Bolthole Index

Martin County, Indiana

Building permits, zoning and land rules in Martin County, Indiana

69Index Score / 100
#17 of 92 in Indiana

Martin County, Indiana does not publish a clearly confirmed countywide residential building-permit requirement or issuing office; local administrative rules determine whether a permit or plan review is required.12 Indiana's residential code still applies to one- and two-family homes.3 Before building on unincorporated land, contact Martin County government about the parcel and the Health Department about septic.45

At a glance

Building permit
Requirements depend on the local jurisdiction; confirm the parcel with Martin County government before work begins124
Building code
The Indiana Residential Code applies to one- and two-family homes3
Zoning
A county plan commission exists, but current operative zoning rules and a zoning map could not be confirmed6
Septic
Martin County Health Department issues septic permits and publishes an application fee57
RV or tiny home
Private-land occupancy rules could not be confirmed; ask county government before relying on either use64
Owner-builder
No applicable owner-builder exemption could be confirmed8
Private well
Ask the Health Department whether the parcel needs a local well permit; Indiana licenses water-well drillers910

Who to call

Planning & zoning

Martin County government

Starting point for parcel-specific building, planning, zoning and floodplain contacts

(812) 247-3731

129 Main St, Shoals, IN 47581

Septic permits

Martin County Health Department

Septic permit applications and environmental-health questions

(812) 247-3303

127 Water Street, Shoals, IN 47581

Roads & driveways

Martin County Highway Department

County-road maintenance and driveway-culvert recommendations and installation

(812) 247-2666

[email protected]

Contact details are copied from each office’s official page and were checked against it on September 27, 2026.

Do you need a building permit in Martin County, Indiana?

Martin County's available information does not establish one clear countywide answer for a residential building permit, so do not treat rural land as permit-free.1 Indiana leaves local jurisdictions authority to require building permits or plan review, establish departments, schedule inspections and impose fines.2

The Indiana Residential Code applies to one- and two-family dwellings even where the local permit path is unclear.3 Residential structures fall under a local government entity when one exists; the county may inspect where no local entity exists, while the state describes an issue with no local entity as a private civil matter.11 Start with Martin County government and give the office the parcel number, site address, proposed use and whether the property is inside a city or town.4 Incorporated municipalities may have their own administrative process, so a county answer should not be assumed to cover land inside municipal limits.2

Who handles building permits in Martin County?

Martin County does not identify a dedicated county building or inspection department in the available county information, and a countywide residential issuing authority could not be confirmed.1 Martin County government is the practical first contact because the Board of Commissioners establishes ordinances and appoints members to boards and commissions.4 Ask which office has authority over the exact parcel and whether the project needs planning approval, a local building permit, inspections or a floodplain review.2

For a one- or two-family dwelling, Indiana assigns responsibility to a local government entity when one exists; Martin County may provide inspections where there is no local entity.11 State Code Enforcement instead inspects Class I structures in places without an approved building department and performs inspections when a state Construction Design Release applies.12 An agricultural-only building that is on the farm and not used for retail trade is outside the state Class I classification, but that does not settle local zoning or inspection requirements.13

Does Martin County, Indiana have zoning?

Martin County established an Advisory Plan Commission and adopted a comprehensive plan, but those facts alone do not confirm the operative zoning districts, map or dimensional rules for a particular parcel.6 We could not confirm current county rules for minimum lot size, setbacks, building height, lot coverage or minimum dwelling size, so ask Martin County government for the governing ordinance and map before designing a house or dividing land.4

A parcel inside a city or town may follow that municipality's rules rather than the process for unincorporated Martin County.2 If land will be split outside municipal boundaries, Indiana requires a correct plat to be recorded before lots are sold, with county approval involved unless an applicable subdivision-control ordinance places plat approval with the plan commission.14 Treat road access and sanitation as separate approvals: county-road culverts go through the Highway Department's review process, while septic goes through the Health Department.155

How do septic permits work in Martin County?

