Confirm the parcel, subdivision status, municipal limits, and ETJ before searching. Hays County's development guide specifically directs applicants to identify those boundaries and the water and wastewater source. For applicable unincorporated property, Development Services handles development or floodplain permits and on-site sewage facility records; Transportation may hold driveway or utility permits, while the Fire Marshal has defined building-related responsibilities. A city can impose its own requirements. Match the current house, addition, pool, detached structure, driveway, and land disturbance to the correct office and retain the permit, plans, inspections, and final approval.
A rural or Hill Country file often turns on the land. Hays County requires permits for on-site sewage facilities and notes that additions or added bedrooms may affect an existing system's design. Gather the OSSF design, authorization, notice of approval, maintenance affidavit or contract when relevant, and service history. Review the exact floodplain, creek-crossing, plat, drainage, and driveway records rather than applying a neighborhood assumption. Edwards Aquifer recharge, contributing, or transition-zone review may involve state material, but only parcel-specific mapping and approvals show whether it applies. A mapped hazard or aquifer area does not prove past damage, contamination, or noncompliance.
Compare the options with those limits visible. Listing may require plat or permit research, septic review, access work, repairs, cleanup, photography, appointments, and continued taxes, utilities, insurance, or HOA charges. A no-obligation cash offer may shift some preparation, but read its price, deposit, diligence deadline, cancellation rights, proof of funds, title exceptions, cost allocation, closing extensions, possession, and contents language. Ask what happens if an OSSF, ETJ, or plat issue is discovered during review. Calculate what you would keep and which county, city, or state tasks stay with you before choosing.
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