Test all smoke and CO detectors.

Update attic ventilation if none is present.

Check attic sheathing for mold-like substances, remove if visible or mold test may be necessary.

Clean or replace HVAC filter. Clean dirty air returns and plenum.

If the HVAC unit appears to be an older unit, have the HVAC unit cleaned and serviced by a professional HVAC individual. (Provide receipt)

Seal and/or repair foundation cracks that show evidence of current or previous moisture seepage (water stains, efflorescence & dampness) on the foundation walls and concrete slab.

Check sump pump for proper operation.

Remove stored items from the foundation walls.

Remove construction debris and junk from crawlspace which promotes mold growth and musky odor.

Have all windows and doors in proper working condition, including broken and cracked windows along with failed seals.

Have all plumbing fixtures: toilets, bathtubs, showers and sinks in proper working condition. Check for leaks.

Install GFCI receptacles near all water sources including exterior, unfinished basements and garages. Test all GFCI receptacles for proper operation.

Remove water stains and repair damaged areas (walls, ceilings & structural members) if repairs have been completed as the result of previously corrected problems.

Replace any burnt out light bulbs, have light fixtures and ceiling fans in proper operation.

Have all wall switch locations verified.

Caulk all tub and shower fixtures, floors, walls and glass doors. Ensure all toilets are secured to the floor.

Remove grade or mulch from contact with siding material. (Preferably 4-6 inches or more clearance)

Trim trees, roots and bushes back from foundation, roof, siding and chimney.

Caulk all exterior wall penetrations.

Paint all weathered exterior wood. Caulk around trim, chimneys, windows and doors.

Replace rot and water damaged wood trim which is susceptible to provable water infiltration.

Have tuck-pointing repairs completed for brick and stone masonry walls which may indicate possible settlement.  

Clean chimney, fireplace or woodstove. (Provide receipt)

Remove rotting wood and firewood from contact with the house.

Where windows are at or below grade, install window wells and covers.

Clean out dirty gutters and remove debris from the roof.

Divert all water away from the house, i.e. downspouts, patios, sump pump, condensate drain, etc. Grade should slope away from the structure. Clean out basement entry drains.