Bolthole Index

Aransas County, Texas

Zoning, building permits and septic rules in Rockport, Texas

Rockport, Texas has its own zoning ordinance, with residential and business districts, and its own Building & Development Department for building permits12. Septic permits in Aransas County are issued by the county's Environmental Health Department, not the city3. Outside city limits, unincorporated Aransas County has no zoning, so the city's rules do not follow you to rural land4.

At a glance

Zoning
Yes: Rockport zoning ordinance (Chapter 118) with residential, business and industrial districts15
Building permits
Issued by the City of Rockport Building & Development Department2
Septic permits
Aransas County Environmental Health is the county permitting office; inside city limits, confirm with the city and county3
RV living
Guest-owned RVs limited to 14 days at one location, then a 14-day vacancy6
Manufactured homes
Allowed in the R-2M district; mobile homes prohibited there unless pre-existing7

Who to call

Building permits

City of Rockport Building & Development Department

Building permits, plan review and planning for land inside Rockport city limits

361-790-1125

permits@cityofrockport.com

2751 SH 35 Bypass Rockport, TX 78382

Building permits

City of Rockport building inspection line

Permit applications and inspection requests inside Rockport city limits

361-790-1177

2751 SH 35 Bypass Rockport, TX 78382

Septic permits

Aransas County Environmental Health Department

On-site sewage facility (septic) permits in Aransas County

Contact details are copied from each office’s official page and were checked against it on October 14, 2026.

Off-grid gear

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

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Does Rockport, Texas have zoning, and what does it mean for RVs and manufactured homes?

Yes. The City of Rockport adopted a zoning ordinance, Chapter 118 of its code, which applies to land inside Rockport city limits1. The city is divided into single-family, duplex, multi-family, hotel/motel, office, business, light and heavy industrial and planned-unit-development districts5.

RVs: in Rockport, guests of a property owner may occupy an RV they own for 14 days at one location, after which a 14-day vacancy is required before an RV can be placed there again6. RV parks need a conditional-use permit, and unattended units in hurricane season must be tied down6. Living in an RV full time on a lot inside Rockport is not something this rule allows.

Manufactured homes: HUD-code manufactured housing is allowed in Rockport's R-2M district, while mobile homes as the code defines them are prohibited there unless they existed before annexation7. We did not find a tiny-home or camping rule for Rockport, so ask the Building & Development Department2.

What are Rockport's lot size, height and setback rules?

Dimensional rules in Rockport differ by district, and we confirmed only part of the table. In the R-2B zero lot line single-family district, a lot must be at least 5,000 square feet and 50 feet wide8. A dwelling there must have at least 600 square feet of living area9, and no building may exceed 35 feet in height10.

Channelized waterfront lots in all of Rockport's residential districts must keep a setback of 12 feet from the water side of the bulkhead, or 20 feet from the water's edge at mean high tide where there is no bulkhead11. Yard setbacks and lot sizes for the other districts are in the ordinance's district table, which we have not confirmed; ask the Building & Development Department for the district your parcel sits in2.

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

Building permits for land inside Rockport come from the City of Rockport Building & Development Department, not from Aransas County2. The city's permits page says permits must be applied for in person or through its online portal, and inspections are requested through the city's 24-hour inspection line12.

Some uses in Rockport carry special conditions, and the city will not issue a building permit or certificate of occupancy for them until those conditions are met13. We could not confirm which building code the city enforces, its current fee schedule or whether owner-builders are treated differently; the Building & Development Department can answer all three2.

How do septic permits work in Rockport, Texas?

Septic permits in Aransas County are issued by the Aransas County Environmental Health Department, which requires a permit before an on-site sewage system is built, modified or repaired3. Texas law requires an OSSF permit statewide, with a narrow 10-acre exemption that a city lot cannot meet14.

The county lists $400 for a new residential installation permit15. We could not confirm whether the county or the city handles septic questions for lots inside Rockport that are on city sewer; call the Aransas County Environmental Health Department before you buy16. Aransas County soils matter too: only about 13% of county soils are rated not limited for a conventional drain field, so expect a site evaluation or an engineered system on a lot without city sewer17.

