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San Diego building permits

Verified

San Diego, California — as published 2026-09-13.

Verified 2026-09-11 · Source

Codes adopted

2025 California Building Standards Code (CBSC), Title 24 California Code of Regulations - the City's own document records that it 'has been adopted by the State of California and will be effective on a statewide basis on January 1, 2026.'San Diego's local amendments to the 2025 CBSC are published by DSD. CAUTION: the adoption document is headed 'Proposed Local Amendments 2025 California Building Standards Code' and says the City 'proposes to adopt by reference certain parts of the CBSC'. It is dated Thursday August 28, 2025 and revised 2-13-2026. Confirm the enacted status with DSD before relying on any individual local amendment.

Permit types & fees

Residential Building Permit (Combination Building - Single Dwelling Units, ADUs and Duplexes)

Verified

San Diego states the trigger broadly: 'A Building Permit is required to construct any new structure or improve existing buildings and other structures.' Applicants choose a record type, and the residential one is 'Combination Building - Single Dwelling Units, ADUs and Duplexes'.

Verified 2026-09-11 · Source

Requirements

  • Check the exemption list first. The City directs applicants to 'review the list of projects in the San Diego Municipal Code 129.0203 exempt from a Building Permit.'
  • 'Building construction plans and other documents must be submitted for review to ensure that construction projects comply with federal, state and local standards'.
  • Historic review may be triggered by AGE ALONE: a project 'On a site containing a structure of 45 years or more.', 'Designated historic.' or 'In a historic district.' may require it.
  • 'For modifications to buildings 45 years or older, submit a photographic survey and copy of the building record from the County Assessor .'

Required documents

  • RequiredBuilding construction plansPrepared per the City's Requirements for Digital Plans and Documents, using the Building Permit Template.
  • RequiredStorm Water Requirements Applicability Checklist (DS-560)The City lists it 'completed and signed for all projects except interior alterations.'
  • OptionalWater Meter Data Card (DS-16)Listed as 'completed for any project that includes new or changes to plumbing fixtures'.
  • RequiredProject Contacts Information (DS-345)Listed among the documents to obtain or complete for a building construction permit.

Fee schedule

Fee typeAmountNotes
General Plan Maintenance Fee$737.00Charged once per project at application, per Information Bulletin 501.
Mapping Fee$12.16Per Information Bulletin 501. Charged when plans, drawings, maps or other geographical documents are used for project review.
Plan check and inspection - Res-SDU/DUPPlan check base $8,085.26; inspection base $8,401.90
Fee Table 501A row 'Res-SDU/DUP (Single Dwelling Unit /Duplex/detached Group R-3 ADU over 500 or addition/remodel, including attached ADU/JADU over 1,100 SF)'. Show full citation

Fee Table 501A row 'Res-SDU/DUP (Single Dwelling Unit /Duplex/detached Group R-3 ADU over 500 or addition/remodel, including attached ADU/JADU over 1,100 SF)'. The table pairs a base rate with a base square footage of 3,000 and increment rates of $4.10 (plan check) and $4.21 (inspection). The table's own footnotes govern how the increments apply; they are not restated here.

Lead Hazard Prevention Fee$58.00Issuance fee, per Information Bulletin 501.

Commercial Building Permit (Building - All other buildings)

Verified

The same Building Permit governs non-residential work; the record type is 'Building - All other buildings (multi-dwelling, commercial, industrial, all others)'. San Diego also runs a same-day route for qualifying office work.

Verified 2026-09-11 · Source

Requirements

  • 'Building construction plans and other documents must be submitted for review to ensure that construction projects comply with federal, state and local standards'.
  • Professional Certification is limited by size and by who designed it: 'same-day permit for office tenant improvement projects up to 20,000 square feet that are designed by a licensed California architect or engineer.'
  • 'After an application is submitted online, a virtual appointment is required to obtain the permit.'
  • 'Hazardous Materials Reporting Form (DS-165) completed and signed for all non-residential projects'.

Required documents

  • RequiredBuilding construction plans, calculations and (as required) a geotechnical reportSubmitted by facility type - the City separates 'Commercial, Industrial Buildings and all Other Structures' from single dwelling unit and duplex submittals.
  • RequiredHazardous Materials Reporting Form (DS-165)Required for all non-residential projects, with exceptions the City lists (retaining walls, fences and others).

Fee schedule

Fee typeAmountNotes
General Plan Maintenance Fee$737.00Charged once per project at application, per Information Bulletin 501.
Mapping Fee$12.16Per Information Bulletin 501. Charged when plans, drawings, maps or other geographical documents are used for project review.
Plan check and inspection - New CommercialPlan check base $4,566.31; inspection base $1,570.80Fee Table 501A row 'New Commercial', with a base square footage of 3,000 and increment rates of $1.57 (plan check) and $0.48 (inspection). Table footnotes govern.
Plan check and inspection - High RisePlan check base $11,567.82; inspection base $10,350.16Fee Table 501A row 'High Rise', base square footage 50,000, increments $0.24 and $0.24.
Storm Water Inspections$1,466.11Issuance fee, per Information Bulletin 501.

Electrical Permit

Verified

San Diego requires an electrical permit for all electrical work and names EV charging explicitly: 'An Electrical Permit is required for all electrical work, including Electric Vehicle Charging Systems (EVCS).'

Verified 2026-09-11 · Source

Requirements

  • WHO MAY HOLD IT IS RESTRICTED: the permit 'can only be issued to a licensed California State Contractor authorized to perform electrical installations or to the property owner or lessee.'
  • 'Please ensure your proposed scope of work does not require a Building Permit .'
  • Scope determines whether a simple no-plan permit or a plan permit applies; the City points to Information Bulletin 103.

