Building permits, zoning and land rules in Comal County, Texas
43Index Score / 100 #175 of 254 in Texas
Unincorporated Comal County, Texas has no general building permit or countywide zoning ordinance12. Instead, specific permits apply: a Comal County Environmental Health OSSF permit for septic3, plus floodplain, driveway and fire-code permits when your project triggers them4. Soils are the catch: only 2.2% of Comal County's land lacks severe limitations for a conventional septic drain field, so test before you buy5.
At a glance
Building permit
Not required in unincorporated Comal County; only project-specific permits apply1
Zoning
No countywide zoning; New Braunfels and Bulverde zone within their city limits267
Septic
OSSF permits from Comal County Environmental Health38
RV / tiny home living
Not restricted by county zoning outside city limits9
Minimum lot size (platted OSSF subdivisions)
1.0 acre with approved public water, 5.01 acres without10
Floodplain permit
Required for new construction in the regulatory floodplain, $40 fee11
County fire code
Applies only to commercial, public and 4+ unit multifamily buildings in unincorporated areas12
OSSF (septic) permitting, plan review and inspection for Comal County, including unincorporated areas; Environmental Health operates as a department of the Engineer's Office at this address
Building permits and inspections for commercial establishments, public buildings, and multifamily residential dwellings of four or more units in unincorporated Comal County, under the county Fire Code
Contact details are copied from each office’s official page and were checked against it on September 24, 2026.
Do you need a building permit in Comal County, Texas?
Unincorporated Comal County has no general residential building permit or inspection requirement1. Texas gives counties no general zoning or building-code power the way it gives cities2, and Comal County's own Fire Code reaches only commercial establishments, public buildings, and multifamily residential dwellings with four or more units built in unincorporated areas, effective March 8, 2024 -- not an ordinary single-family home12. That doesn't mean unincorporated land is unregulated: septic, floodplain, driveway/right-of-way, and fire-code permits can still apply to a specific project depending on where it sits and what it involves4.
Who issues building permits and inspections in Comal County?
No general building or planning department exists for unincorporated Comal County1. The Comal County Fire Marshal's Permit Division issues the building permits and inspections that do apply -- for commercial buildings, public buildings and multifamily dwellings with four or more units -- from its office at 145 David Jonas Dr. in New Braunfels1312. Septic (OSSF) permits go through Comal County Environmental Health, which operates as a department of the Engineer's Office148. Floodplain development permits go through the Engineer's Office1511, and PIPROW (driveway) or utility permits in the county road right-of-way go through the Road Department1617.
Does Comal County have zoning?
Comal County itself has no countywide zoning ordinance29. That means unincorporated Comal County sets no minimum dwelling size, lot-coverage or building-height rule, and accessory dwellings, RVs, tiny homes, manufactured homes and temporary camping are unrestricted by county zoning9. Land inside city limits is different: the City of New Braunfels zones its own land, with zoning districts, special-use permits and variances6, and the City of Bulverde zones all buildings, structures, land and uses within its corporate limits7. Outside those cities, Comal County does set lot size and setbacks for platted OSSF subdivisions: at least 1.0 acre per lot with an approved public water supply, or 5.01 acres per lot without one, plus a 25-foot building setback from road frontage shown on the plat1018. Land used primarily for agriculture, ranching, wildlife management or timber production can be divided without platting under the state's constitutional farm-and-ranch definitions, still subject to those minimum lot sizes19.
How do septic permits work in Comal County?
OSSF (septic) systems in Comal County are permitted by Comal County Environmental Health148. Texas requires a permit and approved plans to construct, install, alter, extend or repair an OSSF20, and Comal County requires three inspections during installation, at least 24 hours' notice before each one, and a $150 reinspection fee if the system isn't ready when the county's representative arrives21. A single-family home on 10 acres or more can qualify for Texas's OSSF permit exemption if a licensed site evaluator confirms the site, the home is the only dwelling on the tract, every part of the system sits at least 100 feet from the property line, and effluent stays on the property20. Soils make this more than paperwork here: only 2.2% of Comal County's land lacks severe limitations for a conventional septic drain field, so budget for a site evaluation, and likely an alternative system, before you commit to a lot5.
