Bolthole Index

Beaufort County, South Carolina

Building permits, zoning and septic in the Town of Port Royal, SC

The Town of Port Royal, South Carolina requires building permits for most construction and improvements, and the Town Building Department issues building permits and performs inspections.12 In Beaufort County, land inside Port Royal town limits follows the Town’s own zoning code, administered by Town Planning.3 For a home without public or community sewer, septic approval comes from the South Carolina Department of Environmental Services (SCDES).4

At a glance

Building permits
Town-issued; required for most work and improvements12
Zoning
Town Planning administers the Port Royal form-based code3
Septic permits
SCDES approval required for a home not served by public or community sewer4
Building permit fees
Depend on construction cost; see the Town Building Codes Packet5
Owner-builder
Conditional; Town offers a Home Owner Contractor Form6
Private wells
Notice of Intent before construction; residential fee $70, irrigation fee $507
Occupancy
Certificate of Occupancy required after all inspections pass8

Who to call

Building permits

Town of Port Royal Building Department

Town building permit applications, construction inspections and certificates of occupancy.

843-986-2219

[email protected]

700 Paris Avenue, Port Royal, SC 29935

Zoning

Town of Port Royal Planning Department

Town zoning, design review and development applications.

843-986-2207

700 Paris Avenue, Port Royal, SC 29935

Septic permits

South Carolina Department of Environmental Services

State septic program; request the office serving Port Royal in Beaufort County.

(803) 898-3432

[email protected]

2600 Bull St. Columbia, SC 29201

Contact details are copied from each office’s official page and were checked against it on October 11, 2026.

Off-grid gear

Going off-grid in Town of Port Royal means bringing your own water and power. The kit we’d start with:

These are affiliate links — we may earn a commission, at no cost to you. As an Amazon Associate, Bolthole Index earns from qualifying purchases.

Do you need a building permit in the Town of Port Royal, SC?

Port Royal requires a building permit for most new construction, alterations and improvements; the Town identifies exceptions for some interior finish work, including painting, tiling, carpeting, cabinets and countertops.1 Port Royal applies International Building Codes together with Town building requirements, so zoning compliance alone does not establish that a building is ready for construction.93 Building permit fees depend on construction cost, and the Town directs applicants to the fee schedule in its Building Codes Packet.5 Ask the Town Building Department to classify the proposed work before budgeting or starting a renovation.10

Who issues Town of Port Royal building permits, and how do you apply?

The Town of Port Royal Building Department issues building permits and performs inspections during construction and at completion.2 Call the Permits Administrator at 843-986-2219 or submit the Building Permit Application in person at Town Hall, 700 Paris Avenue, Port Royal, SC 29935, or by email to [email protected].10 The Town’s separate inspection scheduling number is 843-986-2236.10 Port Royal issues a Certificate of Occupancy after all inspections have passed; occupying a structure without that certificate is a violation that can result in a fine.8 Keep the Town application and inspection process central to the project rather than using the county’s unincorporated-area process.2

Does the Town of Port Royal have zoning, lot-size and setback rules?

Port Royal has its own zoning, and Town Planning administers design review and the Port Royal Code, a New Urbanist form-based code.3 The Town publishes interactive and PDF zoning maps alongside the development code.11 Start with Town Planning to identify the parcel’s district and the applicable development review.12 We could not confirm the main residential lot-size, lot-coverage or height standards here; ask Town Planning for the standards for the actual parcel.12 The confirmed setbacks for RV parks and campgrounds in T4-NC are use-specific and should not be treated as ordinary house setbacks.13

How do septic permits work inside the Town of Port Royal?

A home or manufactured home in Port Royal on property not served by public or community sewer requires SCDES approval and a permit before septic installation.4 The septic application fee is $150, and a Permit to Construct is valid for 5 years; renewal or modification requires a new application and fee.4 South Carolina will not issue an onsite wastewater permit where public sewer is accessible, so verify sewer accessibility before applying for septic approval.14 The installer must arrange SCDES inspection before the septic system is covered.15 Town building inspections and state septic inspection are separate responsibilities: finishing one does not replace the other.215

Can you live in an RV or tiny home in the Town of Port Royal?

We could not confirm permission to live in an RV on an individual Port Royal lot or a Town-specific tiny-home occupancy rule; ask Town Planning about the proposed use and Town Building about the proposed structure.1210 The confirmed Port Royal RV standards concern RV parks and campgrounds in T4-NC, rather than blanket permission for private-lot occupancy.13 For those uses, setbacks are 50 feet from a state or federal highway or designated major arterial road, 25 feet from a public right-of-way, and 15 feet from other property lines.13 A small dwelling still needs the Town’s applicable building review and a Certificate of Occupancy before occupancy.98

Building a home in the Town of Port Royal: what are the steps?

