Fulton County

Home permits and project costs in Johns Creek, GA

Johns Creek sits in Fulton County, Georgia. Long cooling seasons and sustained humidity push HVAC sizing, attic ventilation and moisture detailing to the front of most exterior projects. Work outside city limits is permitted by the county building department rather than the city.

Model reviewed August 2026

Local cost index

-6%

vs national average

Permit fee index

-10%

vs national baseline

Population

82,453

Homeownership

Do you need a permit in Johns Creek?

For most structural work, yes

Johns Creek enforces georgia state minimum standard codes, based on the irc through Fulton 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 Johns Creek

National baselines adjusted by the local labor and materials index.

Project	Typical cost	Permit	Deep pages
Roof Replacement	$9,200 – $30,800	required	Cost·Permit
AC Replacement	$5,000 – $14,900	required	Cost·Permit
Fence Installation	$2,300 – $10,500	usually required	Cost·Permit
Water Heater Replacement	$1,100 – $5,100	required	Cost·Permit
Pool Installation	$36,300 – $109,900	required	Cost·Permit
Window Replacement	$7,300 – $32,900	required	Cost·Permit
Electrical Panel Replacement	$1,800 – $6,500	required	Cost·Permit
Generator Installation	$6,200 – $21,000	required	Cost·Permit
Solar Panel Installation	$14,600 – $46,700	required	Cost·Permit
Kitchen Remodel	$17,200 – $88,000	conditional	Cost·Permit
Bathroom Remodel	$8,600 – $40,100	conditional	Cost·Permit
Driveway Replacement	$4,000 – $18,100	usually required	Cost·Permit
Paver Patio & Walkway	$3,300 – $15,200	conditional	Cost·Permit
Deck Construction	$5,200 – $26,700	required	Cost·Permit
Shed Installation	$1,700 – $11,400	conditional	Cost·Permit
Whole-House Repipe	$4,300 – $15,200	required	Cost·Permit
EV Charger Installation	$800 – $4,000	required	Cost·Permit
Hurricane Shutter Installation	$3,100 – $17,300	required	Cost·Permit
Pool Enclosure / Screen Cage	$8,600 – $40,200	required	Cost·Permit
Septic System Replacement	$7,200 – $26,900	required	Cost·Permit
Impact Window Installation	$8,700 – $40,800	required	Cost·Permit
Exterior Door Replacement	$900 – $6,200	usually required	Cost·Permit
Garage Door Replacement	$1,300 – $7,200	required	Cost·Permit
Siding Installation	$7,600 – $36,300	usually required	Cost·Permit
Stucco Repair	$900 – $15,200	conditional	Cost·Permit
Soffit & Fascia Replacement	$1,700 – $10,500	conditional	Cost·Permit
Gutter Installation	$900 – $6,200	rarely required	Cost·Permit
Roof Repair	$400 – $4,600	conditional	Cost·Permit
Flat Roof Replacement	$5,800 – $26,900	required	Cost·Permit
Attic Insulation	$1,200 – $7,200	rarely required	Cost·Permit
Ductwork Replacement	$2,400 – $11,500	required	Cost·Permit
Mini Split Installation	$2,300 – $12,000	required	Cost·Permit
Flooring Installation	$2,400 – $19,100	rarely required	Cost·Permit
Tile Installation	$1,700 – $15,100	rarely required	Cost·Permit
Interior Painting	$1,400 – $8,900	rarely required	Cost·Permit
Exterior Painting	$2,600 – $14,100	rarely required	Cost·Permit
Drywall Repair	$300 – $4,200	rarely required	Cost·Permit
Kitchen Cabinet Refacing	$4,300 – $18,900	rarely required	Cost·Permit
Countertop Replacement	$2,100 – $11,500	rarely required	Cost·Permit
Tub to Shower Conversion	$3,300 – $15,200	usually required	Cost·Permit
Sod Installation	$900 – $6,700	rarely required	Cost·Permit
Irrigation System Installation	$2,100 – $9,500	conditional	Cost·Permit
Tree Removal	$400 – $5,100	conditional	Cost·Permit
Outdoor Kitchen	$5,700 – $42,800	usually required	Cost·Permit
Seawall Repair	$7,700 – $90,900	required	Cost·Permit
Dock Construction	$8,600 – $81,300	required	Cost·Permit
Well Installation	$5,200 – $23,800	required	Cost·Permit
Mold Remediation	$1,400 – $14,100	conditional	Cost·Permit
Water Softener Installation	$1,100 – $6,200	usually required	Cost·Permit
Home Addition	$43,200 – $268,800	required	Cost·Permit
Heat Pump Replacement	$6,300 – $21,200	required	Cost·Permit
Furnace Replacement	$3,100 – $11,100	required	Cost·Permit
Foundation Repair	$2,700 – $30,500	usually required	Cost·Permit
Basement Waterproofing	$2,900 – $17,100	conditional	Cost·Permit
Drain Field Replacement	$5,700 – $23,800	required	Cost·Permit
Toilet Installation	$200 – $1,000	rarely required	Cost·Permit
Hot Tub Installation	$5,200 – $20,900	usually required	Cost·Permit

Johns Creek permitting basics

Jurisdiction	Johns Creek, Fulton County
Building department	Confirm with the city or county
Permit portal	No verified online portal on file
Owner-builder permits	Homeowner permits allowed on owner-occupied property in most jurisdictions
Contractor verification	Verify any license with Georgia Department of Community Affairs before signing

Sources

Sources & verification

Georgia Department of Community Affairs

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.