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Property profile & analytics
OFF-MARKET
Estimated value
$3,460,000
Manufacturing properties
1833 Diamond St San Marcos, CA 92078-5130
Entity Owned
Absentee Owner
~
Est. High Equity
Property ID
US09-7145805
Property summary
AI-generated overview
This exceptional 15,393-square-foot single-tenant property, located at 1833 Diamond Street in San Marcos, California, presents a unique opportunity for businesses seeking a combined office and warehouse space. Situated on a 0.71-acre lot in San Diego County, this building boasts a substantial 22-foot ceiling height, ideal for various industrial needs. Built in 1983, the property offers ample parking with 30 spaces, providing a convenient 1.9 spaces per 1,000 square feet. The entire 15,393 square feet is currently vacant and available for lease, making it perfect for a business seeking immediate occupancy. The property is classified as both office and industrial, catering to a diverse range of potential tenants. The robust electrical service features 800 amps at 120/208 volts, ensuring sufficient power for demanding operations. The property's location in San Marcos, CA, zip code 92078, offers excellent access to transportation and local amenities. This is a rare opportunity to secure a large, versatile space in a desirable location. The property's size, features, and location make it an attractive option for businesses seeking a significant footprint in San Diego County. Contact us today to learn more about leasing this exceptional property.
Property profile
Verified
Property type
Manufacturing properties
Use group
MANUFACTURING (LIGHT)
Year built
1989
Total area
11,404 SF
Lot
0.71 ac (30,927 SF)
Zoning code
INDUSTRIAL (M ZONE)
APN
223-340-12-00
UPID
US09-7145805
Cap rate & NOI
Priority signal for investors
Implied cap rate, NOI & suggested price
Cap rate vs submarket · NOI estimate · 3 price anchors
Implied cap rate, NOI & suggested price
Cap vs submarket · NOI estimate · 3 price anchors
Current use
Occupant on record · Public records
-
Fireplaces Plus Hardware & Home Improvement
-
Don Peterson Contracting Inc Engineer
-
Innovation Gas Fireplace Hardware & Home Improvement
-
Mc Girr's Construction Construction Company General Contractor
-
Cross Accounting Accounting Firm Tax Preparation
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
$2.89M
CAP Approach
CAP
by Request
Comparable Approach
Comparable
$4.44M
Blend (final)
Blend
$3.46M
Owner & transaction history
Shooter Mcgavin LLC
Shooter Mcgavin LLC
since 2025
Last sale
$4.1M
7 recorded transactions
Zoning & alternative use
INDUSTRIAL (M ZONE) · San Marcos, CA
Permitted uses
Permitted uses
Allowed · conditional · prohibited
Top alternative use upside
Medical building
$5.4M
+78.5%
Office building
$5.0M
+65.5%
Auto repair, garage
$4.4M
+43.6%
Cap rate
Implied · in-place · derived from last sale + estimated NOI
Implied Cap rate
#1
Implied · in-place · NOI ÷ last sale
In-place · derived from last sale + estimated NOI
Cap rate, NOI & submarket benchmark
Implied cap rate vs San Marcos submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs San Marcos submarket · NOI estimate · typical band, median & reading
Refine your cap rate
8-question underwriting flow
1.
Property current status — Going-In vs Stabilized
2.
Price for denominator — asking / offer / market
3.
Leasing status & lease structure (NNN / Gross)
4.
Tenant risk profile & vacancy assumption
5.
Upload T12 / rent roll / OM (optional)
Refine in 60 seconds, get exact suggested price
T12 upload · Submarket benchmarks · Sensitivity grid
Suggested price · 3 cap rate anchors
Income approach @ 5% / 7% / 9% — aggressive / typical / conservative
Suggested price at 5% / 7% / 9% cap
Aggressive / typical / conservative · Implied $/SF per anchor · Sensitivity grid
Suggested price at 5% / 7% / 9% cap
Aggressive / typical / conservative · implied $/SF · sensitivity
Value
AI, CAP & Alternative Use estimations · Realmo proprietary blendValue Estimations
Based on Realmo’s proprietary methodology
AI Approach
Method
Estimation
Statistic approach
$3,285,000
ML approach
$2,890,000
CAP Approach
CAP Return
Estimation
6%
by Request
6.5%
by Request
7%
by Request
Alternative Use
Use
Estimation
INDUSTRIAL (GENERAL)
$3,030,000
Current use
MEDICAL BUILDING
$5,410,000
Change: +79% · Conversion: Difficult
OFFICE BUILDING
$5,020,000
Change: +66% · Conversion: Difficult
AUTO REPAIR, GARAGE
$4,355,000
Change: +44% · Conversion: Easy
APARTMENT HOUSE (5+ UNITS)
$3,590,000
Change: +18% · Conversion: Difficult
Blend value · Realmo final
$3.46M
Range $3.11M – $3.81M · ±10% · vs last sale $4.07M (May 25 2025)
Last sale anchor
$4.07M
May 25 2025
Realmo estimate · informational only.
These numbers are calculated by our models from public records and may not reflect actual market value.
Not an appraisal.
