How Often Should You Clean a Headstone?
Most families think about headstone cleaning once — usually after a holiday visit, when they notice the stone looking darker than they remembered. But headstones aren't a one-time project. Like any structure exposed to the elements, they need consistent care. And the answer to “how often?” depends on a few factors worth understanding.
The Short Answer
For most headstones in Utah, a professional cleaning every one to two years is the right cadence. Stones with active biological growth — lichen, algae, or moss that's already established — may need attention sooner, especially if they've gone without care for several years. In those cases, a deep restoration clean followed by annual maintenance is the typical approach.
If you're unsure where your family's stone falls, take a recent photo and look at the surface closely. You'll often see more than you notice when you're standing there in person.
What Accelerates Deterioration in Utah
Utah's climate puts specific pressure on stone that's different from what you'd see in milder regions — and it's worth knowing what you're up against.
Hard water and sprinkler exposure. Utah County cemeteries often sit in areas with automated irrigation systems, and Utah's tap water is among the hardest in the country. Over time, mineral-rich water leaves behind calcium and magnesium deposits — a white, chalky buildup that accumulates at the base of markers and along carved edges. This is a Utah-specific problem that families visiting from out of state are often surprised to see.
Lichen in a lichen-active zone. Utah County falls in a climate zone where lichen thrives. Lichen isn't just cosmetic — it's a living organism that bonds to stone and very slowly digests the surface. In shaded plots with less UV exposure and higher humidity, lichen can re-establish within 12–18 months after a cleaning. Sunny plots tend to see slower regrowth.
Stone type matters. Marble is significantly more porous than granite, which means it absorbs moisture, biological growth, and pollutants more readily. A marble headstone in Utah County will almost always need more frequent care than a comparable granite marker. We cover this in more detail in our guide to marble vs. granite headstone cleaning.
Shade vs. full sun. Shaded plots stay moist longer, which accelerates biological growth. A stone tucked under a tree will typically show more algae and lichen buildup in the same period than a stone in full sun — even if both were cleaned on the same day.
Signs It's Time for a Cleaning
Even if you had the stone cleaned recently, these are signs the growth cycle is outpacing your schedule:
- Dark staining returning. If you can see the stone darkening again — particularly near the base or on the face — biological growth is re-establishing. This is normal, but it's your signal to book sooner rather than waiting for the full cycle.
- Lichen spots reappearing. Small gray-green patches or textured dots are lichen in its early stages. It's much easier to remove now than after another year of growth.
- Lettering harder to read in photos. Take a photo of the inscription. If the dates or name are less legible than they were in a previous photo, surface buildup is the likely culprit — not just light.
If you're seeing any of these on a stone that was cleaned within the last 12 months, the stone may need a shorter maintenance interval going forward.
The Case for Annual Maintenance
Think of annual headstone care the way you'd think of a lawn service or a gutter cleaning. When you keep up with it consistently, you never reach a crisis point. The stone stays clean, the growth never fully takes hold, and each cleaning takes less time and effort than the one before.
The alternative — waiting until the stone reaches a heavily neglected state — often means a full restoration process: longer appointments, stronger treatments, and sometimes results that can't fully reverse years of accumulated damage. Marble is especially unforgiving once lichen has been embedded for a decade or more.
I started Sacred Stone Co. because I kept hearing from families who waited — and then faced a much bigger project than they expected. Our Annual Care Plan is designed specifically for families who want this handled without thinking about it. For $149/year, we come to the cemetery once a year, assess the stone, and clean it using archival-safe D/2 biological solution. No reminders, no scheduling hassle, no wondering whether it's been long enough. It runs in the background while you focus on the things that matter.
— Jacob Bingham, Sacred Stone Co.
Can You Do It Yourself?
For light surface dust or fresh debris, yes — a soft natural-bristle brush and clean water is all you need.
For biological growth, the honest answer is no — and attempting it with the wrong products can cause real damage. Bleach is the most common mistake: it looks like it's working, but it accelerates surface deterioration and can permanently discolor stone. Pressure washing is another — the force strips surface material from porous stone, especially marble, and can chip carved lettering.
We walk through the safe approach in detail in our guide on how to clean a headstone safely. But for anything beyond light surface cleaning, professional service is the right call — not because it's complicated, but because the cost of getting it wrong is permanent.
Set Up a Regular Schedule
If you're in Utah County and want to stop worrying about this, Sacred Stone Co.'s Annual Care Plan handles it for $149/year. Once a year, we come to the cemetery. The stone stays clean, the growth never gets ahead of you, and your family always arrives to a memorial that looks the way it should.
Ready to get started? Contact us and we'll confirm the cemetery location and get you on the schedule.