You are viewing the permanent link for the record currently in effect, published 2026-09-13.
Oakland building permits
VerifiedOakland, California — as published 2026-09-13.
Verified 2026-09-11 · Source
Codes adopted
Permit types & fees
Residential Building Combination Permit (RBC)
VerifiedOakland folds the trades into one permit for residential work. For 'building or remodeling a house, duplex, or ADU (Accessory Dwelling Unit)' the MEP work 'should be included in a Residential Building Combination Permit (RBC)'.
Verified 2026-09-11 · Source
Requirements
- THE BUNDLING RULE IS CONDITIONAL AND OAKLAND STATES IT: 'If you're building or remodeling a house, duplex, or ADU (Accessory Dwelling Unit) , the MEP work should be included in a Residential Building Combination Permit (RBC) , so you won't need separate MEP permits.' Outside that case the trades are separate permits.
- 'MEP Permits are separate from Building Permits. You must get all of them if your project needs them.'
- Oakland states the trigger for the trades broadly: 'You need a permit before you install, change, fix, or replace mechanical, electrical, or plumbing systems.'
Required documents
- RequiredApplication via the Online Permit CenterOakland tells applicants to 'make sure you're signed up at our Online Permit Center .' before starting.
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Residential Building Combination Permit (RBC) fees | NOT PUBLISHED on the pages read | Oakland's MEP and homeowner permit pages set out requirements and exemptions rather than dollar figures. An optional Plan Review carries 'an extra cost' which is not quantified on the page. |
Electrical Permit
VerifiedOakland issues electrical work as its own MEP permit: 'If you're doing any mechanical, electrical, or plumbing work, you usually need a separate permit for each type of work. These are called MEP Permits and they are different from a Building Permit.'
Verified 2026-09-11 · Source
Requirements
- 'You need a permit before you install, change, fix, or replace mechanical, electrical, or plumbing systems.'
- 'MEP Permits are separate from Building Permits. You must get all of them if your project needs them.'
- THE BUNDLING RULE IS CONDITIONAL AND OAKLAND STATES IT: 'If you're building or remodeling a house, duplex, or ADU (Accessory Dwelling Unit) , the MEP work should be included in a Residential Building Combination Permit (RBC) , so you won't need separate MEP permits.' Outside that case the trades are separate permits.
- Plans are usually not needed: 'Most MEP permits do not need plans .' An optional Plan Review may be requested for a complex project at extra cost, and 'Plan Review is required for projects related to cannabis growing or processing .'
- Oakland's published electrical exemptions include 'Plug-in string lights (like holiday decorations)'; 'Replacing wall outlets (not rewiring)'; 'Replacing circuit breakers with same type and size'.
Required documents
- RequiredApplication via the Online Permit CenterOakland tells applicants to 'make sure you're signed up at our Online Permit Center .' before starting.
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Electrical Permit fees | NOT PUBLISHED on the pages read | Oakland's MEP and homeowner permit pages set out requirements and exemptions rather than dollar figures. An optional Plan Review carries 'an extra cost' which is not quantified on the page. |
Plumbing Permit
VerifiedOakland issues plumbing work as its own MEP permit: 'If you're doing any mechanical, electrical, or plumbing work, you usually need a separate permit for each type of work. These are called MEP Permits and they are different from a Building Permit.'
Verified 2026-09-11 · Source
Requirements
- 'You need a permit before you install, change, fix, or replace mechanical, electrical, or plumbing systems.'
- 'MEP Permits are separate from Building Permits. You must get all of them if your project needs them.'
- THE BUNDLING RULE IS CONDITIONAL AND OAKLAND STATES IT: 'If you're building or remodeling a house, duplex, or ADU (Accessory Dwelling Unit) , the MEP work should be included in a Residential Building Combination Permit (RBC) , so you won't need separate MEP permits.' Outside that case the trades are separate permits.
