Bolthole Index

Montgomery County, Texas

Zoning, building permits and septic rules in Shenandoah, Texas

The City of Shenandoah, Texas (Montgomery County) regulates land use through its own zoning districts1 and requires a building permit for new construction, remodeling and enlargements inside city limits2. The city's Community Development Department issues those permits and inspects the work3. We could not confirm who permits septic systems inside the city, so ask the city before assuming Montgomery County's septic rules apply.

At a glance

Building permit
Required inside city limits for new construction, remodeling and enlargements2
Who issues it
City of Shenandoah Community Development Department4
Zoning
Yes, the city zones land within its limits1
Building codes
2021 International codes adopted as minimum standards5
Certificate of occupancy
Required for every occupied or used building or structure6
Accessory dwellings
Limited: one garage apartment or accessory dwelling per lot7
Septic inside the city
We could not confirm; ask the city and Montgomery County Environmental Health8
Owner-builder exemption
Electrical and plumbing licensing exemptions only; no city permit exemption confirmed9

Who to call

Building permits

City of Shenandoah Community Development Department

Building permits, development permits and residential and commercial inspections inside Shenandoah city limits, applied for online.

281-298-5522

29955 I-45 North Shenandoah, Texas 77381

Septic permits

Montgomery County Environmental Health Services (On-Site Sewage Facilities)

Septic (on-site sewage facility) permits for Montgomery County as local agent for the state; whether it covers lots inside Shenandoah city limits is unconfirmed.

936-539-7839

501 N Thompson Street, Suite 101, Conroe, Texas 77301

Contact details are copied from each office’s official page and were checked against it on October 24, 2026.

Off-grid gear

Going off-grid in Shenandoah 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.

Does Shenandoah, Texas have zoning, and what does it mean for RVs, tiny homes and lot size?

Yes. The City of Shenandoah classifies and regulates the use of land, buildings and structures within its city limits through zoning regulations1. Each property's use and construction must conform to the rules for its zoning district1, and the Community Development Director maintains the official Zoning District Map10.

Dimensional rules change by district, so look up your parcel's district on the city's zoning map before you plan anything. Maximum residential building height, for example, depends on the district and runs from two or three stories not exceeding 40 feet to 45 feet11.

For accessory dwellings, a garage apartment must sit on the same lot as the main dwelling and may not exceed 50 percent of the main dwelling's size; a lot may hold only one main dwelling and one garage apartment or accessory dwelling7.

We could not confirm the city's rules for living in an RV, tiny-home occupancy, manufactured homes or temporary camping on private land. Ask the Community Development Department before you buy a lot with any of those plans3.

Do you need a building permit in Shenandoah, and who issues it?

Yes. Shenandoah requires a permit for new construction to a building, remodeling or enlargement, and for some repair work or alterations to an existing structure2. Cosmetic projects such as wallpaper, carpet, paint, cabinets or trim work do not need one2.

The city's own Community Development Department issues development permits and performs residential and commercial inspections for new construction and renovations4. Applications go through the city's MyGovernmentOnline portal12. A permit must be issued before work begins, and a building permit will not be issued until outstanding platting and zoning issues are approved2.

The city has adopted the 2021 International Building Code, International Residential Code and related 2021 International codes, plus the 2023 National Electrical Code, as minimum standards; a stricter standard from the city's Code of Ordinances may apply5. The cost of each permit varies by permit type, and the city publishes a permit fee schedule13.

Every occupied or used building or structure also needs a certificate of occupancy6. Texas exempts owners from state electrician licensing on a dwelling they own and live in, but that is a licensing exemption and not an exemption from locally administered building permits or inspections9. We could not confirm any city owner-builder permit exemption.

How do septic permits work inside Shenandoah?

We could not confirm who issues septic permits, or what the permit and inspection rules are, for lots inside Shenandoah city limits. The city publishes a water and sewer map on its Community Development page3; a lot served by city sewer would not need a septic system at all, but we found no published rule on when connection is required.

Call the Community Development Department to ask whether your address has city sewer, then confirm septic authority with Montgomery County Environmental Health8. Texas septic permitting is run by a local authorized agent where the state has authorized one, and by the state's regional office where it has not14. In Montgomery County, the county's Environmental Health office issues septic permits in the unincorporated area15.

If the county does handle your lot, a new system needs a site evaluation and soil analysis and a design by a Registered Sanitarian or Registered Professional Engineer, and the county will not permit a system in the regulatory floodway16. Montgomery County's soil data points the same way: only 2.2% of soils are rated not limited for a conventional drain field, so expect a site evaluation and possibly an engineered system17.