Can you live in an RV or tiny home on your land in Comal County?
With no county zoning ordinance, RV and tiny home occupancy on unincorporated Comal County land is unrestricted by the county9. That protection stops at city limits: New Braunfels and Bulverde each zone their own land under their own ordinances, so the same parcel question can have a different answer inside those cities67. Wherever you are in the county, if your site is in the regulatory floodplain, new construction -- including a manufactured home -- needs a Flood Plain Development Permit and must have its lowest floor at or above the 100-year floodplain elevation11.
Building a home in Comal County: the steps, in order
Confirm whether your parcel is inside New Braunfels, Bulverde, or another city (their zoning applies) or truly unincorporated (county rules apply)67.
Check floodplain status and, if needed, apply for a Flood Plain Development Permit ($40 fee) with the Comal County Engineer's Office before you build1511.
Get a site and soil evaluation, then apply for your OSSF (septic) permit through Comal County Environmental Health1420.
If your driveway or utility work touches the county road right-of-way, get a PIPROW or utility permit from the Road Department first1617.
If you're building a commercial building, public building, or a multifamily dwelling with four or more units, get your plans and permit from the Fire Marshal's Permit Division before construction1312.
If your driveway will connect to a state highway instead of a county road, file TxDOT Form 1058 with the local district office before building it22.
If you're platting a subdivision, keep OSSF lots at 1.0 acre (with approved public water) or 5.01 acres (without), and show the 25-foot road-frontage setback on the plat1018.
What to check before you buy land in Comal County
Septic: only 2.2% of Comal County's land lacks severe limitations for a conventional septic drain field, so get a site evaluation before you commit, and note that a single-family home on 10 or more acres may qualify for Texas's OSSF permit exemption520. Terrain: 87% of the county sits at 15% slope or less and 54% is wooded, so buildable sites are common even where septic siting is hard2324. Flood: ask the Comal County Engineer's Office for a floodplain determination before you buy, since it drives both your permit needs and your insurance1511. City limits: confirm whether the parcel is inside New Braunfels or Bulverde, since both cities zone and unincorporated Comal County does not67. Taxes: Comal County's effective property tax rate runs about 1.2%, with a median annual bill around $4,8272526. Growth: the county averages 346.6 people per square mile and sits about 14 miles from the nearest metro area, among the faster-growing parts of the Texas Hill Country2728.
Watch-outs
No Comal County source establishes a general owner-builder exemption from any county permit; confirm directly with Comal County Environmental Health or the Fire Marshal's Permit Division before assuming one applies29.
New Braunfels and Bulverde zone their own city limits, so "no zoning in Comal County" does not describe land inside those cities67.
Texas separately allows some counties to adopt residential building-code standards for new single-family construction by resolution; the sources behind this page do not confirm whether Comal County has adopted that option, so confirm with the county directly30.
Written September 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.
Comal County highlighted among the Texas counties · colored by Index score
How Comal County scores
Seclusion19100% ev.
Self-Sufficiency4996% ev.
Admin Boringness8590% ev.
Durability27100% ev.
Property Autonomy71100% ev.
Carry Cost65100% ev.
Evidence strength: 97%. This reports direct-source completeness and fallback use; it is separate from the score and is not a confidence interval. How it works →
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Answers from the rulebook for Comal County
What the ordinances and state agencies actually say — one answer per question, each quoted from the official source and independently re-checked.
Comal County rules
Building code adoptedPartial
Comal County Fire Code requirements for public buildings, commercial establishments, and multifamily residential dwellings with four or more units in unincorporated Comal County.
The code applies to construction or substantial improvement beginning after the Fire Code's effective date.
The Fire Code was amended March 7, 2024 and became effective March 8, 2024.
The code consists of the Comal County Fire Code plus the International Fire Code 2024 Edition and its references, subject to the additions, insertions, deletions, and changes in Exhibit A.
A permit is required before the start of covered construction.
Fire safety relating to operation and use after construction is enforced independently by the County Fire Marshal.
The code may be amended at any time by the Commissioners Court.
