Mountlake Terrace, WA Public Records
Mountlake Terrace is an incorporated city in Snohomish County, Washington, with an estimated population of 25,198 (U.S. Census Bureau, July 2024 estimate) and 4.1 square miles of land. That is up about 3,908 residents since the 2020 Census base.
🏢 Mountlake Terrace City Hall
Mountlake Terrace's own city government keeps its local records: council or board meeting minutes, local ordinances and resolutions, local permits and licenses, and its own budget and contracts. Requests for those records go to the city clerk under the Washington Public Records Act. Birth and death certificates, marriage records, deeds and court files are generally kept by county and state offices rather than by the city; see the offices below.
📇 Mountlake Terrace Contact on File
| Government | City Of Mountlake Terrace |
| Contact listed | Finance Director |
| Mailing address | PO Box 72, Mountlake Terrace, WA 98043 |
| Phone | Not stated |
| Official website | www.cityofmlt.com |
| Source | U.S. Census Bureau, 2022 Census of Governments: Government Units listing ↗ |
This is the mailing address the government reported to the U.S. Census Bureau; it may be a post office box or the office of an elected official rather than a public counter, and the source does not list a phone number. The website was reported by the government and was answering when we last checked. Call or check the official website before you visit.
↑ Back to record types🏛️ County Courthouse & Records Office for Mountlake Terrace
Mountlake Terrace is in Snohomish County. In Washington, deeds, mortgages and other land records are recorded by the County Auditor or county recording office. Divorce cases in Washington are heard by the Superior Court in each county. Wills and estates in Washington are handled by the Superior Court in each county.
📍 Snohomish County at a Glance
| County | Snohomish County |
| County population (2024 est.) | 864,113 Source: www2.census.gov ↗ |
⚖️ Snohomish County Superior Court
| Address | 3000 Rockefeller Ave, MS 502, Everett, WA 98201-4046 |
| Directions | Get directions ↗ |
| Phone | (425) 388-3421 |
| Hours | Not stated |
| Records available | Superior court cases (civil, felony criminal, family, probate, juvenile) |
| Official website | snohomishcountywa.gov |
| Sources | courts.wa.gov/…/290.html ↗ |
| Last verified | October 16, 2026 |
📜 Snohomish County Clerk
| Address | 3000 Rockefeller Ave, Mission Bldg, Fl 2, MS 605, Everett, WA 98201-4046 |
| Directions | Get directions ↗ |
| Phone | (425) 388-3411 |
| Hours | Not stated |
| Records available | Superior court case files and records (the County Clerk is the clerk of the Superior Court) |
| Official website | snohomishcountywa.gov |
| Sources | courts.wa.gov/…/290.html ↗ |
| Last verified | October 16, 2026 |
See the full Snohomish County records page →
↑ Back to record types📋 Where to Get Records for Mountlake Terrace
Where to get the most-requested public records for people and property in Mountlake Terrace, WA:
📋 Mountlake Terrace Records Guide
| Birth & death certificates | Washington State Department of Health – Vital RecordsCertified birth and death certificates for Washington are issued by the state vital records office; in some places a county or local office can also issue copies. |
| Deeds & property records | In Washington, deeds, mortgages and other land records are recorded by the County Auditor or county recording office. |
| Court cases & divorce | Snohomish County courthouse. Divorce cases in Washington are heard by the Superior Court in each county. |
| Wills & estates | Wills and estates in Washington are handled by the Superior Court in each county. |
| State court system | Washington Courts |
| Sex offender registry | Washington Sex Offender Information (WASPC) |