I've sat through hundreds of home inspections along the Grand Strand, and the same problems keep coming up. Some are universal homeowner issues, but most are tied to the climate, the soil, and the salt air that buyers from other parts of the country aren't used to dealing with. After three decades of working through these reports with clients, here are the issues that show up most often in coastal South Carolina inspections, what they mean for the deal, and how I help buyers think about which ones are real concerns versus normal aging.
Why Coastal Inspections Find More Issues Than Inland Ones
The coastal climate is hard on houses. Humidity stays high almost year-round. Salt air corrodes metal at a faster pace. Sandy soil shifts more than clay soil does. Termites are active twelve months a year, not eight. Hurricane and tropical storm exposure introduces stresses that inland buyers don't see in their old homes.
The result is that a 15-year-old coastal home looks more "tired" on an inspection report than a 15-year-old inland home would. That's normal and doesn't necessarily mean the home is in poor condition. It just means buyers need to read the report through a coastal lens and not panic at line items that are common for the area.
Moisture and Humidity Issues Lead Every Report
The number one issue category in coastal SC inspections is moisture-related. Crawlspaces, attics, HVAC condensate lines, bathrooms, and exterior walls all show moisture exposure more often than they don't.
What inspectors commonly find:
Crawlspace moisture and inadequate vapor barriers. Most older crawlspaces in this area weren't built with the encapsulation we now know prevents long-term wood rot and mold growth. A failed vapor barrier or saturated insulation is one of the more common findings, and the fix can run from $1,500 for a partial vapor barrier replacement to $8,000 to $15,000 for a full encapsulation system.
HVAC condensate line backups. The high humidity means HVAC units pull a lot of water out of the air, and clogged condensate lines back up regularly. Often a $200 service call. Sometimes a sign of bigger drainage or ductwork issues.
Attic ventilation problems. Inadequate ridge vents, blocked soffits, or attic fans that no longer work all contribute to moisture buildup and shorten roof life. Common finding, usually a modest repair.
Roof Issues Show Up More Often Than Buyers Expect
Coastal roofs work harder than inland roofs. UV exposure is intense. Wind events stress fasteners regularly. Salt corrodes metal flashings and gutters. The result is that a 12 or 14-year-old asphalt shingle roof on the coast often looks closer to "end of life" than a roof of the same age inland.
Common inspection findings:
Lifted or cracked shingles, especially on south-facing slopes. Often the result of wind events. Sometimes a localized repair. Sometimes a sign of a full roof replacement being closer than the seller thinks.
Worn or rusted flashings around chimneys, valleys, and penetrations. These are the single most common source of roof leaks, and they age faster on the coast.
Gutter and downspout corrosion. The galvanized gutters that came standard on older homes don't hold up against salt air. Replacing with aluminum or copper is usually money well spent.
For deeper context on how coastal insurance carriers treat roof age, the Conway property insurance page is a useful reference even for buyers shopping outside Conway. Roof condition is the single biggest driver of insurance premiums in this market.
Pest Activity and Wood-Destroying Organisms
The CL-100 letter — South Carolina's wood-destroying organism inspection — is its own document, separate from the standard home inspection. It's required for most lenders and it routinely turns up issues even on well-maintained homes.
What CL-100s commonly find:
- - Old subterranean termite damage (often pre-treated, but visible)
- - Active or recent wood-destroying insect activity
- - Wood-to-soil contact on porch posts, deck supports, or stairs
- - Moisture conditions conducive to wood-destroying organisms
The cost to remediate ranges from a few hundred dollars for spot treatment to several thousand for full perimeter treatment and bond coverage. Treatments are routine in this market — almost every home eventually needs them — but the timing and scope are negotiating points.
HVAC Systems Wear Faster on the Coast
Standard HVAC expectations from inland markets don't apply here. Salt air corrodes the outdoor condenser coil. Humidity stresses the indoor evaporator. Coastal units commonly need replacement at 10 to 12 years rather than 15 to 18 years.
Inspection reports often note things like dirty coils, refrigerant charge issues, condensate problems, ductwork condensation, and damper failures. None of these are necessarily catastrophic, but they add up over a 7-year ownership window.
Electrical and Plumbing Issues Specific to Older Coastal Homes
Older Cherry Grove, Garden City, and Surfside homes sometimes still have:
- - Federal Pacific or Zinsco electrical panels — both have been flagged as fire hazards by most insurance carriers, and many will refuse to write coverage until they're replaced
- - Polybutylene plumbing — known failure pattern, almost always becomes a buyer concession in negotiation
- - Inadequate grounding on older outlets, often retrofitted poorly
- - Outdoor outlets without GFCI protection
The panel issue is the one buyers should pay closest attention to. An insurance carrier refusing to write the policy at closing is the kind of surprise that can collapse a transaction in the final week. Confirm panel type early in the inspection process, not late.
