Organic pest control Watertown cost varies depending on the pest that you want to eliminate, the size of the area that needs pest control, labor, and location. Add to that the local permit fees that you need to secure before commencing with your pest control job. Most homeowners are estimated to pay between $76 and $746 for an organic pest control Watertown project. These amounts cover the cost of labor, materials and equipment needed for the pest control job, and all other project costs like surface preparation, components, machinery and clean up. These amounts do not reflect any permit fee that has to be paid, inspection fee, taxes and the hourly rate of a general contractor if you hire one.