Level 1 sweep and inspection to the NFPA 211 annual standard - flue, crown, cap, and flashing checked and photographed
Chimney sweep logs do not sweep chimneys. They loosen some creosote - which then falls where a brush and vacuum still have to collect it.
Fast, Reliable Chimney Inspection Across San Marcos
A chimney inspection in San Marcos, TX typically costs $189 – $349 for a Level 1 or camera inspection, and $349 – $690 when a full Level 2 real-estate style inspection is required. Most San Marcos homes we inspect are 1990s – 2000s tract builds in neighborhoods like San Elijo Hills, Twin Oaks, and Discovery Hills, where prefab zero-clearance fireplaces dominate and low-use flues create a specific set of failure patterns you won’t find in older masonry-heavy cities. We know these tracts street by street, and we’re the Chimney Inspection team homeowners call when a neighbor’s flue is tied into the same stack and something smells like smoke at 11 p.m. Call (336) 863-3889 for a free estimate and a written price before any work is scheduled.
Quick context if you’re new to this: our crews are dispatched locally from the Austin office, and we serve San Marcos including all surrounding neighborhoods. You’ll know your technician’s name and see their photo before they arrive. That’s the Threshold Standard, and it’s non-negotiable.
Why Alcott Chimney Sweep Is San Marcos’s Preferred Chimney Inspection Company
We’ve been inspecting chimneys since 2002, long enough to know that San Marcos doesn’t follow the standard chimney-service playbook. Most national outfits treat every city like it has traditional masonry fireplaces that build creosote. San Marcos doesn’t. The city’s housing stock is dominated by 1985 – 2010 stucco-clad tract construction, much of it built around master-planned communities where factory-built prefab fireplaces were installed as selling-point amenities. Those units have manufacturer-specified service lives and refractory panels that degrade quietly, and the mild climate means nobody gets a seasonal reminder to light a fire and notice something’s wrong.
Every technician we send into San Marcos has passed a background check and identity verification before ever stepping on your property. You get the technician’s name and photo before the truck leaves the Austin dispatch office, and when they knock, they’re holding a photo ID badge. That’s the Threshold Standard on every single job.
Every customer in San Marcos receives a written price before any work begins. Not an estimate in a text. A written price. And every repair we complete carries a written guarantee. If that repair fails within the coverage period, the second visit is free. We put that in writing because Ruben Castellano, who leads our team, built this company on the idea that a homeowner should never have to guess what they’re paying for or who they’re letting in the door.
Chimney Camera Inspection in San Marcos
A Chimney Camera Inspection in San Marcos is the most direct way to see what’s actually happening inside a flue that has been sitting dormant since the last time you lit a fire, which in many of these tract homes was the previous owner’s Thanksgiving five years ago. We run a water-resistant, high-resolution camera head up the flue and record the entire interior wall. You see what we see, in real time, on our monitor. This runs $189 – $285 as a standalone service in San Marcos, and it’s included when you book a Level 2 inspection.
In San Elijo Hills and Twin Oaks specifically, we rarely recommend a sweep before a camera pass. The reason is simple: these prefab units fail from refractory cracking and animal intrusion, not creosote buildup. If we brush first, we can dislodge compromised material or push a bird’s nest deeper into the chase.
When a camera inspection finds what a visual look can’t
Zero-clearance prefab fireplaces have internal air-cooled chase systems that a technician cannot see into from the firebox opening. A camera reveals cracks in the refractory panels behind the flue tile, failed dampers, and the nests starlings build against the inner wall. In San Elijo Hills we opened a chase on a 1998 prefab unit that had gone untouched for over a decade and found a European starling nest packed tight against the refractory panel. Behind that nest, the camera showed a crack we documented before any brush went in.
Camera evidence before any liner recommendation
If we recommend a liner or a HeatShield resurfacing, we’ll show you the footage. Frame by frame if you want. No one at Alcott will ever tell you a repair is needed without walking you through camera evidence you can see for yourself. That’s a promise, and it’s part of what the 365-Day Done Right Promise means in practice.
