4102 Marlborough Ave San Diego, CA 92105-1462
Entity Owned
1-yr Hold
Absentee Owner
~
Est. High Equity
Estimated value (blended)
$5.13M
Range $4.62M – $5.64M (±10%)
Implied cap rate
6.30%
In-place · NOI ÷ last sale
Property ID
US09-7697344
Property profile
Verified
Property type
Apartment buildings
Use group
APARTMENT HOUSE (5+ UNITS)
Year built
1981
Total area
17,290 SF
Lot
0.39 ac (17,018 SF)
Zoning code
COMMERCIAL
APN
454-753-31-00
UPID
US09-7697344
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
$5.13M
CAP Approach
CAP
$4.98M
Comparable Approach
Comparable
$5.57M
Blend (final)
Blend
$5.13M
Owner & transaction history
since 2025
Last sale
$5.1M
7 recorded transactions
Zoning & alternative use
COMMERCIAL · San Diego, CA
Top alternative use upside
Retail stores
$8.0M
+94.5%
Office building
$7.3M
+76.8%
Industrial (general)
$7.0M
+68.4%
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 8 comparables with addresses
4 alternative uses screened
Sensitivity value band
Source audit · 10 inputs
PDF export
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Summary
1
Valuation conclusion
Included free
Estimated market value
$5.13M
Value range
$4.62M – $5.64M
±10% around blend
Estimated value / SF
$297 / SF
Confidence
High
8 county-verified comps
Property data
75
Market benchmarks
100
Comparable evidence
80
$4.62M
blend $5.13M
$5.64M
Market-derived valuation under stabilized market assumptions. Desktop analysis. No physical inspection performed.
2
Subject property
Included free
GBA
17,290 SF
Lot area
0.39 ac
Year built
1981
APN
454-753-31-00
Assessed value
$4,643,344
Annual tax
$57,124
3
Income approach: direct capitalization
Partial preview
Income approach indication
$4.98M
Direct capitalization · @ 6.5% CAP return
@ 6% CAP return
$5.39M
@ 6.5% CAP return
$4.98M
@ 7% CAP return
$4.62M
4
Sales comparison
Partial preview
Sales approach indication
$4.73M
Weighted, 8 comps · high confidence
Evidence
8 found · 6 selected
County-verified recorded sales
Comparable
Sale dateSale price$ / SF
2.9 mi away · 14,189 SF
3.4 mi away · 17,982 SF
4.0 mi away · 18,202 SF
5.4 mi away · 19,122 SF
7.8 mi away · 12,360 SF
5
Sensitivity & risk
Partial preview
Downside
−10%
Base
$5.13M
Upside
+10%
Bounds of the ±10% band vs the blend — never simulated scenarios.
6
Current market position
Included free
Benchmark
Observed band ($/SF)AverageSubject delta
ZIP 164 sales
$239
+24%
Submarket 1257 sales
$333
-11%
County 2072 sales
$315
-6%
Band = middle half (Q1–Q3) of recorded sale $/SF for this use type per geography; the diamond marks the subject at $297/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
+94%
vs current-use indication
Office Building
Industrial (general)
Apartment House (5+ Units) · current use
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.
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 · 8 sales
Market rates by use type
PDF export
Analytics Standard · 5 reports
from $99/month
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Overview
Implied cap rate
6.30%
Implied, in-place cap rate for this apartment buildings
Estimated NOI ÷ last recorded sale. Refine with your own numbers in the full report.
Lower yield / higher price
Higher yield / lower price
5.0%
This property · 6.30%
9.0%
NOI (est.)
$359k *
Last sale · Sep 2024
$5.13M
* derived from a real price signal at a 7% cap
Price sensitivity
The rate is the decision lever; valuation is the consequence.
Test a cap rate
Implied value$5.70M
Move the market yield to see immediate price impact.
Value / SF
$330
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
5.80%6.30%6.80%
$323k
$5.57M
$5.13M
$4.75M
$359k
$6.19M
$5.70M
$5.28M
$395k
$6.81M
$6.27M
$5.81M
NOI sensitivity ±10% across the selected-rate band (±0.5 pp) — derivation of the NOI above.
Comparable evidence
Partial preview
Recorded sales nearby
8 found
High confidence · county-verified
Closest comparable
$3.50M
1.7 mi · Dec 2025 · $230/SF
Property tax & assessments
Tax year 2024Property tax & assessments
Tax year 2024
Tax billed
$57,124
Tax year 2024
Assessed value
$4,643,344
Assessed 2024
Previous assessed
$4,643,344
+0.0% YoY
Effective rate
1.23%
On assessed value
Assessed land
$2,208,726
Assessed improvement
$2,434,618
Applied tax rate
8.0000
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
Apartment buildings
Use group
APARTMENT HOUSE (5+ UNITS)
Status
Off-Market
Year built
1981
Heating
NONE
Units
18
Total area
17,290 SF
Lot
0.39 ac (17,018 SF)
Zoning code
COMMERCIAL
APN
454-753-31-00
UPID
US09-7697344
Jurisdiction
SAN DIEGO
Zoning & alternative use
COMMERCIAL · San Diego, CAZoning COMMERCIAL · permitted uses
COMMERCIAL · San Diego, CA
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
Units
18
Lot
0.39 ac
Zoning
The recorded zoning designation, what the district officially allows, and the municipal source it comes from.
Zoning designation
County-recorded code
COMMERCIAL
Jurisdiction
San Diego, CA
Recorded code
COMMERCIAL
Zoning Insight
What can be built and operated here — officially.
The district profile from the municipal source: what is on file for COMMERCIAL in San Diego, CA.
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.
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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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