All licensed home inspectors should follow a Standards of practice. It is a list of do’s and donts.
Massachusetts
Vermont & New Hampshire
ASHI Standards of Practice
Below is a list of some of the things we may inspect.

Exterior yard
- Hardscaping – Patios, walls, walkways, driveways
- Residence – siding, porches, decks, roof

Exterior structure
- Walls & ceilings
- Doors & windows
- Roof surface
- Foundation & footings
- Fire code
- Door openers
- Structure

Roof structure
- Structure
- Rafters
- Cricket flashing
- Valleys
- Chimney (exterior)
- Attic ventilation
- Interior halls
- Insulation
- Exhaust fans
- Roof sheathing
- Skylights
- Exposed gutters & diverters
- Flashing
- Evidence of water penetration

Interior
- Floor surfaces
- Fireplaces
- Visible chimney
- Walls & ceilings
- Wood/coal stoves
- Doors
- Windows, screens & Storms
- Surface of tub and shower

Electrical
- Emergency cut off switches
- Size of electrical service
- GFCI Plugs
- Central heating wiring
- Sump pump wiring
- junction box covers
- Service panel boxes
- Interior house wiring (exposed)
- Interior house fans
- Doorbells & chimes
- Central vac wiring
- Service entry cables
- Breaker panel fuses and breakers
- Central AC wiring

Plumbing
- Plumbing connections
- Under vanitys
- Toilet shutoff
- Main shut off
- Visible piping
- Waste lines
- Interior well pumps
- Ejector pumps
- Exhaust fans
- Utility tubs
- Bath tubs
- Stall showers
- Bath sinks
- Supply lines
- Evidence of corrosion
- Toilets
- Kitchen sinks
- Bar sinks
- Vent stacks
- Shower stalls
- Washer dryer connections
- Bathroom electrical fixtures
- Exposed water storage tanks

HVAC Systems
- Boilers & Furnaces
- Heat exchangers
- Circulator pumps
- Zone valves
- Exposed flue
- Gauges
- Pipes
- Electric convectors
- Cast iron radiators
- Humidifiers
- Heaters (apartment)
- Heat ducts
- Electronic air purifier
- Adjoining surfaces
- Fire box liners
- Water feeds
- Gas stoves

Basement
- Foundation walls
- Water penetration
- Headers
- Sills
- Sub floors
- Bulkheads
- Basement floors
- Support columns
- Floor joists
- Exterior doors
- Sump pumps
