City of Auburn

A city address is usually permitted by the city, not the county — but not always, and some authorities keep building and hand electrical to someone else. Getting this wrong costs the whole submittal, because every requirement below belongs to whoever actually holds jurisdiction. Check the overlays in the same pass: an HOA, a historic district, a windstorm certification or a system-size cap can reshape the design, and all of them are cheaper to find now than after the array is laid out.

• Is this authority the AHJ for residential solar at this address? Yes 95% · municipal code
• What does this authority permit itself, and what does it delegate? Both 90% · department page
• Is a permit required for a residential rooftop PV system? Yes 95% · department handout
• Is there a separate electrical permit, or is it combined? Combined 80% · fee schedule
• Is a HOA or architectural approval required first? No 90% · municipal code
• Is there a historic-district review? No, for a single-family residence -- exempt even inside the Historic Design Review District (which covers the Downtown and Old Town Design Review Districts plus individually designated historic resources). Historic Design Review IS required (HDRP, reviewed by the Historic Design Review Commission) for 'alterations, remodeling, or additions to existing structures' that are new commercial/office/industrial/multi-family, but AMC §159.497(C)(3)(b) exempts 'Single-family residential buildings or structures' outright from the whole design-review process, with no carve-back for historic-district or individually-designated properties. 90% · municipal code
• Is a wind or windstorm certification required? No 70% · published checklist (absence)
• Is a Specific Use Permit or Council approval ever required? Yes, conditionally -- the Building Official may require a Use Permit if the Official finds, based on substantial evidence, that the solar installation would have a 'specific, adverse impact' on public health or safety; denial of that Use Permit is appealable to the Planning Commission. 85% · municipal code
• Is there a system-size cap on residential generation? Two uncoordinated figures. The 'small residential rooftop' eligibility gate for the expedited/nondiscretionary review path in AMC §151.01 is the AB 2188-era 10 kW AC / 30 kW thermal figure (also gated on single/duplex-family use and not exceeding the maximum legal building height). But the CURRENT fee schedule's residential-PV tier break is 15 kW, not 10 kW ($347 flat 'at 15kW or less'; tiered above). A system between 10-15 kW AC would be billed at the '15 kW or less' flat fee yet, on the code's own definition, would NOT qualify as a 'small residential rooftop' system and so would not be eligible for the §151.06 same-day/3-day expedited path -- it would instead be processed under the full §151.07 requirements, which state no separate size cap of their own. 85% · municipal code + fee schedule

Several authorities require the electrical permit to be pulled by a licensed electrician, or require the contractor to be registered with them BEFORE applying. Registration is not same-day. This is second on the list rather than fourth because it is the step most likely to stop the job before the drawings matter.

• Who is allowed to pull the electrical permit? Either 55% · checklist
• Must the contractor be registered with this authority before applying? Yes 65% · municipal code

Almost everywhere wants a site plan, a one-line or three-line electrical diagram, equipment cut sheets with listings, and a structural attachment detail. Build it against the published checklist rather than the last jurisdiction you worked in — the checklist is what the reviewer marks against.

