Project-specific official finding
San Jose accessory dwelling unit permit path
San José publishes building-permit requirements for additions, conversions and accessory dwelling projects. Confirm property eligibility, unit type, planning conditions, fire separation and utilities.
- San José publishes building-permit requirements for additions, conversions and accessory dwelling projects.Supporting evidence set · reviewed August 9, 2026San José building-permit requirementsproperty eligibility, unit type, setbacks, building plans, fire separation and utilitiesSan José permit portal helpApplication, review or inspection workflow for the cited residential scope
- Confirm property eligibility, unit type, planning conditions, fire separation and utilities.Supporting evidence set · reviewed August 9, 2026San José building-permit requirementsproperty eligibility, unit type, setbacks, building plans, fire separation and utilitiesSan José permit portal helpApplication, review or inspection workflow for the cited residential scope
Application readiness
Project-specific application handoff
This separates confirmed filing facts from official starting routes and missing details. A mapped link is not presented as a verified fee, attachment list or parcel determination.
Still requires confirmation: application page, fee calculation, required documents, final closeout steps, parcel jurisdiction.
Where to start
This is an official city application hub; the exact record type still needs confirmation.
Open official SJPermits and SJePlans city application hub — select and confirm ADU building, zoning and multi-trade scopeWho may file
Use the California-licensed contractor or qualifying owner-builder role accepted by San José for the building and affected trade records.
How to verify cost
Use the official fee route after the record type and full scope are confirmed; no project total is asserted here.
Open official san jose fee routeSubmission materials
The direct evidence supports this preparation step, but not a complete attachment inventory: Give San José Building Division the site plan, zoning calculations, architectural and structural plans, energy and utility details and confirm the exact project scope and record before work begins.
Hold points and finals
- Foundation and framing when applicable
- Trade roughs and required finals
Final record proof
Use the official record and inspection systems to verify every related permit and final status; a project-specific closeout sequence is not asserted.
Verify the issuing authority
Use the city's incorporated-address check because county pockets can carry San José postal addresses without city permit jurisdiction.
San José incorporated-address checkLocal permit path
What the complete process can include
This separates required permits, who may apply, timing and inspections so a homeowner can plan from application through final approval.
Permits and approvals to check
- Planning or zoning approval
- Residential building permit
- Connected trade and utility approvals
Who files
Use the California-licensed contractor or qualifying owner-builder role accepted by San José for the building and affected trade records.
What controls the schedule
SJPermits and SJePlans track applications; planning, fire, utility, seismic and Santa Clara County jurisdiction can add separate review.
How the record closes
- Foundation and framing when applicable
- Trade roughs and required finals
A practical permit path
San José contains county pockets and is distinct from unincorporated Santa Clara County. Confirm the incorporated-city answer before using SJPermits.
Document the equipment, location, connections and any related structural, electrical, plumbing, fuel or fire work.
Ask San José Building Division which permit type applies and whether the homeowner or a locally qualified contractor must apply.
ADUs follow staged building and trade inspections and may require a separate occupancy or final approval.
Conditions that change the answer
Attached, detached or conversion
Unit type changes setbacks, fire separation, access and utility strategy.
Property eligibility
Lot size, existing units, parking, owner-occupancy or overlays may apply locally.
Utilities
Water, sewer, electrical service and impact fees can control feasibility and budget.
Inspection and close-out
ADUs follow staged building and trade inspections and may require a separate occupancy or final approval. Keep the approved documents, inspection results and final permit record with the property files.
Free pilot human review
Have this property and scope reviewed before you hire a contractor.
Human-reviewed official sources, forms, fees and next steps. HomeRulebook does not issue permits or replace the building department or other permitting agency.
Continue this project
Keep the San Jose context as you move forward.
Common questions
San José publishes building-permit requirements for additions, conversions and accessory dwelling projects. Confirm property eligibility, unit type, planning conditions, fire separation and utilities. Verify the exact scope with San José Building Division before work begins.
San José Building Division is the primary source for properties in city limits. San José contains county pockets and is distinct from unincorporated Santa Clara County. Confirm the incorporated-city answer before using SJPermits.
Foundation and framing when applicable Trade roughs and required finals
Use the California-licensed contractor or qualifying owner-builder role accepted by San José for the building and affected trade records.