Building Codes and Insurance Repairs in San Marcos, TX

When a hailstorm or windstorm damages a home in San Marcos, the repair has to meet the building codes in force today, not the codes that were in place when the house was built. That gap between "put it back the way it was" and "build it the way the code now requires" is one of the most common sources of disagreement on property claims. This guide explains how San Marcos building codes and insurance repairs fit together: which codes the city enforces, when a reroof needs a permit, what ordinance or law coverage does, and how to document code items so they are not quietly left off an estimate.

It is written for homeowners and business owners in San Marcos, Hays County and nearby Central Texas communities. It is general information, not legal advice, and every claim depends on the policy language and the facts of the loss.

Which building codes San Marcos enforces

The City of San Marcos adopted the 2021 editions of the International Codes, along with the 2020 National Electrical Code, through Ordinance 2023-09. According to the city’s Codes & Ordinances page, these codes have been in effect since April 1, 2023. As of this writing, the city website still lists the 2021 editions as current.

The city also adopted a swimming pool and spa code and several local amendments. Two of those amendments come up often on claims: the reroof permit rule described below, and a requirement that all foundations be designed by a licensed engineer.

The San Marcos reroof permit rule

Many Texas cities require a permit for every roof replacement. San Marcos took a different approach. In its amendments to both the IRC and the IBC, the city says that roof covering replacement permits are not required unless the weight of the replacement roof is heavier than the existing roof covering.

In practice, that means a like-for-like composition shingle replacement on a house in a San Marcos subdivision often will not need a permit. Moving to a heavier covering, such as from shingles to concrete or clay tile, may. If you are not sure, the city publishes a Permit Requirement Determination Form that lists re-roofing as an example of work it can rule on, or you can contact the Permit Center directly.

No permit does not mean no code

This is the point that trips people up. The model codes generally say that an exemption from a permit does not authorize work that violates the code. A reroof that needs no permit is still expected to be installed the way the adopted IRC or IBC and the manufacturer’s instructions require. When a contractor bids the job properly, those requirements show up as line items. When an insurance estimate leaves them out, the gap shows up as an underpayment.

Permits outside the San Marcos city limits

The San Marcos rules apply inside the city. Properties nearby may be under a completely different authority:

• Other cities. Kyle, Buda, Wimberley, Dripping Springs, New Braunfels, Lockhart and Seguin each have their own permit offices. They may have adopted different code editions or their own amendments, including different reroof permit rules. Check with the city that covers your address before assuming the San Marcos rule applies.
• The San Marcos ETJ. The city’s ordinance requires a building permit for projects in the extraterritorial jurisdiction that receive City water, wastewater or electric service.
• Unincorporated Hays County. Hays County does not issue residential building permits or enforce a residential building code in unincorporated areas. It does handle septic (OSSF), development and floodplain permits, and it applies the 2018 International Fire Code to commercial and multifamily construction. See Hays County Development Permits.

Our local building codes page collects these resources in one place, and the service areas pages note the permit office for each community we serve.

Ordinance or law coverage: who pays for code upgrades

Here is the key insurance point: a code requirement does not automatically mean the insurer pays for it. A standard property policy pays to repair or replace covered damage. Many policies exclude, or limit, the extra cost of complying with an ordinance or law. That extra cost is usually covered by ordinance or law coverage, which pays, up to its limit, for increased costs to comply with building codes when repairing covered damage.

Ordinance or law coverage is often a separate, limited coverage or endorsement. On many residential policies it is expressed as a percentage of the dwelling limit. Some commercial policies split it into parts, such as the value of undamaged portions that must be torn down, the cost to demolish them, and the increased cost of construction. Some policies do not include it at all.

Many policies pay ordinance or law benefits only after the work is actually done, and some apply them on a replacement cost basis only when repairs are completed. Read the endorsement, and see our guide to replacement cost vs. actual cash value in Texas for how holdbacks work.

Common code-driven line items on insurance repairs

Code items vary by building type, roof covering, the code edition your city adopted, and the manufacturer’s installation instructions. Below are items that frequently come up on San Marcos-area claims. Whether any of them apply to your property is a question for your contractor and the local building official.