Fireplace Inspection in San Marcos
A Fireplace Inspection in San Marcos focuses on the firebox, the damper, the refractory panels, and the gas or wood ignition assembly inside the unit, and it costs $159 – $245 depending on whether the unit is wood-burning or gas. Most of the prefab fireplaces in San Marcos’s 1990s – 2000s tracts were installed as decorative amenities. They’ve been lit a handful of times in twenty years, and the components age just as much from non-use as from heavy use. Dampers seize. Refractory cracks. Gas valve assemblies collect dust and fail to light when the first cold snap hits.
If you’ve owned a San Marcos home for two or three years and never had the fireplace inspected, this is the one to book. We’ll inspect the firebox lining for hairline cracking, verify the damper opens and seals, and check the gas line and valve on gas log setups. The whole inspection runs about 45 minutes in most single-family homes, a little longer in attached properties where we’re checking shared chase conditions.
What we inspect before you list or buy
San Marcos has a steady stream of resale activity in neighborhoods like San Elijo Hills and Discovery Hills, and home inspectors rarely go deeper than a flashlight glance up the flue. We perform full real-estate Level 2 inspections for buyers and sellers: camera, chase condition, spark arrestor verification, and code compliance for VHFHZ parcels. If a chimney is in a Very High Fire Hazard Severity Zone and the cap is missing, that shows up in our report with photographs.
Gas fireplace checks before the first cool night
When gas fireplaces sit unused for months, the pilot assembly collects dust and the thermocouple can fail silently. A quick inspection before you need the heat saves you from discovering a dead fireplace on the first night you actually want it.
Trusted Brands We Service in San Marcos
We carry and install professional trade materials in San Marcos, including DuraFlex liner systems, HeatShield resurfacing, Olympia Chimney, Famco, and Copperfield caps and spark arrestors. These are the same brands chimney professionals specify for code-compliant installations, not box-store substitutes. When we find a failed cap or a cracked refractory that needs replacement, we typically have the correct part fitted within the same week. When an inspection reveals a liner issue, we stock DuraFlex and HeatShield options sized for the prefab units common in San Marcos’s tract developments. No contractor’s special ordering. No four-week waits.
Common Chimney Inspection Problems We See in San Marcos Homes
- Cross-contamination in shared stacks. Attached duplexes and townhomes in San Marcos often share a single masonry stack with separate flue liners inside. When a neighbor’s appliance vents into the same stack and a liner cracks or separates, exhaust from their furnace or water heater can migrate into your fireplace flue. We find this regularly in older attached properties near the downtown core and in newer multi-family infill. It’s the single most undersold inspection finding in this city.
- Starlings and critters in dormant prefab flues. Mild weather means no urgent seasonal push to light a fire, so a flue with a failed cap sits open and inviting through spring and summer. By the time we inspect, there’s a nest against the refractory panel and sometimes a cracked panel behind it. This is so common in San Elijo Hills and Twin Oaks that we schedule extra time for camera inspection on any prefab unit that hasn’t been serviced in five years or more.
- Cracked refractory panels in low-use zero-clearance units. The panels that protect the firebox in prefab units degrade from thermal cycling, not just heavy use. A unit that gets lit once a year still goes through heating and cooling that flexes the panels, and after 15 – 20 years they crack. Most homeowners never know because the fireplace still lights and drafts fine.
- Missing or undersized spark arrestors on VHFHZ parcels. Portions of San Marcos fall inside Cal Fire Very High Fire Hazard Severity Zones. On those parcels, a code-compliant spark arrestor with proper mesh is a life-safety requirement. Santa Ana winds pushing live embers onto a roof stack without a proper arrestor is how structure fires start during regional events. We treat this as a mandatory repair finding, not an optional add-on.
