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We handle asphalt parking lot repair in Saint Louis, MO to restore safety and appearance at commercial properties. Our services include pothole patching, crack repair, and full depth replacement of failing sections. When a lot is beyond minor fixes, we can mill and replace or reconstruct it to provide a smooth, reliable surface for your customers and tenants.
Precision Asphalt St. Louis provides professional parking lot repair throughout Saint Louis, MO, Missouri and the surrounding area. Our licensed, insured crew delivers safe, clean, on-time work with a free estimate before anything begins. Call (314) 333-7779 or request your free quote.
Parking lot repair in St. Louis that solves the real problems you see every day
At Precision Asphalt St. Louis, parking lot repair is about fixing the issues that are actually costing you money: trip hazards, potholes, drainage problems, and fading striping that confuses drivers. We work all over the St. Louis metro area, so we understand what freeze-thaw cycles, rock salt, and heavy Midwest storms do to asphalt.
Most of the calls we get for parking lot repair in Saint Louis, Missouri start with the same complaints: water sitting in low spots after a rain, potholes at entrances where delivery trucks turn, alligator cracking along drive lanes, and ruts in dumpster or loading areas. If you are seeing these, the surface is not just ugly, it is breaking down faster and raising your liability risk.
Our first step is a site walk with you. We do not guess from photos. We check drainage patterns, sub-base movement, traffic flow, and prior patching attempts. Then we separate what can be repaired cost effectively from what really needs replacement. Many lots in St. Louis can gain several more useful years with targeted structural repairs instead of a full tear out, if you address the damage early enough.
How we evaluate your parking lot: repair vs full replacement
A proper parking lot repair plan starts with figuring out whether your base is still sound. At Precision Asphalt St. Louis, we core test or probe suspicious areas when needed, instead of just looking at surface cracks and hoping for the best.
You should plan on repair if the asphalt has:
• Cracks that are mostly isolated and not forming large interconnected alligator patterns.
• A few potholes that do not keep coming back in the same spots.
• Surface raveling or roughness, but no large sections that flex or pump water when trucks roll over them.
We recommend partial or full replacement when we see:
• Widespread alligator cracking, especially in wheel paths.
• Depressions that hold water more than 24 hours after rain.
• Areas where the base moves when we drive a loaded truck across it.
• Old overlays that are already two or more layers thick and separating.
For replacement, we typically mill off the existing asphalt to a set depth, repair or recompact the base, then install new asphalt in one or two lifts depending on traffic load. For repair, we cut out failed sections, repair the base if needed, and tie new asphalt into the existing surface with proper tack coating so you do not get seams that quickly unravel.
Common St. Louis parking lot problems and how we fix them
Saint Louis parking lots see a combination of freeze-thaw cycles, heavy snow plowing, and frequent truck traffic. That mix creates some predictable issues, and we tailor our parking lot repair methods to each one.
Potholes at entrances and exits: These usually come from base failure due to turning movements and water penetration. We saw cut around the pothole, remove failed asphalt and soft base, replace base rock if needed, compact in layers, then install new hot mix asphalt with proper compaction. Cold patch is only used for temporary winter fixes, not as a final repair.
Alligator cracking in drive lanes: This is almost always structural. Crack filling alone will not solve it. We remove the cracked mat, rework or replace the base, then install a patch with similar or greater thickness than the surrounding area. In high traffic centers, we may recommend a thicker asphalt section or a reinforced base to handle delivery trucks.
Low spots with standing water: In St. Louis, repeated freeze-thaw in ponded areas accelerates failure. We do localized milling or leveling to establish positive drainage to inlets or edges. Sometimes a small regrade of a few hundred square feet can prevent thousands of dollars in future damage.
Cracking from snow plow blades: Plows in our winters can chip edges at joints and curbs. We seal these before moisture gets in, then schedule more durable edge repairs or overlays when temperatures are right.
Faded striping and worn surface at crosswalks: We often combine surface repairs with restriping using layout that improves traffic flow and ADA compliance. This helps you get more value out of a repair visit.