Martin County Health Department administers on-site sewage permitting and provides a septic-permit application through its environmental-health function.5 The county publishes a $100 septic permit application fee, but that figure does not establish the cost of design, soil work, installation or other permits.7 Call the Health Department before committing to a house site and ask what it needs for the current parcel and proposed bedroom count.10

Site conditions deserve early attention because only about 1.4% of county soils are rated without severe limitations for a conventional septic drain field.16 That soil rating is a screening signal, not a parcel-specific denial, so leave room in the purchase timeline for the Health Department's required evaluation.5 If sanitary sewer is available within a reasonable distance, Indiana prohibits a new onsite disposal system and requires connection to the sewer.17 Off-grid plans still need compliant sanitation; drywells and cesspools are not allowed as onsite sewage treatment.18

Can you live in an RV or tiny home in Martin County?

We could not confirm a Martin County rule that authorizes long-term RV living on a private parcel or specifically regulates tiny-home occupancy.6 Ask Martin County government about the parcel's land-use status, setbacks and dwelling standards before buying land for either use.4 A tiny home intended as a dwelling remains subject to Indiana's residential code when it falls within one- or two-family residential construction.3

Indiana's campground rules do not answer whether someone may live in an RV on an individually deeded lot; the statewide rule addresses regulated campgrounds and expressly has a different scope.19 Likewise, the temporary-campground rule governs campground operations rather than establishing private-land residential permission.20 Sanitation remains a separate constraint: a dwelling beyond sewer service needs a compliant onsite sewage system, while a site within reasonable reach of sanitary sewer must connect.21 The Health Department is the right office for septic feasibility, not for a promise that RV or tiny-home occupancy is allowed.10

What steps should you take before building in Martin County?

  1. Confirm whether the parcel is in unincorporated Martin County or inside a municipality, then ask Martin County government which planning, zoning, floodplain and building authorities apply.42
  1. Take a sketch of the proposed home, accessory structures, driveway and septic area to the responsible local office before final design.1
  1. Contact the Health Department early for the septic application and parcel-specific site requirements; conventional drain-field suitability is severely limited across most mapped county soils.1016
  1. For access from a county road, call the Highway Department about a driveway culvert; the department reviews the site, recommends pipe size and installs owner-purchased pipe under its stated process.15 For access from an Indiana state highway, permission from the road authority is required and applications go through INDOT's electronic system.22
  1. Check flood status before placing improvements because Indiana DNR has jurisdiction over most floodway development, while local rules can still apply elsewhere in the floodplain.2324
  1. Obtain every required approval before construction and keep the approved plans, receipts and inspection records together.252

What should you check before buying land in Martin County?

Start with buildability, not the listing description. Ask Martin County government for the controlling jurisdiction, current land-use rules, floodplain contact and any recorded plat constraints.4 Ask the Health Department about septic feasibility and whether a private well needs a local permit, because Indiana's statewide guidance says some local health departments require well permits but does not identify Martin County's rule.109

Terrain and ownership patterns can narrow the usable envelope: about 54% of land has a slope of 15% or less, about 69.9% is wooded and about 32% is federal land.262728 Those countywide figures do not replace a survey, title review or site evaluation.14 For budgeting context, the county's effective property-tax rate is about 0.5% and the median annual property-tax bill is about $798.2930 Finally, confirm legal road access and culvert needs with the Highway Department before assuming a visible track can serve a homesite.15

Watch-outs

  • The presence of a plan commission and comprehensive plan does not by itself identify the operative zoning map or parcel rules; ask Martin County government for the current ordinance covering the site.64
  • A published septic application fee does not include every site, design or installation cost.7
  • A driveway onto an Indiana state highway requires permission from INDOT, while county-road culvert questions go to the Martin County Highway Department.2215
  • Do not assume an agricultural building is exempt from local rules merely because qualifying farm-use buildings are outside Indiana's state Class I classification.13

