Solar Panel Cost in Richmond, CA (2026): $4.64/W Reported
By Chad SimpsonUpdated 9 sources citedRichmond, Contra Costa County
Richmond homeowners who bought their own solar systems reported a median of $4.64 per watt between January 2025 and May 2026, across 183 systems. The middle half paid $3.37 to $6.73 per watt.
A 4.87 kW system, the median size connected in Richmond in 2025, comes to about $22,600 at that median, or $16,400 to $32,800 across the middle half.
Those are reported costs, not a quote, and no federal credit comes off a Richmond system finished in 2026: 26 U.S.C. §25D does not cover one whose installation is completed after December 31, 2025 (state and federal rules).
- Median reported cost
- $4.64/W
- Richmond addresses, 183 systems
- Middle half
- $3.37 to $6.73/W
- 25th to 75th percentile
- Typical 4.87 kW system
- $22,600
- 4.87 kW × $4.64/W, before any incentive
- Same system, middle half
- $16,400 to $32,800
- size: Richmond addresses, 2025 median
Source: California Distributed Generation Statistics (CPUC), Interconnected Project Sites data set, data through May 31, 2026, checked September 24, 2026. Homeowner-owned, solar-only systems of 1 to 25 kW; leases, PPAs and battery systems are left out (method). The CPUC notes these costs are not verified by the government.
California Rate Relief is a referral service. We are not a licensed contractor.
What a solar permit costs in Richmond
Richmond's published permit fee for a home rooftop system is $450 (solar structure, residential system (flat)).
That is exactly the $450 limit that Government Code §66015 sets for a home system up to 15 kW.
- What Richmond publishes: Richmond's Master Fee Schedule for fiscal year 2026-27, which the City lists as effective July 23, 2026, sets the building fee for a residential solar system (Solar Structure - Residential System) at $450. SolarAPP+ charges its own processing fee, which the City's page does not state.
- How to file: Yes. Eligible residential, roof-mounted retrofit systems go through SolarAPP+, and the City's iMS system creates an instant permit once the contractor's CSLB license and Richmond business tax certificate are current and the SolarAPP+ approval and signed permit application are uploaded under the names the City specifies. A home on the Richmond Historic Register needs a certificate of appropriateness from the Planning Division before the SolarAPP+ application.
- Automated permit platform: SolarAPP+
Sources: City of Richmond, SolarAPP+ For Solar Installers, checked September 23, 2026; City of Richmond, Master Fee Schedule FY 2026-27 (Community Development - Building Permits: Solar Structure - Residential System), checked September 23, 2026; City of Richmond, Residential Solar Systems (standard plans and expedited eligibility checklist), checked September 23, 2026; Gov. Code §66015, checked September 24, 2026. Richmond in the California Solar Cost Index sets this fee beside every other city's.
Solar in Richmond: installs, leases and batteries
Home solar systems connected at Richmond addresses: 355 in 2021, 535 in 2022, 642 in 2023, 455 in 2024 and 453 in 2025. So connections peaked in 2023 and 2025 ran 29% below that peak. Another 192 were connected from January to May 2026.
Of the 453 systems connected in Richmond in 2025, 56% were leased or on a PPA, so a solar company owns them, and 44% belonged to the homeowner. 52% had a battery, about as often as the 55% statewide. The median Richmond system was 4.87 kW, and 89 companies connected at least one.
| Richmond | Contra Costa County | Statewide | |
|---|---|---|---|
| Systems connected in 2025 | 453 | 6,343 | 145,404 |
| Leased or on a PPA | 56% | 43% | 45% |
| With a battery | 52% | 58% | 55% |
| Median system size | 4.87 kW | 6.48 kW | 6.15 kW |
| Median reported cost | $4.64/W (183) | $4.09/W (2,573) | $4.14/W (58,628) |
| Companies connecting systems | 89 | 310 | 2,475 |
Source: CPUC DG Stats, data through May 31, 2026. Counts are home systems given permission to operate each year; a city means the service city on the application.
Your utility: PG&E
Richmond is billed by Pacific Gas and Electric Company (PG&E). PG&E's average residential rate is 33.7¢/kWh (June 2026 (unchanged since March 2026); rate tracker).
MCE supplies generation for many Richmond addresses while PG&E delivers and bills; your bill shows which. Source: MCE, About Us (member communities).
Before you compare proposals
The Richmond project checks that change the decision
Richmond's building fee for a home solar system is a flat $450 for 2026-27, and eligible projects get an instant permit. The things that slow a Richmond job are paperwork: a current city business tax certificate, correctly named uploads, and, on a historic home, Planning sign-off first.
Ask the same three questions
- Is the house on the Richmond Historic Register? If so, who gets the certificate of appropriateness, and is that time in the schedule?
