Spain Public Auctions (BOE): Judicial & Tax Auctions as Clean JSON

Every public auction in Spain, structured. Live feed from the official Spanish auction portal (subastas.boe.es): judicial foreclosures, tax-agency and administrative auctions: with the numbers and the asset data investors actually need, one JSON record per auction.

The official portal is a search form with no API. This Actor turns it into data: "give me every open auction in Madrid with its auction value, minimum bid, deposit, address, cadastral reference and charges."

What you get per auction

{
  "id": "SUB-JA-2025-246146",
  "type": "JUDICIAL EN VÍA DE APREMIO",
  "startsAt": "2025-04-18T18:00:00+02:00",
  "endsAt": "2026-07-05T12:27:24+02:00",
  "claimedAmountEur": 6953.30,
  "auctionValueEur": 325095.43,
  "appraisalValueEur": 325095.43,
  "minBidEur": null,
  "bidIncrementEur": 6501.90,
  "depositEur": 16254.77,
  "boeAnnouncement": "BOE-B-2025-13955",
  "url": "https://subastas.boe.es/detalleSubasta.php?idSub=SUB-JA-2025-246146",
  "attribution": "Basado en datos de la Agencia Estatal Boletín Oficial del Estado, https://www.boe.es",
  "assets": [
    {
      "description": "VIVIENDA SITA EN C/DEL BARCO Nº27 4ºB MADRID 28004 57 M",
      "postalCode": "28004",
      "city": "MADRID",
      "province": "Madrid",
      "possessionStatus": "No consta",
      "visitable": "No",
      "charges": "SIN CARGAS"
    }
  ]
}

Note (2026-09): address, cadastral reference, land-registry entry, custodian ("depositario") and vehicle plate/VIN are not included. They identify a specific person or their home/vehicle in a structured, bulk-queryable way, beyond what this feed needs for screening auctions. description keeps the official wording of the asset as published; city/postalCode cover area filtering.

Why investors use it

• The spread is visible: auction value vs appraisal vs minimum bid: the discount math is one subtraction away.
• Charges and possession status: the two fields that turn a "bargain" into a money pit: surfaced, not buried in a PDF.
• ISO dates: bidding deadlines you can sort, filter and alert on.
• Official source: the State's own auction portal, every record with its BOE announcement id.

Use cases

• Real-estate investors: daily sweep of open auctions in your provinces, filtered by value band.
• Proptech / data teams: structured feed to enrich with Catastro, idealista comps or your AVM.
• Lawyers / insolvency pros: track auctions tied to specific proceedings.
• AI agents: "find me flats at auction in Madrid under 200k ending this month": one tool call.

Input

Field	Description
status	EJ in progress (default) · PU upcoming · CO concluded
provinces	Names or INE codes: ["Madrid", "08"]: empty for all of Spain
maxAuctions	Cap per run (default 50)
includeAssets	Fetch per-auction asset details (default true)
minAuctionValue / maxAuctionValue	Value band filter (EUR)

Data source and license

All data comes from the Agencia Estatal Boletín Oficial del Estado (BOE), Spain's official state gazette, through its public auction portal (subastas.boe.es). Reuse is governed by the BOE legal notice, which allows commercial and non-commercial reuse and requires citing the source. Since this Actor extracts and restructures the portal's data into JSON (a derivative work under Condición Cuarta of that notice), every record carries an attribution field with the exact required citation: "Basado en datos de la Agencia Estatal Boletín Oficial del Estado", linking to https://www.boe.es. This Actor is not affiliated with or endorsed by the BOE.

Personal data note: auctions in progress (EJ) publish assets seized from a debtor. This Actor does not extract address, cadastral reference, land-registry entry, custodian name or vehicle plate/VIN: fields that identify a specific person or their home/vehicle, even though the official portal publishes them. Only city/postalCode (area-level) and the asset's own official description are kept. For rural properties (RUSTICA), the description's boundary-neighbours clause ("LINDA...", "LINDEROS:...") names the neighbouring landowners, also natural persons, so it is replaced with [linderos omitidos]; the rest of the description (surface, crop, municipality, cadastral parcel/polygon) is kept.

Use with AI agents (MCP)

This Actor is exposed as a tool on the Apify MCP Server:

{
  "mcpServers": {
    "spain-boe-auctions": {
      "url": "https://mcp.apify.com?tools=jdepablos/spain-boe-auctions",
      "headers": { "Authorization": "Bearer <APIFY_TOKEN>" }
    }
  }
}

Pairs well with Spanish Company Feed (BORME): same official-source discipline, company events instead of auctions.

Pricing

Pay per event: one flat fee per auction returned, asset details included. Failed fetches are never charged.

FAQ

How fresh is the data? It is scraped live from the official portal at run time: auctions open and close daily; run it on a schedule for monitoring.

Vehicles and other assets too? Yes: the portal covers real estate, vehicles and other seized assets. Asset fields adapt (brand/model for vehicles; plate and VIN are not extracted, see Data source and license).

Why is minBidEur sometimes null? "Sin puja mínima": the auction has no minimum bid, which is exactly the kind you may care about.

More data tools by this developer

• eBay Sold Price Appraiser: real market value from confirmed sales
• Second-hand Deal Scanner ES: Vinted/Wallapop/Milanuncios deals vs eBay sold
• Spanish Company Feed (BORME): daily registry acts as JSON
• Trademark Watch (TMview): new filings & opposition deadlines