placestack-com · Schema
Zoning
A zoning classification: a base district or an overlay, with its rules.
CompanyReal EstateDataAPIGeospatialProperty
Properties
| Name | Type | Description |
|---|---|---|
| object | string | The object's type. Always `zoning`. |
| id | string | A zoning id. |
| code | string | District code, as published, such as `R-1`. Unique only within its jurisdiction. |
| name | object | District name, as published. Null when only a code is published. |
| kind | string | District type. One of `base` or `overlay`. A place has one base district and any number of overlays. |
| applies_over | object | Base districts the overlay applies to. Null for a base district. |
| precedence | object | The overlay's rank when rules conflict. Null for a base district. |
| jurisdiction | object | |
| within | array | The jurisdictions that contain `jurisdiction`, largest first. |
| category | object | District category, such as residential or commercial. Null when not yet classified. |
| purpose | object | Purpose statement, as published. Null when there is none. |
| ordinance | object | The ordinance that adopted the classification. Null when not published. |
| effective | object | Dates in effect. Null when not published. |
| legal_status | string | One of `adopted` or `proposed`. A `proposed` classification is part of a pending amendment. |
| mapped_area_m2 | object | Total mapped area, in square meters. Null when not on the zoning map. |
| allowances | object | Each use the ordinance lists, with its result. Included only with `include=allowance`; null otherwise. A use not listed here is governed by `unlisted_uses`. |
| unlisted_uses | object | The ordinance's rule for uses it does not list. Null when the ordinance has none, which is neither a permission nor a prohibition. |
| standards | object | Dimensional standards, such as setbacks, height and lot size. Included only with `include=standard`; null otherwise. |
| geometry | object | Every mapped area, as GeoJSON. Included only with `include=geometry`; null otherwise. |
| sources | array | The zoning map and ordinance the classification is read from. |
| as_of | object | The oldest `acquired` date in `sources`. |
| href | string | The object's path in the API. |
JSON Schema
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"$id": "https://artifacts.apis.io/placestack-com/json-schema/placestack-com-zoning-schema.json",
"title": "Zoning",
"description": "A zoning classification: a base district or an overlay, with its rules.",
"x-generated": "2026-10-30",
"x-method": "derived",
"x-generator": "derive-json-schema.py",
"x-source": "openapi/placestack-com-openapi.json#/components/schemas/Zoning",
"properties": {
"object": {
"type": "string",
"const": "zoning",
"title": "Object",
"description": "The object's type. Always `zoning`.",
"default": "zoning"
},
"id": {
"type": "string",
"pattern": "^zon_[0-7][0-9a-hjkmnp-tv-z]{25}$",
"title": "Id",
"description": "A zoning id."
},
"code": {
"type": "string",
"title": "Code",
"description": "District code, as published, such as `R-1`. Unique only within its jurisdiction."
},
"name": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"title": "Name",
"description": "District name, as published. Null when only a code is published."
},
"kind": {
"type": "string",
"enum": [
"base",
"overlay"
],
"title": "Kind",
"description": "District type. One of `base` or `overlay`. A place has one base district and any number of overlays."
},
"applies_over": {
"anyOf": [
{
"$ref": "#/$defs/Reach"
},
{
"type": "null"
}
],
"description": "Base districts the overlay applies to. Null for a base district."
},
"precedence": {
"anyOf": [
{
"$ref": "#/$defs/Precedence"
},
{
"type": "null"
}
],
"description": "The overlay's rank when rules conflict. Null for a base district."
},
"jurisdiction": {
"$ref": "#/$defs/zoning__JurisdictionRef"
},
"within": {
"items": {
"$ref": "#/$defs/zoning__Within"
},
"type": "array",
"title": "Within",
"description": "The jurisdictions that contain `jurisdiction`, largest first."
},
"category": {
"anyOf": [
{
"$ref": "#/$defs/Code"
},
{
"type": "null"
}
],
"description": "District category, such as residential or commercial. Null when not yet classified."
},
"purpose": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"title": "Purpose",
"description": "Purpose statement, as published. Null when there is none."
},
"ordinance": {
"anyOf": [
{
"$ref": "#/$defs/Ordinance"
},
{
"type": "null"
}
],
"description": "The ordinance that adopted the classification. Null when not published."
},
"effective": {
"anyOf": [
{
"$ref": "#/$defs/Period"
},
{
"type": "null"
}
],
"description": "Dates in effect. Null when not published."
