Hill Country

Hays County Mortgage Lender: Between Two Cities, Over One Aquifer

Hays County holds 304,390 people across 678 square miles between Austin and San Antonio, and it has been one of the fastest-growing counties in the country for most of two decades. Its seat is San Marcos, home to Texas State University.

Three forces shape lending here. The I-35 corridor fills with new subdivisions, nearly all of them inside districts. Texas State sustains a rental market large enough to make the county an investor destination. And the western half sits over the Edwards Aquifer recharge zone, where what you may build on a lot is limited in ways buyers rarely anticipate.

The district stack along I-35

Kyle, Buda, San Marcos and the unincorporated land between them absorbed most of the county's growth, and the infrastructure was financed through districts.

MUDs levy their own rate to repay subdivision water, sewer and drainage bonds, declining as the debt retires.

PID assessments appear in several communities and must be disclosed by the seller before you sign. They are charges rather than taxes and often run decades.

Emergency services districts cover areas without a city fire department.

All of it is escrowed and counted in your debt-to-income ratio, which means district charges lower the loan amount your income supports.

The spread is wide. Two houses at the same price in Kyle and Buda can carry materially different monthly costs on district rates alone. Pull the tax certificate from the Hays Central Appraisal District rather than relying on a county average.

Our Kyle and Buda pages cover those two markets from the city side.

Building over the recharge zone

West of I-35, much of the county sits over the Edwards Aquifer recharge and contributing zones, and development there is regulated for water quality.

Impervious cover is limited on many lots — the share covered by roof, driveway and patio. Pools and additions run into those limits more often than buyers expect.

Water quality plans are required for certain development, which adds time and cost to anything substantial.

On-site septic is the norm outside municipal service areas, with aerobic systems carrying transferable maintenance contracts and lender-required functionality at closing.

Wells are common in the rural west, and some programs require a water quality test.

If your plan involves adding to the property, check the lot's remaining impervious cover allowance before you buy, not after.

Student rentals in San Marcos

Texas State's enrolment sustains a rental market that behaves like a much larger city's.

A DSCR loan qualifies on the property's rent against its full payment rather than on your tax returns, which suits investors holding several properties.

Leases follow the academic year, and lenders want signed leases or a market rent analysis rather than projections.

By-the-bedroom leasing is common near campus and is treated differently by some lenders, so say so up front.

Two-to-four-unit properties allow owner-occupant terms if you live in one unit, with part of the other rents counting toward qualifying.

Our San Marcos page covers the investment market in more depth.

Taxes and the appraisal district

The Hays Central Appraisal District values every parcel, and the rate stacks the city, the county, the school district, Austin Community College where it applies, and any district.

File the homestead exemption in the year you buy, for the exemption itself and the 10% annual cap on assessed value increases — meaningful in a county appreciating this quickly.

New construction is assessed on the lot first, with the finished house on the roll the following year. Escrow for the completed value from the start.

The protest deadline is typically mid-May, and your purchase price is strong first-year evidence.

Which programs fit Hays County

Conventional financing carries most purchases, with the 2026 conforming limit at $832,750.

FHA is widely used along the corridor, with the 2026 national floor at $541,287 and the county figure published by HUD.

VA lending is steady given the two metros on either side.

Jumbo appears in Dripping Springs, Wimberley and the western Hill Country.

USDA eligibility survives in the rural southwest by address — worth checking near Driftwood and the Blanco County line.

DSCR and small multifamily, for the San Marcos rental market.

Acreage and land programs for the western county, where tracts are priced on land rather than structure.

Where people buy

Kyle and Buda along I-35 carry the bulk of new construction and district assessments, each with its own guide.

San Marcos, the county seat, pairs the university with the river and an older housing stock.

Dripping Springs in the northwest holds acreage and newer subdivisions on the Hill Country side.

Wimberley sits west on the Blanco River with a distinct small-town character and substantial second-home activity.

Uhland and the eastern edge run toward Caldwell County farmland.

