Whole-home duct cleaning
Dryer vent cleaning
Camera inspection
Sanitizing & deodorizingWhole-system duct and dryer vent check with before-and-after photos - you see exactly what came out of your vents
That "$99 whole-house special" is a bait ad - the real number appears once they are in your hallway, or the "clean" is a shop-vac at the register. We photograph the inside of your ducts before and after instead.
Air Duct Cleaning Company in San Pablo, CA
We repair and clean air ducts throughout San Pablo, CA, and in this city the work often starts in a crawlspace. Homes here were largely built between the 1940s and 1970s, which means ducts that are original, undersized, or pieced together after decades of add-ons. When winter dampness settles into fiberglass wrap or old flex, we find corrosion, crushed returns, and joints that have pulled apart. Hallmark Air Duct Cleaning has served San Pablo since 2011. If your system is leaking air into an attic or pulling crawlspace odor through the house, call us at (833) 467-6681.
Why San Pablo Homes Are Different
San Pablo’s housing stock is overwhelmingly mid-century tract construction. Single-story stucco bungalows dominate the flatlands along San Pablo Avenue and Rumrill Boulevard. These homes typically have low-pitch attics with just enough clearance to crawl, and original galvanized ductwork that is now sixty to eighty years old. The ducts were installed when a house had a gravity furnace or an early forced-air retrofit, and many runs were never properly sealed. In the city’s west side, where older homes sit closer to the bay influence, return ducts frequently route through damp crawlspaces. That soil moisture gets drawn into the return side, carrying a musty smell through the house whenever the blower kicks on.
Then there’s the air itself. San Pablo sits between I-80 and the Chevron Richmond Refinery to the west. On days when the marine layer holds low, fine grey particulate from diesel traffic and refinery operations settles onto roofs and gets pulled into attic vents. Over time, that same particulate coats duct interiors. Residents often assume the thin grey film on vent covers is ordinary household dust. It is not. It is a mix of combustion soot, tire wear, and pollen that returns to the living space every time the system runs. In San Pablo, duct work is not a cosmetic cleaning task. It is a periodic removal of industrial and traffic fallout from aging, leaky duct runs.
Styles & brands we work with
- Whole-home duct cleaning
- Dryer vent cleaning
- Camera inspection
- Sanitizing & deodorizing
Our Main San Pablo Services
San Pablo homeowners call us most often for two services: cleaning the ducts they already have, and clearing dryer vents that have become a genuine fire hazard.
Air Duct Cleaning in San Pablo
Most homes here have never had a full duct cleaning. The systems were sealed up in the 1960s and left alone. What we find in San Pablo runs matches the environment: grey soot film, decades of dust, pet hair packed into return grilles, and in damp winter months, mold growth on old fiberglass insulation. We clean with professional extraction equipment and contain what we dislodge using negative-air filtration. This is not a vacuum-and-leave service; it is a decontamination of the air path your family breathes every day. Our full cleaning service is covered on its own page: Air Duct Cleaning in San Pablo.
Dryer Vent Cleaning in San Pablo
A dryer vent isn’t a minor chore. It’s a fire-risk checklist item, and in San Pablo’s older homes, vents are often long runs with multiple elbows, oversized corrugated flex, or terminations in awkward crawlspace locations. Lint builds at every turn. When a dryer takes two cycles to dry a load or the laundry room feels humid during operation, the vent is already restricted. We treat this as a dedicated safety service, not a filler add-on. Full details are here: Dryer Vent Cleaning in San Pablo.
Air Duct Repair in San Pablo
Air Duct Repair in San Pablo typically costs between $175 and $850 depending on the scope of the damage, and what makes this work unique here is the age of the systems we open up. A 1950s tract home with original galvanized ductwork has been through seventy winters of damp marine air and seventy summers of dry heat. Joints separate. Seams rust. Flex duct collapses where someone rerouted it during a garage conversion or room addition. Leaks in these systems can mean 20 to 30 percent of conditioned air never reaches the register, and the negative pressure pulls crawlspace air into the return side. That is why we offer Air Duct Repair in-house rather than referring it out.
Ductwork Repair
Signs you need it
Rooms that never reach the thermostat temperature, a blower that runs constantly, or a dusty smell that returns days after cleaning usually point to open joints or crushed duct sections.
What it costs in San Pablo
In San Pablo, ductwork repair typically ranges from $175 to $450 per section depending on accessibility and whether the damage is a separated joint, a crushed run, or a rusted-through portion.
How we do it
We locate the leak with pressure testing, then reseal joints with mastic and aluminum tape, replace damaged flex sections, and confirm airflow before closing the access.