Required documents

  • RequiredOnline applicationSimple no-plan electrical permits for minor work are obtained online; plan permits follow the plan submittal route.

Fee schedule

Fee typeAmountNotes
Electrical permit feesPer Information Bulletin 103Mechanical, electrical and plumbing/gas fees sit in IB-103, NOT in IB-501, which covers structures. No dollar figure is published on the Electrical Permit page itself.

Plumbing/Gas Permit

Verified

San Diego titles this permit Plumbing/Gas. It 'is required for the alteration, addition or replacement of a plumbing system or portion of a plumbing system within or on any structure or premises'.

Verified 2026-09-11 · Source

Requirements

  • The stated purpose is minimum-standards compliance: the permit exists 'to comply with the minimum standards necessary to safeguard public health, safety and welfare.'
  • Scope decides the track: a plumbing/gas permit 'may be a Simple "No-Plan" Plumbing/Gas Permit or a Plan (required) Plumbing/Gas Permit .'
  • Information Bulletin 103 determines whether the scope qualifies for the simple no-plan route.

Required documents

  • RequiredOnline applicationSimple no-plan plumbing/gas permits are obtained online; plan permits follow the plan submittal route.

Fee schedule

Fee typeAmountNotes
Plumbing/gas permit feesPer Information Bulletin 103IB-103 covers mechanical, electrical and plumbing/gas. The Plumbing/Gas Permit page publishes no dollar figures.

Mechanical Permit

Verified

San Diego writes the mechanical trigger as a prohibition: 'No part of heating, ventilating, air conditioning or refrigeration systems shall be installed, altered, replaced or repaired unless a Mechanical Permit has been obtained for the work.'

Verified 2026-09-11 · Source

Requirements

  • 'Mechanical Permits ensure that projects comply with the minimum standards that help safeguard life or limb, public health, property and welfare.'
  • Scope decides the track: a mechanical permit 'may be a Simple "No-Plan" Mechanical Permit or a Plan (required) Mechanical Permit .'
  • The simple route is limited by the property's historic status - it is available 'for all non -historically or potentially designated properties only'.

Required documents

  • RequiredOnline applicationHomeowners, property owners and licensed contractors can obtain a simple no-plan mechanical permit for minor installations.

Fee schedule

Fee typeAmountNotes
Mechanical permit feesPer Information Bulletin 103IB-103 covers mechanical, electrical and plumbing/gas. The Mechanical Permit page publishes no dollar figures.

Demolition/Removal Permit

Verified

Demolition is permitted through DSD under Information Bulletin 710. Historic review can apply here as it does to construction, and the City addresses sewer capping directly.

Verified 2026-09-11 · Source

Requirements

  • The sewer obligation stands on its own: the City notes work must be done in an approved manner 'regardless of whether a demolition permit is required.'
  • 'A separate permit is not required to cap the sewer.'
  • Historic review may apply where the project is on a site with a designated historical resource; see Information Bulletins 580 and 581.

Required documents

  • RequiredInformation Bulletin 710 - Building Demolition/RemovalThe City's demolition/removal instructions.
  • OptionalRequest for Building & Demolition/Removal Permit Extension, DS-117Used to extend a demolition or removal permit.

Fee schedule

Fee typeAmountNotes
General Plan Maintenance Fee$737.00Charged once per project at application, per Information Bulletin 501.
Demolition/removal permit feesPer Information Bulletin 501 and the City's fee pagesThe Demolition Permit page publishes no dollar figures; fees are set by the published schedules.

Accessory Dwelling Unit / Junior Accessory Dwelling Unit Permit

Verified

San Diego runs ADUs and JADUs through the building permit with no way around it: 'A Building Permit is required to create an ADU or JADU. There are no exemptions.' Which permit issues depends on scale - 'Depending upon the number of dwelling units created by the ADU(s), either a Combination Building Permit or a Building Permit will be issued.'

Verified 2026-09-11 · Source

Requirements

  • The unit must be self-contained: an ADU 'is an attached or detached residential dwelling unit that provides complete independent living facilities for one or more persons and is located on a lot with a proposed or existing primary residence.'
  • It 'must include permanent provisions for living, sleeping, eating, cooking and sanitation on the same lot as the primary residence.'
  • A JADU is a narrower category: it 'is a unit that is no more than 500 square feet in size and contained entirely within a single-family residence.'
  • OWNER-OCCUPANCY APPLIES TO ONE CASE ONLY: 'The JADU or single-family residence must be owner-occupied if the JADU shares sanitation facilities with the existing structure.'
  • Size bands differ by type - the City's comparison table gives an ADU '150 - 1200 square feet' and a JADU '150 - 500 square feet'.

Required documents

  • RequiredBuilding permit application (or Combination Building Permit)Which of the two issues depends on how many dwelling units the ADU work creates. The City also publishes Preapproved ADU Plans and an ADU Bonus Program.

Fee schedule

Fee typeAmountNotes
General Plan Maintenance Fee$737.00Charged once per project at application, per Information Bulletin 501.
Plan check and inspection - Res-SDU/DUPPlan check base $8,085.26; inspection base $8,401.90Fee Table 501A's residential row expressly names ADUs: 'Res-SDU/DUP (Single Dwelling Unit /Duplex/detached Group R-3 ADU over 500 or addition/remodel, including attached ADU/JADU over 1,100 SF)'. Table footnotes govern; smaller ADUs may fall outside this row.

Sources & verification

Verified against official sources. Last reviewed 2026-09-11.

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 San Diego building department before you submit. PermitBase is an independent reference and is not affiliated with any government agency.

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Permalink: /california/san-diego-county/san-diego/as-of/2026-09-13/

Snapshot date: 2026-09-13

Commit: 14761ef

Reproducible from PermitBase’s version-controlled dataset, commit 14761ef.