{
    "coverage": {
        "US Census": {
            "geoid": "53055",
            "name": "San Juan County",
            "state": "Washington"
        },
        "country": "us",
        "state": "wa",
        "county": "San Juan"
    },
    "data": "http://sjcgis.org/arcgis/rest/services/Polaris/Buildings/MapServer/0",
    "protocol": "ESRI",
    "conform": {
        "number": {
            "function": "regexp",
            "field": "FULLADDR",
            "pattern": "^([0-9]+)"
        },
        "street": {
            "function": "regexp",
            "field": "FULLADDR",
            "pattern": "^(?:[0-9]+ )(.*)",
            "replace": "$1"
        },
        "addrtype": "BLDGTYPE",
        "format": "geojson"
    }
}

{
    "coverage": {
        "US Census": {
            "geoid": "53055",
            "name": "San Juan County",
            "state": "Washington"
        },
        "country": "us",
        "state": "wa",
        "county": "San Juan"
    },
    "data": "https://gis.sanjuanco.com/arcgis/rest/services/Polaris/Buildings/MapServer/0",
    "protocol": "ESRI",
    "conform": {
        "number": {
            "function": "regexp",
            "field": "FULLADDR",
            "pattern": "^([0-9]+)"
        },
        "street": {
            "function": "regexp",
            "field": "FULLADDR",
            "pattern": "^(?:[0-9]+ )(.*)",
            "replace": "$1"
        },
        "addrtype": "BLDGTYPE",
        "format": "geojson"
    }
}

Update URL for San Juan County WA addresses
Update URL for San Juan County WA addresses

The API url has changed for this county, so I've updated it here.