Bolthole Index

DeSoto County, Mississippi

Building permits, zoning and land rules in Olive Branch, Mississippi

Olive Branch, Mississippi requires city building permits for construction and city inspections as work progresses.1 Olive Branch administers its own zoning; DeSoto County is the county context, not the city zoning counter.2 Septic service requests go to the Mississippi State Department of Health Wastewater Call Center.3 Living or sleeping in parked or stored recreational equipment on residentially zoned property is prohibited.4

At a glance

Building permits
City Building Department permits construction and inspects the work1
Zoning
City Planning Division administers zoning, platting and variances2
Septic
MSDH; request on-site wastewater services through its Wastewater Call Center3
RV living
No living, sleeping or housekeeping in parked or stored recreational equipment on residentially zoned property4
Small dwellings
Occupancy floor-area rule: 150 square feet for the first occupant plus 100 for each additional occupant; this is not blanket tiny-home approval52
AR lot size
AR single-family district describes lots of at least 1 acre6
Owner-builder
State own-residence licensing exemption does not waive city building permits or inspections71

Who to call

Building permits

Olive Branch Building Department — Building Counter

Construction building permits and inspections inside Olive Branch city limits

662 892 9333

Online permits →

Planning & zoning

Olive Branch Planning Division

City zoning, platting, variances and development review

662 892 9334

Septic permits

Mississippi State Department of Health — Wastewater Call Center

On-site wastewater service requests for DeSoto County, including septic permits and inspections

855-220-0192

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

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Do you need a building permit in Olive Branch, MS?

Olive Branch’s Building Department is responsible for permitting all construction and inspecting the work as construction progresses.1 The property owner remains responsible for obtaining proper construction permits even when the contractor submits the application.8 Olive Branch has adopted the International Residential Code and International Building Code by reference.9

Mississippi’s exemption for owners supervising construction of their own residence concerns residential-builder licensing; the exemption does not remove locally required building permits or inspections.7 Before budgeting an owner-built home, ask the Building Counter which application documents and inspections the proposed work needs.8

Who issues Olive Branch building permits, and how do you apply?

The Olive Branch Building Counter handles construction permits and inspections and can be reached at 662 892 9333.8 Olive Branch accepts applications and associated materials electronically through the city application portal.8 The city says fees are subject to change and advises calling ahead for current rates, so request a project-specific building-permit estimate from the Building Counter.8

Olive Branch’s Planning Division handles zoning, platting, variances and development review; reach the planning contact at 662 892 9334 for those questions.10 A zoning question belongs with city Planning, while construction permitting and work inspections belong with the city Building Department.108

Does Olive Branch have zoning, lot-size rules and setbacks?

Olive Branch has city zoning administered by the Planning Division, which also reviews platting and variances.2 In Olive Branch’s AR single-family residential district, the stated district purpose describes rural-density residential lots of at least 1 acre; that figure is not a citywide minimum for every zoning district.6 The city code also contains separate R-4 multiple-family district regulations, so the parcel’s district matters before choosing a home design or splitting land.1112

We could not confirm the district setback, height and lot-coverage values here; ask Olive Branch Planning for the applicable chart of regulations and a parcel-specific zoning review.10 We also could not confirm independent accessory-dwelling permission or an agricultural exemption, so include those uses in that request.10

How do septic permits work inside Olive Branch?

The Mississippi State Department of Health administers individual on-site wastewater systems, including systems in DeSoto County.13 A new on-site wastewater system requires a complete MSDH application; the soil and site evaluation provides the permit/recommendation needed to obtain a water meter.1415 The local MSDH office in DeSoto County has closed, and wastewater service requests now go by phone to the Wastewater Call Center at 855-220-0192.3

City zoning and building approval do not replace MSDH wastewater approval.2116 Mississippi requires connection and abandonment of an on-site system when centralized wastewater treatment becomes available.16 Ask city Planning about the proposed development and MSDH about the sewage plan before assuming an Olive Branch parcel can use septic.103

Can you live in an RV or tiny home in Olive Branch?

