How Mesa for Public Records saved the San Francisco Assessor-Recorder 128,000 staff hours.Read the case studyHow Mesa for Public Records saved the San Francisco Assessor-Recorder 128,000 staff hours.Read the case studyHow Mesa for Public Records saved the San Francisco Assessor-Recorder 128,000 staff hours.Read the case studyHow Mesa for Public Records saved the San Francisco Assessor-Recorder 128,000 staff hours.Read the case study

Built for assessors

The number on the roll, with the file to defend it.

Mesa is the research coworker for the assessor’s office. It assembles appeal packets, writes determinations with their authorities, runs ratio studies over the office’s own sales, and builds working tools on request, alongside the CAMA system of record.

See how it works

Mesa can work an assessment question through the statute, the administrative rules, and the state board’s guidance at once. The case law that interprets them is read alongside. The answer carries its authorities, and becomes a working tool when it needs to be one.

Use cases

How assessor's offices use Mesa

From appeal packets to counter questions, the work comes back with its authorities attached.

  • Mesa connects to the systems an office already uses and reads them together. For an appeal, the permit history, the deed, the parcel layer, and the valuation record come back assembled into one packet, with anything that stands out flagged along the way.

    Mesa assembling an appeal packet for APN 047-23-118 from five systems: three permits from the permitting system including an open reroof past its inspection window, four comparable sales, a six-year valuation history showing a 22 percent jump with no permitted improvement behind it, and two prior appeals that were both adjusted downward.

Hold up under review

A value is only as good as the reasoning kept with it.

An assessment can be questioned at the counter, at the board, and in court, long after it was set. Mesa is built so the reasoning survives with the number.

See the full security posture

Defensible on appeal

Every determination carries the statute, the rule, and the guidance it rests on, so the call can still be explained whenever it is questioned.

Nothing is overwritten

Reports, datasets, and the tools the agent builds keep their full revision history. Revisiting a valuation next cycle never changes what went into last cycle's file.

Claimant data stays private

Exemption claims carry medical, income, and veteran status information. What the office uploads stays in its own workspace, isolated from every other tenant.

Never used to train AI

Customer data is contractually prohibited from training any model, whether Caldera's or any AI vendor's.

See Mesa work a real parcel.

A thirty-minute demo, run on a real appeal, the roll extract, and the office’s own comps. We’ll show what Mesa does with them.

Explore the Research workspace