California Propane Price 2026: Cost Per Gallon, Suppliers & Delivery

California residential propane runs roughly $3.42/gal in 2026, +28% versus the national average and +19% versus the West regional norm. Important caveat: the EIA SHOPP weekly survey does not cover California (PADD 5 has no residential propane series), so this is a manually-verified retail estimate, not a live EIA weekly. Below: pricing context, fill-cost math, the wildfire/PSPS generator angle, LIHEAP via CSD, and how to verify a Cal Fire OSFM-licensed supplier.

Latest EIA residential propane price

Source: California residential propane retail estimate (no EIA SHOPP series; verified against public California supplier and CPUC filings). Current data is the final release of the 2025/26 heating season (week ending 30 March 2026). EIA pauses weekly publication April-September; next release expected October 2026. Refreshed 26 May 2026.

California Propane Pricing Snapshot (2026)

California residential estimate

$3.42/gal

Manually-verified retail estimate (no EIA SHOPP series for CA / PADD 5)

vs national average

+28%

National avg $2.67/gal. CA pays roughly $0.75 more per gallon.

vs West region avg

+19%

Region avg $2.88/gal. CA sits above the West norm, behind only HI and AK.

Annual fuel cost (1,000 gal)

$3420

Typical CA propane-heat household uses 800-1,200 gal/year

500-gallon refill (400 usable)

$1368

Most common residential tank size in mountain and rural CA

Pre-buy savings (May-Aug)

$300-$500/yr

Off-season cap-price contracts typically save 10-20% on the year

Rural mountain and Tier 2/3 Fire Threat District prices can run materially above the statewide retail estimate. Quotes of $4.02-$4.62/gal are common on Sierra Nevada, Trinity, and Mendocino county routes during wildfire season. Treat the $3.42/gal figure as a midpoint, not a ceiling.

Why California Propane Prices Sit Where They Do

California is the most expensive propane market in the West outside Hawaii and Alaska. The drivers are structural and will not normalise to the national average without a major shift in PADD 5 propane infrastructure or in California energy policy.

1. PADD 5 has no in-state propane production of scale. Roughly 90% of US propane comes from natural gas processing in Texas, Louisiana, Oklahoma, and the Marcellus/Utica shale. California refineries produce only minor LPG byproducts. Almost every gallon delivered in CA arrives via long-haul rail from Gulf Coast or Rocky Mountain producers, then is transferred to bobtail trucks for last-mile delivery. Each handoff is a margin layer, and PADD 5's rail and terminal density is far below PADD 1, 2, or 3.

2. Long supply chains, limited regional storage. CA cannot draw on the same pipeline-fed terminal storage that East Coast and Midwest markets enjoy. The state's working propane storage volume is small relative to peak winter and wildfire-season demand, which leaves retail pricing exposed to wholesale spikes and rail logistics disruptions.

3. Wildfire-season generator demand. Public Safety Power Shutoff (PSPS) events in PG&E and SCE territory have driven propane standby generators into mainstream rural and wildland-urban interface households across Sonoma, Napa, Lake, Mendocino, El Dorado, Placer, and Tuolumne counties. Generator runtime burns propane fast (a 22 kW residential standby unit consumes around 3.6 gal/hour under load), pulling extra demand into August-November on top of the normal heating-season buildup.

4. Title 24 and the natural-gas-dominant urban mix. SoCalGas and PG&E natural-gas distribution covers most of urban California, leaving propane as the dominant fuel only in rural mountain and off-grid communities (Sierra Nevada, Trinity, Mendocino, Lake, Tehachapi). California's 2025 Title 24 energy code, effective for permits filed from 1 January 2026, pushes new construction toward heat pumps and electric-ready installs, which constrains future residential propane base growth. Result: a small, dispersed customer base served by long supply chains, with weaker route economies than denser propane markets enjoy.

California Propane Fill Costs by Tank Size (at $3.42/gal)

Propane tanks fill to 80% of stated capacity (the "80% rule") to allow for thermal expansion. This is a federal NFPA 58 safety requirement, not a supplier markup. Below is what each fill costs at the CA 2026 retail estimate, compared to the national average. Real-world quotes vary materially by county and route density.

Tank size	Usable gallons (80%)	Fill cost at $3.42/gal	vs national ($2.67/gal)
100 gal	80 gal	$274	+$60
250 gal	200 gal	$684	+$149
500 gal	400 gal	$1368	+$298
1000 gal	800 gal	$2736	+$597

Compare to the national refill cost guide or check pricing in other states.

