Our own crew will clean gutters here to protect your home, every downspout flushed and flow-tested, the mess hauled away, and photos of every run before we leave. The price comes from your stories, your square footage and how much tree cover is over the roof, and the number we give you on the phone is the number on the invoice. Across California, spring visits run mid to late June and fall visits run late November to December.
Quoted from stories, size and tree cover, over the phone, with nothing added once the crew is on the roof.
Our cleaning services in Diamond Bar CA are priced from three things: how many stories the house has, how big it is and what is sitting in the gutters. We price it over the phone or by text from those three things, and the number we quote is the number we charge. Companies that price by the linear foot land in a similar place per foot, but on our jobs the stories and the access matter more than the length of the run. Routine gutter maintenance and any cleaning and maintenance added to the same visit are priced once.
What moves a quote on our jobs is usually a third story or a roof too steep to walk, a walk-out basement that puts the back run well up in the air, gutters nobody has opened in years and packed with compacted twig and grit, and gutter guards we have to lift and reseat before we can get in. Downspout flushing, flow testing and haul-off are included and never billed as extras, and everything we pull out goes away from your home in our truck. A gutter that is clean on the outside can still hold wet muck inside, so we check every run and the water flow through it. The gutter cleaning process is the same on every house: clear, flush, check, photograph. If something changes the job, you hear about it and agree to it before work starts, not on the invoice.
On local jobs the same few things come up again. A homeowner with a single-story house and a few trees usually gets a straightforward quote. A two-story house under a heavy canopy, with seeds and twig buildup and a downspout that drains poorly, costs more because it takes longer to clear and flush properly. The leak we find most often is a joint that has been holding back a backed-up run for a season, and it shows up as a stain on the fascia line before anyone notices the gutter is full. A clog at one elbow means the rainwater has nowhere to go, and the whole gutter system fills from the low end until it spills. A blockage at the outlet shows up in the photos too. Heavy rainfall makes that worse, and drainage that looked fine in the dry months gives up. Repeat cleanings on a house we already know are quicker, because the gutters are lighter. If you want a clean number, text us a photo of the front of the house, tell us your stories and roughly how big it is, and we will come back with the number. Get your gutters priced this way before the wet months.
| One story | Two stories | Three stories or steep | |
|---|---|---|---|
| Under 1,500 sq ft | from $150 | from $225 | from $295 |
| 1,500 to 2,500 sq ft | from $200 | from $260 | from $335 |
| Over 2,500 sq ft | from $235 | from $305 | from $395 |
For context, nationally: Angi 2026, US average $168, most $119 to $234, $0.95 to $2.25 per linear foot.
Downspouts flushed and flow-tested, debris hauled, photos of every run. The quote already has all of it in.
Our crew clears every gutter run by hand, not just the stretch you can see from the driveway. Roof valleys and the area above the gutter line are blown clear first, so the next rain does not refill what was just emptied. Every downspout is flushed with water and watched until it runs clear at the bottom; one that will not clear is worked from the top where it can be reached. Where a downspout feeds an underground drain line, the crew checks that water is leaving at the outlet and tells you if it is not; clearing a buried line is a separate job and is quoted before anyone touches it.
Debris goes into bags and leaves with the truck. It is not blown onto the lawn, the deck or next door. The ground is left as it was found.
Before the crew leaves you get photos of every run and every downspout, before and after, on your phone, whether or not you were home. Anything the crew sees that is not a cleaning problem, a hanger pulled loose, a seam dripping, a run sitting flat, is photographed and reported, not repaired and not sold on the spot.
What can change the number, and you hear it before work starts, never on the invoice: a third story or a roof too steep to walk; gutters that have not been touched in years; guards that have to come off and go back on.
Twice a year for most houses: once after the spring seed and pollen drop, once after the last leaves fall.
Across California, spring visits run mid to late June and fall visits run late November to December. Atmospheric rivers across California deliver most of the year's rain in a handful of days, so a gutter that is full before the storm is the one that spills. Diamond Bar gets about 16.3 inches of rain a year, and its wettest months are January, February and December. On local lots, the spring visit clears the seeds, seed casings and pollen packed into the downspout elbows and the rain gutter, and the fall visit clears the leaves and debris that turn into a wet mat before the wettest months.
Under heavy tree cover, with big trees hanging over the roof, the gutter fills faster and the interval gets shorter, because needles and grit pack the downspout between visits. Mulched landscape beds along the eave shed grit the same way, so they shorten the interval too. Clogged downspouts are usually the first thing that overflows in a storm, and water that keeps going over the edge rots the fascia and can become structural damage within a few seasons. If a run starts to sag, it holds water and overflows sooner. Your gutters exist to move water away from the house, and a full run cannot do that. With few or no trees, a single visit to clean the runs in the late November to December window is usually enough. Near a busy road or a construction site, the grit alone can justify a shorter interval. Gutter guards cut the frequency, but the surface still needs clearing and the downspout still needs checking.
After the first visit we tell you which tier your lot actually needs, based on what we found in the gutter rather than a general rule. We also clean gutters on commercial properties, and the schedule for those is set building by building. Call (866) 435-6328 or text us a photo of the gutters to book a date in either window.
Water over the edge rots the board behind the gutter first. Everything after that is slow, and slow is what a policy excludes.
The three signs. Water pouring over the front edge in rain instead of out of the downspout. A run that sags, sits low or has pulled away from the fascia. Plants growing out of the trough. Any one of them means the gutter is full.