},
"legal_status": {
"type": "string",
"enum": [
"adopted",
"proposed"
],
"title": "Legal Status",
"description": "One of `adopted` or `proposed`. A `proposed` classification is part of a pending amendment."
},
"mapped_area_m2": {
"anyOf": [
{
"type": "number"
},
{
"type": "null"
}
],
"title": "Mapped Area M2",
"description": "Total mapped area, in square meters. Null when not on the zoning map."
},
"allowances": {
"anyOf": [
{
"items": {
"$ref": "#/$defs/Allowance"
},
"type": "array"
},
{
"type": "null"
}
],
"title": "Allowances",
"description": "Each use the ordinance lists, with its result. Included only with `include=allowance`; null otherwise. A use not listed here is governed by `unlisted_uses`."
},
"unlisted_uses": {
"anyOf": [
{
"$ref": "#/$defs/UnlistedUses"
},
{
"type": "null"
}
],
"description": "The ordinance's rule for uses it does not list. Null when the ordinance has none, which is neither a permission nor a prohibition."
},
"standards": {
"anyOf": [
{
"items": {
"$ref": "#/$defs/Standard"
},
"type": "array"
},
{
"type": "null"
}
],
"title": "Standards",
"description": "Dimensional standards, such as setbacks, height and lot size. Included only with `include=standard`; null otherwise."
},
"geometry": {
"anyOf": [
{
"$ref": "#/$defs/Geometry"
},
{
"type": "null"
}
],
"description": "Every mapped area, as GeoJSON. Included only with `include=geometry`; null otherwise."
},
"sources": {
"items": {
"$ref": "#/$defs/Source"
},
"type": "array",
"title": "Sources",
"description": "The zoning map and ordinance the classification is read from."
},
"as_of": {
"anyOf": [
{
"type": "string",
"format": "date"
},
{
"type": "null"
}
],
"title": "As Of",
"description": "The oldest `acquired` date in `sources`."
},
"href": {
"type": "string",
"title": "Href",
"description": "The object's path in the API."
}
},
"type": "object",
"required": [
"object",
"id",
"code",
"name",
"kind",
"applies_over",
"precedence",
"jurisdiction",
"within",
"category",
"purpose",
"ordinance",
"effective",
"legal_status",
"mapped_area_m2",
"allowances",
"unlisted_uses",
"standards",
"geometry",
"sources",
"as_of",
"href"
],
"$defs": {
"Allowance": {
"properties": {
"use": {
"$ref": "#/$defs/Use",
"description": "The use."
},
"result": {
"type": "string",
"enum": [
"permitted",
"conditional",
"prohibited",
"unknown"
],
"title": "Result",
"description": "Whether the use is allowed. One of `permitted`, `conditional`, `prohibited` or `unknown`. `unknown` means the ordinance lists the use without a result."
},
"qualification": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"title": "Qualification",
"description": "Conditions on the use, as published. Null when there are none."
},
"process": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"title": "Process",
"description": "Approval required, as published, such as a special use permit. Null unless `result` is `conditional`."
},
"citation": {
"$ref": "#/$defs/Citation",
"description": "Where the ordinance states this."
}
},
"type": "object",
"required": [
"use",
"result",
"citation"
],
"title": "Allowance",
"description": "A use and its result in this classification."
},
"Bound": {
"properties": {
"min": {
"anyOf": [
{
"type": "number"
},
{
"type": "null"
}
],
"title": "Min",
"description": "Minimum. Null when there is none."
},
"max": {
"anyOf": [
{
"type": "number"
},
{
"type": "null"
}
],
"title": "Max",
"description": "Maximum. Null when there is none."
},
"unit": {
"type": "string",
"title": "Unit",
"description": "Unit of `min` and `max`. One of `ft`, `sq_ft`, `acre`, `percent`, `ratio`, `du_acre`, `space`, `story`."
}
},
"type": "object",
"required": [
"unit"
],
"title": "Bound",
"description": "A numeric range."
},
"Citation": {
"properties": {
"section": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"title": "Section",
"description": "Section of the zoning code. Null when not published."
},
"passage": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"title": "Passage",
"description": "The rule's text, quoted from the zoning code. Null when only the section is published."
},
"url": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"title": "Url",
"description": "URL of the published passage. Null when not published."
},
"effective": {
"anyOf": [
{
"type": "string",
"format": "date"
},
{
"type": "null"
}
],
"title": "Effective",
"description": "Date the text took effect. Null when not stated."
