Septic records and services in Northwest Harbor, New York

In Suffolk County, New York, which covers Northwest Harbor, we have measured 355,991 parcels on septic and 108,182 on sewer. That is a county measurement. We do not hold a septic count for Northwest Harbor on its own and this page does not estimate one.

What Northwest Harbor is, in the records

Northwest Harbor is a census-designated place in Suffolk County, New York. The Census Bureau puts its internal point at 41.013774, -72.220394 and its land area at 14.48 square miles. Septic permitting and record keeping happen at the county level, not the census-designated place 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 Northwest Harbor

Our collection for Suffolk County, New York is small, at 64 septic records. Treat it as a starting point for a Northwest Harbor property rather than a search that settles the question. Of the parcels we have classified in the county, most are on septic rather than sewer (355,991 of 464,173). A property near Northwest Harbor is more likely than not to have its own system. 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 Northwest Harbor?

No. We measure septic and sewer at parcel level and roll it up by county. In Suffolk County, New York, which covers Northwest Harbor, we have measured 355,991 parcels on septic and 108,182 on sewer. That is a county measurement. We do not hold a septic count for Northwest Harbor on its own and this page does not estimate one.

Which county is Northwest Harbor in?

Northwest Harbor is in Suffolk County, New York.

Records and services around Northwest Harbor

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

ZIP codes that overlap Northwest Harbor

From the Census ZCTA-to-place relationship file, with the share of Northwest Harbor’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 11937 (100% of the census-designated place)
• ZIP 11963 (0% of the census-designated place)

Nearest other places

Straight-line distance from the Census internal point of Northwest Harbor.

• East Hampton North — 3.3 mi
• Springs — 3.4 mi
• Sag Harbor — 3.8 mi
• Wainscott — 4.5 mi
• East Hampton — 4.5 mi
• Shelter Island — 4.9 mi
• North Haven — 4.9 mi
• Amagansett — 5.2 mi
• Sagaponack — 6.3 mi
• Bridgehampton — 6.7 mi
• Noyack — 7.0 mi
• Shelter Island Heights — 7.8 mi
• Napeague — 8.2 mi
• Dering Harbor — 8.3 mi
• Water Mill — 9.3 mi
• Orient — 9.5 mi
• Greenport — 9.8 mi
• Greenport West — 10.1 mi
• East Marion — 10.3 mi
• North Sea — 11.2 mi
• Southold — 11.5 mi
• Peconic — 12.8 mi
• Southampton — 13.4 mi
• New Suffolk — 13.5 mi
• Tuckahoe — 13.6 mi
• Cutchogue — 13.9 mi
• Montauk — 14.5 mi
• Shinnecock Hills — 14.9 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 Suffolk County, New York.

Open the parcel map and design tool