Building a home in Shenandoah: the steps, in order

  1. Find the parcel's zoning district on the city's zoning map and confirm that a house, garage apartment or other structure you want is allowed there10.
  2. Ask the Community Development Department whether the lot has city water and sewer, and who handles septic if it does not3.
  3. Resolve any outstanding platting and zoning issues, because a building permit will not be issued until they are approved2.
  4. Apply for the building permit in the MyGovernmentOnline portal and pay the fee on the city's fee schedule1213.
  5. Wait for the permit before starting work, and schedule inspections through the city's electronic permit system4.
  6. Complete the required inspections, then get a certificate of occupancy before anyone moves in6.
  7. If the project touches a state highway right of way, apply to TxDOT for a driveway permit on Form 105818.

What stays with Montgomery County, and what to check before you buy

The county's own permit rules apply to unincorporated land; inside Shenandoah the city decides zoning and building permits12. Montgomery County itself has no land-use controls (zoning)19. For land outside city limits, read the county page at Montgomery County.

Driveways inside the city are separate from county culvert rules: where a driveway crosses public right-of-way and connects to a paved street, the city requires hard-surfaced paving20.

Before buying, also check flood status. Montgomery County's floodplain rules cover unincorporated areas, and we found no published floodplain-development rule for lots inside Shenandoah, so ask the city21. Montgomery County's effective property tax rate is 1.6%22.

Watch-outs

  • We could not confirm that Montgomery County Environmental Health permits septic systems inside Shenandoah city limits, so confirm with both offices15.
  • Shenandoah's adopted codes are minimum standards and a stricter standard in the city's Code of Ordinances may apply5.
  • We could not confirm Shenandoah's rules for short-term rentals, wells, or off-grid sanitation inside city limits; ask the Community Development Department3.

Sources

  1. Shenandoah, Texas Chapter 102, Zoning Regulations / Chapter 94, Subdivision Regulations (Shenandoah), quoted and re-checked
  2. Frequently Asked Questions — City of Shenandoah Public Works and Community Development Department (Shenandoah), quoted and re-checked
  3. City of Shenandoah Community Development Department (shenandoahtx.us)
  4. Community Development | Shenandoah, TX (Shenandoah), quoted and re-checked
  5. Community Development | Shenandoah, TX (Shenandoah), quoted and re-checked
  6. Frequently Asked Questions — City of Shenandoah Public Works and Community Development Department (Shenandoah), quoted and re-checked
  7. Shenandoah, Texas Chapter 102, Zoning Regulations / Chapter 94, Subdivision Regulations (Shenandoah), quoted and re-checked
  8. Montgomery County Environmental Health Services (On-Site Sewage Facilities) (mctx.org)
  9. Exemptions to Electrician Licensing (Texas statewide rule), quoted and re-checked
  10. Shenandoah, Texas Chapter 102, Zoning Regulations / Chapter 94, Subdivision Regulations (Shenandoah), quoted and re-checked
  11. Shenandoah, Texas Chapter 102, Zoning Regulations / Chapter 94, Subdivision Regulations (Shenandoah), quoted and re-checked
  12. Community Development | Shenandoah, TX (Shenandoah), quoted and re-checked
  13. Frequently Asked Questions — City of Shenandoah Public Works and Community Development Department (Shenandoah), quoted and re-checked
  14. Getting a Permit for an OSSF - Such as a Septic System (Texas statewide rule), quoted and re-checked
  15. How to Obtain a Septic Permit and On-Site Sewage Facility Fees, quoted and re-checked
  16. How to Obtain a Septic Permit and On-Site Sewage Facility Fees, quoted and re-checked
  17. Share of soils USDA rates "not limited" for a conventional septic drain field (SSURGO). A strict rating: the median county is about 6% and a tenth of counties are 0%, so a low figure means most lots need a site evaluation or an engineered system, not that septic is impossible. Cite it only with that caveat: Bolthole Index county data
  18. Section 4: Driveway Permits, Design, and Materials (Texas statewide rule), quoted and re-checked
  19. Montgomery County PY 2023 Consolidated Annual Performance and Evaluation Report, quoted and re-checked
  20. Shenandoah Integrated Development Code, Section 5.3.2 Parking and Driveways (Shenandoah), quoted and re-checked
  21. Montgomery County Flood Plain Management Regulations, quoted and re-checked
  22. Effective property tax rate: Bolthole Index county data

Written October 24, 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 Shenandoah

Shenandoah’s own rules

  • Building permitRequired

    New construction, remodeling, enlargement, and some repair work or alterations to structures inside Shenandoah.

    • Cosmetic projects such as new wallpaper, carpet, paint, cabinets, or trim work do not request a permit.
    • A permit must be issued before work begins.
    • A building permit will not be issued until outstanding platting and zoning issues are approved.
    “A permit is required when there is new construction to a building, remodeling or enlargement to a building as well as some repair work or alterations to an existing structure.”
  • Building code adoptedAdopted (with conditions)

    Construction regulated by Shenandoah inside city limits.

