How Much Does Septic System Installation Cost in Philadelphia, PA?
Average septic system installation costs in Philadelphia range from $15,054 to $20,367. Get a free, customized estimate below.
Septic System Installation Cost Breakdown — Philadelphia, PA
| Item | Unit | Qty | Unit Price | Total |
|---|---|---|---|---|
| Septic Tank (1500 gal) | each | 1 | $3680.00 | $3680.00 |
| Drain Field & Gravel | linear ft | 200 | $40.25 | $8050.00 |
| Excavation & Backfill | lump sum | 1 | $2070.00 | $2070.00 |
| Labor & Permits | hr | 40 | $97.75 | $3910.00 |
| Estimated Total | $17,710.00 | |||
* Prices are estimates based on Philadelphia market rates. Actual costs may vary based on project specifics.
Estimate
Ref ID: EST-2026-YFFI
Date Issued
May 6, 2026
Client
Project Details
Site Address
Start Date
End Date
Scope of Work
Materials
| Material Specification | Units | Amount | Ext. Total | |
|---|---|---|---|---|
$ | $3,680 | |||
$ | $8,050 | |||
$ | $2,070 | |||
$ | $3,910 |
Labor
| Service Specification | Type | Hrs | Rate | Ext. Total | |
|---|---|---|---|---|---|
Craftsmanship Guarantee | $ | $600 |
Contractual Agreements & Conditions
Total
$18,310
Draft
Frequently Asked Questions — Septic System Installation in Philadelphia
How much does septic system installation cost in Philadelphia, PA?
The average cost for septic system installation in Philadelphia, PA ranges from $15,054 to $20,367, depending on project scope, materials, and labor rates. Philadelphia costs are above the national average due to higher labor and material costs in the region.
How do I get a free septic system installation estimate in Philadelphia?
Use Brixor's free online estimate generator above. Enter your project details, customize line items for your specific needs, and download a professional PDF estimate instantly. No signup or credit card required.
What factors affect septic system installation costs in Philadelphia?
Key factors include project size and complexity, material quality, labor rates in Philadelphia (PA), permit requirements, accessibility of the work area, and seasonal demand. Getting multiple estimates is recommended.