Entity Owned 
For Lease
1 / 41
$1.00 SF/Yr
23555 Golden Springs Dr, Diamond Bar, CA 91765
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Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING
Year built
1986
Construction
WOOD
Total area
11,562 SF
Lot
0.53 ac (22,940 SF)
Zoning code
LCC1*
APN
8281-010-027
UPID
US09-7580600
Cap rate & NOI
Priority signal for investors
Implied cap rate, NOI & suggested price
Cap rate vs submarket · NOI estimate · 3 price anchors
Location
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
$3.06M
Comparable Approach
Comparable
$1.68M
Blend (final)
Blend
$2.56M
Owner & transaction history
since 2025
3 recorded transactions
Zoning & alternative use
LCC1* · Diamond Bar, CA
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 10 comparables with addresses
Sensitivity value band
Source audit · 6 inputs
PDF export
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Summary
1
Valuation conclusion
Included free
Estimated market value
$2.56M
Value range
$2.30M – $2.81M
±10% around blend
Estimated value / SF
$221 / SF
Confidence
High
10 county-verified comps
Property data
100
Market benchmarks
100
Comparable evidence
100
$2.30M
blend $2.56M
$2.81M
Market-derived valuation under stabilized market assumptions. Desktop analysis. No physical inspection performed.
2
Subject property
Included free
GBA
11,562 SF
Lot area
0.53 ac
Year built
1986
Stories
1
APN
8281-010-027
Zoning
LCC1*
Assessed value
$1,622,063
Annual tax
$23,560
3
Income approach: direct capitalization
Partial preview
Income approach indication
$3.06M
Direct capitalization · @ 6.5% CAP return
@ 6% CAP return
$3.32M
@ 6.5% CAP return
$3.06M
@ 7% CAP return
$2.85M
4
Sales comparison
Partial preview
Sales approach indication
$3.47M
Weighted, 10 comps · high confidence
Evidence
10 found · 6 selected
County-verified recorded sales
Comparable
Sale dateSale price$ / SF
7.2 mi away · 8,430 SF
8.4 mi away · 9,317 SF
13.8 mi away · 10,000 SF
17.2 mi away · 10,485 SF
17.5 mi away · 10,203 SF
5
Sensitivity & risk
Partial preview
Downside
−10%
Base
$2.56M
Upside
+10%
Bounds of the ±10% band vs the blend — never simulated scenarios.
6
Current market position
Included free
Benchmark
Observed band ($/SF)AverageSubject delta
ZIP 42 sales
$510
-57%
Submarket 106 sales
$400
-45%
County 2758 sales
$449
-51%
Band = middle half (Q1–Q3) of recorded sale $/SF for this use type per geography; the diamond marks the subject at $221/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
Modeled
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: income and sales evidence cover the value conclusion.
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 · 10 sales
Market rates by use type
PDF export
Professional Plan · 30 reports
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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$1.62M
Move the market yield to see immediate price impact.
Value / SF
$140
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%
$102k
$2.04M
$1.46M
$1.14M
$114k
$2.27M
$1.62M
$1.26M
$125k
$2.50M
$1.78M
$1.39M
NOI sensitivity ±10% across the 5 / 7 / 9% anchors — derivation of the NOI above.
Comparable evidence
Partial preview
Recorded sales nearby
10 found
High confidence · county-verified
Closest comparable
$3.99M
5.4 mi · Dec 2025 · $368/SF
Property tax & assessments
Tax year 2024Property tax & assessments
Tax year 2024
Tax billed
$23,560
Tax year 2024
Assessed value
$1,622,063
Assessed 2024
Previous assessed
$1,622,063
+0.0% YoY
Effective rate
1.45%
On assessed value
Assessed land
$443,181
Assessed improvement
$1,178,882
Applied tax rate
10.0000
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 Lease
Year built
1986
Construction
WOOD
Heating
NONE
Stories
1
Total area
11,562 SF
Lot
0.53 ac (22,940 SF)
Zoning code
LCC1*
APN
8281-010-027
UPID
US09-7580600
Jurisdiction
LOS ANGELES
Metro division
LOS ANGELES-LONG BEACH-GLENDALE, CA METROPOLITAN DIVISION
Zoning & alternative use
LCC1* · Diamond Bar, CAZoning LCC1* · permitted uses
LCC1* · Diamond Bar, CA
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Building & site characteristics
From public records
Year built
1986
Construction
WOOD
Heating
NONE
Stories
1
Lot
0.53 ac
Zoning
The recorded zoning designation, what the district officially allows, and the municipal source it comes from.
Zoning designation
County-recorded code
LCC1*
Jurisdiction
Diamond Bar, CA
Recorded code
LCC1*
Zoning Insight
What can be built and operated here — officially.
The district profile from the municipal source: what is on file for LCC1* in Diamond Bar, CA.
What opens after registration
Zoning profile
Official documentVerified 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 · 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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