Our repair and replacement process, step by step
Precision Asphalt St. Louis follows a predictable process so you know what will happen from first visit to finished parking lot.
1. Site assessment and measurements: We walk the entire lot with you, mark problem spots, measure square footage and thickness where needed, and ask about traffic patterns and any drainage or icing complaints.
2. Written scope with options: We typically give at least two options when possible, such as targeted structural repairs plus sealcoating versus a larger mill and overlay or full replacement. Each option outlines expected lifespan, limitations, and cost range so you can match the work to your budget and property plans.
3. Scheduling and staging: For active businesses, we phase the work so your lot is never completely unusable. We may handle it in sections, work off hours, or start at secondary entrances first. We post signage and coordinate with you so tenants, employees, and customers know where to park.
4. Base and asphalt work: Whether we are cutting out patches or replacing entire sections, we focus on compaction. We use vibratory rollers appropriate to the lot size and thickness, not just small plate compactors. Proper compaction is what keeps patches from sinking or raveling.
5. Joints, transitions, and drainage checks: We pay close attention to tie-ins at sidewalks, dock aprons, and neighboring pavement. After paving, we verify slopes toward drains and do not leave lips that catch snow plows or trip pedestrians.
6. Marking, striping, and cleanup: Once asphalt has cooled and cured enough for paint, we restripe stalls, fire lanes, ADA spaces, loading zones, and any specialty markings you need. We haul away millings and debris and leave the site ready for traffic according to the cure times we specify.
What affects parking lot repair cost in Saint Louis
Cost is driven by more than just square footage. Precision Asphalt St. Louis explains each factor so you can see where your money is going and what choices you have.
Key cost drivers include:
• Thickness of repair or replacement: A light-use office lot may only need 2 to 2.5 inches of asphalt, while grocery or industrial lots may need 3 to 4 inches or more. More thickness means more material and labor, but also more lifespan.
• Base condition: If the stone base is stable, we can mill and overlay or patch without major base work. If we find pumping, mud, or organic material, we have to undercut and replace base, which adds cost but is necessary for long-term performance.
• Access and phasing: Tight urban lots, multiple small sections, or work that must be done nights or weekends will cost more per square foot than a wide open site we can pave in large passes during daytime.
• Drainage modifications: Adding or adjusting inlets, installing trench drains at dock doors, or doing significant regrading increases cost, but in many older St. Louis lots it is the only way to stop recurring failures in the same wet areas.
• Surface treatments: Some owners choose to follow structural repairs with sealcoating on the rest of the lot to protect the remaining asphalt and blend old with new. This adds cost but can extend the life of areas that are not ready for replacement.
We itemize these factors in your proposal so you can see which elements are essential and which are optional upgrades.
What St. Louis property owners should ask before hiring a paving contractor
Choosing the right company for parking lot repair or replacement affects how often you will be back in the same situation. Precision Asphalt St. Louis encourages you to ask any contractor, including us, specific questions before you sign.
1. How will you determine whether I need repair or replacement, and will you check the base condition? If the answer is just a visual drive through, you are not getting the full picture.
2. What asphalt mix and thickness are you proposing for my traffic type? Light retail, medical office, and heavy trucking need different designs. Look for a clear explanation, not just a generic “blacktop” quote.
3. How will you manage drainage and standing water issues that I already have? If they cannot describe specific grading or milling steps, expect the same puddles to return.
4. How will you phase the work to keep my business open and safe? Contractors who work regularly in active commercial sites will have a clear staging plan.
5. What is included after paving, such as striping, signage, ADA upgrades, and site cleanup? A low price that skips these can leave you scrambling when the crews leave.
If you are in Saint Louis, Missouri or the surrounding metro and want a straightforward assessment of your parking lot repair or replacement options, we are ready to walk the site with you, explain what we see in plain language, and give you a plan that fits the condition of your pavement and the way your property is used.
