{
 "fips": "53045",
 "state": "WA",
 "county": "Mason",
 "slug": "mason",
 "records": {
  "held": 76934,
  "text_searchable_pct": 97
 },
 "parcels": {
  "on_septic": null,
  "on_sewer": null,
  "classified": null,
  "status": "unmeasured",
  "note": "Not classified by us. This is not an estimate of zero."
 },
 "records_access": {
  "portal_url": "https://dms.masoncountywa.gov/WebLink/",
  "platform": "laserfiche",
  "anonymous_search": true,
  "tested": true,
  "finding": null
 },
 "custodian": null,
 "public_records_law": {
  "act": "Chapter RCW 42.56 (Public Records Act)",
  "response_days": 5,
  "deadline_basis": "business days"
 },
 "providers_listed": 71,
 "pages": {
  "county_records": "https://parcelperfectseptic.com/septic-records/wa/mason/",
  "companies": "https://parcelperfectseptic.com/septic-records/companies/wa/county/mason/",
  "state_rules": "https://parcelperfectseptic.com/septic-records/rules/wa/",
  "map": "https://parcelperfectseptic.com/"
 },
 "last_verified": "2026-09-01"
}