    • The city says its adopted codes are minimum standards and a stricter Code of Ordinances standard may apply.

    building code editions: 2021 International Building Code, International Residential Code, International Fire Code, International Mechanical Code, International Plumbing Code, International Swimming Pool and Spa Code, International Fuel Gas Code, and International Property Maintenance Code · energy code edition: 2021 International Energy Conservation Code · electrical code edition: 2023 National Electrical Code

    “The codes adopted by the City of Shenandoah serve as a minimum standard”
  • InspectionsRequired

    Permitted residential and commercial construction inside Shenandoah.

    • The city schedules inspections through its electronic permit system.
    • Required inspections must be completed before a certificate of occupancy documents that space is available for occupancy.
    “The department is responsible for issuing development permits and performing residential and commercial inspections for new construction or renovations to existing structures.”
  • Certificate of occupancyRequired

    All buildings or structures occupied or used inside Shenandoah, including a leased new space.

    • A partial or conditional certificate may be issued by the Building Inspector under certain conditions.
    “A Certificate of Occupancy or C.O. is required for all buildings or structures that are occupied or used.”
  • Local zoningPresent (with conditions)

    Land within Shenandoah city limits and land annexed by the city.

    • Each property's use and construction must conform to the regulations applicable to its zoning district, except as otherwise provided by the regulations.
    “These Regulations classify and regulate the use of land, buildings, and structures within the city limits of the City of Shenandoah, State of Texas, as hereinafter set forth.”
  • Zoning districtsPublished (with conditions)

    Zoning districts within Shenandoah city limits.

    • The official Zoning District Map is maintained by the Community Development Director.
    “The official Zoning District Map shall be maintained by the Community Development Director.”
  • Building heightDistrict specific (with conditions)

    Residentially zoned property inside Shenandoah; height varies by Table 3.2 district.

    • Table 3.2 identifies exceptions in Section 5.4.

    maximum building height examples: 45 feet; 40 feet; or two or three stories not exceeding 40 feet (Values depend on the Table 3.2 residential zoning district and Section 5.4 exceptions.)

    “Maximum Building Height (Exceptions listed in Section 5.4)”
  • Accessory dwellingsLimited

    Garage apartments or attached/unattached accessory dwellings on residential lots inside Shenandoah.

    • The garage apartment must be on the same lot as the main dwelling.
    • It may not exceed 50 percent of the main dwelling's size.
    • Only one main dwelling unit and garage apartment/accessory dwelling may be on a lot.
    • The applicable two-family-attached minimum lot size applies.

    accessory dwelling maximum size: <= 50 percent of main dwelling size · accessory dwellings per lot: <= 1 accessory dwelling (One main dwelling and one garage apartment/accessory dwelling.)

    “Garage apartments shall be located on the same lot as the main dwelling and shall not exceed fifty (50) percent of the size of the main dwelling”
  • Subdividing landRegulated (with conditions)

    Subdivision platting and development inside Shenandoah city limits.

    • The ordinance also extends to the city's extraterritorial jurisdiction; this claim is limited to the city-limits portion.
    “The provisions of these Regulations expressly extend to all areas inside the City limits and throughout the City's extraterritorial jurisdiction.”
  • Driveway accessRequired

    Access driveways within a public right-of-way connecting to paved streets whose grade has been established, inside Shenandoah.

    • The driveway must be permanently paved with hard-surfaced pavement and comply with Shenandoah driveway-construction code.
    “All portions of access driveways on public right-of-way connected to paved streets for which the grade has been established must be permanently paved with hard-surfaced pavement”
  • Permit feesPublished (with conditions)

    Building permits inside Shenandoah.

    • Permit cost varies according to permit type.
    “The cost of each permit will vary according to the type of permit. Please refer to the City of Shenandoah Permit Fee Schedule for further information.”
  • Permit processPublished (with conditions)

    Development and building permit applications inside Shenandoah.

    • Changes to city-reviewed construction plans require city review and written approval, a revised permit application, and revised construction valuation.
    • Permits must issue before the job begins.
    “The Community Development Department uses MyGovernmentOnline to intake, review, approve and process applications for development and building permits electronically.”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Shenandoah or Montgomery County directly.

  • Owner-builder exemption — Owner-built residential construction inside Shenandoah.
  • Lot coverage — Lots inside Shenandoah city limits.
  • Living in an RV — Residential occupancy of a recreational vehicle on private land inside Shenandoah city limits.
  • Camping on your land — Temporary camping on private land inside Shenandoah city limits.
  • Tiny homes — Tiny-home occupancy inside Shenandoah city limits.
10 more unanswered
  • Manufactured homes
  • Who permits septic
  • Septic permit
  • Septic inspection
  • Off-grid sanitation
  • Well permit
  • Mandatory utility hookup
  • Agricultural exemption
  • Building in a floodplain
  • 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 Shenandoah publishes no rule on the point, not that none exists. Montgomery County’s page lists the county offices to call.

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