In Douglas County, Colorado, which covers Larkspur, we have measured 15,267 parcels on septic and 80,932 on sewer. That is a county measurement. We do not hold a septic count for Larkspur on its own and this page does not estimate one.
Larkspur is a town in Douglas County, Colorado. The Census Bureau puts its internal point at 39.229573, -104.885679 and its land area at 1.59 square miles. Septic permitting and record keeping happen at the county level, not the town 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 |
|---|---|---|---|---|---|
| Douglas County | 14,690 | 15,267 | 80,932 | county portal | no account needed |
We hold 14,690 septic records for Douglas County, Colorado. That is a substantial partial collection rather than a complete one, so a Larkspur property may or may not appear in it, and the county archive remains the authority. The county is predominantly sewered: only 15,267 of 96,199 classified parcels are on septic. Septic properties near Larkspur 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 Larkspur | keeping the system you have working |
| Buyer or seller | Buying or selling in Larkspur | what to pull and check before closing |
| Realtor | Buying or selling in Larkspur | the same records a seller needs on file |
| Designer or engineer | Septic design in Larkspur | design flow, tank capacity, dispersal sizing |
| Installer or contractor | Septic installation in Larkspur | site evaluation, permit sequence, inspection |
| Septic pumper | Septic pumping in Larkspur | tank access, lids and service interval |
| Inspector | Septic inspection in Larkspur | what gets checked and what a failure means |
| Land investor | Septic installation in Larkspur | whether raw land can take a system at all |
No. We measure septic and sewer at parcel level and roll it up by county. In Douglas County, Colorado, which covers Larkspur, we have measured 15,267 parcels on septic and 80,932 on sewer. That is a county measurement. We do not hold a septic count for Larkspur on its own and this page does not estimate one.
Larkspur is in Douglas County, Colorado.
From the Census ZCTA-to-place relationship file, with the share of Larkspur’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 Larkspur.
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 Douglas County, Colorado.