Olive Branch prohibits occupying parked or stored recreational equipment for living, sleeping or housekeeping on residentially zoned property.4 Permission to park an RV therefore does not authorize using that RV as a home while building.4 We could not confirm a general temporary-camping exception; ask Olive Branch Planning about the exact parcel and proposed use.10

Olive Branch requires each dwelling or dwelling unit to have at least 150 square feet of gross floor area for the first occupant and 100 square feet for each additional occupant, with separate sleeping-room requirements.5 Those occupancy standards do not establish blanket approval for a tiny home: city zoning and adopted residential building-code requirements still need review.29

Building a home in Olive Branch: what should you check first?

  1. Ask Olive Branch Planning to confirm the parcel’s district and whether the proposed home, lot division or accessory use needs zoning review or a variance.10
  2. Resolve wastewater service before arranging water connection: Mississippi requires written Department approval of the sewage treatment and disposal plan before a public water utility connects service.16
  3. Submit construction applications to the Olive Branch Building Department and arrange the city’s construction inspections.8
  4. Check flood risk before finalizing the house elevation: in Olive Branch special flood hazard areas with base flood elevation data, new or substantially improved residential buildings must have the lowest floor, including basement, at least 2 feet above base flood elevation.17

For land outside city limits, use the DeSoto County guide for the county’s unincorporated-area zoning answer.18

Watch-outs

  • Olive Branch’s $25 use-and-occupancy permit information concerns new businesses; it does not establish a universal residential occupancy permit or residential building-permit price.19
  • We could not confirm private-well approval or off-grid sanitation permission inside Olive Branch; ask city Planning and MSDH about the proposed water and wastewater arrangement.103
  • Mississippi requires factory-built homes installed under its inspection program to be inspected before occupation; city construction approvals are a separate requirement.201

Sources

  1. obms.us (Olive Branch), quoted and re-checked
  2. Planning & Development (Olive Branch), quoted and re-checked
  3. Mississippi State Department of Health — Wastewater Call Center (desotocountyms.gov)
  4. library.municode.com (Olive Branch), quoted and re-checked
  5. Zoning Ordinance, Article XII.5, Maximum Occupancy Regulations (Olive Branch), quoted and re-checked
  6. Zoning Ordinance, Article V, Section 2, AR Single-family residential district (Olive Branch), quoted and re-checked
  7. Mississippi Senate Journal, March 9, 2022 (Mississippi statewide rule), quoted and re-checked
  8. Olive Branch Building Department — Building Counter (obms.us)
  9. Zoning Ordinance, Article XII.5, Maximum Occupancy Regulations (Olive Branch), quoted and re-checked
  10. Olive Branch Planning Division (obms.us)
  11. Ordinance & Regulations (Olive Branch), quoted and re-checked
  12. Zoning Ordinance, Article V, Section 6, R-4 Multiple-family residential district (Olive Branch), quoted and re-checked
  13. On-Site Wastewater, quoted and re-checked
  14. On-Site Wastewater, quoted and re-checked
  15. On-Site Wastewater, quoted and re-checked
  16. Mississippi State Department of Health Current Regulations: On-site Wastewater (Mississippi statewide rule), quoted and re-checked
  17. Flood Damage Prevention Ordinance, Section 30-102 (Olive Branch), quoted and re-checked
  18. Planning & Building, quoted and re-checked
  19. New Businesses Moving into Olive Branch (Olive Branch), quoted and re-checked
  20. MH-5 Uniform Standards Code for Factory-Built Homes Law (Mississippi 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 Olive Branch

Olive Branch’s own rules

  • Building code adoptedAdopted

    Buildings inside Olive Branch city limits.

    • The zoning ordinance states that the City has adopted the IRC and IBC by reference.
    “It is recognized that the International Residential Code (IRC) and the International Building Code (IBC), both of which the City has adopted by reference, contain minimum standards for room sizes and related regulations.”
  • InspectionsRequired

    Construction inside Olive Branch city limits.

    • The City states that permits are used to inspect construction as it progresses.
    “Building Department is responsible for permitting all construction and conducting inspections of the work.”
  • Certificate of occupancyLimited

    New businesses opening inside Olive Branch city limits.

