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742 Arnold Dr, Martinez, CA 94553
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Property summary
AI-generated overview
This exceptional 1,475 square foot medical office space is ideally situated at 742 Arnold Drive, Martinez, CA 94553, within the Martinez, Pacheco, Hercules submarket. Part of a larger 7,420 square foot, two-story building constructed in 2005, this unit offers a unique opportunity for medical professionals. The space includes a 390 square foot mezzanine, adding valuable versatility. High ceilings at 17 feet provide an open and airy feel. A convenient kitchenette and an ADA-compliant restroom are included. The building sits on a 5.5-acre lot and offers ample parking with 25 spaces. The property is zoned NC and features a minimum divisible space of 1,475 square feet, with 1,475 square feet currently vacant. The building has no elevators. Cross streets include Howe. The Assessor's Parcel Number (APN) is 377 140 007-8. This property is perfect for a variety of medical uses, such as physical therapy or chiropractic practices. Don't miss this chance to establish your practice in a well-maintained building with excellent visibility and convenient access.
Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING
Year built
2004
Total area
6,432 SF
Lot
0.55 ac (23,958 SF)
Zoning code
R140
APN
377-140-007-8
UPID
US09-0389368
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
-
Dental Office
-
Dental Office
-
Gym & Fitness Center
-
Auto Parts Store
-
General Contractor
Location
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
$1.70M
CAP Approach
CAP
$1.91M
Comparable Approach
Comparable
$1.20M
Blend (final)
Blend
$1.70M
Owner & transaction history
since 2024
Last sale
$1.7M
7 recorded transactions
Zoning & alternative use
R140 · Martinez, CA
Top alternative use upside
Restaurant
$2.8M
+27.2%
Medical building
$2.3M
+5.7%
Commercial (general)
$2.2M
+1.3%
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 7 comparables with addresses
4 alternative uses screened
Sensitivity value band
Source audit · 6 inputs
PDF export
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Summary
1
Valuation conclusion
Included free
Estimated market value
$1.70M
Value range
$1.53M – $1.87M
±10% around blend
Estimated value / SF
$264 / SF
Confidence
High
7 county-verified comps
Property data
100
Market benchmarks
33
Comparable evidence
70
$1.53M
blend $1.70M
$1.87M
Market-derived valuation under stabilized market assumptions. Desktop analysis. No physical inspection performed.
2
Subject property
Included free
GBA
6,432 SF
Lot area
0.55 ac
Year built
2004
Stories
1
APN
377-140-007-8
Zoning
R140
Assessed value
$1,649,590
Annual tax
$22,809
3
Income approach: direct capitalization
Partial preview
Income approach indication
$1.91M
Direct capitalization · @ 6.5% CAP return
@ 6% CAP return
$2.07M
@ 6.5% CAP return
$1.91M
@ 7% CAP return
$1.77M
4
Sales comparison
Partial preview
Sales approach indication
$2.00M
Weighted, 7 comps · high confidence
Evidence
7 found · 6 selected
County-verified recorded sales
Comparable
Sale dateSale price$ / SF
12.8 mi away · 7,200 SF
15.3 mi away · 7,608 SF
16.3 mi away · 7,312 SF
21.5 mi away · 7,513 SF
21.6 mi away · 4,609 SF
5
Sensitivity & risk
Partial preview
Downside
−10%
Base
$1.70M
Upside
+10%
Bounds of the ±10% band vs the blend — never simulated scenarios.
6
Current market position
Included free
Benchmark
Observed band ($/SF)AverageSubject delta
County 217 sales
$344
-23%
Band = middle half (Q1–Q3) of recorded sale $/SF for this use type per geography; the diamond marks the subject at $264/SF. Delta below average reads as headroom. Source: Realmo CRE sales derivatives (county records).
7
Alternative use screening
Partial preview
Top alternative use
Restaurant
Gross theoretical uplift
+27%
vs current-use indication
Medical Building
Commercial (general)
Office Building · 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
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 · 7 sales
Market rates by use type
PDF export
Professional Plan · 30 reports
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Overview
Implied cap rate
7.30%
Implied, in-place cap rate for this office 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 · 7.30%
9.0%
NOI (est.)
$119k *
Last sale · Jul 2024
$1.70M
* 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$1.63M
Move the market yield to see immediate price impact.
Value / SF
$253
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
6.80%7.30%7.80%
$107k
$1.58M
$1.47M
$1.37M
$119k
$1.75M
$1.63M
$1.53M
$131k
$1.92M
$1.79M
$1.68M
NOI sensitivity ±10% across the selected-rate band (±0.5 pp) — derivation of the NOI above.
Comparable evidence
Partial preview
Recorded sales nearby
7 found
High confidence · county-verified
Closest comparable
$1.90M
7.1 mi · Feb 2026 · $372/SF
Property tax & assessments
Tax year 2024Property tax & assessments
Tax year 2024
Tax billed
$22,809
Tax year 2024
Assessed value
$1,649,590
Assessed 2024
Previous assessed
$1,649,590
+0.0% YoY
Effective rate
1.38%
On assessed value
Assessed land
$589,138
Assessed improvement
$1,060,452
Applied tax rate
5.0000
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
2004
Heating
NONE
Stories
1
Units
3
Rooms
3
Total area
6,432 SF
Lot
0.55 ac (23,958 SF)
Zoning code
R140
APN
377-140-007-8
UPID
US09-0389368
Jurisdiction
CONTRA COSTA
Metro division
OAKLAND-FREMONT-HAYWARD, CA METROPOLITAN DIVISION
Zoning & alternative use
R140 · Martinez, CAZoning R140 · permitted uses
R140 · Martinez, 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
2004
Heating
NONE
Stories
1
Units
3
Rooms
3
Lot
0.55 ac
Zoning
The recorded zoning designation, what the district officially allows, and the municipal source it comes from.
Zoning designation
County-recorded code
R140
Jurisdiction
Martinez, CA
Recorded code
R140
Zoning Insight
What can be built and operated here — officially.
The district profile from the municipal source: what is on file for R140 in Martinez, 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.
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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