--- title: "Allen's Septic & Portables, Llc in Onawa, IA: Phone and License Check | Licensed Septic" url: https://licensedseptic.com/septic-pumping/iowa/onawa/allens-septic-and-portables-llc/ description: "Allen's Septic & Portables, Llc, 521 10th St, Onawa, IA 51040. Phone (712) 433-1662. Iowa license 475, matched to the state list." source: Licensed Septic --- [Home](https://licensedseptic.com/) / [Septic pumping](https://licensedseptic.com/septic-pumping/) / [Iowa](https://licensedseptic.com/septic-pumping/iowa/) / [Onawa, IA](https://licensedseptic.com/septic-pumping/iowa/onawa/) / Allen's Septic & Portables, Llc # Allen's Septic & Portables, Llc Allen's Septic & Portables, Llc is listed as a septic service in Onawa, IA. ✓ Iowa license 475 [Call (712) 433-1662](tel:+17124331662) [Website](https://allenssepticandportables.com/) [Directions](https://www.google.com/maps/dir/?api=1&destination=521%2010th%20St%2C%20Onawa%2C%20IA%2051040) ## License check - **License number:** 475 - **Type:** Commercial Septic Tank Cleaner License - **Issued by:** Iowa Department of Natural Resources - **Name on the list:** ALLEN'S SEPTIC AND PORTABLES, LLC - **County on the list:** Monona - **State list:** [Open the list](https://www.iowadnr.gov/media/8587/download), dated 08-19-2026. We pulled it on 11-10-2026. - **[How we matched](https://licensedseptic.com/septic-license-lookup/#how-we-match):** The phone number matches the state list. **Before you call.** Ask for the total price and which fees can be added: digging up or opening the lid, extra sludge, a trip charge. Ask if they pump every compartment through the main lid and check the baffles. Ask for the license or permit number, then compare it to the one on this page. If the pumper says you need a repair, get three written quotes before you agree. ## Details - **Address:** 521 10th St, Onawa, IA 51040 - **Phone:** [(712) 433-1662](tel:+17124331662) - **Website:** [allenssepticandportables.com](https://allenssepticandportables.com/) - **Words in the name:** Portable toilets - **Source:** Overture Maps places, release ID 2026-10-21.0 (BrightQuery). Contributor record last updated 10-14-2026. Marked open in the source data. If this is your company, you can [fix or claim this listing](https://licensedseptic.com/for-pumpers/?listing=%2Fseptic-pumping%2Fiowa%2Fonawa%2Fallens-septic-and-portables-llc%2F) free. The EPA says household septic tanks are typically [pumped every three to five years](https://licensedseptic.com/how-often-to-pump-septic-tank/), and it puts routine maintenance at $250 to $500. ## Other septic companies near Onawa, IA ### [Parr Septic, LLC](https://licensedseptic.com/septic-pumping/iowa/monona-county/parr-septic-llc/) Mapleton, IA ✓ Iowa license 566 [Call (712) 880-2372](tel:+17128802372) ### [Jackson Pumping Service Corp.](https://licensedseptic.com/septic-pumping/iowa/sergeant-bluff/jackson-pumping-service-corp/) 1260 225th St, Sergeant Bluff, IA 51054 ✓ Iowa license 259 [Call (712) 276-7990](tel:+17122767990) [Website](http://jacksonpumpingservice.com/) ### [Moores Pumping & Portable Toilets LLC](https://licensedseptic.com/septic-pumping/iowa/woodbine/moores-pumping-and-portable-toilets-llc/) Woodbine, IA ✓ Iowa license 376 [Call (712) 647-3117](tel:+17126473117) ## Towns nearby - [Sergeant Bluff, IA](https://licensedseptic.com/septic-pumping/iowa/sergeant-bluff/) 28 mi - [Woodbine, IA](https://licensedseptic.com/septic-pumping/iowa/woodbine/) 28 mi - [Sioux City, IA](https://licensedseptic.com/septic-pumping/iowa/sioux-city/) 32 mi - [Missouri Valley, IA](https://licensedseptic.com/septic-pumping/iowa/missouri-valley/) 34 mi - [Blair, NE](https://licensedseptic.com/septic-pumping/nebraska/blair/) 34 mi