Davis Solar Guide: Printed Plans, Permit Numbers and Inspection Requests

Follow Davis's automated solar review and printed-plan handoff, distinguish general electronic review from the eligible route and confirm inspection timing without assuming a guaranteed preference.

Sources reviewed: 2026-10-26

This Davis solar guide combines local official application evidence with saved production and housing datasets. Use it to ask better questions about the complete proposed installation, not as a permit, roof assessment, local price survey or personalized financial recommendation. The local review route and electricity account matter independently of the energy model.

Choose the actual Davis route for the full installation

Davis's Solar APP+ page describes automated code-compliance checking for the majority of residential, roof-mounted retrofit photovoltaic systems, with actual eligibility controlled by the linked criteria. Confirm that the property is within city jurisdiction and describe the complete proposal before relying on the route. A Davis mailing address, Census place label or installer service map does not identify the reviewing authority by itself. Include any battery, service change, roof work and associated construction in the scope discussion rather than treat a module capacity as the complete installation or technical qualification. Davis SolarAPP+, eligibility, separate charges, two printed copies and city permit-number handoff Census 2020-2024 ACS five-year dataset documentation

The city directs new users to registration and existing users to log in and submit the design through SolarAPP+. It says both a platform processing fee and City of Davis permit fees are charged. These are separate administrative charges, not an observed installation price or a universal all-inclusive total. Ask the responsible applicant to confirm actual current assessments and the accepted design. A registered account or a sales drawing is not the same as the approval records needed for the municipal handoff, and a small payment does not establish every related construction approval. Davis SolarAPP+, eligibility, separate charges, two printed copies and city permit-number handoff

The page links eligibility and inspection tutorials but does not reproduce every current technical condition. This guide does not reconstruct unread platform rules or decide that every storage or electrical configuration qualifies. Have the qualified preparer verify the actual equipment and current city requirements. If the full proposal does not use the automated route, ask Building how it should be submitted under the ordinary process. The general Building Division page supports electronic review and property-owner applications, but does not make an owner-builder account an automatic solar eligibility determination or a professional licensing exemption. Davis SolarAPP+, eligibility, separate charges, two printed copies and city permit-number handoff Davis Building Division, electronic general intake, payment boundary, actual inspection options and afternoon discrepancy

Complete the printed-plan handoff and obtain the city number

After automated approval, Davis directs applicants to download approved plans and provide two printed copies at the Building Division counter to receive city stamps and a building permit card. This is a specific physical-document handoff. Do not silently replace it with the general page's statement that projects can be submitted electronically for plan review. Ask who brings the correct approved copies, obtains the stamped documents and keeps the permit card. Platform acceptance and the city's actual project records must remain distinguishable so the installer can show which administrative stages have genuinely been completed. Davis SolarAPP+, eligibility, separate charges, two printed copies and city permit-number handoff Davis Building Division, electronic general intake, payment boundary, actual inspection options and afternoon discrepancy

The solar page describes receiving an email within 24 business hours containing the City of Davis permit number needed for scheduling inspections. That statement is not a promise of a permit number within one calendar day or complete installation within the same period. Use the actual city identifier when requesting a visit rather than substitute a platform approval ID, a contractor's job number or an example printed on the website. If the expected message or document is missing, ask staff about the actual project rather than assume elapsed time proves issuance or authorizes construction. Davis SolarAPP+, eligibility, separate charges, two printed copies and city permit-number handoff

Keep the city-stamped plans, card, actual permit number and any accepted changed documents together. The general inspection material also requires approved plans and building permits at the site. A download receipt or payment email is not a replacement for the relevant authorized record. If the equipment or layout changes after approval, obtain current Building direction and accepted revisions instead of assuming an old stamped set covers the change. The reviewed Davis sources do not establish a complete solar-specific revision subtype, included correction allowance or universal changed-sheet rule, so none is invented here. Davis SolarAPP+, eligibility, separate charges, two printed copies and city permit-number handoff Davis Building Division, electronic general intake, payment boundary, actual inspection options and afternoon discrepancy Davis inspection information, approved onsite plans and permits, unavailable preferences and limited special appointments

Read ordinary review times and payment options within their scope

Davis's general Building Division page directs applicants to obtain necessary forms and email the application with required documents for plan review. Staff then contacts the applicant about timelines, further documents and fees. It describes processing in received order, with typical review of twenty to thirty-five business days from submittal. That broad description is not a verified deadline for the automated pathway, a completeness guarantee or a promise for an entire solar installation. Ask which current route covers the full work and which stage the estimate actually describes before scheduling construction or comparing installer offers. Davis Building Division, electronic general intake, payment boundary, actual inspection options and afternoon discrepancy Davis SolarAPP+, eligibility, separate charges, two printed copies and city permit-number handoff

