ZIP 80110 falls in Arapahoe County, Colorado, where we hold 13,964 septic-related documents. We have not classified septic-versus-sewer status for this county, and we do not have a per-ZIP parcel count -- see the county page for what we hold and where the records are kept.
ZCTA 80110 is not entirely inside one county. Land-area share is from the 2020 Census ZCTA-to-county relationship file.
| County | Land in this ZIP | Documents held | On septic (county) | On sewer (county) |
|---|---|---|---|---|
| Arapahoe County, Colorado | 97% | 13,964 | — | — |
| Denver County, Colorado | 3% | 1 | — | — |
2 businesses on record with an address in this ZIP: pumping, installation, design, inspection and repair. Not an endorsement, and we take no fee.
| Company | City | Phone | Rating |
|---|---|---|---|
| 1-800 WATER DAMAGE of South Denver | Englewood | (720) 601-0246 | 5.0 (4) |
| SWI Excavating | Englewood | (303) 922-8283 | — |
Land-area overlap is from the 2020 Census Bureau ZCTA5-to-county relationship file, not an estimate of ours. Parcel and document counts are rows we hold, not a survey of every property in the ZIP. Last verified 2026-09-01.
We have not measured septic-versus-sewer status for this county yet.
ZIP 80110 spans 2 counties: Arapahoe County, Colorado, Denver County, Colorado.