}
},
"type": "object",
"title": "Citation",
"description": "The ordinance text a rule comes from."
},
"Code": {
"properties": {
"code": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"title": "Code",
"description": "Code, as published."
},
"description": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"title": "Description",
"description": "Meaning of the code, as published. Null when not published."
},
"standard": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"title": "Standard",
"description": "Standard value, shared across jurisdictions. Null when not yet classified."
}
},
"type": "object",
"title": "Code",
"description": "A coded value, as published, with its standard equivalent."
},
"Geometry": {
"properties": {
"type": {
"type": "string",
"title": "Type",
"description": "Geometry type. One of `Polygon` or `MultiPolygon`."
},
"coordinates": {
"items": {},
"type": "array",
"title": "Coordinates",
"description": "Coordinates, as `[longitude, latitude]` positions nested by geometry type."
}
},
"type": "object",
"required": [
"type",
"coordinates"
],
"title": "Geometry",
"description": "A GeoJSON geometry in WGS 84, longitude first."
},
"Ordinance": {
"properties": {
"citation": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"title": "Citation",
"description": "Ordinance citation, as published. Null when not published."
},
"section": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"title": "Section",
"description": "Section that defines the classification. Null when not published."
},
"url": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"title": "Url",
"description": "URL of the published ordinance. Null when not published."
},
"adopted": {
"anyOf": [
{
"type": "string",
"format": "date"
},
{
"type": "null"
}
],
"title": "Adopted",
"description": "Adoption date. Null when not published."
},
"effective": {
"anyOf": [
{
"type": "string",
"format": "date"
},
{
"type": "null"
}
],
"title": "Effective",
"description": "Effective date. Null when not published."
}
},
"type": "object",
"title": "Ordinance",
"description": "The ordinance that adopted a classification."
},
"Period": {
"properties": {
"from": {
"anyOf": [
{
"type": "string",
"format": "date"
},
{
"type": "null"
}
],
"title": "From",
"description": "Start date. Null when not published."
},
"to": {
"anyOf": [
{
"type": "string",
"format": "date"
},
{
"type": "null"
}
],
"title": "To",
"description": "End date. Null while current."
}
},
"type": "object",
"title": "Period",
"description": "The dates a classification is in effect."
},
"Precedence": {
"properties": {
"rank": {
"type": "integer",
"title": "Rank",
"description": "Rank when rules conflict, lowest first. A base district is always `0`."
},
"basis": {
"type": "string",
"enum": [
"stated",
"house_default"
],
"title": "Basis",
"description": "Source of the rank. One of `stated` (set by the ordinance) or `house_default` (assigned by Placestack because the ordinance sets none)."
},
"citation": {
"anyOf": [
{
"$ref": "#/$defs/Citation"
},
{
"type": "null"
}
],
"description": "Where the ordinance states the order. Null when `basis` is `house_default`."
}
},
"type": "object",
"required": [
"rank",
"basis"
],
"title": "Precedence",
"description": "An overlay's rank when its rules conflict with others."
},
"Reach": {
"properties": {
"scope": {
"type": "string",
"enum": [
"all",
"listed",
"unstated"
],
"title": "Scope",
"description": "Which base districts. One of `all`, `listed` (the districts in `codes`) or `unstated`."
},
"codes": {
"items": {
"type": "string"
},
"type": "array",
"title": "Codes",
"description": "Base district codes. Empty unless `scope` is `listed`."
},
"citation": {
"$ref": "#/$defs/Citation",
"description": "Where the ordinance states this."
}
},
"type": "object",
"required": [
"scope",
"codes",
"citation"
],
"title": "Reach",
"description": "The base districts an overlay applies to."
},
"Source": {
"properties": {
"kind": {
"type": "string",
"enum": [
"map",
"ordinance"
],
"title": "Kind",
"description": "Type of source. One of `map` (the zoning map) or `ordinance` (the zoning code)."
},
"url": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"title": "Url",
"description": "URL of the source. Null when it has none."
},
"acquired": {
"anyOf": [
{
"type": "string",
"format": "date"
},
{
"type": "null"
}
],
"title": "Acquired",
"description": "Date the source was retrieved. Null when not recorded."
}
},
"type": "object",
"required": [
"kind"
],
"title": "Source",
"description": "A document a classification is read from."
