Horry County

Home permits and project costs in Myrtle Beach, SC

Myrtle Beach sits in Horry County, South Carolina. Coastal wind design and salt-air corrosion raise material specifications for roofing, fasteners, siding and mechanical equipment. Work outside city limits is permitted by the county building department rather than the city.

Model reviewed August 2026

Local cost index

-11%

vs national average

Permit fee index

-15%

vs national baseline

Population

38,000

Homeownership

Do you need a permit in Myrtle Beach?

For most structural work, yes

Myrtle Beach enforces south carolina residential code, based on the irc through Horry 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 Myrtle Beach

National baselines adjusted by the local labor and materials index.

Project	Typical cost	Permit	Deep pages
Roof Replacement	$8,600 – $28,900	required	Cost·Permit
AC Replacement	$4,700 – $14,100	required	Cost·Permit
Fence Installation	$2,200 – $9,900	usually required	Cost·Permit
Water Heater Replacement	$1,100 – $4,800	required	Cost·Permit
Pool Installation	$34,000 – $103,000	required	Cost·Permit
Window Replacement	$6,900 – $31,100	required	Cost·Permit
Electrical Panel Replacement	$1,700 – $6,100	required	Cost·Permit
Generator Installation	$5,800 – $19,700	required	Cost·Permit
Solar Panel Installation	$13,900 – $44,400	required	Cost·Permit
Kitchen Remodel	$16,400 – $83,700	conditional	Cost·Permit
Bathroom Remodel	$8,100 – $38,000	conditional	Cost·Permit
Driveway Replacement	$3,800 – $17,000	usually required	Cost·Permit
Paver Patio & Walkway	$3,100 – $14,400	conditional	Cost·Permit
Deck Construction	$4,900 – $25,100	required	Cost·Permit
Shed Installation	$1,600 – $10,800	conditional	Cost·Permit
Whole-House Repipe	$4,000 – $14,200	required	Cost·Permit
EV Charger Installation	$700 – $3,800	required	Cost·Permit
Hurricane Shutter Installation	$2,900 – $16,200	required	Cost·Permit
Pool Enclosure / Screen Cage	$8,100 – $37,600	required	Cost·Permit
Septic System Replacement	$6,700 – $25,200	required	Cost·Permit
Impact Window Installation	$8,200 – $38,400	required	Cost·Permit
Exterior Door Replacement	$800 – $5,800	usually required	Cost·Permit
Garage Door Replacement	$1,300 – $6,700	required	Cost·Permit
Siding Installation	$7,200 – $34,200	usually required	Cost·Permit
Stucco Repair	$800 – $14,400	conditional	Cost·Permit
Soffit & Fascia Replacement	$1,600 – $9,900	conditional	Cost·Permit
Gutter Installation	$800 – $5,900	rarely required	Cost·Permit
Roof Repair	$400 – $4,300	conditional	Cost·Permit
Flat Roof Replacement	$5,400 – $25,200	required	Cost·Permit
Attic Insulation	$1,100 – $6,900	rarely required	Cost·Permit
Ductwork Replacement	$2,300 – $10,900	required	Cost·Permit
Mini Split Installation	$2,200 – $11,400	required	Cost·Permit
Flooring Installation	$2,300 – $18,100	rarely required	Cost·Permit
Tile Installation	$1,600 – $14,300	rarely required	Cost·Permit
Interior Painting	$1,300 – $8,300	rarely required	Cost·Permit
Exterior Painting	$2,500 – $13,200	rarely required	Cost·Permit
Drywall Repair	$300 – $4,000	rarely required	Cost·Permit
Kitchen Cabinet Refacing	$4,000 – $17,900	rarely required	Cost·Permit
Countertop Replacement	$2,000 – $11,000	rarely required	Cost·Permit
Tub to Shower Conversion	$3,100 – $14,300	usually required	Cost·Permit
Sod Installation	$800 – $6,400	rarely required	Cost·Permit
Irrigation System Installation	$2,000 – $9,000	conditional	Cost·Permit
Tree Removal	$400 – $4,800	conditional	Cost·Permit
Outdoor Kitchen	$5,400 – $40,400	usually required	Cost·Permit
Seawall Repair	$7,200 – $84,900	required	Cost·Permit
Dock Construction	$8,000 – $76,000	required	Cost·Permit
Well Installation	$4,900 – $22,300	required	Cost·Permit
Mold Remediation	$1,300 – $13,200	conditional	Cost·Permit
Water Softener Installation	$1,100 – $5,800	usually required	Cost·Permit
Home Addition	$40,500 – $251,700	required	Cost·Permit
Heat Pump Replacement	$5,900 – $20,000	required	Cost·Permit
Furnace Replacement	$2,900 – $10,500	required	Cost·Permit
Foundation Repair	$2,500 – $28,800	usually required	Cost·Permit
Basement Waterproofing	$2,700 – $16,200	conditional	Cost·Permit
Drain Field Replacement	$5,400 – $22,300	required	Cost·Permit
Toilet Installation	$200 – $1,000	rarely required	Cost·Permit
Hot Tub Installation	$4,900 – $19,700	usually required	Cost·Permit

Myrtle Beach permitting basics

Jurisdiction	Myrtle Beach, Horry 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
Contractor verification	Verify any license with South Carolina LLR Building Codes Council before signing

Sources

Sources & verification

South Carolina LLR Building Codes Council

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.