Use the Town offices for the building and zoning portions of a Port Royal project, with SCDES handling septic approval when public or community sewer does not serve the site.324

  1. Ask Town Planning to identify the zoning district and applicable design or site-development review.12
  2. Verify sewer accessibility; if the site qualifies for septic, obtain SCDES approval before installing the system.144
  3. Submit the Town Building Permit Application and confirm the construction-cost-based fee.105
  4. Arrange Town construction inspections and the separate septic inspection before covering the septic system.215
  5. Obtain the Town Certificate of Occupancy after all inspections pass, before moving in.8

What should you check before buying land in the Town of Port Royal?

Confirm that the parcel is inside Port Royal town limits: the Town administers its code inside the municipality, while county zoning applies to unincorporated land.316 For a parcel outside town limits, use the Beaufort County guide for the county’s answer.16 For a private residential or irrigation well in Port Royal, a Notice of Intent is required before construction; fees are $70 and $50 respectively.7 We could not confirm Port Royal’s general water-connection requirement, off-grid sanitation options or driveway-access standards; ask Town Planning which approvals the proposed site needs.12 Ask Town Building to review the parcel’s flood requirements before settling on the home design.10

Watch-outs

  • Port Royal’s RV-park setbacks apply to RV parks and campgrounds in T4-NC; those standards do not establish permission to occupy an RV on an individual lot.13
  • Owner-builder status does not waive Port Royal’s building permit or code requirements.6
  • South Carolina’s owner-builder exemption requires personal supervision and a recorded public notice; sale or rental within 2 years creates a presumption that the project was built for sale or rent.17
  • South Carolina’s adopted 2024 building codes take effect January 1, 2027; ask Town Building which edition applies to the project’s application date.1810

Sources

  1. Building Permit Requirements FAQs (Town of Port Royal), quoted and re-checked
  2. Building Department (Town of Port Royal), quoted and re-checked
  3. Planning (Town of Port Royal), quoted and re-checked
  4. Septic Tanks - Residential, Single Home Builder (Town of Port Royal), quoted and re-checked
  5. Building Permit Requirements FAQs (Town of Port Royal), quoted and re-checked
  6. Building Permit Requirements FAQs (Town of Port Royal), quoted and re-checked
  7. Private Drinking Water Wells (Town of Port Royal), quoted and re-checked
  8. portroyal.org (Town of Port Royal), quoted and re-checked
  9. Building Department (Town of Port Royal), quoted and re-checked
  10. Town of Port Royal Building Department (portroyal.org)
  11. Planning (Town of Port Royal), quoted and re-checked
  12. Town of Port Royal Planning Department (portroyal.org)
  13. Development Code, Section 4.2.40 (Town of Port Royal), quoted and re-checked
  14. Professional Soil Classifiers - Sewer Accessibility Verification (South Carolina statewide rule), quoted and re-checked
  15. Septic Tanks - Residential, Single Home Builder (Town of Port Royal), quoted and re-checked
  16. Code Enforcement, quoted and re-checked
  17. South Carolina Code Title 40, Chapter 59 — Residential Home Builders (South Carolina statewide rule), quoted and re-checked
  18. 2024 Building Code Modification Index (South Carolina statewide rule), quoted and re-checked

Written October 11, 2026 from the rules quoted below, each taken from an official source and re-checked by an independent reviewer. This is research, not legal advice: rules change, so confirm with the office before you buy or build.

Answers from the rulebook for Town of Port Royal

Town of Port Royal’s own rules

  • Building permitRequired

    New buildings and alterations to existing buildings inside Port Royal town limits.

    • Most work and improvements require a permit.
    • Exceptions include some interior remodeling such as painting, doors, papering, tiling, carpeting, cabinets, countertops, and similar finish work.
    “A permit is required for most work / improvements (excluding some interior remodeling including painting, doors, papering, tiling, carpeting, cabinets, counter tops, and similar finish work).”
  • Owner-builder exemptionAvailable (with conditions)

    A homeowner who owns and lives in the home and performs work personally inside Port Royal town limits.

    • A permit may be issued to an owner-builder.
    • The Town provides a Home Owner Contractor Form.
    • Permit and code requirements still apply.
    “A homeowner who owns his own home and lives there and is performing work himself may be issued a permit.”
  • Building code adoptedAdopted

    Buildings inside Port Royal town limits.