How to Find a Licensed Propane Supplier in California

Buying propane from an unlicensed dealer is both a safety risk and a consumer-protection risk: licensed dealers must comply with NFPA 58 storage and delivery standards, California's adopted LP-Gas Code, and CDFA meter-accuracy requirements. Three reliable starting points:

Cal Fire Office of the State Fire Marshal (OSFM): California's LP-Gas Code is enforced by OSFM, which licenses LP-Gas system installers and certifiers. Verify a supplier holds an active license at the GOVmotus public license search: calfire.govmotus.org/PublicTools. OSFM headquarters at 715 P Street, Sacramento.
CDFA Division of Measurement Standards (DMS): anyone who sells, installs, services, or repairs the propane meters on a bobtail truck or bulk plant must be licensed by CDFA DMS, with traceability to NIST standards. County Sealers of Weights and Measures inspect meter accuracy. Find DMS info at cdfa.ca.gov/dms and your county Sealer at cdfa.ca.gov/exec/county/Sealer.html.
Western Propane Gas Association (WPGA): the California-focused propane industry trade body, founded 1949, headquartered at 1107 9th Street, Sacramento. Member directory and California-specific consumer resources at westernpga.org and the consumer-facing usecaliforniapropane.com.
National Propane Gas Association (NPGA): the national trade association member directory at npga.org covers California suppliers as well as national chains.

Always get a written quote that itemises per-gallon price, delivery fee, tank rental (if applicable), minimum-delivery surcharge, and any monthly tank fee. Compare two or three quotes before committing. Per-gallon spreads of 30 to 60 cents within the same county are common, and rural-route premiums of 60 cents to $1.20 above the statewide estimate are routine in mountain counties.

Tier-1 supplier list coming. A hand-curated list of named California propane suppliers (with HQ, coverage area, and notes on contract types) is in our editorial pipeline. We publish supplier lists only once each name has been verified against the Cal Fire OSFM active license search and the supplier's own active California service-area page. We do not generate supplier names from training data; that is a hallucination risk we treat seriously.

Wildfire Season, PSPS, and Propane Generator Demand

Public Safety Power Shutoffs (PSPS), which are preemptive grid de-energizations during high-wind, high-fire-risk weather, have made propane-fueled standby generators a near-default purchase for rural and wildland-urban interface households across PG&E and SCE service territories. Sonoma, Napa, Lake, Mendocino, Trinity, El Dorado, Placer, Nevada, Tuolumne, and Tehama counties have seen the most concentrated generator adoption.

Generator runtime burns propane fast. A 22 kW residential standby generator consumes roughly 3.6 gal/hour under load, so a 48-hour PSPS event drains around 170 gallons, close to a full 250-gallon tank's usable capacity. Suppliers in Tier 2 and Tier 3 Fire Threat Districts now build PSPS topoff routes into their late-summer delivery schedules, and many local agencies require generator-only customers to maintain a minimum 50% tank level from August through November.

LIHEAP support via California CSD. The California Department of Community Services and Development (CSD) administers the federal Low Income Home Energy Assistance Program for California, delivered locally by 41 Local Service Providers (typically Community Action Agencies). Eligibility is set at 60% of California State Median Income or below, with priority for older adults, persons with disabilities, and households with young children. The 2026 program year (October 2025 to September 2026) was funded at $236 million federal. Apply via your county Local Service Provider; find yours at csd.ca.gov/Pages/LIHEAPProgram.aspx.

Pre-fire-season fill is the single best PSPS-prep move. Top up to 80% by late July if you live in a CPUC-mapped Tier 2 or Tier 3 Fire Threat District. Propane wholesale prices are typically near their seasonal lows in May to July, before any wildfire-season demand kicks in. By late August, fire-zone routes get crowded and supplier lead times stretch, with $3.82-$4.22/gal premiums over the statewide estimate common during active PSPS weeks.

California vs Other West States (2026)

State	Price/gal	500-gal refill (400 usable)	vs national ($2.67)
Hawaii	$4.15	$1660	+55%
Alaska	$3.85	$1540	+44%
California (this page)	$3.42	$1368	+28%
Washington	$3.02	$1208	+13%
Oregon	$2.98	$1192	+11%
Nevada	$2.95	$1180	+10%
New Mexico	$2.93	$1172	+10%
Arizona	$2.72	$1088	+2%
Idaho	$2.40	$959	-10%
Utah	$2.34	$935	-13%
Colorado	$2.30	$921	-14%
Wyoming	$2.27	$906	-15%
Montana	$2.12	$848	-21%

California sits behind only Hawaii and Alaska in the West cluster, both of which are import-only island and remote-supply markets. Among contiguous Western states California is the most expensive, driven by PADD 5 supply-chain length, no in-state production of scale, and wildfire-season generator demand. The full West region averages $2.88/gal, with the contiguous-West subset (excluding HI and AK) averaging closer to the national mark of $2.67.

California Propane FAQ

How much does propane cost per gallon in California?

California residential propane is roughly $3.42/gal in 2026, +28% versus the $2.67 national average and +19% versus the $2.88 West regional average. Important caveat: the EIA State Heating Oil and Propane Program (SHOPP) does not publish a residential propane series for California, because PADD 5 has no SHOPP coverage. Our $3.42/gal figure is a manually-verified retail estimate cross-referenced against public California supplier surveys and California Public Utilities Commission filings, not an EIA SHOPP weekly value. Real-world quotes vary widely: rural Sierra Nevada and Trinity County routes can run $0.60 to $1.20/gal above this estimate, while denser Central Valley and SF Bay or LA suburban routes often quote closer to it. Always get two or three written quotes.

Why is California propane more expensive than most of the West?

