{
  "publisher": "DogPolicies",
  "version": "2026.11.01",
  "schemaVersion": "1.2",
  "generatedAt": "2026-11-01",
  "as_of": "2026-11-01",
  "license": {
    "name": "CC BY 4.0",
    "url": "https://creativecommons.org/licenses/by/4.0/"
  },
  "attribution_text": "DogPolicies, dogpolicies.com, CC BY 4.0, verified 2026-11-01",
  "attribution_url": "https://dogpolicies.com/",
  "terms_url": "https://dogpolicies.com/terms/",
  "disclaimer": "Provided as is. Every fact names its source and the date it was checked; rules change between checks, so confirm with the agency or business before you go. Service animals are governed by the ADA, not these pet rules.",
  "attribution": "DogPolicies (https://dogpolicies.com)",
  "place": {
    "id": "marsh-creek-state-historic-park",
    "uid": "plc_sp525",
    "name": "Marsh Creek State Historic Park",
    "type": "park",
    "url": "https://dogpolicies.com/places/marsh-creek-state-historic-park/",
    "canonical_url": "https://dogpolicies.com/places/marsh-creek-state-historic-park/",
    "markdown_url": "https://dogpolicies.com/places/marsh-creek-state-historic-park.md",
    "json_url": "https://dogpolicies.com/api/v1/places/marsh-creek-state-historic-park.json",
    "citation": "Marsh Creek State Historic Park (Brentwood, CA): No. Not open to the public. Source: California Department of Parks and Recreation, checked 2026-10-26. DogPolicies record: https://dogpolicies.com/places/marsh-creek-state-historic-park/ (CC BY 4.0; cite with link).",
    "answer": {
      "status": "no",
      "headline": "No. Not open to the public."
    },
    "status": "published",
    "confirmedBy": null,
    "regionId": "bay-area",
    "areaId": "east-bay",
    "state": "CA",
    "county": "Contra Costa",
    "city": "Brentwood",
    "address": "21520 Marsh Creek Road",
    "zip": "94513",
    "geo": {
      "lat": 37.89174,
      "lon": -121.7207
    },
    "website": "https://www.parks.ca.gov/?page_id=525",
    "phone": null,
    "managingAgency": "California State Parks",
    "brandId": null,
    "facts": {
      "dogsAllowed": {
        "value": "no",
        "display": "No",
        "source": "rules",
        "ruleId": "rul_sp525_dogsallowed",
        "confidence": "stated",
        "verifiedAt": "2026-10-26",
        "freshness": "fresh"
      },
      "restrictions": {
        "value": "Not open to the public.",
        "display": "Not open to the public.",
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        "confidence": "stated",
        "verifiedAt": "2026-10-26",
        "freshness": "fresh"
      }
    },
    "notStated": [],
    "tags": [],
    "rules": [
      "Dogs must be on a leash no longer than 6 feet and physically under your control at all times.",
      "Dogs may not be left unattended. Overnight campers must keep dogs in a tent or vehicle.",
      "Unless an area is specifically designated for dogs on leash, dogs are not allowed in buildings, undeveloped areas or on trails.",
      "Clean up after your dog.",
      "Proof of vaccinations and a valid dog license may be required."
    ],
    "ruleRecords": [
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        "id": "rul_sp525_dogsallowed",
        "placeId": "marsh-creek-state-historic-park",
        "kind": "dogsAllowed",
        "label": "Dogs allowed",
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        "note": null,
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        "sourceUrl": "https://www.parks.ca.gov/Dogs",
        "sourcePublisher": "California Department of Parks and Recreation",
        "sourceKind": "government",
        "quote": "Marsh Creek State Historic Park | Dogs Allowed? No | Not open to the public.",
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        "reviewDue": "2026-11-25",
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        "quote": "Marsh Creek State Historic Park | Dogs Allowed? No | Not open to the public.",
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          "Unless an area is specifically designated for dogs on leash, dogs are not allowed in buildings, undeveloped areas or on trails.",
          "Clean up after your dog.",
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        ],
        "text": null,
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    ],
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        "publisher": "California Department of Parks and Recreation",
        "title": "Visiting State Parks With Your Dog",
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}