Manufactured Homes Checklist

Overview

For all new homes from the manufacturer, the Site Construction Manual from the manufacturer is required.

Refer to the following codes for manufactured homes:

  1. State of NC Regulations for Manufactured Homes (SNCRMH) Code 2019 (PDF)
  2. NC Residential Building Code 2018 (Chapter 15 and Appendix M only)
  3. NC Residential Plumbing Code 2018
  4. National Electrical Code (NEC) 2017
  5. NC Residential Mechanical Code 2018
  6. NC Residential Fuel Gas Code 2018

Please note that you may need to check with other county departments/divisions, such as Environmental Health, Planning, Engineering, and Floodplain Management, depending on the needs of your home.

Permits Needed for Manufactured Home Installation

Footing

  • Select footer type
  • ABS pads
  • Poured concrete footers
  • Solid poured footers
  • Soil-bearing capacity data required. SNCRMH 2019 3.5.3
  • Determine frame pier layout based on new home install manual OR SNCRMH Code 2019 for used homes, as applicable.
  • Determine perimeter pier blocking based on new home install manual or SNCRMH Code 2019 for used homes, as applicable.

Set up

  • Pier spacing is determined by soil bearing capacity data and footer size/type. Refer to new home install manual OR NC Regulations for Manufactured Homes code for used homes, as applicable. SNCRMH 2019 3.5.3
  • Single stacked piers, double stacked piers. Refer to new home install manual OR NC Regulations for Manufactured Homes code for used homes, as applicable. SNCRMH 2019 3.7

Click on each image to enlarge it.

  • Anchor strapping, anchors, and fasteners must be of an approved listed product and installed according to manufacturer installation instructions. SNCRMH 2019 3.9.2
  • Required amount/locations of frame, sidewall, and longitudinal anchors per new home install manual OR NC Regulations for Manufactured Homes code for used homes, as applicable. SNCRMH 2019 3.9.1
  • Home must include data plate, which determines wind zone locations and other site specific criteria. SNCRMH Appendix I
  • The use of stabilizer plates may be required per new home install manual OR NC Regulations for Manufactured Homes code for used homes, as applicable. SNCRMH 2019 3.9.6.3
  • Perimeter footing for masonry underpinning (if applicable), size per SNCRMH 2019 3.6; this footing requires an inspection prior to concrete being poured.

Marriage Wall

  • Per new home install manual OR NC Regulations for Manufactured Homes code for used homes, as applicable.
  • Marriage wall gasket must be installed at floor, end walls, and ceilings. SNCRMH 2019 3.8.2
  • Note: Access required for inspection at the exterior end walls.
  • Must be approved prior to trades.

Final Inspection

  • Address numbers required per NC Residential Building Code 2018 R319.
  • Underpinning (masonry, vinyl, or other approved material) installed. SNCRMH 3.6 and 3.10
  • Egress stairs per NC Code. Note: if landing area is larger than 36 square feet, a Deck Permit must be obtained, and inspections for footings and framing are required. Refer to Appendix M in the NC Residential Code. SNCRMH 3.11

  • Vapor barrier, access to crawlspace, and ventilation installed per code. SNCRMH 3.10
  • Repair any rips, tears, or other alterations to belly board with approved materials per new home install manual OR NC Regulations for Manufactured Homes code for used homes, as applicable. SNCRMH 2019 3.8.10
  • Seal any penetrations in underpinning.
  • Proper drainage: soil grade outside the home shall be sloped at a minimum of 1/2 inch per foot for a minimum of 10 feet on each side of the home. SNCRMH 3.3.4

All trade finals must be approved in order to inspect and approve for a final certificate of compliance.

Additional Permits You May Need

Manufactured Homes Brochure (2022)

View or download our Manufactured Homes Brochure (PDF).

The information in this brochure is based on the current edition of State of North Carolina Regulations for Manufactured Homes; consult the code for more detailed information.

This brochure is not intended to replace any part of the code sections.