Gravel in San Marcos, TX

In the San Marcos/Austin area, crushed limestone commonly runs about $25 to $60 per ton and decomposed granite about $35 to $70 per ton, depending on grade and color. Delivery costs vary by distance and load size; Hello Gravel’s minimum order is 3 tons and many local deliveries are free for nearby 3+ ton orders, while short loads or next-day requests often add $50 to $150. Prices change with market and season, so check our quote tool for a specific zip-code price.

For San Marcos’s clay-rich Hill Country soils, contractors usually recommend angular crushed limestone (3/4u0022 or 1u0022 minus) because it compacts well and sheds water. Decomposed granite (DG) with small fines or crushed stone with a compacted base also works for a more finished look, but DG can rut on steep slopes unless stabilized. Always pair gravel with a compacted subbase, edge restraints, and good grade to protect against heaving from clay.

A quick rule: cubic yards = area (sq ft) * depth (in) / 324. For 100 sq ft at 3u0022 you need about 0.93 cubic yards, roughly 1.2 to 1.4 tons using typical limestone density; at 4u0022 you need about 1.23 cubic yards, roughly 1.6 to 1.9 tons. Order a small overage (5-10%) to account for compaction and spillage.

Rules vary by HOA and neighborhood; some HOAs or historic districts specify stone size, color, or require paved surfaces for visible front driveways. San Marcos city codes may also have site-specific stormwater or driveway standards. Check your HOA covenants and contact San Marcos city planning or permitting before ordering to confirm requirements.

Hot, dry periods create dust and settle fines, while heavy seasonal rains cause washouts and rutting on poorly prepared surfaces. Angular crushed limestone with a good mix of fines or polymer-stabilized gravel tends to resist displacement and dust best when installed over a compacted base and proper drainage. Regardless of material, correct base prep, slope, and edge restraint are the biggest factors reducing maintenance needs.

Hello Gravel connects you to multiple local supply yards and haulers across the Austin-Round Rock metro that serve San Marcos; specific supplier names and availability show after you enter your zip code. Typical minimums in the area start at 3 tons (our platform minimum), and many suppliers offer free delivery for orders meeting local thresholds; short loads, out-of-area drops, or expedited delivery commonly add $50 to $150. Use our checkout to see supplier options, exact minima, and delivery fees for your address.

Gravel and stabilized gravel have a lower upfront cost than asphalt or concrete, which can make them more cost-effective for low-traffic residential driveways in San Marcos. However, gravel usually requires periodic maintenance (regrading and topping) that adds recurring costs, while asphalt and concrete have higher initial costs but often lower routine maintenance. Choose based on traffic, aesthetics, drainage, and long-term budget; contractors can run a simple lifecycle comparison for your site.

Contractors typically install a compacted subbase of crushed rock or road base (4-6u0022 for driveways) over geotextile fabric to separate the clay and improve drainage, plus firm edge restraints to stop lateral loss. For high-erosion sites near the Blanco or creeks, add swales, French drains, or culverts to move water away, and consider polymer or resin stabilizers for the top layer to resist washout. Always follow local setback and floodplain rules and consult a licensed contractor when working near waterways.

Frequency depends on use and exposure: high-traffic driveways may need regrading or topping every 1 year, typical residential driveways every 1 to 3 years. As a rule of thumb, a light annual top-dress is 1/4u0022 to 1/2u0022; for 100 sq ft that equals roughly 0.1 to 0.4 tons, and for a 1,000 sq ft driveway expect about 1 to 2 tons. Monitor ruts and low spots after heavy rains and order small replenishment deliveries as needed.

Locally quarried limestone is generally the environmentally preferred choice in San Marcos because it reduces transport emissions and blends with regional soils and ecology. Imported river rock or decorative stone is usually smoother and often 10% to 30% more expensive after delivery, and it tends to be less stable and more prone to displacement on slopes. If sustainability and long-term maintenance are priorities, ask for local material options and transport distances when you get a quote.