A tool by Firecrawl · uses 7 tools · Real Estate

Parcel zoning and hazard feasibility screen

Use when a developer, land buyer or architect needs a quick feasibility screen on a parcel before paying for surveys. Finds the county's parcel, zoning and flood layers on ArcGIS, queries them at the site, adds wildfire risk and observed rainfall history, and checks what already surrounds the lot in OpenStreetMap. Produces a go, dig deeper or stop screen.

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# Parcel zoning and hazard feasibility screen

For one address or parcel number. The site's point from step 1 is reused by every query.

## 1. Locate

1. Geocode the address with @[OpenStreetMap · Geocode](alexandria:openstreetmap-org/places/geocode): **lat**, **lon**, **county**, **state**.

## 2. Zoning and parcel

2. Find the county's parcel and zoning layers with @[ArcGIS · Search datasets](alexandria:arcgis-com/gis-layers/search_datasets) (q 'parcels <county>' and 'zoning <county or city>'); prefer authoritative feature services.
3. Read each layer's fields with @[ArcGIS · Describe layer](alexandria:arcgis-com/gis-layers/describe_layer) to find the APN, acreage, zoning code and land-use fields.
4. Query each layer at the point with @[ArcGIS · Query layer](alexandria:arcgis-com/gis-layers/query_layer): **APN**, **acreage**, **zoning district**, **land use**; then query the FEMA flood layer the same way for the **flood zone**.

## 3. Hazards and climate

5. Read @[Wildfire Risk to Communities · Wildfire risk for geometry](alexandria:wildfirerisk-org/wildfire-risk/wildfire_risk_for_geometry) at the point: **burn probability**, **risk to homes**, county percentile.
6. Read ten years of monthly precipitation at the point with @[ACIS · Monthly climate history](alexandria:rcc-acis-org/weather-history/monthly_climate_history): wettest months and extremes, for drainage and construction scheduling.

## 4. Context

7. List what lies within 500 m with @[OpenStreetMap · Search elements](alexandria:openstreetmap-org/places/search_elements) (landuse, building, highway tags): neighbours that shape access and approvals.

## Write the screen

- **Facts:** APN, acreage, zoning district, flood zone, wildfire class.
- **Fit:** whether the zoning name suggests the intended use; the code text itself must be read, so mark it to confirm.
- **Call:** go, dig deeper or stop, with the reason.
- **Sources:** cite each layer's URL and query. Say what could not be found, such as a county with no public zoning layer.
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