Realmo Analytics

Unlock property reports, ownership, financials, or compile property list owners likely to sell.

Property profile

3563 Castro Vly Blvd Castro Valley, CA 94546

OFF-MARKET
Office buildings
Property ID
US09-9178600
8,224 SF 0.58 ac lot Built 1968
Last sale Jan 2019 · $1,950,000
Entity Owned Owner of record is a legal entity (LLC / corporation). 6-yr Hold Held for 6 years. ~ Est. High Equity Modeled equity is high. Estimate, not a fact.
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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 · 2023

What does the county charge?
$39k
Tax billed · 2023
Assessed value · 2024$2.13M
Assessed land$984k
Assessed improvement$1.15M
Effective rate1.85%

Value estimate

· Oct 2026
$1.89M
$1.70M – $2.08M
CAP approach$2.11M
Submarket $/SF estimate$2.22M

Realmo valuation models over county records.

Recently sold

What actually traded nearby?
$324/SF
ZIP average, outlier-cleaned · 21 recorded sales of this use type
Observed band · Q1–Q3$215 – $419

Cap rate analysis

How does the asset earn?

No income signal is modeled for this parcel yet — the Cap Rates tab runs the workflow.

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.

JurisdictionALAMEDA

Location intelligence

Which uses thrive at this corner?
Best fit: Law Firm
Demand heat for this use is drawn on the map · LocInt grid
Demand index
Law Firm26.2
Auto Parts Store19.2
HVAC Service16.0

Location

3563 Castro Vly Blvd Castro Valley, CA 94546-4401
County assessor Recorded deeds · 8 transfers Qualifying comp sales · not on file 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 · 8 properties nearby
Recent sales nearby
6 recorded sales in this ZIP, last 8 years
Address Sale price Sold Size
20995 Redwood, Castro Valley, CA 94546-5919 $1,875,000 Nov 2025 4,239 SF
21666 Redwood, Castro Valley, CA 94546-6440 $1,600,000 Jun 2022 4,218 SF
2861 Grv, Hayward, CA 94546-6709 $2,622,500 May 2021 9,800 SF
2373 Grv, Hayward, CA 94546-7042 $790,000 Feb 2021 5,988 SF
20632 Redwood, Castro Valley, CA 94546-5602 $1,500,000 Apr 2019 5,255 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
Research This Page with AI

Rey answers here. ChatGPT, Grok and Claude get the same data packet.

Includes: Price & PSF · Cap rate · Location · Zoning

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