---
title: "Compare properties source map"
method: POST
path: "/api/locus_compare_properties"
tags: ["development", "property-compare", "feasibility", "zoning", "utilities", "transportation", "policy", "read-only", "free", "free"]
---

# Compare properties source map

`POST /api/locus_compare_properties`

## Request

- Base URL: `https://api.locus.report`
- URL: `https://api.locus.report/api/locus_compare_properties`
- Auth: none required

Plan for 2-6 properties, for agents before deeper diligence: parcel, jurisdiction/policy, zoning/future land use, permits, utility, access, environmental, tax districts, public facilities, market, source gaps. No search/tool call/rank/winner/score/feasibility or legal/engineering/survey/brokerage/valuation/permitting advice. Direct flat-body route for this one free resource; no API key, payment, or catalog wrapper. Return only the cited bounded evidence described here; this route never produces a paid brief or full report.

## Request body

- object
  - `properties` object[], required: Two to six properties to compare. Each property needs an address, parcel id/PIN, or place label.
    - `label` string: Optional short label for this property, e.g. Site A or Downtown parcel.
    - `address` string: Optional US street address for this property.
    - `parcelId` string: Optional public parcel id/PIN/APN if known.
    - `place` string: Optional place/jurisdiction label when a street address is not available.
    - `notes` string: Optional caller note about the property; lead-only until verified against official records.
  - `projectType` string: Optional project/use concept to focus the comparison, e.g. multifamily, retail pad, industrial, subdivision.
  - `comparisonFocus` string: Optional natural-language focus such as utility readiness, entitlement risk, zoning differences, access, flood/soils, fees, or acquisition diligence.

## Response `200`

Free cited evidence response.

- object

## Other responses

- `400`: Invalid request body.
- `429`: Rate limited.

---

[API](https://skmtc.dev/locus/apis/locus-api.md) · [All operations](https://skmtc.dev/locus/apis/locus-api/llms.txt) · [OpenAPI document](https://skmtc.dev/locus/apis/locus-api/revisions/ba7786b74adb?raw)