• What documents make up a complete submittal? Cover sheet (address, owner, designer, scope, sheet index, legend); schematic site/electrical plan showing panel layout, service, disconnects, battery locations if any, point of connection; equipment cut sheets (inverters, modules, generator/transfer switch); labeling schedule per CEC 110.21(B), 690.13, 690.31, 690.56, 705.10, 705.12; system kW capacity; signed owner contract; for roof-mount: UL 1703 Class A listing documentation, rapid-shutdown location/method per CEC 690.12, engineered/listed racking; for ground mount/wind: engineering above 7 ft height or where ground snow load Pg exceeds 50 psf. 95% · published checklist
• How many copies, and in what format? 2 sets minimum 11"x17" for roof-mount systems; 3 sets minimum 11"x17" for ground-mount systems (per the current checklist). An older, no-longer-linked 2021 guidance document instead called for 3 sets for all systems -- flagged as stale rather than relied on. 85% · published checklist
• Is a site plan required, and what must it show? Yes -- a schematic site diagram showing arrangement of panels on roof or ground, location of combiner box, inverter, utility disconnect, main service, approximate distances between components, and dimensioned setbacks to structures/property lines (ground mount). 95% · published checklist
• Is a one-line / three-line diagram required? Yes 95% · published checklist
• Are string and conductor calculations required? Yes 90% · published checklist
• Is a structural PE stamp required, and at what threshold? Roof-mounted panels not flush-mounted (i.e. standoff greater than 10 inches from the roof) require a licensed engineer's structural design calculations and connection details for wind uplift. For ground-mount/wind-generator systems: engineering is required where total height from ground to top of array exceeds 7 feet, or for any structure where ground snow load (Pg) exceeds 50 psf. 90% · published checklist
• Is an electrical PE stamp required, and at what threshold? An Electrical Engineer is required for all battery/ESS connections. No separate PE threshold is stated for PV-only electrical work. 85% · published checklist

Most authorities now take the whole application through a portal, and several states cap or constrain what a residential solar permit may cost. Check whether plan check is billed separately before you quote the job.

• Which permit portal does this authority use? Tyler Technologies EnerGov Self Service portal (linked from the city's site as 'Civic Access') 90% · portal landing page
• Can the whole application be completed online? Yes 90% · portal landing page
• What does a residential solar permit cost? $347 flat for ground- or roof-mounted residential solar PV of 15 kW or less; $450 base fee plus $15/kW for each kW above 15 kW. 95% · fee schedule
• How is the fee calculated? Tiered 95% · fee schedule
• Is there a separate plan-check fee? No 90% · fee schedule

Interconnection is a separate process from the permit and usually the longer pole. Where the utility does not depend on the permit being issued, running both at once is the single biggest saving available on a residential job.

• What is the stated plan-review turnaround? Same day over-the-counter (if plan-review staff available), or 3 business days for electronically submitted applications, for small residential rooftop systems eligible for expedited review. Where structural framing calculations are required, allow 5 working days for that review. 90% · municipal code
• How long is an issued permit valid before it expires? Not locally amended -- defaults to the 2025 CBC's own standard permit-expiration provision (180 days to commence work / 180 days between required inspections). Auburn's own list of Building Code amendments (AMC §150.002) does not touch the permit-expiration section. 60% · municipal code
• Which utility handles interconnection here? Pacific Gas & Electric (PG&E) 95% · city page
• Where does the utility sit in the sequence? No dependency (parallel) 55% · inference from utility identity

The NEC edition a jurisdiction enforces is often a cycle behind the newest one published, and local amendments sit on top of it. Rapid shutdown, conductor sizing and labelling all change between editions, so the edition in force is the first thing to establish, not the last.

• Which NEC edition is in force? 2023 95% · adopting ordinance
• Which building code edition is in force? 2025 California Building Code (Title 24, Part 2), Volumes 1 and 2, including Chapter 7A, Appendix F and Appendix P; adopted by Ord. 25-07, eff. 11/10/2025. 95% · adopting ordinance
• Which fire code edition is in force? 2025 California Fire Code (Title 24, Part 9), including administrative provisions based on the 2024 International Fire Code; adopted by Ord. 25-07, eff. 11/10/2025. 95% · adopting ordinance
• Are there local amendments to any of the above? Yes -- e.g. CBC §1608.2 amended to set ground snow load = 20 psf; CBC Table 1505.1 amended to require Class A roof covering in all construction types citywide and prohibit wood shakes/shingles; pool-enclosure requirements added to CBC §3109.2; Fire Code amendments raising the automatic-sprinkler trigger to 3,600 sq ft and fire-alarm trigger to 1,500 sq ft, widening required fire-apparatus/emergency-access roads to 26 ft, and prohibiting open burning/recreational fires outside a Fire Chief permit. 95% · municipal code
• What is the installation judged against? The 2025 California Building/Residential Code and 2025 California Electrical Code, each as locally amended by the City (Ord. 25-07), plus the 2025 California Fire Code and 2025 California Wildland-Urban Interface Code. 95% · municipal code

Ridge setbacks and roof access pathways are fire-service requirements and they constrain the array layout. They are the most common cause of a redesign after the fire department comments on a plan set.