HVAC Duct Installation
Signs you need it
Add-on rooms, garage conversions, or a failed section that no longer holds its shape are all reasons San Pablo homeowners call us for new duct runs.
What it costs in San Pablo
HVAC duct installation in San Pablo typically ranges from $450 to $1,200 per room, depending on run length, the number of supply and return points, and attic or crawlspace accessibility.
How we do it
We size the run to the room’s airflow requirement, install properly supported and sealed duct sections, connect supply and return paths, and verify the system is balanced.
What Air Duct Repair Costs in San Pablo
| Item | Typical range in San Pablo |
|---|---|
| Ductwork repair (single section) | $175 – $450 |
| HVAC duct installation (per room) | $450 – $1,200 |
| Full duct replacement (small home) | $1,500 – $3,500 |
Access is the biggest cost variable in San Pablo. Low-pitch attics and tight crawlspaces add labor hours. Every estimate is a flat price per job, not an hourly guess, so you see the full cost before any work begins.
When should I repair ducts instead of replacing them?
Repair makes sense when the duct body is sound and the problem is separated joints, rusted seams, or a crushed flex section. Replacement is more cost-effective when galvanized duct is rusted through or flex has collapsed over long runs.
Can repairing ducts fix a musty smell in my San Pablo home?
Often, yes. When return ducts draw air through a damp crawlspace or open joints pull in soil odor, sealing those leaks stops the smell at the source. We test the return path and seal what we find.
Brands We Service in San Pablo
We service duct systems from all major manufacturers and we stock common replacement parts for older galvanized installations and flex systems. Our crews work daily with equipment from Rotobrush, Nikro, and Abatement Technologies. For a full list, see our brands.
See the difference
Before
After
Before
After
Before
AfterPricing for Air Duct Cleaning Company in San Pablo, CA
| Service | Typical range in San Pablo |
|---|---|
| Air duct cleaning (whole home) | $300 – $600 |
| Dryer vent cleaning | $100 – $175 |
| Ductwork repair (single section) | $175 – $450 |
| HVAC duct installation (per room) | $450 – $1,200 |
| Air duct replacement (per duct run) | $200 – $500 |
| Duct replacement (whole home) | $1,500 – $3,500 |
| Crawlspace duct repair | $200 – $400 |
| Attic duct sealing | $300 – $700 |
Prices in San Pablo run slightly higher when crawlspace work is involved or when we are correcting someone else’s failed repair. You will always receive a single flat price for the whole job before we start, and no per-vent pricing games.
Neighborhoods We Serve in San Pablo
We cover every residential area within the 94806 ZIP code. Most of our work clusters in the older flatland neighborhoods, where the original 1940s and 1950s tract homes sit, and in the hillside streets where duct runs are longer and harder to reach. We typically reach any San Pablo address within one business day for an estimate.
- San Pablo Avenue corridor
- Rumrill Boulevard area
- West side near the 580 interchange
- East side off San Pablo Dam Road
- Contra Costa College vicinity
Service Area – Cities Near San Pablo
Hallmark Air Duct Cleaning provides the same repair and cleaning services to nearby East Bay communities. We regularly work in Richmond, CA, where older industrial housing stock presents similar duct conditions. We also serve Hercules, CA and Albany, CA, where mid-century homes carry many of the same needs. Across the border in Berkeley, CA, we clean and repair ducts in older hillside and flatland homes.
Serving San Pablo, CA – Our Local Coverage Area
We’re based in the San Pablo 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 Air Duct Cleaning Company in San Pablo
Most estimates in San Pablo are scheduled within one business day, and unless parts need to be ordered, repair work usually starts the same week. We keep our scheduling window tight because we know an open duct leak only gets worse.
For most repairs and in-place duct replacement, no permit is required. If a project involves new mechanical equipment or substantial changes to your home’s duct layout, Contra Costa County may require a permit. We handle the determination for you before work starts.
Yes. Homes closer to the Chevron Richmond Refinery and I-80 accumulate grey particulate faster than homes in the hills. If you live along the western flatlands, we recommend checking your return grilles every year rather than waiting for visible buildup.
What happens when you call
- 1A real person answersNo phone trees. Talk to a local air duct cleaning pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you. The visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What San Pablo Customers Say
"Fair price, competent work. The guy wasn't especially chatty and I had to ask twice to get a real explanation of what he'd done. Not a dealbreaker, just noting it."
- Javier Vargas"Two guys, about three hours, plastic down at every register, and they wiped the vent covers before putting them back."
- Doug Lawson"Ran a negative air machine on the whole system rather than the shop vac on a stick that the cheap outfit down the road uses. Showed me the before and after photos from inside the trunk line and it was genuinely disgusting."
- Wade Reed