“The Code shall apply to public buildings, commercial establishments, and multifamily residential dwellings with four or more units for which construction or substantial improvement, as defined in this Code, begins after the effective date of this Fire Code. This Code may be amended at any time by the Commissioners Court. This Code applies in unincorporated areas of Comal County, Texas, after the effective date of this Code.”
Zoning districts · by state lawNo county rule
Unincorporated Comal County: no county rule sets this, because Texas law gives zoning power only to certain counties, and Comal County has no zoning ordinance. The county legal census found no county zoning ordinance, citing comalcounty.gov.
Septic, floodplain, subdivision and health rules still apply; cities and towns set their own rules inside their limits.
Chapter 231 does not grant a general statewide county zoning power; authority is provided through geographically or subject-matter limited subchapters.
For Padre Island, the authority applies in Cameron or Willacy County outside a municipality and within two miles of a publicly owned park or recreational development, or within two miles of a beach, wharf, or bathhouse used by at least 500 persons annually.
“This subchapter applies to the areas of Padre Island located in Cameron or Willacy County and located: (1) outside a municipality but within two miles of a publicly owned park or recreational development; or (2) within two miles of a beach, wharf, or bathhouse used by at least 500 persons annually.”
Minimum dwelling size · by state lawNo county rule
Unincorporated Comal County: no county rule sets this, because Texas law gives zoning power only to certain counties, and Comal County has no zoning ordinance. The county legal census found no county zoning ordinance, citing comalcounty.gov.
Septic, floodplain, subdivision and health rules still apply; cities and towns set their own rules inside their limits.
Chapter 231 does not grant a general statewide county zoning power; authority is provided through geographically or subject-matter limited subchapters.
For Padre Island, the authority applies in Cameron or Willacy County outside a municipality and within two miles of a publicly owned park or recreational development, or within two miles of a beach, wharf, or bathhouse used by at least 500 persons annually.
“This subchapter applies to the areas of Padre Island located in Cameron or Willacy County and located: (1) outside a municipality but within two miles of a publicly owned park or recreational development; or (2) within two miles of a beach, wharf, or bathhouse used by at least 500 persons annually.”
Minimum lot sizeSpecified
Platted OSSF lot subdivisions in unincorporated Comal County
For subdivisions requiring platting where each lot is served by a TCEQ-approved public water supply and uses an individual OSSF, each lot must be at least 1.0 acre.
For subdivisions requiring platting where each lot is not served by a TCEQ-approved public water supply and uses an individual OSSF, each lot must be at least 5.01 acres.
The regulations also state that certain plat exemptions must still meet minimum lot-size requirements in the Comal County OSSF Order.
minimum lot area with TCEQ-approved public water supply and individual OSSF: >= 1 acre · minimum lot area without TCEQ-approved public water supply and with individual OSSF: >= 5.01 acres
“Subdivisions requiring platting, where each lot within the proposed subdivision will be served by a Texas Commission on Environmental Quality (TCEQ)-approved public water supply and will utilize individual on-site sewage facility methods for sewage disposal, shall provide for individual lots having surface areas of at least 1.0 acre. Subdivisions requiring platting, where each lot within the proposed subdivision will not be served by a TCEQ-approved public water supply and will utilize individual on-site sewage facility methods for wastewater treatment, shall provide for individual lots having surface areas of at least 5.01 acres.”
SetbacksSpecified
Lots shown on subdivision plats in unincorporated Comal County
The 25-foot building setback is shown adjacent to all road frontage on subdivision plats.
The rule is stated for subdivision plat dimensions and does not establish a general countywide setback for every development context.
minimum building setback from road frontage: >= 25 feet
“Dimensions of all lots with a 25' minimum building setback shown adjacent to all road frontage. If shown by note: “Comal County requires a minimum 25’ building set-back line from road frontage.””
Lot coverage · by state lawNo county rule
Unincorporated Comal County: no county rule sets this, because Texas law gives zoning power only to certain counties, and Comal County has no zoning ordinance. The county legal census found no county zoning ordinance, citing comalcounty.gov.
Septic, floodplain, subdivision and health rules still apply; cities and towns set their own rules inside their limits.