},
"Standard": {
"properties": {
"type": {
"type": "string",
"title": "Type",
"description": "Type of standard. One of `setback_front`, `setback_side`, `setback_side_combined`, `setback_side_street`, `setback_rear`, `setback_parking_front`, `setback_parking_side`, `setback_parking_side_street`, `setback_parking_rear`, `build_to_front`, `build_to_side_street`, `height_max_ft`, `height_max_stories`, `height_min_ft`, `height_min_stories`, `far_max`, `lot_area_min`, `lot_area_max`, `lot_width_min`, `lot_depth_min`, `lot_coverage_max`, `density_max`, `open_space_min`, `outdoor_amenity_min`, `impervious_max`, `parking_min` or `parking_max`."
},
"label": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"title": "Label",
"description": "Row of the ordinance's table the standard is read from, as published. Null when not published."
},
"value": {
"anyOf": [
{
"$ref": "#/$defs/Bound"
},
{
"type": "null"
}
],
"description": "The standard as a number range. Both `min` and `max` are null where the ordinance states no limit. Null when the standard is not numeric; see `text`."
},
"text": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"title": "Text",
"description": "The standard as published. Null when `value` is set."
},
"qualification": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"title": "Qualification",
"description": "Conditions on the standard, as published. Null when there are none."
},
"citation": {
"$ref": "#/$defs/Citation",
"description": "Where the ordinance states this."
}
},
"type": "object",
"required": [
"type",
"citation"
],
"title": "Standard",
"description": "A dimensional standard, such as a setback or height limit."
},
"UnlistedUses": {
"properties": {
"result": {
"type": "string",
"enum": [
"permitted",
"conditional",
"prohibited",
"unknown"
],
"title": "Result",
"description": "Whether an unlisted use is allowed. One of `permitted`, `conditional`, `prohibited` or `unknown`."
},
"process": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"title": "Process",
"description": "Approval required for an unlisted use, as published. Null when none is named."
},
"citation": {
"$ref": "#/$defs/Citation",
"description": "Where the ordinance states this."
}
},
"type": "object",
"required": [
"result",
"citation"
],
"title": "UnlistedUses",
"description": "The ordinance's rule for uses it does not list."
},
"Use": {
"properties": {
"code": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"title": "Code",
"description": "Use code, as published. Null when the ordinance gives no code."
},
"name": {
"type": "string",
"title": "Name",
"description": "Use name, as published."
},
"category": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"title": "Category",
"description": "Standard use category, shared across jurisdictions. Null when not yet classified."
}
},
"type": "object",
"required": [
"name"
],
"title": "Use",
"description": "A land use, as named in the ordinance."
},
"zoning__JurisdictionRef": {
"properties": {
"id": {
"type": "string",
"pattern": "^jur_[0-7][0-9a-hjkmnp-tv-z]{25}$",
"title": "Id",
"description": "A jurisdiction id."
},
"name": {
"type": "string",
"title": "Name",
"description": "The jurisdiction's common name."
},
"type": {
"type": "string",
"title": "Type",
"description": "Kind of jurisdiction, in local terms, such as `county`, `parish`, `city` or `town`."
},
"fips": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"title": "Fips",
"description": "The Census GEOID. Null outside the US."
},
"href": {
"type": "string",
"title": "Href",
"description": "The object's path in the API."
}
},
"type": "object",
"required": [
"id",
"name",
"type",
"href"
],
"title": "JurisdictionRef",
"description": "The jurisdiction that adopted the classification."
},
"zoning__Within": {
"properties": {
"id": {
"type": "string",
"pattern": "^jur_[0-7][0-9a-hjkmnp-tv-z]{25}$",
"title": "Id",
"description": "A jurisdiction id."
},
"name": {
"type": "string",
"title": "Name",
"description": "The jurisdiction's common name."
},
"tier": {
"type": "string",
"title": "Tier",
"description": "Level of government. One of `national`, `region` (a state or province), `subregion` (a county or district) or `local` (a city, town, village or township)."
},
"type": {
"type": "string",
"title": "Type",
"description": "Kind of jurisdiction, in local terms, such as `county`, `parish`, `city` or `town`."
},
"fips": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"title": "Fips",
"description": "The Census GEOID. Null outside the US."
}
},
"type": "object",
"required": [
"id",
"name",
"tier",
"type"
],
"title": "Within",
"description": "A jurisdiction that contains this one."
}
}
}Work with this as data
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