Marion County

Home permits and project costs in Indianapolis, IN

Consolidated city-county government means one permitting authority across nearly all of Marion County.

Model reviewed August 2026

Local cost index

-4%

vs national average

Permit fee index

-2%

vs national baseline

Population

887,642

Homeownership

54%

Do you need a permit in Indianapolis?

For most structural work, yes

Indianapolis enforces indiana residential code, based on the irc through Marion County. Roofing, electrical, plumbing, structural, pools and most exterior additions require a permit and inspection. Cosmetic work — paint, flooring, cabinet swaps — generally does not.

Project costs in Indianapolis

National baselines adjusted by the local labor and materials index.

Project	Typical cost	Permit	Deep pages
Roof Replacement	$9,400 – $31,700	required	Cost·Permit
AC Replacement	$5,100 – $15,200	required	Cost·Permit
Fence Installation	$2,300 – $10,700	usually required	Cost·Permit
Water Heater Replacement	$1,200 – $5,300	required	Cost·Permit
Pool Installation	$37,200 – $112,700	required	Cost·Permit
Window Replacement	$7,400 – $33,700	required	Cost·Permit
Electrical Panel Replacement	$1,900 – $6,700	required	Cost·Permit
Generator Installation	$6,400 – $21,500	required	Cost·Permit
Solar Panel Installation	$14,800 – $47,300	required	Cost·Permit
Kitchen Remodel	$17,500 – $89,200	conditional	Cost·Permit
Bathroom Remodel	$8,700 – $40,700	conditional	Cost·Permit
Driveway Replacement	$4,100 – $18,500	usually required	Cost·Permit
Paver Patio & Walkway	$3,400 – $15,500	conditional	Cost·Permit
Deck Construction	$5,400 – $27,300	required	Cost·Permit
Shed Installation	$1,700 – $11,600	conditional	Cost·Permit
Whole-House Repipe	$4,400 – $15,600	required	Cost·Permit
EV Charger Installation	$800 – $4,100	required	Cost·Permit
Hurricane Shutter Installation	$3,200 – $17,800	required	Cost·Permit
Pool Enclosure / Screen Cage	$8,800 – $41,300	required	Cost·Permit
Septic System Replacement	$7,400 – $27,600	required	Cost·Permit
Impact Window Installation	$9,000 – $41,800	required	Cost·Permit
Exterior Door Replacement	$900 – $6,400	usually required	Cost·Permit
Garage Door Replacement	$1,400 – $7,400	required	Cost·Permit
Siding Installation	$7,800 – $37,200	usually required	Cost·Permit
Stucco Repair	$900 – $15,500	conditional	Cost·Permit
Soffit & Fascia Replacement	$1,800 – $10,800	conditional	Cost·Permit
Gutter Installation	$900 – $6,300	rarely required	Cost·Permit
Roof Repair	$400 – $4,700	conditional	Cost·Permit
Flat Roof Replacement	$5,900 – $27,600	required	Cost·Permit
Attic Insulation	$1,200 – $7,300	rarely required	Cost·Permit
Ductwork Replacement	$2,500 – $11,800	required	Cost·Permit
Mini Split Installation	$2,400 – $12,300	required	Cost·Permit
Flooring Installation	$2,400 – $19,300	rarely required	Cost·Permit
Tile Installation	$1,700 – $15,400	rarely required	Cost·Permit
Interior Painting	$1,400 – $9,100	rarely required	Cost·Permit
Exterior Painting	$2,700 – $14,400	rarely required	Cost·Permit
Drywall Repair	$300 – $4,300	rarely required	Cost·Permit
Kitchen Cabinet Refacing	$4,300 – $19,200	rarely required	Cost·Permit
Countertop Replacement	$2,100 – $11,600	rarely required	Cost·Permit
Tub to Shower Conversion	$3,400 – $15,500	usually required	Cost·Permit
Sod Installation	$900 – $6,800	rarely required	Cost·Permit
Irrigation System Installation	$2,100 – $9,700	conditional	Cost·Permit
Tree Removal	$400 – $5,300	conditional	Cost·Permit
Outdoor Kitchen	$5,800 – $43,700	usually required	Cost·Permit
Seawall Repair	$7,900 – $93,600	required	Cost·Permit
Dock Construction	$8,900 – $83,700	required	Cost·Permit
Well Installation	$5,400 – $24,500	required	Cost·Permit
Mold Remediation	$1,400 – $14,500	conditional	Cost·Permit
Water Softener Installation	$1,200 – $6,300	usually required	Cost·Permit
Home Addition	$44,400 – $276,400	required	Cost·Permit
Heat Pump Replacement	$6,400 – $21,600	required	Cost·Permit
Furnace Replacement	$3,100 – $11,300	required	Cost·Permit
Foundation Repair	$2,700 – $31,100	usually required	Cost·Permit
Basement Waterproofing	$2,900 – $17,400	conditional	Cost·Permit
Drain Field Replacement	$5,900 – $24,400	required	Cost·Permit
Toilet Installation	$200 – $1,100	rarely required	Cost·Permit
Hot Tub Installation	$5,300 – $21,400	usually required	Cost·Permit

Indianapolis permitting basics

Jurisdiction	Indianapolis, Marion County
Building department	Official site
Permit portal	Apply online
Owner-builder permits	Homeowner permits allowed on owner-occupied property
Contractor verification	Verify any license with Indiana Department of Homeland Security before signing

Sources

Sources & verification

Model vintage August 2026. The links above are the issuing agencies' own pages — we publish them so you can confirm the current rule yourself, not as evidence that each fact on this page was re-checked with them today. Cost figures are modeled estimates based on national baselines adjusted for local labor and material pricing, not quotes. Permit rules change; confirm with the building department before starting work.