128 Prospect Ave Saint Louis, MO 63122-6024
Entity Owned
2-yr Hold
Free & Clear
Estimated value (blended)
$725k
Range $653k – $798k (±10%)
Property ID
US48-0246227
Property profile
Verified
Property type
Investment properties
Use group
OFFICE/RESIDENTIAL (MIXED USE)
Year built
2015
Construction
FRAME
Total area
3,840 SF
Lot
0.34 ac (14,810 SF)
Zoning code
I1
APN
24M-1-2-127-3
UPID
US48-0246227
Cap rate & NOI
Priority signal for investors
Implied cap rate, NOI & suggested price
Cap rate vs submarket · NOI estimate · 3 price anchors
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
$725k
Comparable Approach
Comparable
$711k
Blend (final)
Blend
$725k
Owner & transaction history
since 2023
4 recorded transactions
Zoning & alternative use
I1 · Saint Louis, MO
Top alternative use upside
Retail stores
$825,000
+17.9%
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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Full NOI reconstruction, selected comps, alternative-use scenarios, data audit and PDF export.
All 19 comparables with addresses
4 alternative uses screened
Sensitivity value band
Source audit · 10 inputs
PDF export
Analytics Standard · 5 reports
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Summary
1
Valuation conclusion
Included free
Estimated market value
$725k
Value range
$653k – $798k
±10% around blend
Estimated value / SF
$189 / SF
Confidence
High
19 county-verified comps
Property data
88
Market benchmarks
67
Comparable evidence
100
$653k
blend $725k
$798k
Market-derived valuation under stabilized market assumptions. Desktop analysis. No physical inspection performed.
2
Subject property
Included free
GBA
3,840 SF
Lot area
0.34 ac
Year built
2015
Stories
2
APN
24M-1-2-127-3
Assessed value
$168,320
Annual tax
$16,662
3
Income approach: direct capitalization
Partial preview
Income approach indication
$725k
Direct capitalization · @ 6.5% CAP return
@ 6% CAP return
$785k
@ 6.5% CAP return
$725k
@ 7% CAP return
$675k
4
Sales comparison
Partial preview
Sales approach indication
$477k
Weighted, 19 comps · high confidence
Evidence
19 found · 6 selected
County-verified recorded sales
Comparable
Sale dateSale price$ / SF
8.1 mi away · 3,067 SF
8.9 mi away · 4,305 SF
12.1 mi away · 3,131 SF
12.9 mi away · 3,164 SF
15.5 mi away · 3,726 SF
5
Sensitivity & risk
Partial preview
Downside
−10%
Base
$725k
Upside
+10%
Bounds of the ±10% band vs the blend — never simulated scenarios.
6
Current market position
Included free
Benchmark
Observed band ($/SF)AverageSubject delta
Submarket 314 sales
$182
+4%
County 86 sales
$88
+114%
Band = middle half (Q1–Q3) of recorded sale $/SF for this use type per geography; the diamond marks the subject at $189/SF. Delta below average reads as headroom. Source: Realmo CRE sales derivatives (county records).
7
Alternative use screening
Partial preview
Top alternative use
Retail Stores
Gross theoretical uplift
+18%
vs current-use indication
Commercial (general) · current use
Medical Building
Office Building
Values shown before conversion costs, entitlement costs, capital expenditures and stabilization risk.
8
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
Actual rent roll
Not available
Tenant leases
Not available
Physical condition
Not inspected
Conversion costs
Not available
Not analyzed due to unavailable source data: tenant leases, physical condition and capital
requirements were not available for this desktop analysis. Cost Approach excluded due to
availability of income evidence.
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.
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Full market tables, editable assumptions, comparable evidence, saved work and exports.
9-scenario matrix
Comparable evidence · 19 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$168k
Move the market yield to see immediate price impact.
Value / SF
$44
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%
$11k
$212k
$151k
$118k
$12k
$236k
$168k
$131k
$13k
$259k
$185k
$144k
NOI sensitivity ±10% across the 5 / 7 / 9% anchors — derivation of the NOI above.
Comparable evidence
Partial preview
Recorded sales nearby
19 found
High confidence · county-verified
Closest comparable
$1.06M
6.4 mi · Jan 2026 · $254/SF
Property tax & assessments
Tax year 2023Property tax & assessments
Tax year 2023
Tax billed
$16,662
Tax year 2023
Assessed value
$168,320
Assessed 2023
Previous assessed
$168,320
+0.0% YoY
Effective rate
9.90%
On assessed value
Assessed land
$16,580
Assessed improvement
$151,740
Land market value
$51,800
Improvement market value
$474,200
Total market value
$526,000
Applied tax rate
116.0000
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
Investment properties
Use group
OFFICE/RESIDENTIAL (MIXED USE)
Status
Off-Market
Year built
2015
Construction
FRAME
Heating
YES
Cooling
CENTRAL
Stories
2
Total area
3,840 SF
Lot
0.34 ac (14,810 SF)
Zoning code
I1
APN
24M-1-2-127-3
UPID
US48-0246227
Jurisdiction
ST LOUIS
Zoning & alternative use
I1 · Saint Louis, MOZoning I1 · permitted uses
I1 · Saint Louis, MO
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
2015
Construction
FRAME
Heating
YES
Cooling
Yes
Stories
2
Lot
0.34 ac
Zoning
The recorded zoning designation, what the district officially allows, and the municipal source it comes from.
Zoning designation
County-recorded code
I1
Jurisdiction
Saint Louis, MO
Recorded code
I1
Zoning Insight
What can be built and operated here — officially.
The district profile from the municipal source: what is on file for I1 in Saint Louis, MO.
What opens after registration
Zoning profile
3 official documentsVerified municipal sources with file download
Match provenanceAssignment basis, match tier and confidence
Private report access
See the official zoning profile for this address.
Registration is required before the official district profile is shown.
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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 · 5 · 30 · 100 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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