Contra Costa County, California Building Permit Cost Calculator
Estimates permit cost in Contra Costa County from the city's own published fee schedule — not a national average. Every figure is computed from a rule quoted verbatim from that document, and rules that cannot be computed honestly are shown as the published text instead of a number.
217 jurisdictions with fee schedules on file
Total cost of work, labor and materials
Used by cities that price per square foot
Fences and retaining walls
Electrical permits priced by the ampere
Deck Permit
These lines are alternatives, not a running bill. Pick the one that describes your project and any percentage-based add-ons will be calculated from it.
○Deck valuation, Building Valuation Data Supplement $25.13 x 2,000 = $50,260.00 | $50,260.00 |
Plan review, improvement value up to $2,000 $49 plus $8.94 for each additional $1,000 or fraction thereof above $2,000 | see rule |
Building inspection, improvement value up to $2,000 $75 plus $13.75 for each additional $1,000 or fraction thereof above $2,000 | see rule |
How this jurisdiction calculates the fee
Building permit fees are computed from improvement value using the schedule's plan review and building inspection tables, and deck valuation is set by the Building Valuation Data Supplement.
Source: published fee schedule · Verified 9/15/2026
Electrical Permit
These lines are alternatives, not a running bill. Pick the one that describes your project and any percentage-based add-ons will be calculated from it.
Electrical inspection, addition or alteration to dwelling unit, improvement value up to $2,000 $75 plus $0.14 for each additional $1,000 or fraction thereof above $2,000 | see rule |
Electrical inspection, addition or alteration to dwelling unit, improvement value $25,000 $78 plus $1.98 for each additional $1,000 or fraction thereof above $25,000 | see rule |
Electrical Permit (Other) $75.00 minimum | see rule |
How this jurisdiction calculates the fee
An electrical permit is required for all electrical work regulated by the Electrical Code; residential electrical inspection fees are computed from improvement value, work without its own fee table uses the building permit fee table with a $75.00 minimum, and electrical work performed in conjunction with a building permit may be added to that permit without a separate electrical permit.
Source: published fee schedule · Verified 9/15/2026
Fence Permit
These lines are alternatives, not a running bill. Pick the one that describes your project and any percentage-based add-ons will be calculated from it.
○Fences greater than 7 ft, Building Permit / Inspection, chain-link or wood Flat fee $116.00 | $116.00 |
○Fences greater than 7 ft, Plan Check, chain-link or wood Flat fee $76.00 | $76.00 |
○Fences greater than 7 ft, Building Permit / Inspection, other materials Flat fee $172.00 | $172.00 |
○Fences greater than 7 ft, Plan Check, other materials Flat fee $345.00 | $345.00 |
How this jurisdiction calculates the fee
The adopted schedule prices fences taller than 7 feet as flat miscellaneous permit fees that vary by fence material.
Source: published fee schedule · Verified 9/15/2026
Retaining Wall Permit
These lines are alternatives, not a running bill. Pick the one that describes your project and any percentage-based add-ons will be calculated from it.
○Retaining wall valuation, concrete or CMU $16.75 x 2,000 = $33,500.00 | $33,500.00 |
○Retaining wall valuation, wood $8.39 x 2,000 = $16,780.00 | $16,780.00 |
Plan review, improvement value up to $2,000 $49 plus $8.94 for each additional $1,000 or fraction thereof above $2,000 | see rule |
How this jurisdiction calculates the fee
Permit fees are computed from improvement value; the Building Valuation Data Supplement values retaining walls on the projected square-foot area of wall and footing, by material.
Source: published fee schedule · Verified 9/15/2026
Shed Permit
These lines are alternatives, not a running bill. Pick the one that describes your project and any percentage-based add-ons will be calculated from it.
Plan review, improvement value up to $2,000 $49 plus $8.94 for each additional $1,000 or fraction thereof above $2,000 | see rule |
Building inspection, improvement value up to $2,000 $75 plus $13.75 for each additional $1,000 or fraction thereof above $2,000 | see rule |
How this jurisdiction calculates the fee
Sheds requiring a permit are charged from improvement value using the plan review and building inspection tables of the adopted Land Development Fee Schedule.
Source: published fee schedule · Verified 9/15/2026
Water Heater Permit
These lines are alternatives, not a running bill. Pick the one that describes your project and any percentage-based add-ons will be calculated from it.
Plumbing Permit (Other) $75.00 minimum | see rule |
Plumbing inspection, addition or alteration to dwelling unit, improvement value up to $2,000 $75 plus $0.14 for each additional $1,000 or fraction thereof above $2,000 | see rule |
How this jurisdiction calculates the fee
A plumbing permit is required for all plumbing work regulated by the Plumbing Code; fees for plumbing work without its own fee table in the schedule are calculated using the building permit fee table with a $75.00 minimum, and where the work is performed in conjunction with a building permit the fee may be added to that permit without a separate plumbing permit.
Source: published fee schedule · Verified 9/15/2026
See the full write-up: Contra Costa County building permit cost
Estimate only.Fee schedules change, and building departments set the final valuation and decide which fees apply to your scope. Confirm with the jurisdiction before budgeting. Lines marked “see rule” could not be computed from the published wording and are shown verbatim rather than guessed.