• What ridge setback and access pathways are required? PV panels must be no closer than 3 ft to a ridge unless a newer CBC edition allows otherwise; access pathways for hip roofs, single-ridge roofs, and roofs with hips and valleys follow the currently adopted CBC/CRC; roofs sloped 2:12 or less are exempt from the pathway subsection. Conduit/raceways must run as close as possible to the ridge/hip/valley and take the shortest path to combiner boxes to minimize roof conduit and trip hazards. 90% · municipal code

Which rapid-shutdown rule applies follows directly from the NEC edition in force, and the initiation device has to be at a location the fire service can reach and identify. This is inspected, and it is labelled.

• Is rapid shutdown required, and to which NEC edition? Yes -- rapid shutdown is required per CEC §690.12, under the 2025 CEC (2023 NEC-based) currently in force. 95% · published checklist

The NEC sets a baseline for permanent markings at the service equipment and the disconnecting means. On top of that, an authority may specify its own wording, and the utility may specify more again. Where any of them writes its own text, a generic off-the-shelf label set will not pass — this is the detail most often fixed on a return visit.

• Which placards does this authority require at the service equipment? DC conduit/enclosure/raceway markings reading 'WARNING: PHOTOVOLTAIC POWER SOURCE'; a marking placed adjacent to the main service disconnect, clearly visible from where the disconnect is operated. 95% · municipal code
• Does the authority specify placard wording of its own? Yes 95% · municipal code
• Does it specify letter height, colour or material? Material: reflective, weather-resistant, suitable for the environment. All letters capitalized, minimum height 3/8 inch, white lettering on a red background. 95% · municipal code
• Is a site plan / facility map placard required, and what must it show? A schematic site plan is required as part of the SUBMITTAL package (showing building footprint, PV array location, main service, and interior/exterior equipment and disconnect locations) -- this functions as a plan-review document rather than a field-posted facility-map placard at the service equipment. No separate field-posted site/facility-map placard (distinct from the DC-conduit and disconnect warning labels) was found. 70% · published checklist

Where the AC disconnect must sit relative to the meter is usually the utility's rule, not the building department's. Battery storage frequently carries its own permit, its own inspection and its own fire conditions.

• Must equipment be on a specific approved list? Yes, for roof-mounted systems -- 'Photovoltaic systems shall be Class A listed and labeled for fire classification per UL 1703,' with documentation of compliance required in the submittal. 85% · published checklist
• Are batteries permitted, and under what conditions? Yes -- battery storage is a separately fee-scheduled residential permit type ('Battery Backup Storage - Residential,' $174 flat), and where batteries are included with a PV system the electrical schematic diagram must show battery locations/rooms and venting, and 'For ALL Battery Connections: An Electrical Engineer is required.' 90% · fee schedule + checklist
• Is there a separate ESS permit or inspection? Appears to be billed/processed as its own permit type -- the fee schedule carries 'Battery Backup Storage - Residential' as a distinct $174 line item separate from the 'Residential Solar Photovoltaic System - Solar Permit' lines, rather than as a sub-line of the solar permit. 70% · fee schedule
• Is a ground mount treated as a structure? Yes, by inference from the general zoning definition -- 'STRUCTURE. Anything constructed or erected, except fences under 6 feet in height, the use of which requires location on the ground or attachment to something having location on the ground...' A ground-mounted array plainly meets this definition. No solar-specific zoning provision exists (control-checked: 'solar' returns zero hits across the full ~495,000-character extracted Zoning chapter, against 227 hits for 'historic' and 20 for 'electrical' and zero for the fabricated control 'zzqqx'). 75% · municipal code (definition + absence)
• Is there a local rule on service upgrades or busbar sizing? No -- control-checked absence. No local amendment to busbar sizing, main-panel derating percentage, or a mandated AC-disconnect location was found anywhere in the codified Building or Electrical Code chapters ('busbar', '690.13', 'disconnect', '225 A', '120%', 'feeder', 'service panel' all zero hits in the full extracted chapter text, alongside a genuine positive hit rate for 'Electrical Code' and dozens of real amendment clauses, and zero hits for the fabricated control 'zzqqx'). 85% · municipal code (absence)
• Is a specific mounting system or attachment spacing required? Yes -- roof-mounted panels must be shown as flush-mounted (standoff ≤10 in.) or a licensed engineer must provide wind-uplift/connection design; attachment details must show bolt type, diameter, embedment length and spacing (or panel-per-bolt ratio); racking must be engineered or listed for the mounting/attachment method. 90% · published checklist