Verify with a licensed appraiser before transacting. Realmo accepts no liability for divergence from real-world outcomes.
View the full estimation — every method, every assumption
Confidence drivers & risk notes · Custom comparable set · Free for first 3 / day
Full estimation methodology
Every method · every assumption · confidence drivers
Price per SF
Sale + rent benchmarks
Subject property
$303 / SF
Submarket sale & rent benchmarks
Median sale $/SF · Asking & closed rent · Submarket vacancy
Submarket sale & rent benchmarks
Median sale $/SF · asking & closed rent · submarket vacancy
Property tax & assessments
Tax year 2024Property tax & assessments
Tax year 2024
Tax billed
$28,348
Tax year 2024
Assessed value
$2,636,929
Assessed 2024
Previous assessed
$2,636,929
+0.0% YoY
Effective rate
1.08%
On assessed value
Assessed land
$775,000
Assessed improvement
$1,861,929
Applied tax rate
13.0000
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
Recent comparable sales
Sale price & $/SF · sale date & distance · adjustments
Property description
Physical attributes from public recordsBuilding & lot
Public records
Property type
Manufacturing properties
Use group
MANUFACTURING (LIGHT)
Status
Off-Market
Year built
1989
Heating
NONE
Units
1
Total area
11,404 SF
Lot
0.71 ac (30,927 SF)
Zoning code
INDUSTRIAL (M ZONE)
APN
223-340-12-00
UPID
US09-7145805
Jurisdiction
SAN DIEGO
Zoning & alternative use
INDUSTRIAL (M ZONE) · San Marcos, CA
Zoning INDUSTRIAL (M ZONE) · permitted uses
INDUSTRIAL (M ZONE) · San Marcos, CA
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
San Marcos. Always verify with local authorities before improvements.
Alternative use value scenarios
Repositioning upside vs current use
INDUSTRIAL (GENERAL) Current
Est. value
$3.0M
MEDICAL BUILDING
Est. value
$5.4M
OFFICE BUILDING
Est. value
$5.0M
AUTO REPAIR, GARAGE
Est. value
$4.4M
APARTMENT HOUSE (5+ UNITS)
Est. value
$3.6M
INDUSTRIAL (GENERAL) Current
MEDICAL BUILDING
OFFICE BUILDING
AUTO REPAIR, GARAGE
APARTMENT HOUSE (5+ UNITS)
Alternative use deep dive — conversion cost, permits, timeline
Conversion cost estimate · Permit path & risks · Stabilized NOI per option
Alternative use deep dive
Conversion cost · permit path · stabilized NOI per option
Building & site characteristics
From public records
Year built
1989
Heating
NONE
Units
1
Lot
0.71 ac
Current owner
From public records · entity-resolved
Shooter Mcgavin LLC
Entity
Mailing address
10951 SORRENTO VLY RD STE 2A, SAN DIEGO, CA 92121-1613
Mailing matches property
Different — outreach signal
Owner-occupied
No
Ownership since
2025
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
15 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Aug 25, 2025
$4,070,000
Shooter Mcgavin LLC
1833 Diamond Street LLC
Grant Deed
$2,035,000 · City National Bank
Aug 25, 2025
—
Shooter Mcgavin LLC
—
Deed
related
$1,670,000 · California Statewide Certifield Developm
Aug 2, 2023
$2,637,000
1833 Diamond Street LLC
Fredrick D Patterson
Grant Deed
$1,000,000 · Enterprise Bank & Trust
May 12, 2010
—
Frederick D Patterson
Patterson,frederick D & Janie S
Quit Claim Deed
related
—
Mar 1, 2001
$1,310,000
Frederick D Patterson
Goetz Trust
Grant Deed
$862,000 · Cnl Commercial Finance INC
Apr 19, 1990
—
Dean A Goetz
Goetz Dean A
Quit Claim Deed
related
$700,000 · San Dieguito Bank
Jul 14, 1989
$580,000
Miramar Trust De
Luly Lucian L JR
Trustees Deed
—
Mar 11, 1988
—
Lucian L Luly JR.
Luly
Quit Claim Deed
related
$1,350,000 · George Elkins Co
Mar 4, 1988
—
San Marcos City
Luly,
Grant Deed
related
—
—
—
Frederick D Patterson III
—
Deed Of Trust
related
$100,000 · Citibank West Fsb
—
—
Frederick D Patterson
—
Deed Of Trust
related
$546,000 · Cdc Small Business Finance Co
—
—
Frederick D Patterson
—
Deed Of Trust
related
$698,920 · Zions First National Bank
—
—
Frederick D Patterson III
—
Deed Of Trust
related
$1,400,000 · Citibank West Fsb
—
—
Goetz Trust
—
Deed Of Trust
related
$670,000 · Capital Bank North County
—
—
Patterson Trust I
—
Deed Of Trust
related
$1,430,400 · Seacoast Commerce Bank
Coming soon
Costs & Benchmarks
Operating expenses, capex projections, utility benchmarks, and submarket comparables — all in one view.
Coming soon
Risks
Flood, climate, environmental, title, and tenant-concentration risk — surfaced with mitigations and source citations.
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