Chapter 231 does not grant a general statewide county zoning power; authority is provided through geographically or subject-matter limited subchapters.
For Padre Island, the authority applies in Cameron or Willacy County outside a municipality and within two miles of a publicly owned park or recreational development, or within two miles of a beach, wharf, or bathhouse used by at least 500 persons annually.
“This subchapter applies to the areas of Padre Island located in Cameron or Willacy County and located: (1) outside a municipality but within two miles of a publicly owned park or recreational development; or (2) within two miles of a beach, wharf, or bathhouse used by at least 500 persons annually.”
Building height · by state lawNo county rule
Unincorporated Comal County: no county rule sets this, because Texas law gives zoning power only to certain counties, and Comal County has no zoning ordinance. The county legal census found no county zoning ordinance, citing comalcounty.gov.
Septic, floodplain, subdivision and health rules still apply; cities and towns set their own rules inside their limits.
Chapter 231 does not grant a general statewide county zoning power; authority is provided through geographically or subject-matter limited subchapters.
For Padre Island, the authority applies in Cameron or Willacy County outside a municipality and within two miles of a publicly owned park or recreational development, or within two miles of a beach, wharf, or bathhouse used by at least 500 persons annually.
“This subchapter applies to the areas of Padre Island located in Cameron or Willacy County and located: (1) outside a municipality but within two miles of a publicly owned park or recreational development; or (2) within two miles of a beach, wharf, or bathhouse used by at least 500 persons annually.”
Living in an RV · by state lawNo county rule
Unincorporated Comal County: no county rule sets this, because Texas law gives zoning power only to certain counties, and Comal County has no zoning ordinance. The county legal census found no county zoning ordinance, citing comalcounty.gov.
Septic, floodplain, subdivision and health rules still apply; cities and towns set their own rules inside their limits.
Chapter 231 does not grant a general statewide county zoning power; authority is provided through geographically or subject-matter limited subchapters.
For Padre Island, the authority applies in Cameron or Willacy County outside a municipality and within two miles of a publicly owned park or recreational development, or within two miles of a beach, wharf, or bathhouse used by at least 500 persons annually.
“This subchapter applies to the areas of Padre Island located in Cameron or Willacy County and located: (1) outside a municipality but within two miles of a publicly owned park or recreational development; or (2) within two miles of a beach, wharf, or bathhouse used by at least 500 persons annually.”
Camping on your land · by state lawNo county rule
Unincorporated Comal County: no county rule sets this, because Texas law gives zoning power only to certain counties, and Comal County has no zoning ordinance. The county legal census found no county zoning ordinance, citing comalcounty.gov.
Septic, floodplain, subdivision and health rules still apply; cities and towns set their own rules inside their limits.
Chapter 231 does not grant a general statewide county zoning power; authority is provided through geographically or subject-matter limited subchapters.
For Padre Island, the authority applies in Cameron or Willacy County outside a municipality and within two miles of a publicly owned park or recreational development, or within two miles of a beach, wharf, or bathhouse used by at least 500 persons annually.
“This subchapter applies to the areas of Padre Island located in Cameron or Willacy County and located: (1) outside a municipality but within two miles of a publicly owned park or recreational development; or (2) within two miles of a beach, wharf, or bathhouse used by at least 500 persons annually.”
Tiny homes · by state lawNo county rule
Unincorporated Comal County: no county rule sets this, because Texas law gives zoning power only to certain counties, and Comal County has no zoning ordinance. The county legal census found no county zoning ordinance, citing comalcounty.gov.
Septic, floodplain, subdivision and health rules still apply; cities and towns set their own rules inside their limits.
Chapter 231 does not grant a general statewide county zoning power; authority is provided through geographically or subject-matter limited subchapters.
For Padre Island, the authority applies in Cameron or Willacy County outside a municipality and within two miles of a publicly owned park or recreational development, or within two miles of a beach, wharf, or bathhouse used by at least 500 persons annually.
“This subchapter applies to the areas of Padre Island located in Cameron or Willacy County and located: (1) outside a municipality but within two miles of a publicly owned park or recreational development; or (2) within two miles of a beach, wharf, or bathhouse used by at least 500 persons annually.”
