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This calculator vs. a flat $150-a-light special
“$150 a light installed” is not a price for landscape lighting — it is a price for one specific fixture, scope, and soil, quietly applied to every yard that calls in.
What a flat price per light is
A flat rate per fixture is the fastest way to quote a lighting job: multiply the light count by a number and read off a price. It is the number a homeowner holding a Facebook special or a competitor's flyer will call and ask you to match, whatever their yard actually needs.
The number behind it was set for one job — a handful of path lights on a transformer and wire that are already there, no trench, no new transformer, no wells — and then reused for every install afterward, whether or not the next job looks anything like the one the rate was built on.
What this calculator is
This page keeps no account and sends nothing to a server. You enter path, uplight, well, and hardscape fixture counts, trench length, scope (fixtures-only, new system, or an add-on), soil, transformer size, and extras like a photocell or a driveway saw-cut, plus your own labor hours and material costs. It prices the trench, the transformer, and every fixture type separately by kind, then returns the walk-away price and a bid price above your target margin — for this yard, not a generic one.
| What a flat price per light does | What this calculator does instead |
|---|---|
| Charges the same $/light whether the transformer and wire are already there or a new system needs trenching and a transformer, even though a new system adds trench hours, wire, and a transformer invoice no fixture count captures. | Prices scope separately — fixtures-only, new-system, or add-on — so a job that needs a trench and a transformer costs more than one that reuses what is already installed. |
| Has no line for soil, regardless of whether the trench runs through easy sandy lawn or irrigated turf that needs a sod repair. | Prices soil hours and turf-repair cost separately by soil kind, so an irrigated-turf trench costs more than a shovel trench through easy lawn. |
| Charges the same rate for a path stake as for a well light that needs a dig and a drain, or a hardscape fixture that needs fasteners on stone. | Prices each fixture type's own hours and material cost separately, so a wells-and-hardscape job costs more than the same fixture count of path lights. |
| Gives the estimator a number to quote, not a number to check a quote against. | Reports the walk-away price and the dollar gap against a flat per-light rate, so a shopped price can be scored against real cost before you commit to it. |
Two yards, the same fixture-blind rate
Using this calculator's own shipped presets, at its own shipped shop rates ($32/hr crew wage, 30% burden, 15% overhead, a 20% target margin):
| Job | This calculator's price | The flat $121.38/light rate | Gap |
|---|---|---|---|
| 6 path lights, existing transformer, no trench — the walkway special the rate is set from | $728.26 bid price; $582.61 break-even cost | $728.26 (exactly $121.38/light — this rate is fit to this job) | No gap on the job the rate was built on. |
| 20-fixture architectural install: 6 path, 8 uplights, 4 well lights, 2 hardscape, new 300W transformer, 180 LF trench through irrigated turf, driveway saw-cut | $5,773.11 bid price; $4,618.49 break-even cost | $2,427.53 | The rate quotes $2,190.96 below this job's own break-even cost — before a dollar of profit — and $3,345.58 below the calculator's own bid price. |
The $121.38/light rate is not invented — it is this calculator's own price on the walkway-special preset, divided by that preset's fixture count. It fits that one job by construction. Applied to the wells-and-trench architectural job, it counts only the twenty fixtures and never sees the transformer, the trench, the irrigated-turf soil work, or the saw-cut at all. Run your own yard's numbers in the calculator to see where it falls.
A flat per-light rate is not wrong because it is simple — it is wrong when it is applied outside the one yard it was built for, and nothing about a flat number tells you when that has happened. This calculator does not know your local market; it replaces the arithmetic a flat rate skips.
Common questions
Why does a flat price per light get a landscape lighting bid wrong?
Because the cost driver is scope (fixtures-only on an existing transformer versus a new system with trench and a transformer versus an add-on home-run), soil (easy lawn versus irrigated turf versus rocky ground), the transformer size, and fixture type (a path stake versus a well light that needs a dig and a drain) -- not a blended fixture count. A twenty-fixture architectural install with wells, a new transformer, and 180 feet of trench through irrigated turf is doing several jobs a six-path-light walkway on an existing transformer never touches, none of which scale with the light count the way a per-light rate assumes.
What does a flat price per light usually leave out entirely?
Trench footage and the soil it runs through, a new or larger transformer, the difference between a path stake, an uplight, a well light, and a hardscape fastener, and extras like a photocell, an astronomic timer, or a driveway saw-cut. A six-light walkway on an existing transformer is doing far less than a twenty-fixture job with wells, trench, and a saw-cut -- and a per-light number has no line for any of it.
How big is the pricing gap in practice?
On this calculator's own shipped presets, at its own shipped shop rates: six path lights on an existing transformer -- the walkway special -- prices at $728.26, or $121.38 a fixture. Applying that same $121.38 rate to a twenty-fixture architectural install (wells, a new 300W transformer, 180 feet of trench through irrigated turf, and a driveway saw-cut) quotes $2,427.53 -- $2,190.96 below that job's own $4,618.49 break-even cost, before a dollar of profit, and $3,345.58 below the calculator's own $5,773.11 bid price.
Is a flat price per light ever the right way to quote?
For a narrow band of near-identical jobs -- same scope, no trench, no new transformer, all path lights -- a per-light rate can land close, and on this calculator's own walkway-special preset it is exactly the rate that job supports, because it was set from that job. The risk is applying the same rate outside that band without noticing, because the rate does not know which yard it was built on and neither does the estimator until scope, soil, transformer, and fixture type are actually spelled out.
Does this calculator know what materials or labor cost in my market?
No. It has no data on local material or labor rates. It takes the fixture counts by type, trench length, scope, soil, transformer size, and extras, plus the labor hours, fixture and material costs, and wage you enter, and turns that into a price for this job -- the arithmetic a flat per-light rate skips, not a market survey.
Open the Landscape Lighting Bid Calculator to price your own job, or read how much to charge to install landscape lighting.