Realmo Analytics

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Financial
Distress signals
Property profile

3700 Sunset Ln Antioch, CA 94509

FOR LEASE
Medical Office Space
Property ID
US09-3230987
11,040 SF 0.51 ac lot Built 1983
Last sale Nov 1991 · $2,600,000
Entity Owned Owner of record is a legal entity (LLC / corporation). 34-yr Hold Held for 34 years. Absentee Owner Owner mailing address differs from the property address. Free & Clear No active or open recorded mortgage detected.
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Market Trends Soon

Ownership intelligence

Who controls the opportunity?

Owner of record from public deeds, plus portfolio, hold profile and investor signals where the data supports them. Included with a plan.

Owner contacts

Can we reach the decision maker?

Skip-traced phones and e-mails of the owner. Included with a plan.

Debts

What is owed, to whom, and when it comes due

Recorded lenders, amounts and estimated maturities of the owner's loan book — included with a plan.

Property tax · 2024

What does the county charge?
$22k
Tax billed · 2024
Assessed value$1.64M
Assessed land$95k
Assessed improvement$1.55M
Effective rate1.34%

Value estimate

· Oct 2026
$1.80M
$1.62M – $1.97M
NOI build-up
Gross scheduled income$37k
Vacancy & credit loss−$10k
Operating expenses−$7k
NOI · 1,849,727.27% cap applied$20k

Realmo valuation models over county records and 3 qualifying comparable sales.

Recently sold

What actually traded nearby?
$363/SF
County average, outlier-cleaned · 72 recorded sales of this use type
Observed band · Q1–Q3$184 – $503
Qualifying comparables3

Cap rate analysis

How does the asset earn?
1,849,727.27%
$20k estimated NOI · market benchmarks for this use type

Price anchors at 6 / 6.5 / 7% — in the full report.

Zoning insight

No data for this section
What can be built here?

No zoning code is on file for this parcel. Coverage grows with every catalog release.

JurisdictionCONTRA COSTA

Location intelligence

Which uses thrive at this corner?
Best fit: Realty agency
Demand heat for this use is drawn on the map · LocInt grid
Demand index
Realty agency37.7
Restaurant28.4
Law Firm27.6

Location

3700 Sunset Ln Antioch, CA 94509
County assessor Recorded deeds · 2 transfers 3 qualifying comp sales Zoning catalog · not on file

Every figure names its source: public record, benchmark, or modeled. Coverage varies by property — thin data is stated as missing, never invented.

Comparables

6 recorded sales · 16 properties nearby
Recent sales nearby
6 recorded sales in this ZIP, last 8 years
Address Sale price Sold Size
3741 Sunset, Antioch, CA 94509-6130 $540,000 Jul 2025 2,694 SF
3107 Lone Tree Way Ste, Antioch, CA 94509-4959 $1,000,000 Jan 2025 4,890 SF
3220 Lone Tree, Antioch, CA 94509-5557 $900,000 Apr 2024 5,178 SF
3747 Sunset, Antioch, CA 94509-6101 $605,000 Jan 2023 3,672 SF
800 C, Antioch, CA 94509-1719 $895,000 Aug 2019 3,557 SF
1130 A, Antioch, CA 94509-2356 $550,000 Jul 2019 5,259 SF
Sale prices and dates as our records hold them, one row per building. A deed can cover more of a building than the size shown, so read the price against the size rather than dividing one by the other.
Comparable nearby
6 properties of the same type nearby
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