Bolthole Index

Lexington County, South Carolina

Building permits, zoning and septic in the Town of Chapin, SC

Inside the Town of Chapin, South Carolina, CC&I Services LLC issues building permits, performs inspections and issues certificates of occupancy.1 Chapin administers its own zoning, while SCDES handles septic approval for homes without public or community sewer service.23 These town rules differ from Lexington County zoning, which applies outside municipal limits.4

At a glance

Building permits
CC&I Services LLC handles building permits inside town limits1
Zoning
Town zoning applies; zoning approval is separate from building permits251
Septic permits
SCDES approval required for a home without public or community sewer6
Tiny homes and RV living
Ask Chapin Planning & Zoning for approval of the proposed residential use25
Owner-builder
Conditional; homeowner work still requires building permits, fees and inspections7
Private wells
State Notice of Intent required before residential well construction; $70 fee8

Who to call

Building permits

CC&I Services LLC — Chapin building permits and inspections

Building permits, inspections and certificates of occupancy inside Chapin town limits

864-586-6111

Zoning

Town of Chapin Planning & Zoning

Town zoning permits and help choosing development applications

803-575-8501

[email protected]

Septic permits

South Carolina Department of Environmental Services (SCDES), Columbia Local Office

Septic system site evaluations, installation permits and final inspections for Lexington County

(803) 896-0620

State Park Health Center, 8500 Farrow Road Bldg 12, Columbia, SC 29203

Online permits →

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 Chapin means bringing your own water and power. The kit we’d start with:

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

For construction subject to building-code permitting in the Town of Chapin, the building-permit authority is CC&I Services LLC, which also handles inspections and certificates of occupancy.1 Chapin zoning approval is a separate part of the project: the town requires zoning permits for alterations to buildings, signs or structures and changes in an existing structure’s use.5 Other applications may be required in addition to a Chapin zoning permit, so ask Planning & Zoning which applications match your proposed work before submitting construction plans.5

Who handles building permits and zoning approval in the Town of Chapin?

Contact CC&I Services LLC at 864-586-6111 for building permits, inspections and certificates of occupancy for property inside Chapin town limits.1 Contact Town of Chapin Planning & Zoning at 803-575-8501 or [email protected] for help choosing town applications.5 Businesses, companies and contractors also need a Town of Chapin business license regardless of job type.5 For land outside town limits, use the Lexington County guide; the county zoning ordinance applies to unincorporated areas rather than Chapin’s municipal jurisdiction.4 Septic permitting remains a state SCDES function.3

Does the Town of Chapin have zoning for RVs, tiny homes and setbacks?

The Town of Chapin has its own Unified Zoning and Development Ordinance and zoning map governing land use and development within the municipal boundary.2 Ask Chapin Planning & Zoning to identify the parcel’s district and the requirements for the exact dwelling or accessory structure you propose.5 We could not confirm a complete Chapin tiny-home occupancy rule or a general minimum principal-dwelling size; ask the town to address both before committing to a design.2 For an RV residence, request a town determination of the proposed use rather than relying on Lexington County’s temporary-RV provision, which applies only outside municipal limits.95

How do septic permits work inside the Town of Chapin?

A home in the Town of Chapin without public or community sewer service needs SCDES approval and a permit to install a septic system before construction.6 First establish sewer accessibility: South Carolina does not allow an onsite wastewater permit where public sewer is accessible.10 The septic application fee is $150, and a Permit to Construct is valid for 5 years; renewal or approved changes require a new application and fee.11 During installation, the installer must contact SCDES for a final inspection before covering the system.12 The SCDES Columbia office covers Lexington County and can be reached at (803) 896-0620.13

Can you build your own home or go off grid in the Town of Chapin?

Chapin’s homeowner provision allows qualifying work performed personally on the homeowner’s property for exclusive homeowner or family use, but retains building permits, fees and inspections.7 South Carolina’s residential owner-builder exemption also requires personal supervision, compliance with applicable codes and zoning, and recording a public notice with the register of deeds.14 A composting or incinerating toilet is not an automatic substitute for wastewater approval: the state’s nonwater-carried toilet pathway requires engineering plans, a permit to construct and approval to operate.15 Where pressurized water generates gray water, the state also requires an approved onsite gray-water treatment system.16

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

  1. Start with Chapin Planning & Zoning to confirm the proposed land use and identify the town applications for your project.25
  2. Verify sewer accessibility; if public or community sewer does not serve the home, obtain SCDES septic approval.106
  3. For a private residential well, submit the state Notice of Intent before construction; the fee is $70.8
  4. Arrange building permits and construction inspections through CC&I Services LLC, then obtain the certificate of occupancy through that authority.1
  5. For a planned development involving floodplain areas, include floodplain information on the master plan and ask town Planning & Zoning about the parcel’s review requirements.175

