DIVISION
Zoning & alternative use
Zoning · permitted uses
No zoning code is on file for this parcel. Zoning coverage grows with every catalog release.
Building & site characteristics
From public records
Year built
2001
Heating
NONE
Stories
1
Lot
0.55 ac
Zoning
The recorded zoning designation, what the district officially allows, and the municipal source it comes from.
No zoning code is on file for this parcel. Zoning coverage grows with every catalog release — check back, or open Location Intelligence for use analysis of this corner.
Ownership Intelligence
Find the owner behind the property.
Unlock the evidence behind ownership: portfolio, transactions, debt and signals that help you decide who to contact next.
What opens after registration
Ownership report
Owner identityResolved entity and name variants
Portfolio holdingsLinked properties and estimated value
Deal signalsSell-side activity worth following
Debt & historyRecorded loans and transaction history
Private report access
See the ownership record for this address.
Registration is required before any owner information is shown.
One complete report on every paid plan · 30 · 300 reports per month.
Owner of record and activity signals are derived from public records and modeled classifications.
They do not confirm beneficial ownership or intent to transact.
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“Is 15.6% cap rate sustainable?” · “Best tenant mix for BU1?” · “What’s the redev upside?”
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