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Roof Cleaning & Moss Removal in Walnut Grove

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This one is priced after we see the job — tell us what you need and we will come back with a number.

Starting at $400.

Walnut Grove's older river-town homes have had decades of humid river air to help moss take hold, more than newer construction built more recently nearby.

We rarely wash a roof, because washing is what damages it. Pressure strips the protective granules off shingles, and on soft roofing the damage is worse and not repairable by cleaning it again later. Driveways, patios and siding are a different story — those we do clean under pressure. So a roof gets two different treatments depending on what is growing on it. Heavy moss — the thick raised growth that has built up in the shade — comes off mechanically, with a brush. The flat lichen patches are a different problem: they hold on at the root, and scrubbing them just removes what you can see. For those the whole roof is sprayed with a treatment that kills the growth at the root, and over the next two or three weeks the lichen dies and blows off in the wind. That is why this service has a second visit built into it rather than ending when the crew packs up: we come back in two to three weeks to look at the result. What it costs depends on the size of the house, the pitch of the roof — which matters a great deal — the height of the building, and how close your neighbours are. When houses sit close together, some of what comes off the roof lands on the neighbour's property, and we clean that up too. A roof visit starts at $400.

Older Walnut Grove roofs are more likely to need moss treatment than newer construction, given the humid river setting.

What Roof Cleaning & Moss Removal includes — and what it does not

Included in the price

  • Heavy moss removed mechanically, with a brush
  • Whole-roof treatment that kills lichen and small moss at the root
  • A return visit two to three weeks later to check the result
  • Clean-up of what comes off the roof — including onto a neighbour's property, when houses sit close

Not included

  • Pressure washing the roof — it strips the protective granules off shingles and damages soft roofing
  • Roof repairs, replacement shingles and sealing — we clean, we do not re-roof
  • Gutter clearing — that is a separate service

How we do Roof Cleaning & Moss Removal

  1. We look at what is growing up there: heavy raised moss and flat lichen patches need different treatments.
  2. Heavy moss is brushed off mechanically.
  3. The roof is sprayed with a treatment that kills the remaining growth at the root.
  4. Over the following two to three weeks the lichen dies and blows off in the wind — nothing more is needed from you.
  5. We return in two to three weeks to see the result for ourselves.

Safety and limits

  • We do not pressure wash roofs: on asphalt shingle and soft roofing it removes the protective layer.

Recent work nearby — Citrus Heights

Moss removed from a shaded roof without a pressure washer, Citrus Heights

Moss removed from a shaded roof slope by hand, without a pressure washer, to protect the roofing material.

We checked the condition and the roofing material first and picked a method that material could take. Plants, the front of the house and the drainage runs were covered before we started. The loose debris came off by hand, and the affected areas were treated without a pressure washer. We photographed the treated sections when we finished.

Where we work in Walnut Grove

All of Walnut Grove is in our service area.

ZIP codes

95690

Walnut Grove sits in the Sacramento Delta, about 35-40 minutes south of Sacramento.

Nearby in Walnut Grove

Frequently asked questions

Why do you rarely wash a roof?

Because washing is what damages it. Pressure strips the protective granules off shingles, and on soft roofing the damage is worse — and not repairable by cleaning it again later.

Do older Walnut Grove roofs need more moss treatment?

Often, yes — decades of humid river air helps moss take hold more than newer construction.

How do you remove moss and lichen instead?

Heavy moss, the thick raised growth that builds up in the shade, comes off mechanically with a brush. Flat lichen is a different problem: it holds on at the root, so scrubbing removes only what you can see. For that the whole roof is sprayed with a treatment that kills the growth at the root.

Do you do the follow-up visit for Walnut Grove roof jobs?

Yes — the two-to-three-week follow-up applies the same as anywhere else we work.

Why is there a second visit?

Because the lichen dies over the following two or three weeks and blows off in the wind. We come back to look at the result — that visit is part of the service, not an extra.

What decides the price?

The size of the house, the pitch of the roof — which matters a great deal — the height of the building, and how close your neighbours are.

What happens to what comes off the roof?

When houses sit close together, some of it lands on the neighbour’s property. We clean that up too.

Where does a roof visit start?

At $400.

Do you cover all of Walnut Grove, including near Locke?

Yes — all of Walnut Grove is in our service area.

Is Walnut Grove part of your regular service area?

Yes — regular service, the same as anywhere else in the metro we work.

Who stands behind this page

Reviewed by The Kamarchuk Family, Owners. Last checked September 7, 2026.

Insured — $1M general liability

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