Questions about Celtic Rainwater Systems
Summary: Short answers to the questions people ask most about Celtic Rainwater Systems and about gutters and drainage in Indianapolis. Each answer points to the page that covers it in full.
Where is Celtic Rainwater Systems?
At 8059 Castleton Road, Indianapolis, IN 46250; phone (317) 450-4648. See location and hours.[1]
When was the company formed?
Celtic Rainwater Systems, LLC was formed in Indiana in 2022; aggregators of state records give 2 March 2022. See company history.[2]
What are its hours?
Monday to Friday, 8 am to 7 pm, per its Google listing on 9 November 2026. No weekend hours are listed, and the website itself does not publish hours, so call ahead before visiting the Castleton Road office.[3]
What does it do?
Gutter installation (5-inch, 6-inch, half-round), gutter guards, gutter cleaning with a seasonal plan, PVC downspout drainlines, pop-up emitters, French drains and sump pumps. See drainage services.[4][5]
How much does it charge?
It does not publish prices. Four verified Angi reviews list seamless gutter installs at $2,000 to $5,000. See gutter installation.[6]
How is it rated?
5.0 from 137 Google reviews and 5.0 from 9 on Angi and HomeAdvisor on 9 November 2026; not BBB accredited. See reviews and profiles.[3][6][7]
Do I need a permit for gutters in Indianapolis?
No, not on a one- or two-family home. See hiring a gutter contractor.[8]
Can downspouts drain into the sewer?
Not into the sanitary sewer. Citizens Energy Group says they should discharge on the ground at least 3 feet from the house. See downspouts and the sanitary sewer.[9]
What is the stormwater fee?
$1.65 a month per 1,000 square feet of impervious area (one base billing unit) in 2026. See stormwater fee.[10]
How much rain falls in Indianapolis?
About 43.6 inches a year on average at Indianapolis International Airport over 1996 to 2025, with May and June the wettest months and roughly 11 days a year bringing an inch or more. See rainfall data.[11]
How should my yard slope?
At least 6 inches of fall in the first 10 feet from the foundation for new construction under the IRC, and 2% for hard surfaces such as patios within 10 feet. See grading.[12]
Do gutters cause ice dams?
No. Warm air leaking into the attic melts roof snow, which refreezes at the eaves. Gutters packed with leaves can fill with ice and pull loose, so clean them before winter. See ice dams.[13]
See also
References
- ^ Contact (request a free quote or on-site visit). Celtic Rainwater Systems (celticrainwater.com). Accessed 9 November 2026.
- ^ Celtic Rainwater Systems, LLC (Indiana company profile). Bizapedia. Accessed 9 November 2026.
- ^ a b Celtic Rainwater Systems, Google Business Profile (Maps listing, CID 10935833364039632680). Google Maps. Accessed 9 November 2026.
- ^ Celtic Rainwater Systems (home page: mission, about us, areas of expertise). Celtic Rainwater Systems (celticrainwater.com). Accessed 9 November 2026.
- ^ Drainage (PVC downspout drainlines, French drains, basement drainage and sump pumps). Celtic Rainwater Systems (celticrainwater.com). Accessed 9 November 2026.
- ^ a b Celtic Rainwater Systems LLC reviews, Indianapolis, IN. Angi. Accessed 9 November 2026.
- ^ Celtic Rainwater Systems, BBB business profile search. Better Business Bureau. Accessed 9 November 2026.
- ^ Homeowner’s Building Permit Guide (work exempt from permitting; local design criteria). City of Indianapolis and Marion County, Department of Business and Neighborhood Services. Accessed 9 November 2026.
- ^ Our Wastewater Correct Connect Initiative. Citizens Energy Group. Accessed 9 November 2026.
- ^ Stormwater User Rate, Payment Options and Credit Manual. City of Indianapolis (indy.gov). Accessed 9 November 2026.
- ^ Global Historical Climatology Network daily (GHCNd), station USW00093819, Indianapolis International Airport. NOAA National Centers for Environmental Information. Accessed 9 November 2026.
- ^ 2021 International Residential Code, Section R401.3 Drainage. International Code Council. Accessed 9 November 2026.
- ^ Attic Air Sealing, Insulating, and Ventilating for Ice Dam Prevention. Building America Solution Center (PNNL, U.S. DOE). Accessed 9 November 2026.