Pricing for Chimney Inspection in San Marcos, TX
Here are the numbers San Marcos homeowners ask for, in plain English:
- Level 1 visual inspection: $159 – $185 for a standard single-family home with accessible roof or firebox access. This covers the accessible portions of the firebox, damper, and exterior cap.
- Chimney camera inspection: $189 – $285 standalone, which includes recorded footage and a photo report. This is the inspection we recommend before any brush touches a prefab flue in San Marcos.
- Level 2 real-estate or pre-purchase inspection: $349 – $690, camera included, with a written report and photo documentation. Required for property transfers, and we recommend it for any home that hasn’t been inspected in a decade.
- Fireplace inspection: $159 – $245 depending on fuel type and unit condition.
What affects your final price: roof accessibility (steep or tile roofs add time), whether the unit is prefab or masonry, attached versus detached, and whether a camera pass is included. Every price is delivered in writing before work begins. Call (336) 863-3889 for a free estimate and an exact quote for your San Marcos property.
We Also Serve Cities Near San Marcos
Alcott Chimney Sweep serves the full central Texas corridor around San Marcos, including Kyle, New Braunfels, Buda, and Canyon Lake. If you’re just outside the city line, we’ll still dispatch a technician from the Austin office and honor the same written-price guarantee and 365-Day Done Right Promise. Call (336) 863-3889 and let us know where you are.
Serving San Marcos, TX - Our Local Coverage Area
We’re based in the San Marcos area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About Chimney Inspection in San Marcos
Yes, and we find this in San Marcos more than almost anywhere else we work. Shared stacks with separate flue liners are common in attached properties, and when a liner cracks or separates, exhaust from your neighbor’s furnace or water heater can vent into your flue. The first signs are usually a faint exhaust smell when their heat kicks on, or soot deposits appearing in a fireplace you never use. If you share a stack and haven’t had it camera-inspected, book one. It’s the only way to see the liner condition inside the shared structure. Call (336) 863-3889 and we’ll schedule a camera pass with a written report.
Yes, and in San Marcos, low use is exactly why you need one. The prefab zero-clearance units in most of the city’s 1990s – 2000s tracts degrade from thermal cycling and animal intrusion, not from heavy use. A fireplace lit once a year for twenty years still goes through heating and cooling that cracks refractory panels, and a dormant flue with a failed cap becomes a starling nesting box by July. A camera inspection runs $189 – $285 and tells you whether the unit is safe to light or if it’s been quietly failing for a decade. Call (336) 863-3889 for an exact quote.
Because the failure modes in zero-clearance prefab units don’t require heavy use. Refractory panels crack from thermal cycling even at low frequency, dampers corrode and seize in the mild coastal air, and starlings build nests against components that then trap moisture. The units were installed as builder-grade amenities, not workhorse heating systems, and their manufacturer-specified service lives often lapse in silence. When we camera-inspect a San Elijo Hills chase that’s gone untouched for a decade, we expect to find something, and we usually do.
A fireplace inspection covers the firebox, refractory panels, damper, and gas or wood ignition components. A chimney camera inspection runs a camera up the flue to inspect the entire interior liner or prefab chase, documenting cracks, animal nests, and cross-contamination issues you can’t see from the firebox opening. In San Marcos, we recommend both when a prefab unit hasn’t been serviced in years. The camera shows what’s happening above the firebox. Call (336) 863-3889 and we’ll tell you which one makes sense for your home.
Yes, and it should change what every inspector looks for. San Marcos sits in an inland valley where Santa Ana winds funnel through with notable force, and parcels inside Cal Fire’s VHFHZ designation require code-compliant spark arrestors. We inspect every cap and arrestor on San Marcos properties with the same care we give the interior flue, because a missing or undersized spark arrestor during a regional fire event is a life-safety failure, not a minor finding. We photograph it, document it in the report, and recommend the correct Copperfield or Famco cap sized to your flue.
Written by Ruben Castellano, Owner at Alcott Chimney Sweep, serving San Marcos since 2002.





Before
After
Before
After
Before
After