Individually Owned Property summary
This exceptional executive office building, located at 309 E 18th Street in Antioch, California (zip code 94509), presents a compelling investment opportunity. The property boasts a total of 2,600 square feet situated on a 0.33-acre lot. The building features approximately 2,000 square feet of office space and approximately 600 square feet of warehouse space, ideal for a variety of business needs. The office area includes four executive offices, a reception area, and a dedicated conference… room, providing ample space for both individual work and collaborative efforts. Additional storage is available in a large shed located on the property. The property also benefits from a significant amount of yard space surrounding the building. Convenient highway access via Highway 4 ensures easy commuting and accessibility. The building is currently vacant with a 30-day notice period, offering immediate occupancy. Financing options are available, with up to 90% financing potentially attainable. This property is a rare find in Antioch, combining prime location, versatile space, and significant potential for return on investment. Do not disturb the tenant.
Ownership intelligence
Resolved identity, portfolio, hold profile and investor signals. Included in the full report.
Owner contacts
Skip-traced phones and e-mails of the owner. Included with the full report.
Mortgages
Recorded lenders, amounts and estimated maturities of the owner's loan book — in the full report.
Property tax · 2024
Value estimate
· Sep 2026Realmo valuation models over county records and 4 qualifying comparable sales.
Recently sold
Cap rate analysis
No income signal is modeled for this parcel yet — the Cap Rates tab runs the workflow.
Zoning insight
No data for this sectionNo zoning code is on file for this parcel. Coverage grows with every catalog release.
Location intelligence
Demand index: how under-served this business type is around this point — modeled from the LocInt grid (area demand vs. what already operates, adjusted by real visit traffic). Higher means stronger unmet demand.
Location
Every figure names its source: public record, benchmark, or modeled. Coverage varies by property — thin data is stated as missing, never invented.
Comparables
6 recent transactions · within 1.5 miComparable in this City
Similar Nearby for Sale
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Instant AI valuation built from comps, income signals, and proprietary benchmarks.A defensible range, not a single guess.
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Cap rate calculated from real income and expense signals, benchmarked against sales of similar assets nearby.
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Price sensitivity
The rate is the decision lever; valuation is the consequence.
The recorded zoning designation, what the district officially allows, and the municipal source it comes from.
No zoning code is on file for this parcel. Zoning coverage grows with every catalog release — check back, or open Location Intelligence for use analysis of this corner.
Phones and e-mails of the people behind this property's owner, traced from licensed contact data.
Owner phones and e-mails come with the full report for this property - traced from licensed contact data, with verification and Do-Not-Call flags on every number.
Unlock the evidence behind ownership: portfolio, transactions, debt and signals that help you decide who to contact next.
Registration is required before any owner information is shown.
The mortgage data is behind the paid report: recorded loans of the owner - lender, amount, rate and the estimated maturity - as part of the Ownership Intelligence workspace.
Registration is required before any owner information is shown.
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