Sources

  1. Martin County Ordinances and Resolutions (2026 county census)
  2. DHS: Boards and Commissions (Indiana statewide rule), quoted and re-checked
  3. DHS: Rules of the Indiana Fire Prevention and Building Safety Commission, quoted and re-checked
  4. Martin County government (in.gov)
  5. Martin County: Health Department, quoted and re-checked
  6. Martin County Ordinances and Resolutions (2026 county census)
  7. Martin County: Health Department, quoted and re-checked
  8. (2026 county census)
  9. Recommended Standards For Private Water Wells (Indiana statewide rule), quoted and re-checked
  10. Martin County Health Department (in.gov)
  11. DHS: Code Enforcement, quoted and re-checked
  12. DHS: Code Enforcement (Indiana statewide rule), quoted and re-checked
  13. Plan Review FAQs (Indiana statewide rule), quoted and re-checked
  14. 2023 County Recorders Resource Library (Indiana statewide rule), quoted and re-checked
  15. Martin County Highway Department (in.gov)
  16. Share of soils without severe limits for a conventional septic drain field (USDA SSURGO): Bolthole Index county data
  17. Environmental Public Health: Onsite Sewage Systems Program, quoted and re-checked
  18. 410 IAC 6-8.3 Residential On-Site Sewage Systems (Indiana statewide rule), quoted and re-checked
  19. Environmental Public Health: 410 IAC 6-71 Campgrounds (Indiana statewide rule), quoted and re-checked
  20. Environmental Public Health: 410 IAC 6-71 Campgrounds (Indiana statewide rule), quoted and re-checked
  21. Environmental Public Health: Onsite Sewage Systems Program, quoted and re-checked
  22. INDOT Driveway Permit Guide 2024 (Indiana statewide rule), quoted and re-checked
  23. Water: Community Assistance & Information (Indiana statewide rule), quoted and re-checked
  24. Water: Community Assistance & Information (Indiana statewide rule), quoted and re-checked
  25. Martin County: Health Department, quoted and re-checked
  26. Share of land at 15% slope or less: Bolthole Index county data
  27. Wooded share of land: Bolthole Index county data
  28. Federal land share: Bolthole Index county data
  29. Effective property tax rate: Bolthole Index county data
  30. Median property tax bill: Bolthole Index county data

Written September 27, 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.

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County locator

Martin County in Indiana

69
County map
Martin County highlighted among the Indiana counties · colored by Index score

How Martin County scores

Seclusion40100% ev.
Self-Sufficiency65100% ev.
Admin Boringness5590% ev.
Durability66100% ev.
Property Autonomy71100% ev.
Carry Cost79100% ev.

Evidence strength: 98%. This reports direct-source completeness and fallback use; it is separate from the score and is not a confidence interval. How it works →

$210kTypical home
0.5%Property tax
$5,972Land / acre
49.4"Annual rain
3.2% of yrsSevere drought
6.9 / yr (+6.4)Mid-century 100°F days
14.2 daysMid-century dry spell
1.91" (+5.6%)Mid-century 1-day rain
1.85×Wildfire change factor
100%Forward climate coverage
$1,394Home insurance / yr
0% / yrInsurance growth
1.35%Nonrenewal rate
county median (2+ published ZIPs)Insurance basis
45,846People within 30 min
4,498,152People within 2 hr
30,589Radius comparison (15 mi)
29.5People / sq mi
32%Federal land
54%Land at 15% slope or less
1.4%Septic soil without severe limits
2,872 acWorkable land screen
69.9%Wooded land
63.2 tonsBiomass / forest ac
54.1°FAvg temp

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Answers from the rulebook for Martin County

What the ordinances and state agencies actually say — one answer per question, each quoted from the official source and independently re-checked.

Martin County rules

  • Who permits septicCounty

    On-site sewage permitting administered through the Martin County Health Department.

    • Indiana's onsite sewage program also supplies statewide rules and oversight.
    • The county page identifies an Environment Specialist and a septic-permit application.
    “Environment Specialist Cory Roush Septic Permits: Fee: $100.00 – Application”
  • Permit feesPublished (with conditions)

    Martin County septic permit applications.

    • The county health page lists a $100 septic permit application fee.
    • The source does not establish fees for building, zoning, floodplain, driveway, or other permits.

    septic permit application fee: 100 USD

    “Septic Permits: Fee: $100.00 – Application”
  • Permit processPartial

    Martin County septic permitting.

