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Paver Patio Installation in Seattle

The difference between a patio that is still flat in ten years and one that is rocking by the third winter is entirely underneath it. On Seattle's glacial till, water does not drain away downward — it sits on the hardpan and moves sideways, straight through whatever base was put down. A patio built on four inches of loosely tipped gravel will pump, settle and heave. Ours are built on a properly excavated, compacted, free-draining base with edge restraint that stops the field spreading. Customers tell us the base prep is what they noticed, which is a strange compliment for the part of the job nobody sees.

Typical range
$20–$50 per square foot installed
Best season
Peak season is March to September, when base material compacts properly and jointing sand can be dried in.
Payment
No deposit — you pay when the project is finished

Hand-fitted natural flagstone patio in a fenced back garden

What is included

A paved outdoor room built for a wet climate.

A patio you can actually use nine months of the year.

  • Concrete pavers

    The most forgiving surface in this climate. Individually replaceable, tolerant of small ground movement, and available in formats from tight setts to large-format slabs.

  • Poured concrete

    Clean, modern and seamless, with the trade-off that it cracks where it wants to rather than where you would like. We control it with proper jointing rather than pretending it will not happen.

  • Natural flagstone

    Hand-fitted irregular stone. The most labour-intensive surface we lay and the one that looks least like everyone else's garden.

  • Large-format slabs

    Fewer joints and a calmer surface, at the cost of needing a flatter, more accurate base — a large unit telegraphs a bad screed in a way a small sett hides.

  • Seat walls and steps

    Built as part of the same job rather than added later, so the base, the levels and the drainage all belong to one plan.

Why people call us

The problems this actually fixes.

  • An existing patio that rocks, ponds or has sunk against the house
  • A slab that sheds water toward the building instead of away from it
  • Moss and algae on a surface that never dries because it was laid flat
  • A back door that opens onto mud from October to April
  • Two levels connected by a step that was never quite right
  • A patio too small for the table it was built for

How we build it

6 stages, and the visible one is last.

Hand-fitted natural flagstone patio in a fenced back garden

Seasonality. Peak season is March to September, when base material compacts properly and jointing sand can be dried in. We build outside that window, but a February install takes longer and costs more in lost days.

  1. 01

    Set the levels and the falls

    Before anything is dug we work out where the water is going to go. A patio should shed water away from the house at a fall you cannot feel underfoot but the rain can find.

  2. 02

    Excavate to depth

    Deeper than most people expect — the finished surface is the top of a build-up, not a layer laid on the lawn.

  3. 03

    Build and compact the base

    Crushed rock in compacted lifts. This is where the job is won or lost and it is the layer a cheap quote thins down.

  4. 04

    Screed the bedding layer

    A consistent bedding course over the compacted base, screeded rather than eyeballed.

  5. 05

    Lay, cut and restrain

    Units laid to the pattern, cut cleanly at the edges, and locked in with edge restraint so the field cannot creep outward over time.

  6. 06

    Joint and compact

    Jointing sand vibrated in so the surface acts as one interlocked field rather than a collection of loose units.

What it costs

$20–$50 per square foot installed

That includes excavation, base preparation, edge restraint and drainage falls. Complex layouts, heavy cutting, natural stone and difficult access push toward the upper end and sometimes past it. Typical Seattle projects land between roughly $2,500 and $7,200.

That is a market range, not a quote. Your price is fixed in writing after we have seen the site, and it does not move once agreed.

  • No down payment

    No deposit is required to start. Payment comes after the work is finished — not before.

  • Fixed price, agreed up front

    A fixed, accurate price is guaranteed before the job starts. We do not quote low and raise it mid-project.

  • 0% interest for up to 6 months

    A 0% interest payment plan is available for up to 6 months.

  • Warranty on hardscaping

    Hardscaping work carries a warranty. Vegetation is excluded.

Paver Patios we have built

30 of ours, photographed on site.

In their words

What customers said about our paver patios work

Real Google reviews, unedited. We publish the ones that name the work rather than a generic five stars.

Denis Soltan

May 2026

Alex and Aden Landscaping did an amazing job on our patio made of pavers. Fast, professional, and high quality work. Much cheaper than system pavers quote I got earlier.
Paver patio

Jon Platner

May 2024

We recently hired Alex and team to install artificial turf and a paver patio in a new house we moved into. We're very happy with the quality of the work and outcome.
Turf & paver patio

Vicki Yousoofian

June 2023

We had such a super experience with Aden Landscaping. We worked with Alex and his team on a patio project.
Patio

Andrew Chung

July 2019

I worked with Alex. Upfront, honest and very transparent about the work we requested. As an overview, this is what we requested and had done.
Paver patio & tree removal

Before you call

Paver Patios questions we get asked.

