Septic records and services in Mountlake Terrace, Washington

In Snohomish County, Washington, which covers Mountlake Terrace, we have measured 57,732 parcels on septic and 199,061 on sewer. That is a county measurement. We do not hold a septic count for Mountlake Terrace on its own and this page does not estimate one.

What Mountlake Terrace is, in the records

Mountlake Terrace is a city in Snohomish County, Washington. The Census Bureau puts its internal point at 47.794329, -122.302607 and its land area at 4.06 square miles. Septic permitting and record keeping happen at the county level, not the city level, which is why every figure below is attributed to the county and linked back to the county page it came from.

What we hold for the county that covers Mountlake Terrace

Snohomish County, Washington is one of the more heavily documented counties in our collection: we hold 155,022 septic records for it, so the odds that a specific Mountlake Terrace address already has a filed document we can point you at are good. The county is genuinely mixed: 57,732 of 256,793 classified parcels are on septic and the rest are sewered. Which side of that line a Mountlake Terrace address falls on is worth establishing before anything else. The county publishes a records portal that we were able to search without creating an account, which makes checking a specific parcel something you can do yourself in a few minutes.

Start from who you are

Septic is one subject with very different jobs inside it. These go straight to the page that does yours.

Questions people ask

Does Parcel Perfect have a septic count for Mountlake Terrace?

No. We measure septic and sewer at parcel level and roll it up by county. In Snohomish County, Washington, which covers Mountlake Terrace, we have measured 57,732 parcels on septic and 199,061 on sewer. That is a county measurement. We do not hold a septic count for Mountlake Terrace on its own and this page does not estimate one.

Which county is Mountlake Terrace in?

Mountlake Terrace is in Snohomish County, Washington.

Records and services around Mountlake Terrace

• Snohomish County septic records — what we hold, and where the county keeps the originals
• Washington septic regulations — the rules that actually bind here, which no page on this site restates from memory
• Washington septic records index

ZIP codes that overlap Mountlake Terrace

From the Census ZCTA-to-place relationship file, with the share of Mountlake Terrace’s land area that falls in each. A ZIP is not a place boundary and the two only ever partly agree, which is exactly why both pages exist.

• ZIP 98043 (100% of the city)
• ZIP 98036 (0% of the city)
• ZIP 98026 (0% of the city)

Nearest other places

Straight-line distance from the Census internal point of Mountlake Terrace.

• Brier — 1.4 mi
• Alderwood Manor — 2.2 mi
• Esperance — 2.2 mi
• Lynnwood — 2.4 mi
• Lake Forest Park — 2.5 mi
• Edmonds — 2.7 mi
• Bothell West — 3.0 mi
• Shoreline — 3.3 mi
• Woodway — 4.0 mi
• Kenmore — 4.0 mi
• Larch Way — 4.1 mi
• North Lynnwood — 4.3 mi
• Meadowdale — 4.7 mi
• Martha Lake — 4.7 mi
• Bothell — 4.8 mi
• Bothell East — 5.5 mi
• Picnic Point — 5.7 mi
• Mill Creek East — 6.1 mi
• Lake Stickney — 6.1 mi
• Mill Creek — 6.5 mi
• Woodinville — 7.7 mi
• Clearview — 7.7 mi
• Kirkland — 8.2 mi
• Mukilteo — 8.2 mi
• Silver Firs — 8.6 mi
• Eastmont — 9.1 mi
• Maltby — 9.1 mi
• Kingston — 9.5 mi

Get the septic design for a property here

Parcel Perfect generates a code-shaped septic design and as-built style drawing for a parcel from the records and site data we hold, and shows every parcel we have classified as septic or sewer on one map. Both are open to use for any parcel in Snohomish County, Washington.

Open the parcel map and design tool