Watch-outs

  • South Carolina’s adopted 2024 construction codes take effect for local jurisdictions on January 1, 2027; ask CC&I how that transition affects your application.181
  • We could not confirm a Chapin requirement for regular inspections of existing septic systems; ask Town Planning & Zoning, because state law allows additional town inspection ordinances.125
  • South Carolina’s qualifying farm-structure exemption excludes residences and retains local authority to require building permits; ask CC&I before treating a barn project as exempt.191

Sources

  1. CC&I Services LLC — Chapin building permits and inspections (chapinsc.com)
  2. Planning & Zoning (Town of Chapin), quoted and re-checked
  3. Septic Tanks - Residential, Single Home Builder (South Carolina statewide rule), quoted and re-checked
  4. Zoning FAQs, quoted and re-checked
  5. Town of Chapin Planning & Zoning (chapinsc.com)
  6. Septic Tanks - Residential, Single Home Builder (South Carolina statewide rule), quoted and re-checked
  7. 5.106. Homeowner's provisions. (Town of Chapin), quoted and re-checked
  8. Private Drinking Water Wells (South Carolina statewide rule), quoted and re-checked
  9. Lexington County Zoning Ordinance, quoted and re-checked
  10. Professional Soil Classifiers - Sewer Accessibility Verification (South Carolina statewide rule), quoted and re-checked
  11. Septic Tanks - Residential, Single Home Builder, quoted and re-checked
  12. Septic Tanks - Frequently Asked Questions (South Carolina statewide rule), quoted and re-checked
  13. South Carolina Department of Environmental Services (SCDES), Columbia Local Office (des.sc.gov)
  14. South Carolina Code Title 40, Chapter 59 — Residential Home Builders (South Carolina statewide rule), quoted and re-checked
  15. South Carolina State Register Vol. 45, Issue 5 — Regulation 61-56 (South Carolina statewide rule), quoted and re-checked
  16. South Carolina State Register Vol. 45, Issue 5 — Regulation 61-56 (South Carolina statewide rule), quoted and re-checked
  17. Unified Zoning and Development Ordinance (Town of Chapin), quoted and re-checked
  18. 2024 Building Code Modification Index (South Carolina statewide rule), quoted and re-checked
  19. South Carolina Code of Laws, Section 6-9-65 (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 Chapin

Town of Chapin’s own rules

  • Owner-builder exemptionConditional

    A homeowner performing building, electrical, gas, or plumbing work on the homeowner's own property inside Chapin town limits.

    • The homeowner must perform the work himself or herself.
    • The work must be used exclusively by the homeowner or family.
    • The provision does not exempt the owner from obtaining permits, paying required fees, or inspections.
    “Nothing in this chapter shall prevent any homeowner from installing or maintaining buildings, electrical wiring, gas piping or appliances or plumbing within his own property boundaries”
  • Local zoningPresent

    All land within Chapin town limits.

    • The Town's Unified Zoning and Development Ordinance and zoning map govern land use and development within the municipal boundary.
    “The UDO is a consolidated document which contains all of the Town's land use and development requirements.”
  • Building in a floodplainLimited

    Planned developments inside Chapin town limits where floodplain areas are implicated.

    • Floodplain information must be included on a planned-development master plan.
    • Other floodplain, stormwater, and agency requirements may apply; the reviewed material did not establish a universal floodplain permit for every parcel.
    “Floodplain information shall also be included on the master plan.”

Rules another office applies inside Town of Chapin

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

  • Building code adoptedAdopted (with conditions)

    Building construction inside Chapin town limits, subject to local administration and applicable exceptions.

    • The South Carolina Building Codes Council adopted the 2021 codes; the cited page states an effective date of January 1, 2023.
    • The official Town permitting page identifies CC&I Services LLC as the issuer of building permits and inspections inside Chapin.

    effective date: 2023-01-01

    “The South Carolina Building Codes Council adopted the 2021 South Carolina Building Codes at their meeting on October 6, 2021.”

Still unanswered

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

  • Minimum dwelling size — Principal dwellings in Chapin town zoning districts.
  • Tiny homes — Tiny-home occupancy inside Chapin town limits.
  • Septic inspection — Septic systems inside Chapin town limits.
  • Well permit — Private wells inside Chapin town limits.
  • Agricultural exemption — Agricultural structures or uses inside Chapin town limits.

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 Chapin publishes no rule on the point, not that none exists. Lexington County’s page lists the county offices to call.

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