Permit Requirements
9526 Babauta Rd, San Diego CA 92129
Detached ADU · RS-1-11 · San Diego · APN 3155610400
Review path: DiscretionaryGenerated: June 20, 2026Ruleset: manifest-2026.06.08-v1
Permits & approvals required
Building Permit (Combination)[Required]
A combination building permit covers structural, electrical, plumbing, and mechanical work for the ADU.
Source: City of San Diego Information Bulletin 400 — ADU/JADU Submittal; SDMC §141.0302 (ADU/JADU regulations)
Ministerial ADU/JADU review[Required]
ADUs/JADUs that meet state standards are approved ministerially (no public hearing or discretionary findings).
Source: Cal. Gov. Code §66314 (ADU standards); SDMC §141.0302 (ADU/JADU regulations)
Site Development Permit (Environmentally Sensitive Lands)[Conditional]
ESL (steep slopes, sensitive habitat, wetlands, floodplain) generally requires a Site Development Permit with discretionary findings.
Source: SDMC §143.01 (Environmentally Sensitive Lands)
Historical resources review[Conditional]
Historic-district location or a primary structure 45+ years old can trigger historical-resources review before approval.
Source: SDMC §143.0212 / DSD Historical Resources review
Grading permit[Verify]
A separate grading permit is required when cut/fill exceeds City thresholds — common on sloped lots or new foundations. Verify quantities with a site plan.
Source: SDMC §142.01 (Grading Regulations)
Right-of-way / encroachment permit[Verify]
Required if work touches the public right-of-way (new/widened driveway, curb, sidewalk, or utility trench in the ROW).
Source: City of San Diego — Public Right-of-Way / Encroachment permit
FAA Part 77 noticing[Conditional]
Airport land-use / FAA Part 77 surfaces apply — height may be limited and FAA noticing may be required.
Source: SDMC §132.02–132.03 (Airport overlays); FAA Part 77
Review disciplines
Planning / Zoning review[Required]
Confirms use allowance, development standards, and overlays for the parcel.
Source: SDMC §141.0302 (ADU/JADU regulations)
Building / Structural review[Required]
Plan check for structural, life-safety, and CRC compliance.
Source: 2022 California Residential Code (as amended by SDMC)
Fire review[Required]
Fire & life-safety review; escalates with access, size, and wildland-urban-interface location.
Source: SD Fire-Rescue — Defensible Space
Public Utilities (water/sewer) review[Verify]
Required when a NEW or upsized water/sewer connection is proposed. A shared connection to the primary dwelling may not need separate review — verify the connection type.
Source: City of San Diego Information Bulletin 501 — Fees
School District fee processing[Required]
New residential living area is subject to school developer fees collected before permit issuance.
Source: SDUSD School (developer) Fees
Submittal requirements
Site plan & vicinity map[Required]
Source: City of San Diego Information Bulletin 400 — ADU/JADU Submittal
Floor plan[Required]
Source: City of San Diego Information Bulletin 400 — ADU/JADU Submittal
Elevations & sections[Required]
Source: City of San Diego Information Bulletin 400 — ADU/JADU Submittal
Foundation & structural plans[Required]
Required for new construction / added footprint; includes structural calculations and/or truss calcs.
Source: City of San Diego Information Bulletin 400 — ADU/JADU Submittal
Title 24 energy compliance[Required]
New conditioned space requires Title 24 energy documentation; CALGreen and City reach-code (solar/electrification) provisions may also apply — verify current reach code.
Source: 2022 California Energy Code (Title 24 Pt 6) / CALGreen
Defensible-space / WUI plan[Conditional]
Brush-management plan and ignition-resistant (Ch. 7A) construction details.
Source: SD Fire-Rescue — Defensible Space
Soils / geotechnical report[Conditional]
Source: SDMC §143.01 (ESL) / geotech
Deferred submittals (typical)[Required]
Roof trusses, fire-sprinkler design (if required), solar PV, and MEP shop drawings are commonly approved as deferred submittals after permit issuance.