Building a home in Rockport: the steps, in order

  1. Ask the Building & Development Department which zoning district your lot is in and what that district allows2.
  2. Check whether the lot is on city sewer; if it is not, contact Aransas County Environmental Health about a septic permit3.
  3. Apply for building permits in person or through the city's online portal12.
  4. Request inspections through the city's 24-hour inspection line as work proceeds12.
  5. For a driveway that meets a state highway, apply to TxDOT with Form 105818.
  6. Owners who do their own electrical work on a home they live in are exempt from state electrician licensing, but that does not exempt the work from local permits19.

What stays with Aransas County, and what to check before you buy in Rockport

Land outside Rockport city limits falls under Aransas County, where the county has no zoning of its own and its floodplain permit applies only to unincorporated areas420. Aransas County's unincorporated floodplain order does not answer flood questions inside the city, and we could not confirm Rockport's own flood rules; ask the Building & Development Department2.

Aransas County's effective property tax rate is about 1%, and the median property tax bill is about $2,401 a year2122. Typical home insurance runs about $1,812 a year in the county23; coastal wind and flood coverage is worth pricing before you make an offer.

Watch-outs

  • Rockport's RV rule limits guests to 14 days at one location, so full-time RV living on a lot inside the city is not what the ordinance describes6.
  • Unattended RVs in Rockport must be tied down during hurricane season6.
  • Rockport's zoning rules end at city limits; unincorporated Aransas County has no county zoning, so confirm which side of the line a parcel is on4.
  • We could not confirm Rockport's building code edition, permit fee schedule, flood rules, tiny-home rule or who permits septic systems inside city limits; ask the Building & Development Department and Aransas County Environmental Health216.

Sources

  1. City of Rockport, TX Code of Ordinances, Ch. 118 Zoning, Art. I Zoning Ordinance (eCode360) (Rockport), quoted and re-checked
  2. City of Rockport Building & Development Department (rockporttx.gov)
  3. aransascounty.org, quoted and re-checked
  4. Texas law on county zoning and building authority
  5. City of Rockport, TX Code of Ordinances, Ch. 118 Zoning, Art. I Zoning Ordinance (eCode360) (Rockport), quoted and re-checked
  6. City of Rockport, TX Code of Ordinances, Ch. 118 Zoning, Art. I Zoning Ordinance (eCode360) (Rockport), quoted and re-checked
  7. City of Rockport, TX Code of Ordinances, Ch. 118 Zoning, Art. I Zoning Ordinance (eCode360) (Rockport), quoted and re-checked
  8. City of Rockport, TX Code of Ordinances, Ch. 118 Zoning, Art. I Zoning Ordinance (eCode360) (Rockport), quoted and re-checked
  9. City of Rockport, TX Code of Ordinances, Ch. 118 Zoning, Art. I Zoning Ordinance (eCode360) (Rockport), quoted and re-checked
  10. City of Rockport, TX Code of Ordinances, Ch. 118 Zoning, Art. I Zoning Ordinance (eCode360) (Rockport), quoted and re-checked
  11. City of Rockport, TX Code of Ordinances, Ch. 118 Zoning, Art. I Zoning Ordinance (eCode360) (Rockport), quoted and re-checked
  12. City of Rockport building inspection line (rockporttx.gov)
  13. City of Rockport, TX Code of Ordinances, Ch. 118 Zoning, Art. I Zoning Ordinance (eCode360) (Rockport), quoted and re-checked
  14. Getting a Permit for an OSSF - Such as a Septic System (Texas statewide rule), quoted and re-checked
  15. Aransas County Environmental Health Fees 2026, quoted and re-checked
  16. Aransas County Environmental Health Department (aransascounty.org)
  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. Exemptions to Electrician Licensing (Texas statewide rule), quoted and re-checked
  20. Aransas County Floodplain Management & Watershed Protection Order O-23-2019, quoted and re-checked
  21. Effective property tax rate: Bolthole Index county data
  22. Median property tax bill: Bolthole Index county data
  23. Typical home insurance premium: Bolthole Index county data

Written October 14, 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 Rockport

Rockport’s own rules

  • Certificate of occupancyRequired

    Uses with special conditions inside Rockport city

    • Not issued until special conditions in § 118-24 are met.
    “a building permit or certificate of occupancy shall not be issued for any permitted use with "special conditions" until all of the required conditions have been met.”
  • Local zoningPresent

    Land inside Rockport city limits

    • Ordinance 1027 adopted April 9, 1996; amended later (e.g., Ord. 1615 of 9-24-13, Ord. 1876 of 6-14-22).
    “this ordinance shall be known as the rockport zoning ordinance.”
  • Zoning districtsPublished