What happens next. Water that cannot drain sits in the trough and spills behind it. The fascia board rots, then the soffit. Water backs up under the first course of shingles and shows up as a ceiling stain. Siding stains and swells. Below, the overflow cuts a channel at the foundation and finds the basement. The wet debris itself weighs enough to pull the gutter off the house. Standing water breeds mosquitoes; dry debris houses wasps. Where winters freeze, the trapped water becomes an ice dam at the eave and lifts the shingles from underneath.
Why your policy will not pay. Homeowners insurance generally does not cover water damage traced to clogged gutters. Carriers class gutter cleaning as routine maintenance, and damage from skipped maintenance as preventable neglect, which a standard policy excludes. A limb that tears a gutter off in a storm is sudden and accidental and is usually covered; a fascia board that rotted over two years is not. This is general information, not insurance advice; read your policy or ask your agent.
Guards stop leaves. They do not stop needles, seeds, grit or the paste they turn into. The job gets shorter, not gone.
Yes, guarded gutters still need cleaning, less often, and it is a different job: clearing what sits on top of the guard and checking that water is actually getting in, rather than scooping out the trough. Mesh and screen guards hold whole leaves off. Pine needles thread through, seed casings and pollen mat on top, roof grit settles underneath, and once that mat is wet, rain runs over it and off the front edge. The gutter is empty and the water never went in.
Guards earn their keep under big leafy trees and on roofs too high to want to climb. They do not end maintenance, whatever the installer said. Our crew lifts the panels, clears underneath, flushes the downspouts and reseats the guards; tell us what is on the house when you get the quote and it is priced as a guarded system, which usually runs shorter than an open one.
Under an hour on most houses. Nobody has to be there, and the photos arrive either way.
The crew calls the day before with an arrival window and again when they are on the way. This Old House puts a professional gutter cleaning at 30 minutes to an hour on a typical home; bigger houses, steep roofs and gutters left for years run longer. Nobody needs to be home for exterior work; the crew does not come inside. Before they arrive: side gate unlocked, cars off the driveway if runs face it, pets inside while ladders are up. Ladder stand-offs keep the ladder off the gutter lip and the siding. After: photos of every run and downspout before the truck leaves, and an invoice that matches the quote.
Send us a photo or a short video in the rain. You hear what it is before anyone talks about money.
Still overflowing. A gutter that is clean and still sheets water over the edge in rain has a slope, capacity or downspout-size problem, not a debris problem. If that happens after a cleaning, send us a photo or a short video of it in the rain and we tell you what it actually is; we do not sell a second cleaning for a slope problem.
The number. The price quoted on the phone is the price on the invoice. If the crew finds something that changes the job, you hear it and agree to it before they start, never after.
Your house. Stand-offs on every ladder so nothing rests on the gutter lip, and screens and downspout extensions go back where they were.
Payment. The balance is charged when the job is finished and the photos are on your phone. Some dates take a small booking fee to hold the slot, and you hear about it before you book.
The whole city and the towns around it, booked by phone or text from the nearest crew.
Our gutter cleaning service covers Diamond Bar and surrounding areas, and the quote comes by phone or text from your stories, your size and your tree cover, with a photo of the front of the house if that is easy to send. Call (866) 435-6328 to book, and we confirm a date when you call so you know when the crew is coming. The calendar fills in the two busy windows of the year, spring and fall, so book early if you have a fixed date in mind.
Homeowners here get the same crew and the same photos on every visit, and Diamond Bar homes are quoted the same way. We call before we come, and nobody needs to be home, because the crew works from the outside and does not come in. Keeping the gutters and roofline clear is the simplest way to protect your home from water damage. If you have a gate code or a driveway that needs clearing, tell us when you book. If you would rather clean your gutters yourself between visits, the photos from each visit show you exactly which runs need attention.
We do residential and commercial work on a per-building schedule, and the same crew handles both. Our gutter cleaning services cover residential properties and commercial properties alike, and regular gutter cleaning is priced building by building. Most of this page is about houses, so if you own a building as well, ask us to clean and price that separately.
The number comes from how many stories the house has, how big it is and how much is packed in the gutters. Text us a photo of the front of the house or call (866) 435-6328 for an estimate, and we will give you a number on the spot. The quote is the number you pay.
Across California, spring visits run mid to late June and fall visits run late November to December. In spring we find seeds and pollen packed in the downspout elbows; in fall it is the leaf load before the wettest months. Keep your gutters clean through both windows, because if you wait past the fall visit, the wet leaf mat is what we find when we open the run.
Same-day depends on the calendar that week, so ask when you book and we will tell you honestly what we have. We confirm a date when you call.
No. Our crew works outside, does not come inside, and sends photos of every run and downspout to your phone before the truck leaves. Leave the side gate unlocked and keep pets inside while the ladders are up.
Yes, every downspout is flushed and we check that water leaves at the outlet. If a line drains into the ground and it is not clearing, we tell you, and clearing a buried line is a separate job that we price before we touch it. Flushing is part of every gutter services visit, not an add-on.
Yes. Guards keep the big leaves out of the gutters and downspouts, but on our jobs the needles, seed casings and grit sit on top of the guard and turn into a paste that stops the water getting in. The surface still needs clearing and the downspout still needs checking, so the job gets shorter rather than going away.
If a gutter is clean and still spilling over the front edge in rain, the problem is slope or downspout size, not a clog. Send us a photo or short video in the rain and we will tell you what it is; we do not sell a second cleaning for a slope problem. A run that keeps spilling can rot the fascia, so send the photo early.
It should not. The quote is built from your stories, size and tree cover, and the price includes debris removal and the flush. If the crew finds something that changes the job, you hear about it and agree to it before work starts, never on the invoice.
Stories, size and a photo of the front by text. That is a real number, not an appointment.