Manufactured homes · by state lawNo county rule
Unincorporated Comal County: no county rule sets this, because Texas law gives zoning power only to certain counties, and Comal County has no zoning ordinance. The county legal census found no county zoning ordinance, citing comalcounty.gov.
Septic, floodplain, subdivision and health rules still apply; cities and towns set their own rules inside their limits.
Chapter 231 does not grant a general statewide county zoning power; authority is provided through geographically or subject-matter limited subchapters.
For Padre Island, the authority applies in Cameron or Willacy County outside a municipality and within two miles of a publicly owned park or recreational development, or within two miles of a beach, wharf, or bathhouse used by at least 500 persons annually.
“This subchapter applies to the areas of Padre Island located in Cameron or Willacy County and located: (1) outside a municipality but within two miles of a publicly owned park or recreational development; or (2) within two miles of a beach, wharf, or bathhouse used by at least 500 persons annually.”
Accessory dwellings · by state lawNo county rule
Unincorporated Comal County: no county rule sets this, because Texas law gives zoning power only to certain counties, and Comal County has no zoning ordinance. The county legal census found no county zoning ordinance, citing comalcounty.gov.
Septic, floodplain, subdivision and health rules still apply; cities and towns set their own rules inside their limits.
Chapter 231 does not grant a general statewide county zoning power; authority is provided through geographically or subject-matter limited subchapters.
For Padre Island, the authority applies in Cameron or Willacy County outside a municipality and within two miles of a publicly owned park or recreational development, or within two miles of a beach, wharf, or bathhouse used by at least 500 persons annually.
“This subchapter applies to the areas of Padre Island located in Cameron or Willacy County and located: (1) outside a municipality but within two miles of a publicly owned park or recreational development; or (2) within two miles of a beach, wharf, or bathhouse used by at least 500 persons annually.”
Who permits septicMixed
OSSF permitting and enforcement in Comal County, including unincorporated areas administered by Comal County Environmental Health.
TCEQ establishes minimum standards and oversees authorized local administration.
Local authorities may adopt more stringent rules if approved by TCEQ.
“The department is charged with the issuing of OSSF permits, as well as the enforcement of county and state laws and regulations relating to Environmental Health.”
Septic inspectionRequired
OSSF construction, alteration, or repair in Comal County.
Inspections are required at appropriate construction stages according to the system type.
Inspections must be scheduled in advance under local policies.
The County must be notified at least 24 hours before an inspection.
The requirements also apply to OSSFs needing alteration or repair.
A $150 reinspection fee applies if the system fails or is not ready when the designated representative arrives.
A Permit of License to Operate is required before the facility is put into use.
required inspections: 3 inspections (During system installation.) · advance inspection notice: >= 24 hours · reinspection fee: 150 USD (If the system fails or is not ready for inspection.)
“Three inspections are required as the system is installed. This office must be notified as least one day (24 hours) before an inspection is needed. If the system fails or is not ready to be inspected when the designated representative arrives, the installer is responsible for a $150.00 reinspection fee.”
Agricultural exemptionAvailable (with conditions)
Subdivision plat requirement for an unplatted tract outside municipal limits in Comal County used primarily for qualifying agricultural, farm, ranch, wildlife-management, or timber-production purposes
The land must be used primarily for agricultural use as defined by Section 1-d, Article VIII, Texas Constitution, or for farm, ranch, wildlife-management, or timber-production use within Section 1-d-1, Article VIII, Texas Constitution.
The owner must not lay out a part of the tract described in section E.1.c., concerning specified public-use or purchaser/owner-use areas.
If the tract ceases to be used primarily for the qualifying agricultural, farm, ranch, wildlife-management, or timber-production use, platting requirements apply.
The division must still meet the minimum lot-size requirements in the Comal County OSSF Order.