Roofing

• Drip edge. The IRC requires drip edge at the eaves and rake edges of asphalt shingle roofs. Some older roofs were built without it, so it may be missing from both the old roof and the insurer’s estimate.
• Underlayment. The adopted IRC requires underlayment under roof coverings, installed to code and manufacturer specifications. Watch for estimates that price only a thin felt where the system or manufacturer calls for something different.
• Tear-off versus overlay. The IRC generally does not allow a new roof covering to be installed over two or more existing layers. If the house already has two layers, a full tear-off may be required.
• Flashing. Step flashing, counterflashing and valley flashing must be installed to code and manufacturer requirements. Reusing old, damaged flashing may not meet them.
• Roof ventilation. Replacing vents or changing the roof can bring attic ventilation requirements into play.
• Decking. Damaged, deteriorated or improperly spaced decking may need replacement before a new covering can go on.

You may notice that ice barrier is not on this list. The IRC ties ice barrier requirements to areas with a history of ice forming at the eaves, which is not typical in San Marcos. If an estimate or bid includes it, ask why.

Other trades

• Electrical. Rewiring after a fire or water loss can trigger current NEC requirements, such as circuit protection.
• Insulation and windows. Replaced assemblies may need to meet the IECC.
• Mechanical and plumbing. Replacing a water heater or HVAC equipment after a freeze or fire can bring updated venting, clearance or connection requirements.
• Foundations. In San Marcos, all foundations must be designed by a licensed engineer under the local amendment. That can matter on major fire or flood rebuilds.
• Commercial properties. Fire code, accessibility and structural requirements can be significant. Our commercial property claims page covers those losses.

How to document code items on your claim

Insurers tend to pay for code items when they can see exactly what is required, why it applies, and what it costs. A vague note that says "code upgrades needed" rarely gets far. Here is a practical approach:

1. Get the policy and endorsements. Find out whether you have ordinance or law coverage, the limit, and any conditions such as completing repairs first.
2. Identify the authority. Confirm which city or county has jurisdiction and which code edition it enforces. For San Marcos, cite the 2021 codes and the city’s Codes & Ordinances page.
3. Name the requirement. Note the code section or the manufacturer instruction behind each item. Your contractor or the building official can help you identify it.
4. Photograph existing conditions. Show what is there now: missing drip edge, two existing layers, deteriorated decking, undersized vents. Photos taken during tear-off are especially useful.
5. Measure and price it. Each item should appear as its own line with a quantity and unit price, not buried in a lump sum.
6. Keep the paperwork. If a permit is required, keep the permit, inspection results and any written correction notices from the building official.
7. Submit in writing. Send code items to the adjuster as a written supplement request with the supporting documents attached.

Our claim documentation checklist can help you keep the evidence organized. If code items were left out after the work started, a claim supplement is the usual way to add them.

When a San Marcos public adjuster can help

Code items are a frequent reason estimates come in low, partly because they require reading the policy, the code and the estimate side by side. A San Marcos public adjuster can review your policy for ordinance or law coverage, compare the insurer’s estimate with what the adopted codes and manufacturer instructions call for, and prepare documentation for the missing items. Public adjusters represent the policyholder only and are licensed by the Texas Department of Insurance.

We cannot promise any particular result, and if your dispute turns on a legal question, such as how a policy exclusion should be interpreted, a Texas attorney is the right resource. For an underpaid claim where code items seem to be missing, or for a roof damage claim you are just starting, our Free Claim Review is a no-obligation way to get a second look. You can also read our guide on how to review an underpaid roof estimate.

As a San Marcos public adjuster serving San Marcos, Hays County, and surrounding Central Texas communities, we know a common pattern on property claims: the damage is covered, but the estimate prices a repair that could not be built that way under current code. Getting the code items documented early is one of the simplest ways to close that gap. Fees are disclosed in a written contract before any work begins; Texas law caps public adjuster compensation at 10% of the insurance settlement.

This article is general information about property insurance claims in Texas, not legal advice, and not a promise of any coverage or outcome. Your policy language and the facts of your loss control your claim.