Septic permits in Simcoe County: every office, one page
Simcoe County does septic the municipal way: every town and township runs its own Part 8 program through its building department. That is good news — your septic and building permits live in the same office — but it means the details are local. Pick your municipality below.
The Simcoe rule: your LOWER-TIER municipality issues the septic permit — not the county, not the health unit. Same provincial forms everywhere; local fees, local inspectors, local ground.
Costs, permits, contractor vetting, and the owner-builder path — updated for the 2026 Building Code.
No spam. Straight talk from a builder.
Did you know you can design your own septic system?
Legally – as the owner, for your own property. Our designer does the Part 8 math, draws the site plan and cross-section, and fills the township forms.
Start here – free
2-minute Septic Check. Your flow, tank size, and risk level – plus what your lot is missing.
Homeowners – one project
Permit Package Builder – $99.99. Part 8 math, site plan, cross-section, filled township forms. Print and submit.
Installers + designers
Part 8 Designer Pro. Every project, every month – from $99/month.
Ontario law lets you do that part yourself, on your own property. OntarioSepticDesigner.ca turns your answers into the same 26-page package the township clerk sees every day — calculations, drawings, forms, all of it.
How Simcoe County handles septic
Unlike the health-unit counties to the east and north, Simcoe’s lower-tier municipalities administer their own sewage system programs. The provincial application package is identical everywhere — forms, worksheets, test-hole evidence, site plan, cross-section — but fees, intake and inspection scheduling are set town by town. Conservation authorities (NVCA on the west side, LSRCA on the Lake Simcoe side) add regulated-area review where mapping applies.
Pick your municipality
The $18,950 line that never appears on a quote
A real worked example: 3-bedroom bungalow, conventional bed. Tank supplied and set, pipe, stone, fabric, one day of machine and labour, permit allowance — $13,049 with HST. The same job quoted at $32,000. The gap is design fees, markup, and labour you may not need to buy.
Two minutes on the free checker shows the numbers your own lot generates — daily flow, tank size, risk level — before anyone quotes you.
The county’s three septic worlds
West side (Wasaga, Tiny, Penetanguishene): sand over seasonal water — fast perc, raised beds anyway. Center and east (Springwater, Oro-Medonte, Barrie fringe): moraine variability — test holes decide everything. South and the farm belt (Clearview, Essa, Innisfil inland): slower clays — bigger beds, honest budgets. What each looks like in dollars is on the Simcoe County cost page.
Simcoe County permit questions
Does Simcoe County issue septic permits?
No — the county’s lower-tier municipalities each administer their own Part 8 program through their building departments. Your town hall, not county administration.
Is the application the same in every Simcoe municipality?
The provincial forms and Code requirements are identical; fees, intake procedures and inspection scheduling are local. A complete package is complete everywhere.
Do conservation authorities get involved?
Where regulated mapping applies — NVCA along the Nottawasaga system and west side, LSRCA on the Lake Simcoe shore. Ask when you call your building department; they will know instantly.
Can I do my own septic paperwork in Simcoe County?
Yes — the owner-builder rules apply here like everywhere in Ontario. The exemption explained; the complete package list here.
One package, accepted at every Simcoe counter
The $99.99 builder produces the complete provincial application every Simcoe municipality reviews — and Georgian Bay Siteworks digs in this county if you want the machine work handled.

