Sweep & inspection
Caps & crowns
Flue relining
Masonry repair
Gas fireplace serviceLevel 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.
Gelco Chimney Cleaning in South Pasadena, CA | San Bernardino Chimney Sweep
We provide independent Gelco chimney cleaning and Pasadena Gelco service across South Pasadena, including the 91030 and 91031 ZIP codes. What sets our work apart here is the age of the homes: most South Pasadena chimneys are original pre-1940s masonry with clay tile liners, not modern metal flues. That changes how a Gelco stainless liner or cap needs to be cleaned, inspected, and maintained. Call us at (877) 516-7159 for a free estimate on any Gelco chimney cleaning job in South Pasadena.

Why South Pasadena Residents Choose Us for Gelco Service
We’re an independent Gelco service provider, which means we’re not tied to the manufacturer’s sales targets or authorized program requirements. We service what’s actually on your roof. Allen Prescott, our owner, grew up near the Kendall Drive corridor in San Bernardino and has spent decades working on Inland Empire chimneys and fireplaces before narrowing his focus to chimney maintenance and venting safety. He’ll tell you exactly what he found in your flue, why it matters, and what actually needs to be done versus what can wait. That straight talk matters when you own a 1920s Craftsman in South Pasadena and someone hands you a five-thousand-dollar liner quote.
Our Gelco sales & service work covers everything from cleaning to cap replacement and crown coating. We’re familiar with the full Gelco product line, and because we service South Pasadena regularly, we know what this city’s chimneys throw at us before we even set up the ladder. Contractor-grade materials, not hardware-store substitutes.
Styles & brands we work with





Common Gelco Chimney Cleaning Problems We Solve in South Pasadena
- Corroded Gelco cap mounting flanges. South Pasadena’s historic districts have a lot of painted exterior brick. Paint traps moisture against the masonry, and that moisture works its way into the cap’s mounting hardware. We routinely find Gelco caps where the flange has rusted through while the cap itself still looks fine from the ground. The fix is a new cap with proper standoff, and we assess whether the paint is contributing to the problem.
- Gelco stainless liners shifting at the joints. Pre-1940s homes in South Pasadena often have clay tile liners inside the chimney. When Gelco stainless liners are installed inside these, the surrounding mortar can spall over time. As the clay tiles shift, the liner joints can separate. We see this most often on chimneys that run through uninsulated exterior walls where heat cycling is most extreme.
- Gelco crown coatings blistering over painted brick. Crown coatings need to bond directly to masonry. When a chimney has been painted, that bond fails, especially on south-facing chimneys that bake in direct sun all afternoon. The coating blisters, water gets underneath, and the crown starts crumbling. We remove what’s loose, address the paint issue where possible, and recoat.
- Multi-flue caps becoming nesting sites. South Pasadena’s oak canopy is beautiful, but it drops leaves, twigs, and acorns directly onto chimneys. Gelco multi-flue caps with wide mesh openings can become bird nests. We’ve pulled entire squirrel nests out of caps on Mission Street homes. The cap looks fine from below, but airflow is obstructed and the fireplace downdrafts constantly.
- Rust stains on the firebox from failed cap drainage. When a Gelco cap’s mounting flange fails, water follows the path of least resistance. On many South Pasadena bungalows, that’s down the flue and onto the damper, then into the firebox. Homeowners see rust stains and assume the liner is shot. Often the liner is fine; the cap is the culprit.
Gelco Service in South Pasadena: What Local Conditions Mean for Your Equipment
Here’s the thing about South Pasadena that most chimney companies from outside the area don’t fully appreciate: the city’s historic districts often require design review for exterior modifications. If you replace a Gelco cap with a bulky aftermarket model, or coat a crown with something that changes the chimney’s profile, you can run into compliance issues with the city. When we replace a Gelco cap or apply a crown coating in South Pasadena, we document the existing appearance before we start. We use low-profile solutions that visually match what was there. We’ve worked in the Mission Street historic district enough times to know that a chrome-domed cap that would be fine in a newer subdivision isn’t going to fly on a Spanish Colonial Revival. We also check for painted exterior brick before recommending any crown work, because paint is the number one hidden variable in this city’s older homes. A crown coating applied over painted brick will fail. We’d rather tell you that upfront than take your money and come back in two years.