    • The Town applies International Building Codes together with Town building requirements.
    “The Building Department of the Town of Port Royal ensures a building meets International Building Codes and Town of Port Royal building requirements.”
  • InspectionsRequired

    Construction inside Port Royal town limits.

    • Inspections occur during construction and upon completion.
    • Inspection requests are scheduled through the Town.
    “This Department issues Building Permits and Performs Inspections during construction and upon completion.”
  • Certificate of occupancyRequired

    Occupancy of structures inside Port Royal town limits.

    • All inspections must be passed before issuance.
    • Occupying a structure without a certificate of occupancy is a violation and may result in a fine.
    “To occupy a structure without a CO is a violation and you will be fined.”
  • Local zoningPresent

    Land inside Port Royal town limits.

    • The Town Planning Department administers the Port Royal Code and publishes a Port Royal zoning map.
    “Administers the design review process and regulations of the Port Royal Code, a New Urbanist form-based code”
  • Zoning districtsPublished

    Zoning districts and zoning-map information inside Port Royal town limits.

    • The Town Planning page links to the Port Royal Code and both interactive and PDF zoning maps.
    “Port Royal Zoning Map (GIS - Interactive)”
  • SetbacksDistrict specific (with conditions)

    RV parks and campgrounds in the Port Royal T4-NC zone.

    • Setbacks are 50 feet from a state or federal highway or designated major arterial road, 25 feet from a public right-of-way, and 15 feet from other property lines.
    • Additional spacing between RV units and buildings applies.

    highway or major arterial setback: 50 feet · public right-of-way setback: 25 feet · other property-line setback: 15 feet

    “Fifty feet when abutting a State or Federal Highway or designated major arterial road; Twenty-five feet when abutting a public right-of-way; Fifteen feet when abutting any property line other than a or b.”
  • Permit feesVariable (with conditions)

    Building permits inside Port Royal town limits.

    • The Town states that the fee depends on the cost of construction.
    • The fee schedule is in the Building Codes Packet.
    “It depends on the cost of construction. See the Fee Schedule in the Building Codes Packet under Forms and Documents.”

Rules another office applies inside Town of Port Royal

Town of Port Royal does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.

  • Septic permitRequired

    A home or manufactured home inside Port Royal town limits on property not served by a public or community sewer system.

    • SCDES approval and a permit are required before installing the septic system.
    • Without the septic permit, the county cannot issue a building permit.
    • The application fee is $150; permits to construct are good for five years.

    application fee: 150 USD · permit duration: 5 years (renewal or modification requires a new application and fee)

    “If you are planning to build a home or place a manufactured home on property not served by a public or community sewer system, you must first obtain SCDES's approval and a permit to install a septic system.”
  • Septic inspectionRequired

    Septic installation inside Port Royal town limits where an onsite wastewater system is used.

    • The installer must schedule SCDES inspection before the system is covered.
    • If an SCDES inspector does not arrive within 30 minutes, a licensed installer may self-inspect and submit Form D-4432.
    “Before completing the installation of the septic system, the installer must contact SCDES to schedule a time for the inspection of the septic system before it is covered.”
  • Well permitRequired

    New individual residential or irrigation wells inside Port Royal town limits.

    • A Notice of Intent must be submitted before construction.
    • Fees are $70 for an individual residential well and $50 for an irrigation well.
    • SCDES may schedule inspections.
    • Public-supply wells and withdrawals exceeding 3 million gallons per month follow additional permitting rules.

    residential well NOI fee: 70 USD · irrigation well NOI fee: 50 USD

    “Prior to construction of any individual residential well or irrigation well, a Notice of Intent (NOI) to obtain coverage under the General Permit is submitted by the well owner, agent of the well owner, or well driller.”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Town of Port Royal or Beaufort County directly.

  • Minimum lot size — Residential and agricultural/rural districts inside Port Royal town limits.
  • Lot coverage — Land inside Port Royal town limits.
  • Building height — Land inside Port Royal town limits.
  • Tiny homes — Tiny-home occupancy inside Port Royal town limits.
  • Off-grid sanitation — Off-grid sanitation inside Port Royal town limits.
3 more unanswered
  • Mandatory utility hookup
  • Agricultural exemption
  • Driveway access

Each answer was extracted from an official source and independently re-checked against that source by a second reviewer. That is an evidence check, not legal advice. Rules change; confirm with the authority before you buy or build.

Unanswered questions are usually a sign that Town of Port Royal publishes no rule on the point, not that none exists. Beaufort County’s page lists the county offices to call.

← All of Beaufort County: county rules, score and offices