    • The official county health page identifies the Environment Specialist and provides a septic permit application link.
    • The page lists a $100 application fee.
    • No complete countywide building or land-use permit process was located.

    septic permit application fee: 100 USD

    “Environment Specialist Cory Roush Septic Permits: Fee: $100.00 – Application”
  • County-wide zoningPresent

    Martin County established an Advisory Plan Commission (Resolution 2009-16) and adopted a countywide Comprehensive Plan (2009-28; updated 2025-36), the Indiana framework under which advisory plan commissions administer county zoning.

    Martin County Ordinances and Resolutions ↗Scouted from the county site, not yet independently re-checked

Indiana rules that apply here

  • Building permitLimited

    Building-permit or plan-review requirements for construction in Indiana; the state describes these as administrative provisions local jurisdictions may adopt and enforce.

    • Whether a building permit or plan review is required depends on the applicable local jurisdiction's administrative ordinance or process.
    • The cited IDHS statement says local jurisdictions retain authority to establish departments, create inspection schedules, establish fines, and create an order-review process.
    • IDHS states its summary represents the agency's position and is not binding; initial determinations about enforceability of a specific ordinance are left to the local unit administering it.
    “However, HEA 1575 did not eliminate the authority of local jurisdictions to adopt and enforce administrative provisions in building and fire safety ordinances, which include, among other things: (1) the establishment of departments; (2) the requirement to obtain a building permit or plan review; (3) the creation of inspection schedules; (4) the establishment of fines; or (5) the creation of an order review process.”
  • Building code adoptedAdopted (with conditions)

    Statewide Indiana construction subject to the Indiana Fire Prevention and Building Safety Commission's adopted building codes, including the Indiana Building Code and Indiana Residential Code.

    • The adopted codes consist of model codes amended for Indiana.
    • The 2014 Indiana Building Code under 675 IAC 13-2.6 is currently in effect and became effective December 1, 2014.
    • The 2020 Indiana Residential Code under 675 IAC 14-4.4 is currently in effect and became effective December 26, 2019.
    • Specific applicability depends on the structure and code category.

    Indiana Building Code effective date: 2014-12-01 · Indiana Residential Code effective date: 2019-12-26

    “The Fire Prevention and Building Safety Commission creates Indiana codes by adopting model codes and amending them to apply in Indiana.”
    One more reviewed finding on this topic
    • Adopted — One- and two-family residential construction in Martin County under Indiana's statewide residential code.
      “675 IAC 14-4.4 | 2020 Indiana Residential Code | 2018 International Residential Code for One- and Two-Family Dwellings, First Printing | Currently in Effect Effective: 12/26/2019”
  • InspectionsLimited

    Residential and agricultural structures in Martin County where local inspection authority is absent or where state Code Enforcement jurisdiction applies.

    • Residential structures fall under the local government entity when one exists.
    • If there is no local government entity, the local county government may provide inspections.
    • If there is no local entity, the residential issue becomes a private civil matter.
    • In jurisdictions without an approved building department, Code Enforcement inspects Class I structures for construction compliance.
    “Agricultural buildings and residential structures (one- and two-family dwellings) fall under the jurisdiction of the local government entity. If there is no local government entity, then the local county government may provide inspections. Designated via Home Rule in state statute, residential dwellings fall to the responsibility of the local government entity if there is one. In the event there is no local, the residential issue becomes a private civil matter.”
    One more reviewed finding on this topic
    • Limited — Construction inspections in Indiana, including Class I structures in jurisdictions without an approved building department and construction subject to a Construction Design Release.
      “In jurisdictions where there is not an approved building department, Code Enforcement inspects Class I structures for construction compliance. When a Construction Design Release is applied for through the Building Plan Review Section, Code Enforcement will conduct inspections during the construction process and provide a final inspection. Agricultural buildings and residential structures (one- and two-family dwellings) fall under the jurisdiction of the local government entity.”
  • Off-grid sanitationLimited

    Residential sanitation in Indiana where a dwelling is not connected, or cannot be connected, to a sanitary sewerage system.