    • The cited City page addresses business use-and-occupancy permits and life-safety inspections; it does not establish a universal residential certificate-of-occupancy requirement.

    use and occupancy permit fee: 25 USD

    “Come by our office at 9065 Goodman Road and fill out a Use and Occupancy permit. The fee is $25.”
  • Local zoningPresent

    Land inside Olive Branch city limits.

    • The City Planning Division administers zoning, platting, variances, and other permits.
    “The Planning Division is responsible for comprehensive development review including zoning, platting, variances, and other permits.”
  • Zoning districtsPublished

    Zoning districts inside Olive Branch city limits.

    • The adopted code contains district-specific regulations, including AR and R-4 sections.
    • Municode is provided by the City for public access to its ordinances.
    “AR single-family residential district. The primary purpose of this district is to permit the development of single-family residential areas characterized by a rural atmosphere, low overall density with lots of at least one acre in size.”
  • Minimum dwelling sizeSpecified

    Every dwelling and dwelling unit inside Olive Branch city limits.

    • Sleeping rooms also have separate minimum area and width requirements.
    • IRC and IBC standards may be used in conjunction with the article.

    first occupant minimum gross floor area: >= 150 square feet · each additional occupant minimum gross floor area: >= 100 square feet

    “Each dwelling and each dwelling unit shall have a minimum gross floor area of not less than 150 square feet for the first occupant and not less than 100 square feet for each additional occupant.”
  • Minimum lot sizeDistrict specific (with conditions)

    Residential development in the R-4 multiple-family residential district.

    • The district uses a graduated lot-area formula by number of dwelling units.

    first dwelling unit lot area: >= 9000 square feet · second and third dwelling units lot area: >= 12000 square feet · each additional dwelling unit over three: >= 2800 square feet

    “The minimum required lot area shall be 9,000 square feet for the first dwelling unit, 12,000 square feet for the second dwelling unit and the third dwelling unit, and 2,800 square feet for each additional dwelling unit over three.”
    One more reviewed finding on this topic
    • District specific (with conditions) — Single-family dwellings in the AR single-family residential district.
      “The primary purpose of this district is to permit the development of single-family residential areas characterized by a rural atmosphere, low overall density with lots of at least one acre in size.”
  • Living in an RVProhibited

    Occupancy or use of recreational equipment, including recreational vehicles and campers, on residentially zoned property inside Olive Branch city limits.

    • Recreational equipment may be parked in a front-yard driveway only subject to stated conditions, including dangerous-condition, sidewalk-overlap, and current-license restrictions.
    • The prohibition concerns living, sleeping, or housekeeping use.

    temporary public-road stopping or parking: <= 12 hours (Emergency or temporary stopping or parking is permitted subject to other applicable restrictions.)

    “At no time shall parked or stored recreational equipment be occupied or used for living, sleeping, or housekeeping purposes.”
  • Building in a floodplainRequired

    New construction and substantial improvements in Olive Branch special flood hazard areas.

    • Residential buildings, including manufactured homes, must have the lowest floor, including basement, at least two feet above base flood elevation where base flood elevation data are provided.
    • Additional enclosure, flood-opening, anchoring, fill, encroachment, subdivision, and professional-certification requirements apply by flood zone.

    minimum elevation above base flood elevation: >= 2 feet (Residential construction in designated special flood hazard areas with base flood elevation data.)

    “New construction and substantial improvement of any residential building (including manufactured home) shall have the lowest floor, including basement, elevated to no lower than two feet above the base flood elevation.”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Olive Branch or DeSoto County directly.

  • Owner-builder exemption — Owner-builder residential construction inside Olive Branch city limits.
  • Setbacks — Residential and agricultural development inside Olive Branch city limits.
  • Lot coverage — Residential and agricultural development inside Olive Branch city limits.
  • Building height — Residential and agricultural development inside Olive Branch city limits.
  • Camping on your land — Temporary camping on private land inside Olive Branch city limits.
10 more unanswered
  • Accessory dwellings
  • Who permits septic
  • Septic permit
  • Septic inspection
  • Off-grid sanitation
  • Well permit
  • Mandatory utility hookup
  • Agricultural exemption
  • Driveway access
  • Short-term rentals

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

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