Gelco Models & Products We Service in South Pasadena
We work on the full Gelco product range: Top-Mount Multi-Flue Caps, Stainless Steel Liner Kits, Custom Chimney Caps, and Crown Coatings. For critical components like caps and liners, we use OEM Gelco parts whenever they’re available. For standard items like clamps, sealants, and mounting hardware, we use quality aftermarket equivalents that meet or exceed spec. We keep common Gelco-compatible parts stocked for fast South Pasadena turnaround, so you don’t wait two weeks for a cap to ship from a distributor. When we assess a chimney, we always weigh repair versus replacement honestly. If a Gelco liner can be re-secured at the joints rather than fully replaced, that’s what we’ll recommend.
See the difference
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AfterGelco Service Pricing in South Pasadena
Gelco chimney cleaning in South Pasadena runs between $189 and $389 depending on flue type, accessibility, and how much creosote or debris has accumulated. Gelco cap replacement, including the part, typically lands between $325 and $675. A Gelco crown coating job runs $450 to $1,150 depending on crown size, condition, and how much prep work is needed before coating. A full Gelco stainless liner installation ranges from $2,500 to $6,500, though we only recommend a new liner when camera inspection shows the existing one is genuinely compromised. Your free estimate includes a full inspection with camera documentation. Call (877) 516-7159 and we’ll give you an exact number before any work begins.
Serving South Pasadena, CA — Our Local Coverage Area
We’re based in the South Pasadena area and also handle Gelco repair in Alhambra, so we know this community well. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – Gelco Chimney Cleaning in South Pasadena
If the rust is confined to surface discoloration, we can often save the cap with rust removal, treatment, and re-coating. If the mounting flange has rusted through, which we see often on painted-brick chimneys in South Pasadena where moisture gets trapped against the metal, replacement is the only reliable fix. The cap itself may look fine from the curb, but a failed flange means water is getting in. Call (877) 516-7159 for a free inspection and we’ll show you exactly what’s happening.
Indirectly, yes. The liner itself is stainless and unaffected by paint. But painted brick traps moisture in the masonry, which accelerates mortar deterioration. As the masonry around the liner spalls, the liner can shift at its joints. We check for exactly this pattern on every South Pasadena home with painted exterior brick, because it’s common enough here that we expect it.
Every 40 to 60 fires, or once a year if you use your fireplace regularly during the winter cold snaps. South Pasadena’s dry climate means creosote builds up more slowly than in damp coastal areas, but the oak canopy drops enough debris into uncapped or poorly capped chimneys that an annual inspection is still the right call, and the same schedule applies for our San Marino Gelco service. Call (877) 516-7159 to schedule a sweep and we’ll let you know what we found.
In most cases, yes. We document the existing cap’s appearance before removal and use low-profile Gelco-compatible stainless models that don’t change the chimney’s roofline profile. South Pasadena’s design review guidelines are focused on visual changes, so a functional replacement that matches the original silhouette generally sails through. We can advise you on what’s been accepted on similar homes in your district, including the Mission Street area.
Look for hairline cracks in the crown surface, blistering or peeling coating, water stains on the ceiling near the chimney, or efflorescence (white chalky deposits) on the exterior brick just below the crown. On south-facing chimneys in South Pasadena, sun-driven expansion and contraction accelerates coating failure. Call (877) 516-7159 and we’ll inspect the crown during your next cleaning.
Service Areas Near South Pasadena
We also provide Gelco chimney cleaning in neighboring communities, including Gelco service in Downey and Gelco service in Los Alamitos. Our full South Pasadena service area includes homes throughout the 91030 and 91031 ZIP codes, from the Mission Street corridor to the hillside streets bordering San Marino.
Book Your Gelco Service in South Pasadena Today
Your Gelco chimney system is only as good as the last person who inspected it. Call (877) 516-7159 for a free estimate. We’ll come out, inspect, and tell you what actually needs to be done. A clean flue isn’t a luxury. It’s just how you keep the fire where it belongs.
Written by Allen Prescott, Owner at San Bernardino Chimney Sweep, serving South Pasadena, San Gabriel Gelco service, and the surrounding area.