“The County shall not require the owner of an unplatted tract of land located outside the limits of a municipality who divides the tract into two or more parts to have a plat of the subdivision prepared if: a. the land is to be used primarily for agricultural use, as defined by Section 1-d, Article VIII, Texas Constitution, or for farm, ranch, wildlife management, or timber production use within the meaning of Section 1-d-1, Article VIII, Texas Constitution; and b. the owner does not lay out a part of the tract described above by E.1.c.; and c. if the tract described ceases to be used primarily for agricultural use or for farm, ranch, wildlife management, or timber productions use, the platting requirements apply.”
Driveway accessLimited
Driveway installation, modification, landscaping, or other work located within a public right-of-way in unincorporated Comal County.
A PIPROW permit is required in advance when the work takes place within the public right-of-way.
The work must comply with county requirements addressing right-of-way safety, drainage, and damage to the county road.
The driveway must comply with the Driveway Detail Standard.
A final inspection is required before the PIPROW permit is typically issued.
PIPROW application fee: 25 USD
“A driveway installation, modification or any other type of work, i.e. landscaping, that takes place within the public right-of-way requires a permit in advance.”
Building in a floodplainRequired
All new construction and improvements to substantially damaged structures within a special flood hazard area, including homes or manufactured homes in the 100-year floodplain, in unincorporated Comal County.
A completed permit application, scaled drawing showing property lines and existing and proposed structures, and recorded proof of ownership are required.
The application fee is $40, payable by check to Comal County Treasurer.
The county determines whether the structure is within the special flood hazard area after receiving the required information.
If the property is within the special hazard area, the owner must comply with the Comal County Flood Damage Prevention Order.
For construction in the 100-year floodplain, building plans must show compliance with floodplain regulations and other county standards.
Allowed construction must have the lowest floor at or above the 100-year floodplain elevation.
Construction that does not comply with all standards is prohibited.
If an addition and remodeling exceed 50% of the existing structure's value, the existing structure must be elevated one foot above the 100-year floodplain or flood-proofed according to county standards.
Floodplain permit application fee: 40 USD · Remodel/addition substantial-improvement threshold: > 50 percent of existing home or business value (The existing structure must be elevated one foot above the 100-year floodplain or flood-proofed according to county standards.)
“all new construction and improvements to substantially damaged structures must apply for a Flood Plain Development Permit with the Comal County Engineer's Office.”
Permit processPublished (with conditions)
County-administered permitting for development and construction in unincorporated Comal County.
The county page says permits may be required depending on permit type and circumstances.
Other requirements may be imposed by property owners associations, municipalities, utility companies, and state or federal governments.
Applications may be submitted in person or through the online portal.
Floodplain determinations include review of compliance with Comal County Subdivision Regulations.
“In addition to visiting our office to apply for permits, we now offer an online application portal where you can submit the required information and fees.”
Building permitNot required
Unincorporated Comal County requires no general/structural building permit; only specific permits may apply (OSSF, floodplain development, driveway/right-of-way, utility, fire marshal, dark-skies). Incorporated cities like New Braunfels have their own permitting.
Texas counties lack general zoning authority; Comal County's permit guidance lists no zoning and regulates land use only through OSSF, floodplain, subdivision and right-of-way rules.
Construction, installation, alteration, extension, or repair of an OSSF in Texas
A permit and approved plan are required to construct, alter, repair, extend, and operate an OSSF.
A 10-acre exemption may apply only if all listed conditions are met: site evaluation by a TCEQ-licensed site evaluator or professional engineer; single-family dwelling on at least 10 acres; no nuisance or groundwater pollution; all OSSF parts at least 100 feet from the property line; effluent disposed of on the property; and the single-family dwelling is the only dwelling on the tract.
Emergency repairs listed by TCEQ do not require a permit but must be reported in writing to the permitting authority within 72 hours after repairs begin.
Grandfathered systems may also be exempt if the stated conditions are met.
minimum tract size for 10-acre exemption: >= 10 acres (single-family dwelling and all other TCEQ conditions must be met) · minimum OSSF distance from property line for 10-acre exemption: >= 100 feet (all parts of the OSSF) · emergency repair reporting deadline: <= 72 hours (after repairs have begun; written report to permitting authority)
“A permit is required to construct, install, alter, extend, or repair an OSSF. [...] An OSSF may be exempt from permitting if it complies with all other requirements, including planning, construction, and installation standards of 30 TAC 285 AND meets the “10 acre rule”:”
county zoning authorityLimited
Texas counties adopting zoning regulations for specified unincorporated or otherwise specially defined areas.