Mountain City and Niederwald, small incorporated pockets, carry their own rates.

Neighbouring counties

Hays borders Travis, Caldwell, Guadalupe, Comal and Blanco. Our Travis County page covers the Austin side of the metro, where many Hays County buyers work.

Towns and cities we lend in across Hays County

San Marcos, the county seat, holds Texas State University. Kyle and Buda line I-35 north of it and carry most of the new construction. Dripping Springs anchors the northwest. Wimberley sits west on the Blanco River. Woodcreek, Mountain City, Niederwald and Uhland are small incorporated communities, and Driftwood to the west is rural with the Hill Country's acreage profile.

Assistance programs that reach Hays County

TDHCA and TSAHC reach every address in the county, and San Marcos has administered its own assistance for income-qualified buyers. The Homes for Texas Heroes programme is widely used by the teachers and first responders serving the county's fast-growing districts. In the rural southwest, USDA eligibility survives near Driftwood and toward the Blanco County line, and where it applies it usually outperforms a grant because it addresses the down payment directly.

Frequently asked questions

Who are the best mortgage lenders in Hays County, TX? For new construction along I-35, the ones that model district taxes correctly at pre-approval. For San Marcos rentals, the ones writing DSCR at the loan sizes this market produces. Different strengths, which is the case for shopping a panel.

What is a PID assessment in Hays County? An annual charge repaying a subdivision's roads, water and drainage, disclosed by the seller before you sign. It is counted in your debt-to-income ratio like a property tax.

Why do Kyle and Buda payments differ on identical houses? Mostly district rates and city rates. The structures are comparable; the taxing units behind them are not.

Can I build a pool on a lot over the recharge zone? Sometimes, within the lot's impervious cover limit. Check the remaining allowance before buying if an addition or pool is part of the plan, because the limit is per lot rather than per owner.

Can I get a DSCR loan on a student rental in San Marcos? Yes, commonly. The property qualifies on rent against the full payment. Mention by-the-bedroom leasing up front, because lenders treat it differently.

Will the lender require a septic inspection in western Hays County? Frequently. The system must be functional, aerobic units carry transferable maintenance contracts, and wells can require a water quality test.

Which appraisal district covers Hays County? The Hays Central Appraisal District, which sets values and handles exemptions and protests, typically with a mid-May deadline.

Is Kyle or Buda cheaper to live in? On price they are close; on payment they frequently are not, because district rates differ between subdivisions in both cities. Two houses listed within a few thousand dollars of each other can carry monthly costs that differ noticeably once the MUD or PID charge is included. Compare tax certificates, not list prices.

Can I put a pool in if my house is over the aquifer recharge zone? Sometimes, within the lot's impervious cover limit, which caps the share of the lot covered by roof, driveway and paving. The allowance belongs to the lot rather than to you, so a previous owner's patio may have used it. Check the remaining allowance before buying if a pool is part of the plan.

Is San Marcos a good place to buy a rental? The university sustains consistent demand, and DSCR financing qualifying on rent rather than your income is the common tool. Say up front if you intend to lease by the bedroom, because lenders treat that differently from a single-household lease and some will not do it at all.

How fast is Hays County growing? It has been among the fastest-growing counties in the country for most of two decades, which is why so much of its housing stock is new and sits inside a district. For a buyer, the practical effect is that comparable sales move quickly and district charges vary between subdivisions built only a few years apart.

Is it better to buy in Hays County or Travis County? Hays County generally offers newer housing at a lower price per square foot, with district charges that Travis County's established neighbourhoods often lack. Travis County offers shorter commutes to central Austin and a deeper stock of older homes. The comparison worth running is total monthly cost plus commute on two specific addresses.

Pull the tax certificate before you choose the subdivision

In Hays County the district behind the house moves the payment more than the finish-out does. Send us the address and we will price the real thing.

Start your application · Run the numbers · Call 512-588-2771

Neighbouring Counties