Four structural drivers. (1) PADD 5 (the West Coast region) has no in-state propane production of any scale; California refineries produce only minor LPG byproducts, so the state imports propane via rail and truck from Gulf Coast and Rocky Mountain producers, with long supply chains baked into every gallon. (2) Limited regional refining and storage capacity inside PADD 5 means CA cannot draw on the same pipeline-fed terminal density as Texas, Louisiana, or the Marcellus. (3) Wildfire-season demand spikes (particularly during PG&E and SCE Public Safety Power Shutoff events) pull propane into standby-generator deliveries from August through November, tightening retail margins in mountain and rural counties. (4) California's residential propane base is small relative to natural gas (SoCalGas and PG&E dominate urban distribution), so propane suppliers serve a dispersed customer base outside dense corridors, with weaker route economies. The result: CA sits at $3.42/gal, +19% versus the $2.88 West regional average, behind only Hawaii and Alaska in our 2026 West dataset.

Does LIHEAP help pay for propane in California?

Yes. California runs the federal Low Income Home Energy Assistance Program through the California Department of Community Services and Development (CSD) at csd.ca.gov, delivered locally by 41 community-based Local Service Providers (typically Community Action Agencies) across the state. Eligibility is set at gross household income at or below 60% of the California State Median Income, with priority for older adults, persons with disabilities, and households with young children. The program pays a benefit directly to your propane supplier (or other home-energy provider) toward winter fuel costs. CSD's 2026 program year runs October 2025 through September 2026 with $236 million in federal funding allocated. Apply through your county Local Service Provider; find yours at csd.ca.gov/Pages/LIHEAPProgram.aspx. Apply early in the heating season because crisis-only applications during a January cold snap can face delivery delays.

How do I find a licensed propane supplier in California?

California propane retailers and installers are regulated by Cal Fire's Office of the State Fire Marshal (OSFM) under the LP-Gas program, which licenses LP-Gas system installers and certifiers under California's adopted LP-Gas Code. Use the OSFM license search at calfire.govmotus.org/PublicTools to verify a company holds an active license before signing a contract. Separately, the California Department of Food and Agriculture (CDFA) Division of Measurement Standards licenses anyone who sells, services, or repairs commercial weighing and measuring devices, which includes the propane meters on every bobtail delivery truck and bulk plant in the state, regulated under California Code of Regulations Title 4, Division 9. The Western Propane Gas Association (WPGA) at westernpga.org is the California-focused industry trade body and a useful starting point for member directories. Nationally, the National Propane Gas Association at npga.org also publishes a member directory.

How does wildfire season and PSPS affect California propane demand?

Significantly, in PG&E and SCE service territories. Public Safety Power Shutoff (PSPS) events, which are preemptive grid de-energizations during high-wind, high-fire-risk weather, have made propane-fueled standby generators a near-default purchase for rural and wildland-urban interface households across Sonoma, Napa, Lake, Mendocino, Trinity, El Dorado, Placer, Nevada, Tuolumne, and Tehama counties. Generator runtime burns propane fast: a 22 kW residential standby generator under load consumes roughly 3.6 gal/hour, so a 48-hour PSPS event drains around 170 gallons. This pulls propane into standby-generator topoffs from August through November, on top of normal heating-season buildup, and tightens supplier delivery schedules in fire-zone counties. If you live in a Tier 2 or Tier 3 Fire Threat District, fill your tank to 80% by late July and confirm your supplier prioritises generator-only customers during widespread outages.

What about agricultural propane: frost protection, dairy, crop drying?

California is one of the largest agricultural propane markets in the US, but the demand profile is very different from residential heating. Citrus growers in the southern San Joaquin Valley (Tulare, Kern, Fresno counties) and along the Central Coast use propane-fired wind machines and orchard heaters for frost protection during late-winter cold snaps; a single hard-frost night across a major district can pull 100,000+ gallons in 6-8 hours. Dairy operations in the Central Valley use propane for barn heating, cleaning hot water, and emergency power. Almond, walnut, and tomato growers use propane for crop drying and steam-flaming weed control. This agricultural baseline keeps PADD 5 retail margins firmer than the residential customer base alone would justify, and explains why early-spring residential pricing in CA can spike independently of the national winter cycle.

How does California's Title 24 energy code affect propane?

California's 2025 Building Energy Efficiency Standards (Title 24, effective for permits applied for on or after 1 January 2026) move new construction to a single-fuel baseline that effectively makes heat pumps the standard for space and water heating. Gas and propane appliances are not banned outright, but a new home using them has to make up for the energy-budget gap with extra insulation, better windows, or other compensating measures. Title 24 also requires gas- or propane-water-heated and -space-heated new homes to be electric-ready (pre-wired and pre-plumbed for a future heat pump retrofit), and prohibits gas-only pool heaters as the primary source for new and major-renovation pools from 1 January 2026. Practical effect for propane: new-build residential demand will trend down over the next decade in regulated jurisdictions, but Title 24 does not touch retrofit, off-grid, or rural customers in counties without natural gas distribution, where propane will remain the dominant heating fuel.