Chapter 231 does not grant a general statewide county zoning power; authority is provided through geographically or subject-matter limited subchapters.
For Padre Island, the authority applies in Cameron or Willacy County outside a municipality and within two miles of a publicly owned park or recreational development, or within two miles of a beach, wharf, or bathhouse used by at least 500 persons annually.
Other Chapter 231 subchapters address special areas including the Amistad Recreation Area in Val Verde County, military zones, certain lakes, the El Paso Mission Trail Historical Area, Lake Somerville, and Falcon Lake in Zapata County.
The cited statute was enacted effective September 1, 1987; the Falcon Lake subchapter was added effective June 15, 2007, and amended effective September 1, 2009.
Padre Island distance from publicly owned park or recreational development: <= 2 miles (Area must be outside a municipality and in Cameron or Willacy County.) · Padre Island distance from beach, wharf, or bathhouse: <= 2 miles (The beach, wharf, or bathhouse must be used by at least 500 persons annually.)
“This subchapter applies to the areas of Padre Island located in Cameron or Willacy County and located: (1) outside a municipality but within two miles of a publicly owned park or recreational development; or (2) within two miles of a beach, wharf, or bathhouse used by at least 500 persons annually.”
county building authorityLimited
Texas counties adopting and enforcing fire-code building permits for specified buildings in unincorporated areas and applying residential building-code standards in certain counties.
Under Section 233.061, the county must have a population over 250,000 or be adjacent to a county with a population over 250,000.
Under Section 233.062, the fire code applies only to commercial establishments, public buildings, and multifamily residential dwellings consisting of four or more units constructed in an unincorporated area.
The fire code does not apply to an industrial facility having a fire brigade that conforms to Occupational Health and Safety Administration requirements.
A covered applicant must submit a plan and a commissioners-court-set application fee; the county must issue or deny the permit within 30 days, and failure to act within 30 days approves the construction for purposes of the subchapter.
The fire code must conform to the International Fire Code or Uniform Fire Code as those codes existed on May 1, 2005, or establish protective measures exceeding those standards; later editions may be adopted.
Residential standards under Section 233.152 apply only if the county adopts a resolution or order and the county is within 50 miles of an international border or has a population over 100.
Those residential standards apply only to new single-family-house or duplex construction beginning after September 1, 2009; manufactured or modular structures governed by Occupations Code Chapters 1201 or 1202 are excluded from the definition of new residential construction.
A municipality's building code controls in its extraterritorial jurisdiction, and Section 233.152 does not authorize county prior approval of new residential construction or county zoning regulations.
Fire-code inspection and permit fees may be charged under a fee schedule based on building type, limited to amounts necessary to administer and enforce the subchapter; inspection fees must be reasonable and reflect approximate inspection costs.
county population threshold for fire-code authority: > 250000 persons (A county adjacent to a county over 250,000 also qualifies.) · multifamily residential dwelling threshold: >= 4 units (The fire code applies only to covered buildings constructed in an unincorporated area.) · residential-code border distance: <= 50 miles (Alternative qualification is county population over 100.) · application decision period: 30 days (If the commissioners court does not issue or deny the permit within 30 days after receiving the application and fee, construction is approved for purposes of the subchapter.) · residential standards effective construction date: > 2009-09-01 (Applies only to new residential construction that begins after September 1, 2009.)
“The commissioners court of a county with a population of over 250,000 or a county adjacent to a county with a population of over 250,000 may adopt a fire code and rules necessary to administer and enforce the fire code. [...] The fire code applies only to the following buildings constructed in an unincorporated area of the county: (1) a commercial establishment; (2) a public building; and (3) a multifamily residential dwelling consisting of four or more units.”
Inside cities and towns in Comal County
Municipal rules found while researching the county. They apply inside that city or town, not to unincorporated land.
Local zoningPresent (with conditions)
Zoning within the City of Bulverde, Texas.