    Rockport city zoning districts

    • Districts include R-1, R-2, R-2B, R-2M, R-3 to R-7, B-1, B-2, I-1, I-2 and PUD.
    “the city is hereby divided into the following districts: r-1 1st single-family dwelling district r-2 2nd single-family dwelling district r-2b zero lot line single-family district r-2m manufactured housing district r-3 duplex dwelling district r-4 1st multi-family dwelling district r-5 2nd multi-family dwelling district r-6 hotel/motel district r-7 residential and office district b-1 general business district b-2 central business district i-1 light industrial district i-2 heavy industrial district p.u.d. planned unit development district”
  • Minimum dwelling sizeSpecified

    Dwelling in the single-family district whose section (ending Ord. 1027 art. 8, § 118-8 R-2B zero lot line) states 600 sq ft; other districts see Table 20

    • Other districts' values are in Table 20, not retrieved.

    minimum living area: >= 600 sq ft

    “3. area of the dwelling. the minimum living area of the dwelling shall be six hundred (600) square feet. see [section 118-20] table 20.”
  • Minimum lot sizeSpecified

    R-2B zero lot line single-family district (§ 118-8) inside Rockport city

    • Width minimum 50 ft; other districts in Table 20 not retrieved.
    • Submerged land does not count toward minimums.

    minimum lot area: >= 5000 sq ft · minimum lot width: >= 50 ft

    “1. area of the lot. the minimum area of the lot shall be five thousand (5,000) square feet. see article 20 [section 118-20].”
  • SetbacksDistrict specific (with conditions)

    Channelized waterfront lots in all R-districts inside Rockport city; other yards per Table 20

    • 20 ft from water's edge if no bulkhead.
    • Table 20 yard values not retrieved.

    waterfront setback from bulkhead: >= 12 ft (20 ft from water's edge if no bulkhead)

    “20.2.1a waterfront building lines. channelized lots in all r-districts where such are contiguous to or extend into developed or existing bays or waterways shall provide a minimum set-back of twelve (12) feet from the water side of the bulkhead. if no bulkhead, then a minimum set-back of 20 feet from the water's edge measured at mean high tide.”
  • Building heightSpecified

    R-2B district (§ 118-8) inside Rockport city

    • See § 118-20 and definitions for measurement; other districts in Table 20.

    maximum height: <= 35 ft

    “section 3. height of the building. no building shall exceed thirty five (35) feet in height. see article 3 [section 118-3] definitions and article 20 [section 118-20].”
  • Living in an RVTemporary only (with conditions)

    RVs on private property in any zoning district inside Rockport city

    • Guest occupancy of an RV owned by guests is limited to 14 days at one location, followed by a 14 day vacancy.
    • RV parks require a conditional-use permit.
    • Unattended units in hurricane season must be tied down.

    guest occupancy limit: <= 14 days (14 day vacancy required before re-placement)

    “guests of a property owner may occupy an rv unit if said unit is owned by guests of the property owner with the restriction that a limit of 14 days at one location will be permitted, after which a 14 day vacancy is required before an rv unit can be placed on a previously occupied location.”
  • Manufactured homesAllowed (with conditions)

    HUD-code manufactured housing in the R-2M district inside Rockport city

    • Allowed in R-2M district; manufactured housing parks need conditions in § 118-24.
    • Mobile homes (as defined) are prohibited in R-2M unless existing before annexation.
    “the purpose of this district is to provide residential zoning for both hud-code manufactured housing and site built homes while providing the same environment found in the 2nd single-family dwelling district.”

Still unanswered

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

  • Owner-builder exemption — Owner-builder inside Rockport city
  • Building code adopted — Building code inside Rockport city
  • Inspections — Inspections inside Rockport city
  • Lot coverage — Lot coverage inside Rockport city
  • Camping on your land — Camping inside Rockport city
15 more unanswered
  • Tiny homes
  • Accessory dwellings
  • Who permits septic
  • Septic permit
  • Septic inspection
  • Off-grid sanitation
  • Well permit
  • Mandatory utility hookup
  • Agricultural exemption
  • Subdividing land
  • Driveway access
  • Building in a floodplain
  • Short-term rentals
  • Permit fees
  • Permit process

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

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