Entity Owned 
For Lease
1 / 11
$20 SF/Yr
434 W Ontario St,Unit 4, Chicago, IL 60610
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Property summary
AI-generated overview
The property is a 4,937-square-foot office space within an elevator-served building, featuring heavy timber loft construction with ceilings exceeding 12 feet and exposed wood beams. The interior layout includes three private window offices, a large conference room, and a kitchenette/break room, along with built-in cabinets, drawers, and drawing stations and hardwood flooring. Supporting spaces include in-suite men’s and women’s restrooms and a large storage room. The building includes a round reception area that is accessible directly from the elevator, and the south side of the office provides a full window line; the space is also set up to accommodate signage.
Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING (MULTI-STORY)
Year built
1911
Total area
133,400 SF
Lot
0.11 ac (5,000 SF)
APN
17-09-127-019
UPID
US28-5752046
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
-
Charitable Organization Social Service Agency
-
Alternative Medicine Practice
-
Dental Office
-
Dental Office
-
Dental Office
Location
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
by Request
Comparable Approach
Comparable
$2.39M
Blend (final)
Blend
$3.74M
Owner & transaction history
since 2004
7 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.
Sensitivity value band
Source audit · 6 inputs
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Summary
1
Valuation conclusion
Included free
Estimated market value
$3.74M
Value range
$3.37M – $4.11M
±10% around blend
Estimated value / SF
$28 / SF
Confidence
Property data
88
Market benchmarks
100
Comparable evidence
60
$3.37M
blend $3.74M
$4.11M
Market-derived valuation under stabilized market assumptions. Desktop analysis. No physical inspection performed.
2
Subject property
Included free
GBA
133,400 SF
Lot area
0.11 ac
Year built
1911
Stories
7
APN
17-09-127-019
Assessed value
$745,825
Annual tax
$153,403
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
$2.39M
Range $2.39M – $6.05M
Evidence
6 found
Recent peer sales in this city
5
Sensitivity & risk
Partial preview
Downside
−10%
Base
$3.74M
Upside
+10%
Bounds of the ±10% band vs the blend — never simulated scenarios.
6
Current market position
Included free
Benchmark
Observed band ($/SF)AverageSubject delta
ZIP 21 sales
$152
-82%
Submarket 152 sales
$135
-79%
County 159 sales
$134
-79%
Band = middle half (Q1–Q3) of recorded sale $/SF for this use type per geography; the diamond marks the subject at $28/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
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$746k
Move the market yield to see immediate price impact.
Value / SF
$6
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%
$47k
$940k
$671k
$522k
$52k
$1.04M
$746k
$580k
$57k
$1.15M
$820k
$638k
NOI sensitivity ±10% across the 5 / 7 / 9% anchors — derivation of the NOI above.
Property tax & assessments
Tax year 2022Property tax & assessments
Tax year 2022
Tax billed
$153,403
Tax year 2022
Assessed value
$745,825
Assessed 2022
Previous assessed
$764,407
-2.4% YoY
Effective rate
20.57%
On assessed value
Assessed land
$250,000
Assessed improvement
$495,825
Land market value
$1,000,000
Improvement market value
$1,983,300
Total market value
$2,983,300
Applied tax rate
74,002.0000
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 (MULTI-STORY)
Status
For Lease
Year built
1911
Heating
NONE
Stories
7
Total area
133,400 SF
Lot
0.11 ac (5,000 SF)
APN
17-09-127-019
UPID
US28-5752046
Jurisdiction
COOK
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
1911
Heating
NONE
Stories
7
Lot
0.11 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.
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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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