For general payment, the page says fees of $1,000 or less may be paid online by credit or debit card and require the city permit number supplied after processing. It also describes payment by check to the City of Davis. That amount is an online-payment condition, not the price of a solar permit, a cap on total project fees or evidence that every payment method is available for every amount. Ask for the actual invoice and accepted payment handling, and identify who monitors it. Paying an assessment does not establish that professional plans have been accepted or inspections passed. Davis Building Division, electronic general intake, payment boundary, actual inspection options and afternoon discrepancy

The same general page contains a separate Resale Program, with its own applications, report periods and fees. Those property-transfer requirements should not be repurposed as ordinary solar permit charges or solar inspection deadlines. Similarly, a form's presence in the building library does not prove every applicant needs it. Ask which current documents apply to the real project and who prepares them. This guide relies on directly reviewed administrative instructions; it does not treat every linked engineering worksheet, dated file title or resale brochure as newly verified technical rules for a rooftop installation. Davis Building Division, electronic general intake, payment boundary, actual inspection options and afternoon discrepancy

Request the actual inspection rather than assume a preferred window

The solar page allows inspection requests by automated phone, text or email and asks for the city permit number, inspection type, address and site contact details. It gives a 3:30 p.m. prior-business-day request boundary. The general page says the voice service accepts requests only one day in advance, asks callers to speak their contact number and directs questions or cancellations to staff rather than the recording. A request line available around the clock is not unlimited advance booking, a live confirmation service or permission to leave unrelated instructions that staff will necessarily recheck. Davis SolarAPP+, eligibility, separate charges, two printed copies and city permit-number handoff Davis Building Division, electronic general intake, payment boundary, actual inspection options and afternoon discrepancy

The general page describes interactive text prompts and a required code, while email is described as a last-resort option because of message volume. It gives a subject format identifying the desired inspection date and asks for the permit number, address, type and contact phone. Use current official instructions and avoid posting private contact or access details publicly. The separate information sheet says calls after the cutoff are scheduled two business days out, while the general voice guidance emphasizes one-day advance requests. Confirm an actual late request with staff instead of promising an unconditional appointment date from these descriptions. Davis Building Division, electronic general intake, payment boundary, actual inspection options and afternoon discrepancy Davis inspection information, approved onsite plans and permits, unavailable preferences and limited special appointments

The solar page describes morning requests from 8 a.m. to noon and afternoon from 1 to 3 p.m.; the general page gives an afternoon range ending at 3:30 p.m. It also says AM/PM preferences cannot be guaranteed. Preserve the discrepancy rather than invent a combined exact window. The general page says an unfinished scheduled inspection becomes a priority the following workday, with staff to be informed if early next-day service is unwanted. Confirm the assigned visit, access and any necessary rescheduling rather than treat a preferred half-day or initial request as a guaranteed arrival. Davis SolarAPP+, eligibility, separate charges, two printed copies and city permit-number handoff Davis Building Division, electronic general intake, payment boundary, actual inspection options and afternoon discrepancy

Prepare professional readiness and keep separate completion records

The inspection information requires the posted address, approved onsite plans, permits and completed accessible work for the portion being inspected. Its occupancy and access conditions differ for exterior work, vacant properties and occupied indoor inspections. Have the contractor coordinate the actual arrangement and safe professional access; this guide is not an instruction to open electrical equipment, climb a roof or set up inspection access yourself. A visible permit card alone is not sufficient if the required accepted documents or work readiness are missing. Obtain the actual result and responsibility for any corrections. Davis Building Division, electronic general intake, payment boundary, actual inspection options and afternoon discrepancy Davis inspection information, approved onsite plans and permits, unavailable preferences and limited special appointments

The information sheet separately offers a limited number of special-circumstance timed appointments, requested through the main office, in listed early-morning and early-afternoon periods. That limited option is not a universal right to an exact appointment or proof every solar inspection qualifies. Ask about availability where the project genuinely needs an arrangement. Ordinary preferences remain unguaranteed, and seasonal roof or attic access conditions on the general page are not a complete solar inspection checklist. Keep contractor preparation, site readiness, city scheduling and actual final acceptance separate in the written project plan. Davis inspection information, approved onsite plans and permits, unavailable preferences and limited special appointments Davis Building Division, electronic general intake, payment boundary, actual inspection options and afternoon discrepancy

For an electricity account actually identifying PG&E, obtain its official written permission to operate separately from city inspection. The municipality and Census point do not confirm parcel-level service or a separate generation supplier. PG&E's residential Solar Billing Plan distinguishes monthly statements from annual True-Up. Neither a stamped plan set nor the typical-year solar output below calculates remaining charges, exports, storage dispatch or savings. Those financial questions require household consumption and applicable account terms. Preserve both municipal completion records and actual provider authorization, without treating one as proof of the other or as a household bill analysis. PG&E Getting Started with Solar, separate interconnection and official written permission to operate PG&E residential Solar Billing Plan, monthly statements and annual True-Up PVWatts V8 model documentation

