Artificial turf vs a lawn: the ten-year cost

Almost everything written about artificial turf is written by someone selling artificial turf, and it all ends the same way: it pays for itself. Sometimes that is true. It depends on how much water you buy, how large the yard is, and whether you were paying somebody to mow it.

The comparison has a shape worth understanding before you look at a single price. Turf is nearly all cost on day one and nearly nothing after — you rinse it, you brush it, you pull the odd weed at the edge. Grass is the opposite: cheap to start, then a bill every month for ten years. One curve is steep then flat, the other is shallow and never stops rising. They cross somewhere. This is about where, and about what moves it.

What the install actually costs

Turf is priced by area, and area is the number most people guess wrong. Measure it. A front strip on a small lot is a different job from a back yard, and the difference is not linear: mobilization, the crew day and the base material all land differently as the square footage grows.

Those are instant estimates, not final contracts, and they sit at the bottom of the option set deliberately. Full excavation with a deep compacted base, premium or pet-grade turf, tearing out an old lawn or a concrete slab, and drainage work on a yard that already puddles each move the number up. The estimate wizard prices those. The table above shows you the floor before the options, because that is the number every advert quotes and no advert explains.

What you are paying for under the grass

A turf install is nine tenths groundwork. In rough order:

1. Excavation. The old lawn or slab comes out and the grade drops far enough that the finished turf sits level with the paths around it.
2. Base material. Crushed aggregate, laid in lifts and brought to grade with fall on it.
3. Compaction. Plate-compacted in layers, not one deep pour walked over once. This is the step that decides whether the yard is still flat in year five.
4. Weed barrier over the compacted base.
5. Turf, cut to the shape of the yard with every panel laid so the blades run the same direction.
6. Seams, glued or stitched, trimmed so the joint disappears. A bad seam is the first thing an eye finds.
7. Infill, brushed in to stand the blades up, weight the turf down and stop it rippling.
8. Fasteners. Nails or staples through the perimeter and the seams into the compacted base.
9. Edging. A bender board, a paver course or a trenched edge so the perimeter cannot lift.

Two bids can quote the same square footage and describe different jobs. The cheap one is almost always cheap in the base: less excavation, thinner aggregate, one pass of the compactor instead of several. None of that is visible on the day it is finished, which is exactly why it is where the money gets cut.

How long it lasts, and what actually kills it

Warranty length and lifespan are two different claims. A turf warranty generally covers the fiber — color fastness and fiber loss under normal use — and generally excludes the things that actually end a lawn: the base, the seams, the infill, pets, and anything the manufacturer can call abuse or improper installation. Read what a warranty excludes before you weigh the number on the front of it.

What wears turf out, roughly in order:

• UV. Direct, unshaded Los Angeles sun is the harshest thing your lawn will meet, and a south-facing yard with no tree over it ages visibly faster than a shaded one installed the same week.
• Traffic. Wear is not spread evenly. Look at where you actually walk — the gate, the line to the barbecue, the strip in front of the door. Those lanes flatten first and they flatten early.
• Pets. Urine does less to the fiber than it does to the infill and the base beneath it. A dog yard needs the drainage and the infill specified for it up front, not retrofitted after the smell starts.
• Infill migration. Infill moves — downhill, into low spots, out of the walking lanes, and out of the yard entirely when someone blows leaves off it on full power. Thin infill lets the blades lie flat, and a flat pile is what makes turf read as a doormat.

Most turf does not fail so much as it looks tired. Blades lie down where you walk, the color goes flat in the sun, and it stops passing for grass at a glance. Topping up infill and brushing the pile back up genuinely extends the look, which is worth saying plainly: the running cost of turf is near zero, not zero.

It gets hot. Much hotter than grass.

This is the part left out of every sales page and it is the most common regret. Grass cools itself by evaporating water. Turf cannot. On a clear afternoon in direct sun, synthetic turf runs far above air temperature and far above the lawn it replaced — hot enough to be unpleasant barefoot, hot enough to matter for a dog's paws, and hot enough to matter for a toddler who falls on it.

What helps, in order of how much:

• Shade. A tree, a sail or an awning over the part you actually use does more for surface temperature than any product choice on the quote.
• Water. Hosing it down cools it quickly, but not for the rest of the afternoon.
• Cooling infills and lighter fibers. They help, and they are worth specifying, but they do not make turf feel like grass in full sun and anybody who tells you otherwise is selling.
• Timing and orientation. A yard that bakes from noon on, used by children at four, is a yard where heat is the deciding factor rather than a footnote.

If your yard is a shaded side return, heat is irrelevant to you. If it is an unshaded south-facing back yard where small kids play in the afternoon, heat should probably decide this on its own, whatever the ten-year math says.

Drainage, and what a dog does to a bad one

Water has to leave. Turf backing is perforated and the base is meant to be free-draining, so on a properly built yard rain and hose water go through the turf, through the aggregate, and away on the fall. That is the design. When it is not built that way — too many fines in the base, no fall, or turf laid straight over compacted clay — the water sits underneath instead.