Source: City of San Diego Information Bulletin 400 — ADU/JADU Submittal
Development standards for this parcel
Maximum size[Required]
≥ 800 sq ft allowed by-right; up to 1,200 sq ft under SDMC standards
Source: Cal. Gov. Code §66314 (ADU standards); SDMC §141.0302 (ADU/JADU regulations)
Setbacks[Required]
4 ft side & rear minimum (state law); front yard per the RS-1-11 base zone
The 4 ft side/rear minimum is guaranteed by state law regardless of zone; the front setback follows the base zone and exact placement depends on the parcel's lot lines — verify.
Source: Cal. Gov. Code §66314 (ADU standards)
Height limit[Required]
16 ft (detached ADU baseline), + up to 2 ft to match the primary roof pitch
State height figures per §66323. A local Coastal Height Limit (30 ft) may also apply where mapped; confirm the controlling figure with DSD.
Source: Cal. Gov. Code §66323 (state-exempt ADUs); Cal. Gov. Code §66314 (ADU standards)
Lot coverage / floor-area ratio[Required]
The by-right ADU is not subject to maximum lot coverage or floor-area ratio
Source: SDMC §141.0302 (ADU/JADU regulations)
Parking[Verify]
Up to 1 space may be required (per §66314) unless a state exemption applies (§66322) — verify
Source: Cal. Gov. Code §66314 (ADU standards); Cal. Gov. Code §66322 (parking)
Owner-occupancy[Required]
Not required for an ADU under current state law
Source: Cal. Gov. Code §66315 (owner-occupancy)
Fees
Building plan-check & permit fees[Verify]
Valuation-based — provide a construction valuation to estimate (look up in the DSD fee schedule)
These scale with construction valuation per the City's published schedule; the exact figure is read from that schedule, not computed here.
Source: City of San Diego Information Bulletin 501 — Fee Schedule
School developer fee[Verify]
≈ $4,304 estimate (800 sq ft × $5.38/sq ft) — verify the current SDUSD rate
Charged on new residential living area before permit issuance. The per-sq-ft rate changes; confirm the current SDUSD rate.
Source: SDUSD School (developer) Fees
Development Impact Fees[Required]
Apply — an ADU ≥ 750 sq ft may be charged impact fees proportional (by sq ft) to the primary dwelling
Source: Cal. Gov. Code §66323/§66324 — ADU impact-fee limits; CA HCD ADU Handbook (impact fees); SD Development Impact Fee Schedule
Water/sewer capacity & connection charges[Verify]
Separate capacity/connection charges may apply for a new or upsized connection
Source: City of San Diego Information Bulletin 501 — Fee Schedule
Process & sequencing
Address assignment[Required]
A new detached/attached unit needs an assigned (sub-)address before final inspection.
Source: City of San Diego — Addressing / GIS
Utility will-serve[Verify]
A water/sewer will-serve or availability confirmation may be needed at or before submittal for a new/separate connection.
Source: City of San Diego Information Bulletin 501 — Fees
Fire sprinklers / fire-flow[Verify]
An ADU is not required to have sprinklers if the primary dwelling lacks them, but a new detached ADU may still trigger a fire-flow/access analysis (NFPA 13D) by size/access — verify.
Source: Cal. Gov. Code §66314 (ADU standards); SD Fire-Rescue — Defensible Space
Special inspections / structural observation[Verify]
Foundations, anchors, and work on expansive/steep soils may require a special-inspection program (CBC Ch. 17).
Source: 2022 CBC Chapter 17
SB9 lot split / two-unit (NOT evaluated)[Not evaluated]
This manifest evaluates ADU/JADU paths only. SB9 urban lot splits and two-unit projects are a separate path and are not assessed here.
Building Code Wizard — deterministic, source-cited assessment generated from the City of San Diego DSD document corpus and California ADU law. Items marked “Verify” depend on data not captured at intake (lot geometry, construction valuation) — confirm with DSD. This is informational only and is not a permit, an approval, or legal advice. Ruleset manifest-2026.06.08-v1, generated June 20, 2026.