Compare the complete Davis proposal without inventing a local price

For arithmetic only, a hypothetical 6 kW DC array at $2.75 per watt costs $16,500: 6,000 watts multiplied by $2.75. This is not an observed Davis installation price, a contractor survey, a municipal fee assessment or a recommendation. No former residential federal credit is deducted after the IRS placed-in-service cutoff. Obtain itemized offers for actual modules, inverters, professional documents, roof and electrical work, storage if proposed, application handling and corrections. A typical-year production estimate cannot establish a fair price or an unsurveyed roof's suitability. Compare the same complete work rather than divide an incomplete advertised package by module capacity. PVWatts V8 model documentation IRS Residential Clean Energy Credit, placed-in-service cutoff

Include actual plan preparation, the two-copy city-stamp handoff, current fee handling and inspection coordination; general review estimates and the emailed-number description do not guarantee every project stage. Ask separately for the cash price, any different financed price, principal, interest, term and total payments. Identify who pays for changed plans, extra review, return inspections and provider paperwork. A platform processing fee is not the price of the installation. For an actual PG&E residential Solar Billing Plan account, distinguish monthly statements from annual True-Up. Household financial analysis additionally needs consumption, import and export timing, applicable account terms and any storage operating assumptions. This guide calculates no rebate, export revenue, savings percentage or payback. Keep the written scope, actual assessments and accepted records together when comparing competing offers. PG&E Getting Started with Solar, separate interconnection and official written permission to operate PG&E residential Solar Billing Plan, monthly statements and annual True-Up

A documented 6 kW reference scenario for Davis

The saved Davis scenario estimates approximately 9,804 kWh AC annually at the Census representative point, not at a surveyed household roof. Its fixed inputs are 6 kW DC of modules, a roof-mounted south-facing array, 20-degree tilt, 14% aggregate system losses, a 1.2 DC/AC ratio and 96% inverter efficiency. The implied nominal inverter capacity is 5 kW AC. Module capacity, inverter capacity and annual energy are different quantities; none alone establishes permit eligibility. PVWatts V8 model documentation

PVWatts uses typical-year weather, not measured 2026 electricity production. The Davis table retains all twelve modeled months and the annual total, with no extra 0.80 multiplier applied to its already modeled AC output. Model 0618100-roof-6kw-south-20deg-v1, provider version 8.5.0, identifies the saved scenario. It does not inspect shade, usable roof area, framing or electrical equipment, simulate storage dispatch, or calculate bills. Obtain a new estimate for the actual layout if module count, orientation or other inputs change. PVWatts V8 model documentation

Read the Davis housing estimates with their uncertainty

The housing table joins Davis to its exact Census place GEOID 0618100, using the 2020-2024 ACS five-year survey and 2024 geographic vintage. It reports occupied and owner-occupied housing units with their separate published 90% margins of error. These are multi-year estimates, not current 2026 household counts or counts of roofs eligible for solar. Keep the estimate and margin together when citing the data, and do not interpret ownership alone as installation permission or structural suitability. Census 2020-2024 ACS five-year dataset documentation

Survey acs-2020-2024-0618100 supplies the saved Davis figures. Local ownership and occupancy context can help explain whom a guide may serve, but cannot establish roof condition, financial suitability or the number of installations. Small differences in modeled production or survey counts between neighboring places are not evidence that one community has better solar economics. The property assessment, verified account and local project records are the decision inputs. Displayed monthly and annual energy values are rounded independently, so their displayed totals can differ slightly. PVWatts V8 model documentation Census 2020-2024 ACS five-year dataset documentation

Check the installation date rather than assuming a federal credit

For new-installation planning, the IRS says property placed in service after December 31, 2025 is not eligible for the former residential clean energy credit. No such credit is deducted from the hypothetical cash example here. Older eligible expenses and unused-credit carryforwards are separate tax-return matters. Do not use a legacy incentive link on an otherwise useful municipal or utility page as proof of a current benefit, or replace an expired credit with an unverified local rebate. Confirm any other claimed benefit for the actual applicant, equipment and timing. IRS Residential Clean Energy Credit, placed-in-service cutoff

Keep the Davis sources and account references together

The municipal, utility and IRS source text used for this Davis article was reviewed October 26, 2026. Review means checking the public documents and their stated limits, not obtaining municipal staff approval or confirming every dated fee or code reference as newly effective. The production and housing data are saved research snapshots. Retain project-specific written requirements, final equipment and assessed charges as the project develops.

Read the California state guide for broader context. Only if the actual electricity account identifies PG&E, consult the PG&E utility guide. This is not a parcel-level territory assignment or confirmation of the generation supplier. Verify the serving provider, applicable account terms, interconnection status and any separate generation arrangement before analyzing imports, exports or savings. SMUD and neighboring-city rules are not substitutes for the actual account's requirements.