Something not answered here? Call (425) 533-9734 and ask — we would rather talk it through than have you guess.

How deep does a paver patio base need to be in Seattle?

Deeper than the four inches often quoted. On our glacial till the subgrade does not drain, so the base has to do the draining and the load spreading at once. For a pedestrian patio we are typically excavating six to eight inches below the finished surface for the base build-up, plus the bedding layer and the paver itself. Where the ground is soft, where a vehicle will cross it, or where the lot is at the bottom of a slope taking water from uphill, it goes deeper and sometimes gains a geotextile separation layer. Anyone quoting a fixed depth without looking at your ground is guessing.

Pavers, poured concrete or flagstone — which is right for a Seattle garden?

Pavers are the default recommendation and it is not a close call in this climate. They tolerate the small ground movement that our wet winters and till subsoil produce, and if a section does settle or a unit is damaged you lift and reset that part rather than breaking out a slab. Poured concrete looks cleaner and costs a little less to install, but it will crack eventually and repairs are visible forever. Flagstone is the most characterful and the most expensive, because every stone is cut and fitted by hand. If you want something that looks unlike your neighbour's garden and you have the budget, flagstone; otherwise pavers.

Why is my existing patio rocking and how do you fix it?

Almost always an inadequate base rather than a problem with the surface. If the base was too shallow, was not compacted in layers, or was laid straight onto undisturbed clay-heavy till with no drainage, water gets underneath, the fines wash out, and voids form. The patio then moves under load — the classic rocking slab. Re-laying the surface without addressing the base buys you a year or two. The real fix is lifting the units, rebuilding the base properly with a free-draining compacted build-up, and re-laying. On a well-built original, the pavers themselves are usually fine and get reused.

What falls and drainage does a Seattle patio actually need?

A fall of roughly a quarter-inch per foot away from the house, which is enough for water to leave and shallow enough that you will never notice it underfoot or feel a table rock. Getting the number right is the easy part; the two things that go wrong are direction and destination. A patio laid dead level ponds and grows algae on the side that never dries. One laid falling toward the building sends water at the foundation, which is worse than ponding. And a fall that carries water off the paving into a spot with nowhere to go has moved the puddle rather than removed it, so the falls get set alongside where the water is going — a border drain, a soakaway, or a run out to an existing route. On a lot at the bottom of a slope, taking someone else's uphill water into account matters more than the patio's own falls.

How long before we can use it, and how much maintenance is there?

You can walk on a paver patio the day the jointing is compacted, and put furniture on it immediately. There is no curing period, which is one of the practical advantages over poured concrete — that wants several days before load and a good deal longer before it is fully cured. Maintenance is close to nothing: sweep it, wash it occasionally, and expect to top up the jointing sand somewhere between years three and five, sooner on a surface you pressure-wash regularly, because a pressure washer is what strips the joints. That is the whole list. There is no annual sealing requirement, no staining and no re-coating.

Landscape lighting washing a retaining wall above a lit patio at dusk

Get a fixed price for your patio.

We come out, look at the site properly, and put a fixed written price together. No deposit, and nothing changes once the price is agreed.

Usually done alongside

What tends to go with paver patios.

Covered outdoor kitchen and warm-toned deck beside a grey slab patio and turf lawn in a Magnolia garden

Decks & Wooden Structures

A deck whose substructure outlives the boards on top of it.

  • Composite & cedar decking
  • Stairs & railings
  • Pergolas & covered structures

$35–$90 per square foot installed

Light grey paver walkway with a charcoal border course under installation, edge restraint pinned along both sides

Pathways & Walkways

Get from the street to the door, and around the house, without mud.

  • Paver walkways
  • Flagstone paths
  • Stepping stones

$18–$45 per square foot installed

Two-tier block retaining wall with stone steps and new planting on a sloped side yard

Retaining Walls & Rockeries

Turn an unusable bank into flat, usable ground.

  • Interlocking block
  • Poured concrete
  • Natural rock & rockeries

$5–$45 per square foot of wall face

All 17 services →

Free estimate

Tell us about the project.

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Or call (425) 533-9734

Takes under a minute. No deposit is required to book work — you pay when the project is finished. Prefer to talk? Call (425) 533-9734

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