San Marcos Airbnb Rules & Investment Guide (2026)

A San Marcos mailing address does not by itself prove that City rules apply.

• Confirm the parcel is inside San Marcos city limits.
• Check current zoning, overlays, approved use, and private restrictions.
• Use the City map for screening and request written zoning verification when needed.
• Save the parcel result and agency response.

San Marcos requires an approved, current permit for short-term rental operation.

• Prepare proof of possession, zoning verification, a parking plan, and property plans.
• Provide emergency contact and hosting-platform information.
• Complete the required Code Compliance safety inspection.
• Renew the permit annually and place the permit number in advertisements.

The ordinance and adopted codes set fire, egress, detector, and evacuation duties.

• Install compliant smoke and carbon-monoxide detection.
• Provide the required 2A:10B:C fire extinguisher coverage.
• Confirm an operable escape and rescue opening for each sleeping area.
• Post the evacuation plan in each unit or permitted sleeping area.

Written guest information and reliable local response are operating requirements.

• Post maximum occupancy and approved parking information.
• Prohibit parking on landscaped areas and explain quiet-hour rules.
• Provide trash pickup, emergency, permit, and tax-registration information.
• Maintain a 24-hour contact who can respond within 60 minutes.

San Marcos and Texas hotel occupancy tax duties must be modeled separately.

• Obtain City Finance proof of hotel-tax registration for the STR permit.
• File the City report by the 20th after each reporting month, including zero-due periods.
• Confirm the current City rate and Texas state obligations.
• Verify exactly what each booking platform collects and remits.

Permit approval does not replace property and title due diligence.

• Match the warranty deed and appraisal record to the applicant and parcel.
• Review flood, access, utility, insurance, and physical-condition risks.
• Check deed restrictions, HOA rules, leases, and lender requirements.
• Do not use a recreational vehicle or trailer as an STR.

A platform listing does not protect an operator from City enforcement.

• Unpermitted operation and missing permit numbers create exposure.
• Noise, parking, trash, and occupancy rules remain enforceable.
• Late tax filings can create penalties, interest, and permit problems.
• Keep inspection, complaint-response, tax, and renewal records.

Citywide revenue, occupancy, ADR, and ROI figures cannot replace an address model.

• Build revenue from defensible nightly-rate and booked-night assumptions.
• Include taxes, platform fees, utilities, insurance, labor, maintenance, and reserves.
• Stress-test vacancy, repairs, permit delay, and operating restrictions.
• Reject generic earnings or appreciation claims.

STR Search can help compare properties and build an address-specific acquisition and setup plan after legal eligibility is confirmed.

• Bring the address, budget, financing, property facts, and operating model.
• Resolve City limits, zoning, permit, inspection, and tax questions first.
• Model setup and recurring costs with downside cases.
• Book a property review when the evidence is ready.

Official pages can change, so recheck permit, tax, zoning, safety, and contact details before applying.

• Short Term Rental Registration
• Short-Term Rental Ordinance
• Hotel Occupancy Taxes
• Hotel Occupancy Tax report
• City maps
• Zoning verification
• Code Compliance
• Fire Marshal codes
• Hays appraisal records
• Texas hotel tax