- Plans are usually not needed: 'Most MEP permits do not need plans .' An optional Plan Review may be requested for a complex project at extra cost, and 'Plan Review is required for projects related to cannabis growing or processing .'
Required documents
- RequiredApplication via the Online Permit CenterOakland tells applicants to 'make sure you're signed up at our Online Permit Center .' before starting.
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Plumbing Permit fees | NOT PUBLISHED on the pages read | Oakland's MEP and homeowner permit pages set out requirements and exemptions rather than dollar figures. An optional Plan Review carries 'an extra cost' which is not quantified on the page. |
Mechanical Permit
VerifiedOakland issues mechanical work as its own MEP permit: 'If you're doing any mechanical, electrical, or plumbing work, you usually need a separate permit for each type of work. These are called MEP Permits and they are different from a Building Permit.'
Verified 2026-09-11 · Source
Requirements
- 'You need a permit before you install, change, fix, or replace mechanical, electrical, or plumbing systems.'
- 'MEP Permits are separate from Building Permits. You must get all of them if your project needs them.'
- THE BUNDLING RULE IS CONDITIONAL AND OAKLAND STATES IT: 'If you're building or remodeling a house, duplex, or ADU (Accessory Dwelling Unit) , the MEP work should be included in a Residential Building Combination Permit (RBC) , so you won't need separate MEP permits.' Outside that case the trades are separate permits.
- Plans are usually not needed: 'Most MEP permits do not need plans .' An optional Plan Review may be requested for a complex project at extra cost, and 'Plan Review is required for projects related to cannabis growing or processing .'
- Oakland's published mechanical exemptions include 'Portable heaters, fans, or coolers'; 'Pipes inside equipment (like heaters or air conditioners)'; 'Replacing small parts that don't change the equipment'; 'Stand-alone refrigeration units'.
Required documents
- RequiredApplication via the Online Permit CenterOakland tells applicants to 'make sure you're signed up at our Online Permit Center .' before starting.
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Mechanical Permit fees | NOT PUBLISHED on the pages read | Oakland's MEP and homeowner permit pages set out requirements and exemptions rather than dollar figures. An optional Plan Review carries 'an extra cost' which is not quantified on the page. |
Accessory Dwelling Unit (ADU) Permit
VerifiedOakland defines the unit and then splits it into named categories: 'An Accessory Dwelling Unit (ADU) is a small, self-contained home on the same property as a Single-Family or Multi-Family residence.' and it must include 'everything needed for independent living, like a kitchen, bathroom, and sleeping area.'
Verified 2026-09-11 · Source
Requirements
- A JADU is bounded by size AND occupancy: 'Junior ADU (JADU) - Converts existing space inside your home (like a bedroom or garage) into a small unit (500 sq. ft. max). Requires the owner to live on the property.'
- 'Category One ADU - Converts or rebuilds an existing space (like a garage or basement). No expansions are allowed, except for a small entrance (up to 150 sq. ft.).'
- 'Category Two ADU - Builds a new attached or detached structure on the property.'
- LETTING IS RESTRICTED BY DURATION AND NEEDS A LICENCE: in Oakland ADUs 'may be rented for long-term stays only (30 days or longer) with a Business License'.
- The MEP work belongs in the combination permit for an ADU - see the Residential Building Combination Permit.
Required documents
- RequiredApplication via the Online Permit CenterOakland tells applicants to 'make sure you're signed up at our Online Permit Center .' before starting.
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Accessory Dwelling Unit (ADU) Permit fees | NOT PUBLISHED on the pages read | Oakland's MEP and homeowner permit pages set out requirements and exemptions rather than dollar figures. An optional Plan Review carries 'an extra cost' which is not quantified on the page. |
Sources & verification
Verified against official sources. Last reviewed 2026-09-11.
Department & other records
Fees, timelines, and adopted codes are researched from each jurisdiction's published records — see how we verify. Requirements change and vary by project, so always confirm the current details with the Oakland building department before you submit. PermitBase is an independent reference and is not affiliated with any government agency.