With no pets, that shows up as puddles, a soft spot underfoot and moss creeping in at the edges. With a dog it shows up as smell, because urine goes where the water goes, and if the water is not leaving then neither is anything dissolved in it. That is the real cause of the odor people blame on the turf itself. A pet yard wants a base built to drain, an infill chosen for pets, and a rinse in the routine. Deodorizing spray on a base that does not drain is treating a symptom.

The other curve: what a lawn costs to keep

Grass is cheap to install and never stops charging you. Across ten years the recurring side is:

• Water, every summer, by a wide margin the largest line.
• Mowing — either your Saturday or a monthly bill.
• Fertilizer and weed control, a few times a year.
• Aeration, plus overseeding or patching wherever it thinned out.
• Repairs. Dog spots, dead patches, the corner that never took.
• Irrigation itself. Controllers, valves and heads fail, and a leak nobody notices for a month is a bill nobody forgets.

The water line is the one to get right, and you cannot get it right from an article. Southern California water is not sold at one rate. Bills are typically tiered — an allowance at a lower rate, with the price per unit rising steeply in the upper tiers, which is exactly where an irrigated lawn in August puts a household — on top of fixed service and meter charges you pay whether you irrigate or not. LADWP, Cal Water, Golden State and the smaller districts each set their own tiers and their own charges, and they change. Anyone quoting you a single number for what a lawn costs to water in LA is guessing.

So do this instead. Pull twelve months of your own bills and compare a peak summer month against a winter one. The gap is roughly what the yard drinks — not exactly, but far closer than any published average, and it already includes the upper-tier pricing that makes the summer months hurt. That gap, across the irrigating months, times ten years, is the honest right-hand side of this comparison. It is your number and nobody else can supply it.

Rebates, which come and go

Water agencies across Southern California have run lawn-replacement rebates for years, usually paid per square foot of grass removed. They open, they exhaust their funding, they come back with different rules. Two things are worth checking before you count on one: whether your own agency's program is open right now, and whether synthetic turf even qualifies — several programs have required living, low-water planting in the replaced area and excluded artificial turf outright. Read your supplier's current terms, and if the program wants a pre-inspection, book it before anything is torn out.

Where the break-even actually lands

The crossover is real, and it moves a great deal. The variables, in order of how hard they push:

• Your water rate and your usage. A large thirsty lawn on an agency with steep upper tiers crosses over years earlier than a small one on a flatter bill.
• Yard size. Install cost scales with every square foot; so does the water saved, but the mobilization you pay once gets cheaper per foot as the yard grows, which is why small yards and large yards behave differently.
• Who mows. If you pay a gardener monthly, that line alone can pull the crossing forward by years. If you mow it yourself and do not mind, it is not a cost in this math at all.
• How the install is built. A thin base that needs redoing inside the decade does not break even. It never breaks even.
• Rebates, if one is open and if turf qualifies for it.

Run it on one page: the install estimate above, against your own summer-versus-winter water gap plus whatever you pay to mow, times ten. If the yard is small and the water bill is large, turf usually crosses over inside the decade. If the yard is large, it often does not, because install cost scales with every square foot while the water you save per foot does not scale any faster.

Where each one genuinely wins

Turf, honestly

• Small yards, side returns and parkway strips, where the install is modest and the mowing is a nuisance out of all proportion to the area.
• Deep shade under a mature tree or between two buildings, where grass has never grown and never will.
• Rentals and second properties, where nobody is there to water on a schedule.
• Dog yards — with the base and infill built for it. Turf handles a dog far better than grass does.
• No time and no interest in having any. That is a legitimate reason and for most buyers it is the real one.

Grass, honestly

• Large areas. Install cost scales badly and the payback stretches out past the point where the turf itself is due for replacement.
• Unshaded yards used by children or dogs in the afternoon. Heat decides it and no infill fixes it.
• Anyone who likes mowing. If Saturday morning behind a mower is not a cost to you, half the case for turf disappears.
• Yards where you want what grass does and turf cannot: cooling, soil, insects, and a surface that repairs itself.

Resale and the HOA

Resale is close to a wash and depends entirely on the buyer. A clean, well-built turf yard reads as low-maintenance and drought-sensible to one buyer and as plastic to the next. A tired one, with flat walking lanes and seams you can trace from the patio, reads as a line on their repair list. It rarely returns what it cost, and a good install rarely subtracts.

Two things to check before you sign anything. California law limits how far a homeowners association can go in banning synthetic turf on a homeowner's own residential yard, but an association can still enforce reasonable design and quality standards — so read the CC&Rs and submit the application rather than assuming either answer. And check the city: turf on grade usually needs no building permit, but front-yard landscape rules, parkway rules and permeability requirements are set locally and differ across Greater Los Angeles.

Getting the install number

The estimate takes about two minutes: the area, the grade of turf, whether there is an old surface to remove, how the base is built, and whether the yard already has a drainage problem. It gives you a real price rather than a request to book a sales visit — an instant estimate, not a final contract, so a site check can move it if the yard is not what the answers described.

DPOC holds CSLB #999194. Every job runs under this licence — ours, not a subcontractor's, which is worth knowing on a trade where the base is buried by the end of the first day and you are trusting somebody's word about what went into it.