    • The dwelling must be provided with a compliant residential on-site sewage system including a septic tank and a soil absorption system that has not failed.
    • A temporary sewage holding tank is subject to written Indiana Department of Health approval, with specified exceptions for failed systems, soil conditions after a construction permit, and certain district, utility, or municipal sewage plans.
    • A holding tank operated as a primary residential disposal method for a sewer connection plan is limited to not more than one year unless the period is extended upon documentation of satisfactory operation.
    • Drywells and cesspools are not allowed for construction or use as on-site sewage treatment in Indiana.

    holding-tank sewer-connection period: <= 1 year (may be extended upon documentation of satisfactory operation)

    “septic tank and a soil absorption system”
    One more reviewed finding on this topic
    • Limited — Onsite sewage disposal for facilities in Martin County.
      “The Onsite Sewage Disposal Program promotes the use of technologically correct onsite sewage disposal methods for one and two-family dwellings beyond the reach of sanitary sewers. [...] If a sanitary sewer is available within a reasonable distance of the proposed facility, installation of an onsite sewage disposal system is prohibited, and a connection must be made to the sewer.”
  • Well permitLimited

    Construction of residential water-supply wells and installation of well pumps in Indiana.

    • Indiana Department of Health standards state that several local health departments require a permit before residential water-supply well construction or well-pump installation.
    • The cited statewide source does not identify which local health departments require permits; local requirements must therefore be checked for the specific property.
    • Water-well drillers must be licensed by the Indiana Department of Natural Resources.
    “Several local health departments now require that a permit be obtained before construction of a residential water supply well or installation of a well pump.”
  • Mandatory utility hookupConditional

    Facilities using onsite sewage disposal where a sanitary sewer may be available in Martin County.

    • If a sanitary sewer is available within a reasonable distance, onsite sewage disposal is prohibited.
    • A connection to the sanitary sewer must be made.
    “If a sanitary sewer is available within a reasonable distance of the proposed facility, installation of an onsite sewage disposal system is prohibited, and a connection must be made to the sewer.”
  • Agricultural exemptionAvailable (with conditions)

    Buildings used only for an agricultural purpose on the land where they are located and not used for retail trade, for purposes of Indiana state Class 1 construction-design-release requirements.

    • The building must be used only for an agricultural purpose.
    • The building must be located on the land where the agricultural purpose occurs.
    • The building must not be used for retail trade.
    • This is an exemption from Class 1/state design-release classification; it does not establish exemption from every local inspection, zoning, building, fire, or other applicable requirement.
    • Indiana's official Code Enforcement FAQ states that local units of government inspect agricultural buildings if they have an ordinance requiring inspection.

    state design-release classification: not Class 1 (Does not resolve local inspection or zoning requirements)

    “Buildings used only for an agricultural purpose on the land where they are located and not used for retail trade are not Class 1 structures.”
  • Subdividing landRegulated (with conditions)

    Subdivision of lots or lands outside the corporate boundaries of a municipality in Indiana.

    • A correct plat must be recorded with the county recorder before selling lots.
    • The plat must show public places, public ways, and the length, width, and size of each lot.
    • A registered land surveyor must certify the correctness of the plat.
    • The subdivision plat must be submitted for approval by the board of county commissioners.
    • The county recorder may record the plat only if a certificate showing approval of the county commissioners is attached.
    • Once a subdivision-control ordinance is adopted and filed, the plan commission has exclusive control over approval of plats and replats covered by that ordinance.
    • The cited state summary distinguishes subdivisions outside municipalities; incorporated municipalities may have separate statutory or local procedures.
    “Subdivisions Outside Cities and Towns: A person who lays out a subdivision of lots or lands outside the corporate boundaries of any municipality shall record a correct plat of the subdivision in the office of the recorder of the county before selling any lots in the subdivision. The plat must show public places, public ways, and the length, width, and size of each lot.”
  • Driveway accessRequired

    Driveway connections and construction inside the right-of-way of Indiana state highways.

    • The governmental unit having jurisdiction over the street or highway must grant permission.
    • INDOT jurisdiction is limited to the Indiana state highway system; other governmental units may use the guide as a guideline.
    • Applications must be made through the INDOT Electronic Permit System.
    “State law requires the public to obtain permission from the governmental unit having jurisdiction over a street or highway”
  • Building in a floodplainLimited

    Development activities within the fringe portion of Indiana floodplains.

