Building Planning

Are Single-Family Homes Required to Be Accessible Under IRC 2018 R320?

Do new single-family homes or townhouses have to be accessible or adaptable?

R320.1

Bathroom Window or Exhaust Fan Requirement — IRC 2018 R303.3

Does a bathroom need an operable window if it has an exhaust fan?

R303.3

Does Every Bedroom Need an Egress Window Under IRC 2018?

Does every bedroom need an egress window or exterior door?

R310.1

Egress Window Minimum Size, Clear Opening, and Sill Height — IRC 2018

What are the minimum egress window size, clear opening, sill height, and dimensions?

R310.2

Fire Separation Distance to Property Line — IRC 2018 R302.1

How close can I build a house, addition, deck, or shed to the property line before I need fire-rated walls or protected openings?

R302.1

Garage-to-House Door Requirements Under IRC 2018

Does the door from the garage into the house have to be fire-rated, solid core, and self-closing?

R302.5.1

Garage-to-House Fire Separation and Drywall Requirements — IRC 2018

Does the wall between my garage and house need to be fire-rated, and what drywall is required?

R302.6

Guard Height and Maximum Baluster Spacing — IRC 2018 R312.1.3

How high do guards need to be, and what is the maximum baluster spacing?

R312.1.3

Hardwired and Interconnected Smoke Alarms in Remodels — IRC 2018 R314.4

Do smoke alarms have to be hardwired and interconnected when remodeling or finishing a basement?

R314.4

Is a Landing Required at an Exterior Door Under IRC 2018 R311.3?

Is a landing required at an exterior door, garage door, or door at the top of stairs?

R311.3

Minimum Bedroom and Habitable Room Size — IRC 2018 R304.1

What is the minimum size for a bedroom or habitable room?

R304.1

Minimum Ceiling Height for a Finished Basement or Bedroom — IRC 2018 R305.1

What is the minimum ceiling height for a basement bedroom or finished basement?

R305.1

Pool Fence and Barrier Requirements for Residential Swimming Pools — IRC 2018 R326

What fence or barrier is required around a residential swimming pool?

R326.1

Required Exterior Egress Door from a House — IRC 2018 R311.2

How many exterior doors are required from a house, and does a patio door count?

R311.2

Sloped Ceiling Minimum Height in Finished Attic or Bonus Room — IRC 2018 R305.1.1

How much low or sloped ceiling area is allowed in a finished attic, loft, or bonus room?

R305.1.1

Stairway Tread, Riser, and Handrail Requirements — IRC 2018 R311.7

What stairway details does the IRC require beyond basic guard height?

R311.7

What Plumbing Fixtures Are Required in a Dwelling Unit — IRC 2018 P2701.1

What plumbing fixtures are required for a dwelling unit?

P2701.1

When Are Carbon Monoxide Alarms Required Under IRC 2018?

When are carbon monoxide alarms required because of an attached garage, fireplace, furnace, water heater, or gas appliance?

R315.1

When Is a Guardrail Required on a Deck, Porch, or Balcony — IRC 2018

When is a guardrail required on a deck, porch, balcony, or stair landing?

R312.1

When Is Tempered or Safety Glass Required Near Doors, Stairs, and Showers — IRC 2018 R308.4

When does glass near a door, stair, shower, tub, or floor have to be tempered or safety glass?

R308.4

Where Are Smoke Alarms Required in a House Under IRC 2018?

Where are smoke alarms required in a house, bedroom, hallway, basement, or each story?

R314.3

Windows, Natural Light, and Ventilation in Habitable Rooms — IRC 2018 R303.1

Do bedrooms and living rooms need windows, or can mechanical ventilation satisfy the code?

R303.1