- Does the installer hold a current Richmond business tax certificate, so the SolarAPP+ permit can issue instantly?
- Is the bill estimate built on MCE generation and PG&E delivery, the way a Richmond bill is split?
Local checks
A flat $450 building fee
The fiscal year 2026-27 Master Fee Schedule, listed as effective July 23, 2026, sets Solar Structure - Residential System at $450.00. SolarAPP+ adds its own processing fee.
Instant, if the uploads are right
The City issues the permit instantly only when the contractor's CSLB license and Richmond business tax certificate are current and the SolarAPP+ approval and signed permit application are uploaded under the file names the City specifies.
Historic homes go to Planning first
A property on the Richmond Historic Register needs a certificate of appropriateness from the Planning Division before the SolarAPP+ application, and it is issued only if the installation fits the Secretary of the Interior's Standards for Rehabilitation.
Related decisions
Local sources and limits
- City of Richmond — SolarAPP+ For Solar Installers — verified 2026-09-23. Instant permit once the CSLB license and Richmond business tax certificate are current and the SolarAPP+ approval and signed permit application are uploaded under set names; homes on the Richmond Historic Register need a Planning Division certificate of appropriateness first; SolarAPP+ charges its own fee.
- City of Richmond — Master Fee Schedule FY 2026-27 — verified 2026-09-23. Community Development, building permits: Solar Structure - Residential System $450.00. The City lists this schedule as effective July 23, 2026.
- City of Richmond — Residential Solar Systems — verified 2026-09-23. Publishes a 2019 solar permitting guidebook, an expedited eligibility checklist, a plan submittal checklist and standard plans for central/string-inverter and micro-inverter systems.
- MCE — About Us (member communities) — verified 2026-09-23. MCE serves 38 member communities in Contra Costa, Marin, Napa and Solano counties; the communities named include Concord, Richmond, San Ramon and Napa. Vacaville is not among them.
- California Energy Commission — Residential Solar Permitting Program data (SB 379) — verified 2026-09-23. Self-reported platform status per jurisdiction, data last updated August 3, 2026; the CEC says it does not certify compliance. Rows used for the Tier 3 cities: Santa Clara, Clovis, Berkeley, Concord, Richmond, San Clemente, Encinitas, San Marcos, Lakewood, Elk Grove, Mission Viejo, Victorville, Tulare, Yucaipa, Rocklin and Grass Valley (SolarAPP+); Glendale and Santa Barbara (custom platform); Saratoga and Vacaville (Symbium); Napa (without a platform); Gilroy, San Ramon, Redding and Yuba City (SolarAPP+); Windsor and Ventura (Symbium); Redwood City and Cupertino (SolarAPP+); Hollister (without a platform, deadline Sept 2024).
Before you sign
In Richmond the middle half of reported costs spans $3.37 to $6.73 per watt, and roof, panel work, equipment and contract terms explain most of that gap. California Solar Tax and Permit Rules for 2026 covers them, and the tax, lease and disclosure rules a Richmond contract follows.
Frequently asked questions
How much does solar cost in Richmond?
About $22,600 for a 4.87 kW system, at the $4.64 per watt median that Richmond owners reported (183 systems, January 2025 to May 2026; middle half $3.37 to $6.73). Source: CPUC DG Stats. No federal credit applies to a Richmond system finished in 2026.
What does a solar permit cost in Richmond?
$450 for a home rooftop system on Richmond's published schedule (checked September 23, 2026); the state limit is $450 up to 15 kW under Gov. Code §66015.
Which utility serves Richmond?
Pacific Gas and Electric Company (PG&E). Its average residential rate is 33.7¢/kWh, as of June 2026 (unchanged since March 2026).
Sources
- California Distributed Generation Statistics (CPUC), Interconnected Project Sites data set, data through May 31, 2026 — checked September 24, 2026
- CPUC, California Solar Consumer Protection Guide — checked September 24, 2026
- 26 U.S.C. §25D(h) and (e)(8)(A), residential clean energy credit — checked September 24, 2026
- Richmond solar permitting — City of Richmond, SolarAPP+ For Solar Installers — checked September 23, 2026
- City of Richmond, Master Fee Schedule FY 2026-27 (Community Development - Building Permits: Solar Structure - Residential System) — checked September 23, 2026
- City of Richmond, Residential Solar Systems (standard plans and expedited eligibility checklist) — checked September 23, 2026
- California Government Code §66015(a), residential solar permit fees — checked September 24, 2026
- MCE, About Us (member communities) — checked September 23, 2026
- PG&E average residential rate — CPUC Public Advocates Office, Q2 2026 Electric Rates Report, p.8, 20 — checked September 24, 2026
The tax, contract and permit rules every California city shares, with their statutes: California Solar Tax and Permit Rules for 2026.
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