Booking is a portal, a phone call or an email depending on the authority, and the notice required is rarely zero. Book before the work is finished rather than after — the lead time, not the work, is usually what sets the date.

• How is an inspection booked? Portal 90% · portal landing page
• How much notice is required? 2 business days 90% · municipal code
• Are same-day or AM/PM windows offered? A 2-hour inspection window is provided (not framed as an AM/PM split, but a defined 2-hour appointment window). 85% · municipal code

Some authorities inspect their own solar work; some delegate it, and a few do not inspect the PV equipment itself at all. Who is coming determines what they will look at.

• Does this AHJ perform its own final solar inspection? Yes 95% · municipal code
• If delegated, to whom? N/A -- not delegated 90% · municipal code

A rough-in or mid-roof inspection, where one is required, has to happen before the work it covers is closed up. Missing a stage means opening something back up, and it is the most expensive kind of correction.

• Which inspections are required, and in what order? For small residential rooftop (expedited) systems: a single consolidated final inspection covering electrical work (and structural, if a building permit was also triggered). For non-small-residential systems (§151.07), inspection likewise checks compliance with the section and the manufacturer's grounding requirements, with no separately named rough-in step described. 80% · municipal code
• Is a rough-in or mid-roof inspection required? No 80% · municipal code

The approved plan set, the permit, and the equipment listings should be on site and reachable. Inspectors routinely verify that installed equipment matches what was approved, and that the labels are the ones the plan set promised.

• Is there a published inspection checklist? No dedicated stand-alone inspection checklist is currently published on the Forms page -- inspection requirements are folded into the submittal checklist/code sections (§151.06(B), §151.07(B)) rather than issued as their own document. An older (2021) 'Solar Photovoltaic Submittal Guidelines' handout did carry its own numbered 'Inspection requirements' section, but that document is not linked from the current Forms listing and cites the superseded 2019 CBC, so it is not relied on as current. 60% · department page
• What must be on site at inspection? The permit, approved plans and specifications must be readily available on site at the time of inspection; the system must be ready for inspection with all boxes/enclosures open; the inspector must have access to all parts of the system. 90% · municipal code
• Does the inspector verify labels and listings? Yes 70% · municipal code (inference)

Passing gives you a final or an equivalent sign-off. That is not the same as permission to operate: PTO comes from the utility, and who tells the utility the inspection passed varies. A system left switched off for weeks is usually waiting on this handover.

• What is issued on pass? Final 60% · inference
• Who notifies the utility for PTO? Installer 55% · inference from utility identity
• Is there a re-inspection fee? $87 (applies from the 2nd re-inspection onward) 95% · fee schedule
• How are corrections issued and cleared? If an application is deemed incomplete, a written correction notice detailing all deficiencies and any additional required information/documentation is sent to the applicant for resubmission. 85% · municipal code