Land, buildings, structures, or appurtenances within the City of Bulverde must conform to the zoning regulations for the applicable zoning district, except as otherwise provided by the ordinance.
The ordinance is administered, interpreted, and enforced by the city manager or designee.
Special-use permits, variances, nonconforming-use provisions, and other ordinance exceptions may apply.
“The regulations of this ordinance apply to all buildings, structures, land and uses within the corporate limits of the City of Bulverde.”
One more reviewed finding on this topic
Present (with conditions) — Zoning within the City of New Braunfels, including zoning districts, zoning regulations, special-use permits, and variances.
“The purpose of zoning land in the City of New Braunfels is to promote the health, safety, and general welfare of the public. Zoning districts and regulations are established to maintain land use compatibility, provide fire separation, prevent overcrowding of land, ensure adequate light and air, as well as guarantee sufficient transportation, utilities, parks and other public facilities to accommodate growth.”
Still unanswered
We looked and could not find an official answer yet. Silence is not permission — ask the county directly.
Owner-builder exemption — An owner-builder exemption from Comal County building permits, inspections, or fire-code requirements in unincorporated Comal County.
Mandatory utility hookup — Connection of a parcel or dwelling to public water or sewer utilities in Comal County.
Short-term rentals — Short-term rental use in Comal County, including unincorporated areas.
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.
Water rights & wells in Comal County
Whether a new home can legally get its own water here — the sub-state groundwater regime, from Texas’s water agency.
Actively managed
This basin is under active state management — new water use is scrutinized, though a domestic well is usually still allowed.
Household wellExempt up to a limit
Texas groundwater is governed by the rule of capture; a Groundwater Conservation District must exempt qualifying domestic/livestock wells and may not restrict their production, but well registration and spacing rules can still apply and the exemption does not cover wells serving a platted subdivision.
Limit: Domestic/livestock well exempt from GCD production permitting if on a tract >10 acres AND incapable of producing >25,000 gal/day (Tex. Water Code §36.117)
Hybrid state (appropriation + riparian). Groundwater rules change and basin boundaries follow the aquifer, not the county line — confirm current well and appropriation rules with the Texas state water agency before you buy or drill.Groundwater governance as of Jul 2026, cited to each administering agency.
Living off-grid in Comal County, Texas
Is Comal County a good place to live off-grid or homestead?
Comal County scores 43/100 on the Bolthole Index, a marginal county profile. Its strengths: low administrative friction for a quiet rural property and a stronger property-autonomy legal backdrop. Watch-outs: about 151,172 people within a 30-minute drive and elevated mid-century heat, water, rain, or wildfire exposure.
Do you need a building permit in Comal County, Texas?
Comal County does not require a county building permit for a home in unincorporated areas, and it has no county-wide zoning. Onsite septic is permitted by Comal County Environmental Health / Engineer's Office (TCEQ authorized agent). 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.
Can you live in an RV or tiny home on your land in Comal County?
Living in an RV on your own land in Comal County is allowed: Unincorporated Comal County: no county rule sets this, because Texas law gives zoning power only to certain counties, and Comal County has no zoning ordinance. The county legal census found no county zoning ordinance, citing comalcounty.gov. Septic, floodplain, subdivision and health rules still apply; cities and towns set their own rules inside their limits. Chapter 231 does not grant a general statewide county zoning power; authority is provided through geographically or subject-matter limited subchapters. A tiny home is allowed. Confirm with the county before relying on it.
How much does land cost in Comal County, Texas?
Land in Comal County runs about $5,507 per acre, based on the latest county data.
What is the water situation in Comal County?
Comal County gets about 34.4" of rain a year, with severe drought in roughly 33.2% of years. On water rights, Comal County lies in the Hill Country Priority Groundwater Management Area — TCEQ PGMA identifying existing or anticipated critical groundwater problems; drives GCD coverage and heightened management. Domestic/livestock wells remain exempt from GCD permits but spacing/registration may apply..
How remote is Comal County?
A representative private-land location has about 151,172 people within a 30-minute drive and 6,157,508 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 Comal County means bringing your own water and power. The kit we’d start with:
