Computed decision comparison
Repipe vs spot repair cost
The modeled upfront totals are $9,465 for Full repipe and $1,293 for One-fixture spot-repair proxy, a difference of $8,172.
The full repipe side uses the 12-fixture default. The spot-repair proxy runs the same visible rates for one fixture, which isolates quantity without claiming a separate repair-rate source.
Side-by-side upfront cost
| Measure | Full repipe | One-fixture spot-repair proxy |
|---|---|---|
| Materials | $3,588 | $299 |
| Labor | $4,787 | $399 |
| Permits | $550 | $550 |
| Disposal | $540 | $45 |
| Planning range | $7,099–$12,778 | $970–$1,745 |
| Typical upfront total | $9,465 | $1,293 |
Full repipe derivation: Twelve-fixture repipe default. One-fixture spot-repair proxy derivation: One fixture using the repipe component rates.
Upfront, 10-year, and 20-year totals
| Horizon | Full repipe | One-fixture spot-repair proxy |
|---|---|---|
| Upfront | $9,465 | $1,293 |
| 10 years | Not modeled: no sourced lifespan | Not modeled: no sourced lifespan |
| 20 years | Not modeled: no sourced lifespan | Not modeled: no sourced lifespan |
When each model aligns with the decision
| Decision priority | Model comparison | Aligned option |
|---|---|---|
| Lower modeled upfront total | Difference $8,172 | One-fixture spot-repair proxy |
| Lower labor share | 50.6% vs 30.9% | One-fixture spot-repair proxy |
| Narrower published range | 1.80× vs 1.80× | Full repipe |
This table compares model properties; it does not recommend a material, system, repair, or replacement.
Open the underlying calculators
Comparison questions
Which option has the lower modeled upfront cost?
One-fixture spot-repair proxy is lower in the current static default by $8,172. This compares model records, not contractor proposals.
Are 10-year and 20-year replacement costs included?
No sourced lifespan field exists in the shared baseline store, so the site does not invent replacement cycles. Those horizon cells remain explicitly not modeled.
Do both options use the same source system?
Yes. Both are computed from the current baseline store and index snapshots. Any proxy, quantity normalization, or retained legacy factor is disclosed beside the option.