    • There is no state review or state permit for fringe development.
    • When a community adopts floodplain regulations, the regulations must be approved by the Department and may not be less restrictive than 312 IAC 10.
    • Most Indiana communities participate in the NFIP, which requires certain federal regulations to be adopted and enforced for the entire floodplain.
    • Local permits may still be required.
    “There is no State review of or permit issued for development activities within the fringe portion of the floodplain.”
    One more reviewed finding on this topic
    • Required — Most development activities in Indiana floodways, including fills, excavations, bridges, utilities, and non-residential structures.
      “The DNR Division of Water has jurisdiction in Indiana's floodways for most development activities.”
  • Campground & park staysLimited

    Recreational vehicle occupancy at a regulated Indiana campground campsite, rather than residential occupancy on an individually deeded lot or other land outside the rule's campground definition.

    • A campground is an area where campsites are leased or rented and provisions are made for ten or more tents, recreational vehicles, park models, or vacation mobile homes.
    • The campground must be established, operated, and maintained for recreational, health, education, sectarian, business, or tourist activities away from established residences.
    • The rule excludes primitive campgrounds, youth camps, and tracts of land divided into individually deeded lots.
    • No more than one recreational vehicle or one vacation mobile home may be allowed on a designated campsite at the same time.
    • Campground construction, additions, or significant construction changes require plans submitted at least ninety days before construction for department review and approval; the plans must be certified by a registered engineer or architect licensed in Indiana.
    • The rule does not establish a general statewide authorization for long-term residential RV occupancy outside regulated campgrounds.

    minimum campground provisions: >= 10 tents, recreational vehicles, park models, or vacation mobile homes · maximum recreational vehicles per designated campsite: 1 vehicle (one vacation mobile home may be used instead) · advance plan-submission period: >= 90 days (the department may waive plan review for a minor alteration)

    “No more than one (1) recreational vehicle or one (1) vacation mobile home”
    One more reviewed finding on this topic

Still unanswered

We looked and could not find an official answer yet. Silence is not permission — ask the county directly.

  • Owner-builder exemption — Owner-builder exemptions for construction in Martin County.
  • Certificate of occupancy — Certificates of occupancy for buildings in Martin County.
  • Local zoning — Local zoning across Martin County, including incorporated municipalities and unincorporated areas.
  • Zoning districts — Published zoning districts or zoning maps in Martin County.
  • Minimum dwelling size — Minimum dwelling size in Martin County.
11 more unanswered
  • Minimum lot size
  • Setbacks
  • Lot coverage
  • Building height
  • Living in an RV
  • Camping on your land
  • Tiny homes
  • Manufactured homes
  • Accessory dwellings
  • Septic inspection
  • 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.

Living off-grid in Martin County, Indiana

Is Martin County a good place to live off-grid or homestead?

Martin County scores 69/100 on the Bolthole Index, a strong county profile. Its strengths: manageable long-term carry cost and a stronger property-autonomy legal backdrop. Watch-outs: about 45,846 people within a 30-minute drive.

Do you need a building permit in Martin County, Indiana?

Martin County requires a building permit only in limited cases (such as floodplains or specific zones), and it enforces county zoning. Onsite septic is permitted by Martin County Health Department (Environmental Specialist). These answers are quoted from official sources and independently re-checked. Rules change and cities within the county differ — always confirm with the county before you buy or build.

How much does land cost in Martin County, Indiana?

Land in Martin County runs about $5,972 per acre, based on the latest county data.

What is the water situation in Martin County?

Martin County gets about 49.4" of rain a year, with severe drought in roughly 3.2% of years.

How remote is Martin County?

A representative private-land location has about 45,846 people within a 30-minute drive and 4,498,152 within two hours. The road-network catchments count population across county lines and clusters of smaller cities; straight-line radius values remain available as a comparison.

Off-grid gear

Going off-grid in Martin County means bringing your own water and power. The kit we’d start with:

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How Martin compares in Indiana

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