Entity Owned 
For Sale
1 / 4
$5,750,000
1001 W 31St St, Downers Grove, IL 60515
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Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING
Year built
1981
Total area
42,000 SF
Lot
2.75 ac (119,790 SF)
Zoning code
C
APN
06-32-100-012
UPID
US28-0459612
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
-
Metal Fabrication Plant Factory
-
Business Management Consultant
-
Marketing & Advertising
-
Financial Advisor
-
General Contractor
Location
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
$5.29M
CAP Approach
CAP
by Request
Comparable Approach
Comparable
$6.02M
Blend (final)
Blend
$5.75M
Owner & transaction history
since 2022
Last sale
$5.0M
5 recorded transactions
Zoning & alternative use
C · Downers Grove, IL
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.
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Unlock the complete Valuation workflow
Full NOI reconstruction, selected comps, alternative-use scenarios, data audit and PDF export.
All 3 comparables with addresses
Sensitivity value band
Source audit · 6 inputs
PDF export
Analytics Standard · 5 reports
from $99/month
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Summary
1
Valuation conclusion
Included free
Estimated market value
$5.75M
Value range
$5.18M – $6.33M
±10% around blend
Estimated value / SF
$137 / SF
Confidence
Low
3 county-verified comps
Property data
88
Market benchmarks
33
Comparable evidence
30
$5.18M
blend $5.75M
$6.33M
Market-derived valuation under stabilized market assumptions. Desktop analysis. No physical inspection performed.
2
Subject property
Included free
GBA
42,000 SF
Lot area
2.75 ac
Year built
1981
APN
06-32-100-012
Zoning
C
Assessed value
$1,276,810
Annual tax
$76,002
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
$7.26M
Weighted, 3 comps · low confidence
Evidence
3 found · 3 selected
County-verified recorded sales
Comparable
Sale dateSale price$ / SF
19.6 mi away · 46,700 SF
19.7 mi away · 51,900 SF
5
Sensitivity & risk
Partial preview
Downside
−10%
Base
$5.75M
Upside
+10%
Bounds of the ±10% band vs the blend — never simulated scenarios.
6
Current market position
Included free
Benchmark
Observed band ($/SF)AverageSubject delta
County 298 sales
$179
-24%
Band = middle half (Q1–Q3) of recorded sale $/SF for this use type per geography; the diamond marks the subject at $137/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
County record
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.
17% off on annual
Unlock the complete Cap Rate workflow
Full market tables, editable assumptions, comparable evidence, saved work and exports.
9-scenario matrix
Comparable evidence · 3 sales
Market rates by use type
PDF export
Analytics Standard · 5 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$4.95M
Move the market yield to see immediate price impact.
Value / SF
$118
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%
$312k
$6.24M
$4.46M
$3.47M
$347k
$6.93M
$4.95M
$3.85M
$381k
$7.62M
$5.44M
$4.24M
NOI sensitivity ±10% across the 5 / 7 / 9% anchors — derivation of the NOI above.
Comparable evidence
Partial preview
Recorded sales nearby
3 found
Low confidence · county-verified
Closest comparable
$19.50M
19.3 mi · Mar 2026 · $648/SF
Property tax & assessments
Tax year 2023Property tax & assessments
Tax year 2023
Tax billed
$76,002
Tax year 2023
Assessed value
$1,276,810
Assessed 2023
Previous assessed
$1,215,080
+5.1% YoY
Effective rate
5.95%
On assessed value
Assessed land
$552,270
Assessed improvement
$724,540
Land market value
$1,656,810
Improvement market value
$2,173,620
Total market value
$3,830,430
Applied tax rate
6,123.0000
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
Office buildings
Use group
OFFICE BUILDING
Status
For Sale
Year built
1981
Heating
NONE
Total area
42,000 SF
Lot
2.75 ac (119,790 SF)
Zoning code
C
APN
06-32-100-012
UPID
US28-0459612
Jurisdiction
DU PAGE
Metro division
CHICAGO-NAPERVILLE-JOLIET, IL METROPOLITAN DIVISION
Zoning & alternative use
C · Downers Grove, ILZoning C · permitted uses
C · Downers Grove, IL
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Alternative use value scenarios
Repositioning upside vs current use
Alternative use deep dive — conversion cost, permits, timeline
Conversion cost estimate · Permit path & risks · Stabilized NOI per option
Building & site characteristics
From public records
Year built
1981
Heating
NONE
Lot
2.75 ac
Zoning
The recorded zoning designation, what the district officially allows, and the municipal source it comes from.
Zoning designation
County-recorded code
C
Jurisdiction
Downers Grove, IL
Recorded code
C
Ownership Intelligence
Find the owner behind the property.
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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.
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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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