Pool and Outdoor Feature Issues
Coastal homes often have pools, hot tubs, outdoor showers, or pool decks. These take harder wear than buyers expect:
Pool deck spalling from salt and chemical exposure. Pool equipment with shortened lifespans. Pump motors that rust faster than spec. Sealed deck surfaces that need recoating every 3 to 5 years.
The inspection report's pool section is worth reading carefully, because remediation costs can climb fast.
What I Tell Buyers About Negotiating After the Inspection
The buyers who do best after a coastal inspection do three things:
First, separate the cosmetic from the structural. A worn caulk line is cosmetic. A crawlspace moisture issue with active wood rot is structural. Negotiate hard on the structural and let the cosmetic go.
Second, prioritize the issues that insurance will care about. A failed Federal Pacific panel, an aged roof, or a missing wind mitigation feature can affect your insurance bill for the entire ownership period. Push to have these addressed before closing if at all possible.
Third, ask the seller for repair receipts and contractor information rather than just credits. A repair completed by a licensed contractor with documentation is worth more than a $500 credit toward a future repair. Receipts also help on resale years from now.
For broader market context, browse Myrtle Beach real estate and Conway real estate inventory while you're in the inspection process. Knowing what alternatives exist at your price point strengthens your negotiating position.
Two Things I Tell Every Coastal Buyer Before They Inspect
First, hire a local inspector who works the coast every week. An inspector who primarily works inland may flag normal coastal conditions as problems, or miss issues that local inspectors recognize immediately. Coastal-specific training matters in this market.
Second, request a separate CL-100 wood-destroying organism inspection and a separate HVAC contractor evaluation if the home is older than 10 years. The general inspector's coverage of these systems is competent but limited. A specialist gives you a deeper read for a few hundred extra dollars.
Key Takeaways
Inspection reports for coastal South Carolina homes routinely surface more issues than inland reports because the climate, soil, and salt air work harder against the structure. Moisture in crawlspaces, attic ventilation problems, aging roofs, HVAC wear, termite activity, and older electrical panels are the most common categories. None of these are necessarily deal-breakers, but they require coastal-aware judgment when reading the report. The buyers who do best hire local inspectors who know what's normal for the area, separate cosmetic from structural issues, prioritize repairs that affect insurance, and ask for completed repairs with receipts rather than vague credits. A clean coastal inspection is rare. A correctly-interpreted coastal inspection is what every buyer needs.
Frequently Asked Questions
What is a CL-100 letter and why do I need one?
The CL-100 is a South Carolina wood infestation inspection report, typically completed by a licensed pest control company. It documents any current or past wood-destroying organism activity, conducive conditions, and damage. Most lenders require a clean CL-100 before closing, especially on FHA, VA, and USDA loans.
How long does a coastal home inspection typically take?
A standard residential inspection takes 2 to 4 hours. Larger homes, properties with pools, or homes with detached structures can take 4 to 6 hours. The CL-100 is usually completed by a separate inspector either the same day or within a few days of the main inspection.
What is wind mitigation, and how does it affect my inspection?
A wind mitigation inspection documents features of your home that reduce wind damage risk — hurricane shutters, impact-rated windows, roof tie-downs, gable bracing, and similar. It's a separate report from the standard inspection, costs about $150-$250, and the documented features often translate into significant insurance discounts. Most coastal buyers request one during the inspection period.
Should I get a separate roof inspection?
For homes 10 years or older, yes. A general inspector will identify obvious roof issues, but a roofing contractor's evaluation gives you a more precise estimate of remaining life and any specific repairs needed. The cost is usually free if you're considering replacing the roof in the next few years.
What's the typical cost range for coastal inspection follow-ups?
Most buyers end up spending an additional $500 to $2,000 on specialty inspections (CL-100, wind mitigation, HVAC contractor, structural engineer for specific concerns, etc.) beyond the standard $400-$600 home inspection. The investment usually pays for itself by either strengthening the negotiation or revealing issues that would have cost more to discover after closing.
About Greg Harrelson
Greg Harrelson is a seasoned Realtor® with more than 30 years of experience serving the Myrtle Beach and Grand Strand markets. As the founder of Century 21 The Harrelson Group, Greg has built his career helping buyers, sellers, and investors achieve success in every corner of the coastal Carolina real estate market. His expertise spans residential homes, investment properties, land development, and coastal condos. Known for his deep local knowledge, innovative marketing strategies, and commitment to personal service, Greg consistently helps clients reach their real estate goals while navigating the ever-changing market with confidence and precision.