In Jefferson County, Colorado, which covers part of Westminster, we have measured 16,723 parcels on septic and 164,492 on sewer. That is a county measurement. We do not hold a septic count for Westminster on its own and this page does not estimate one. Westminster also extends into Adams County, which are reported separately below and are not included in that figure.
Westminster is a city in Jefferson and Adams Counties, Colorado. The Census Bureau puts its internal point at 39.880122, -105.061513 and its land area at 31.62 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.
| County | Records we hold | Parcels on septic | Parcels on sewer | County records portal | Searchable without an account |
|---|---|---|---|---|---|
| Jefferson County | 1,224 | 16,723 | 164,492 | county portal | no account needed |
| Adams County | 0 | 2,925 | 119,997 | county portal | account or login required |
Our collection for Jefferson County, Colorado is small, at 1,224 septic records. Treat it as a starting point for a Westminster property rather than a search that settles the question. The county is predominantly sewered: only 16,723 of 181,215 classified parcels are on septic. Septic properties near Westminster are the exception, which is exactly why owners often do not know they have one. 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.
Septic is one subject with very different jobs inside it. These go straight to the page that does yours.
| If you are a | Go to | Because it covers |
|---|---|---|
| Homeowner | Septic pumping in Westminster | keeping the system you have working |
| Buyer or seller | Buying or selling in Westminster | what to pull and check before closing |
| Realtor | Buying or selling in Westminster | the same records a seller needs on file |
| Designer or engineer | Septic design in Westminster | design flow, tank capacity, dispersal sizing |
| Installer or contractor | Septic installation in Westminster | site evaluation, permit sequence, inspection |
| Septic pumper | Septic pumping in Westminster | tank access, lids and service interval |
| Inspector | Septic inspection in Westminster | what gets checked and what a failure means |
| Land investor | Septic installation in Westminster | whether raw land can take a system at all |
These are real businesses we hold an address for, not a ranked or paid list. We take no fee and list nobody preferentially. Confirm current licensing with your county or state before hiring.
With an address in Westminster itself
| Business | Town on file | Phone | Rating |
|---|---|---|---|
| Benjamin Franklin Plumbing of Denver | Westminster | (720) 464-6204 | 2.7 (99) |
| My Buddy The Plumber | Westminster | (720) 740-0560 | 1.0 (1) |
No. We measure septic and sewer at parcel level and roll it up by county. In Jefferson County, Colorado, which covers part of Westminster, we have measured 16,723 parcels on septic and 164,492 on sewer. That is a county measurement. We do not hold a septic count for Westminster on its own and this page does not estimate one. Westminster also extends into Adams County, which are reported separately below and are not included in that figure.
Westminster is in Jefferson and Adams Counties, Colorado.
From the Census ZCTA-to-place relationship file, with the share of Westminster’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.
Straight-line distance from the Census internal point of Westminster.
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 Jefferson and Adams Counties, Colorado.