Acren market research · California

San Francisco–Oakland commercial property research

Five counties around the Bay, including a consolidated city and county whose assessor and recorder are one office.

Status
Market research profile
Property records through
July 5, 2026
Official geography
San Francisco-Oakland-Fremont, CA (CBSA 41860, OMB 2023-07 delineation)
Editorial update
September 8, 2026

Sourced market facts for San Francisco–Oakland are in review and appear here once a revision is published. Nothing on this page is estimated by Acren.

San Francisco–Oakland skylinePhoto: Brocken Inaglory / Wikimedia CommonsCC BY-SA 3.0
San Francisco-Oakland-Fremont, CA. Photograph for orientation only; county records below are the authoritative geography.
Research frame

Five counties, one of them a city.

Alameda, San Francisco, San Mateo and Contra Costa counties hold the largest reviewed record counts, Marin the smallest. San Francisco is a consolidated city and county with a combined assessor-recorder; the other four keep the assessor and the recorder separate. No county record class is verified in the source map yet, so the page states the geography and the footprint and nothing more.

Asset-class research lenses

What San Francisco–Oakland records support, by asset class.

Choose an asset class to see the data-supported questions it raises here, the published facts that bear on them, and the county record classes those questions need. Lenses are research paths, not rankings; nothing below recommends an asset class.

Data-supported questions

  • Which parcels are classified as medical office, and which are held by health-system entities?
  • Which changed hands in the last five recorded years?

A question is answerable only where the record classes below are available; where they are manual only or not yet mapped, it stays a question.

Applicable current facts

Sourced market facts appear here once a reviewed revision for San Francisco–Oakland is published.

What Acren can research today

None of the record classes this lens needs are normalized in San Francisco–Oakland yet. Each question above stays open until they are.

Local sources this lens needs

Parcel and assessment
not yet mapped in all 5 counties
Deeds and recorder
not yet mapped in all 5 counties

Property-level fields required

  • Land use code
  • Building area
  • Recorded owner
  • Last sale where recorded

Common data gaps

  • Medical office coded as general office

What public records do not establish

  • Tenant specialties or affiliations
  • Lease terms
Build a Medical office Buy Box

A Buy Box scopes property research to this market and asset class. Requests set review priority; they do not grant product access.

Acren Research

Research monitors for San Francisco–Oakland are not yet published.

Each monitor is an aggregate release that appears here only after its rights, coverage, resolution, confidence and privacy reviews are complete and an approved snapshot exists for this market. Property-level records are never published; a maturity is never described as default risk and a tax status never as an owner's situation.

Recorded debt maturity

Acren does not currently have sufficient source-backed maturity coverage to publish a market measure.

The source coverage table shows which county record classes this measure would rest on, and following the market brings the release when it is published.

Recorded property-tax status

Acren does not currently have sufficient reviewed tax-status coverage to publish a market measure.

The source coverage table shows which county record classes this measure would rest on, and following the market brings the release when it is published.

Development and supply

Acren does not currently have reviewed permit coverage for this market's issuing jurisdictions to publish a market measure.

The source coverage table shows which county record classes this measure would rest on, and following the market brings the release when it is published.

Exact geography

5 counties in the official metro.

San Francisco-Oakland-Fremont, CA, CBSA 41860, as delineated by the Office of Management and Budget (2023-07 vintage). Counties marked reviewed are where Acren has loaded and reviewed property records; the others are inside the official metro but not yet reviewed. Neither list is a customer Buy Box.

Official metro footprint
5 counties
Acren reviewed property coverage
5 of 5 counties
Reviewed property records
241,538
Property source as of
July 5, 2026

Loading county boundaries

  • Official metro footprint (outlined)
  • Reviewed Acren property records (filled)
  • Official footprint without reviewed local coverage (hatched)

Fill marks reviewed property records only; source access by record class is stated in the coverage table below. No parcel or property is drawn.

  1. 01Alameda County, CAReviewed: 80,019 property records, source as of July 5, 2026Search this county
  2. 02Contra Costa County, CAReviewed: 40,208 property records, source as of July 5, 2026Search this county
  3. 03Marin County, CAReviewed: 18,512 property records, source as of July 5, 2026Search this county
  4. 04San Francisco County, CAReviewed: 61,662 property records, source as of July 5, 2026Search this county
  5. 05San Mateo County, CAReviewed: 41,137 property records, source as of July 5, 2026Search this county
Source coverage

What Acren can research in this market today.

County source-map status across the 5 official counties. Available means Acren loads and normalizes the record class; manual only means an official index exists and the record must be opened at the source; in progress means a load is under way; rights review means a source exists but its display terms are unresolved; not yet mapped means Acren has not verified a source for that county, which is never a statement that none exists.

Parcel and assessment
not yet mapped in all 5 counties
Deeds and recorder
not yet mapped in all 5 counties
Tax status
not yet mapped in all 5 counties
Permits
not yet mapped in all 5 counties
Courts
not yet mapped in all 5 counties
County source coverage for San Francisco-Oakland-Fremont, CA
CountyProperty recordsParcel and assessmentDeeds and recorderTax statusPermitsCourtsVerified
Alameda County, CA80,019Not yet mappedNot yet mappedNot yet mappedNot yet mappedNot yet mappedUnknown
Contra Costa County, CA40,208Not yet mappedNot yet mappedNot yet mappedNot yet mappedNot yet mappedUnknown
Marin County, CA18,512Not yet mappedNot yet mappedNot yet mappedNot yet mappedNot yet mappedUnknown
San Francisco County, CA61,662Not yet mappedNot yet mappedNot yet mappedNot yet mappedNot yet mappedUnknown
San Mateo County, CA41,137Not yet mappedNot yet mappedNot yet mappedNot yet mappedNot yet mappedUnknown

Counts are county aggregates from Acren's source map and loaded property inventory; no parcel or owner records are shown. Source access describes how a record class can be obtained, not that every record is normalized or linked. Verify material facts at the authoritative county source.

Browse the full Source Registry
Using the page

How to use this market report

Treat the market profile as a source-backed research frame, then verify property-level conclusions in the relevant county records and downstream diligence.

What geography does the San Francisco–Oakland market page cover?
San Francisco-Oakland-Fremont, CA is the official 5-county metro footprint across California. County-level source coverage is shown separately so the official geography is never confused with Acren's reviewed data coverage.
Does Acren coverage mean every public record is available?
No. Availability varies by county, record class, source access, and review status. Missing or unavailable data is not evidence that an event did not occur, and material facts should be verified at the authoritative source.
How should an acquisition team use this market report?
Use the report to orient property research, define market-specific questions, and decide which records deserve review. It does not replace local market analysis, comps, lease research, expenses, underwriting, or investment judgment.
Next step

Research San Francisco–Oakland properties in Acren.

Define a Buy Box for this market, review an explainable ranked list, and move the strongest properties into the Pipeline with ownership evidence attached.

Follow this market

Reviewed public-record updates for the markets you choose. At most once a month, never real-time, and no product access is implied.

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  • San Francisco–Oakland, CA
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