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Strainline

Strainline Price ReportContra Costa County, CAUpdated October 20, 2026

Contra Costa County cannabis price report

The average price of an ounce of flower in Contra Costa County is $88.18 as of October 20, 2026.

Copies a dated link: cheapest-first, zero paid placement.
Flowerdown 8.8%this month
Vape cartridgesdown 2.6%this month

Price index by category

as of October 20, 2026
CategoryAvgLowHighProductsShops
Flower, ounce (28g)$88.18$19$22520417
Flower per gram$7.52/g$0.09/g$105/g470630
Pre-Rolls per piece$12.01/piece$0.25/piece$65/piece380230
Cartridges per gram$28.18/g$1/g$136/g553429
Concentrates per gram$28.90/g$1/g$262.50/g207630
Edibles per mg THC$1.34/mg THC$0.01/mg THC$26/mg THC250330

Avg / Low / High are computed across in-stock listings at licensed Contra Costa County dispensaries. Per-category figures are normalized to the unit shown; the ounce row is the raw 28g price. No paid placement; ranking is objective.

Flower price trend

weekly avg $/g · through October 20, 2026
July 20, 2026October 19, 2026

Weekly mean per-gram flower price across Contra Costa County from the Strainline time-series. Bars are relative within the window shown.

Common questions

What's the average price of an ounce of flower in Contra Costa County?
As of October 20, 2026, the average price of an ounce (28g) of flower in Contra Costa County is $88.18, ranging from $19 to $225 across 17 dispensaries.
What's the average price of flower in Contra Costa County?
As of October 20, 2026, the average price of flower in Contra Costa County is $7.52 per gram and as low as $0.09 per gram, across 4706 products from 30 dispensaries.
What's the average price of pre-rolls in Contra Costa County?
As of October 20, 2026, the average price of pre-rolls in Contra Costa County is $12.01 per piece and as low as $0.25 per piece, across 3802 products from 30 dispensaries.
What's the average price of vape cartridges in Contra Costa County?
As of October 20, 2026, the average price of vape cartridges in Contra Costa County is $28.18 per gram and as low as $1 per gram, across 5534 products from 29 dispensaries.
What's the average price of concentrates in Contra Costa County?
As of October 20, 2026, the average price of concentrates in Contra Costa County is $28.90 per gram and as low as $1 per gram, across 2076 products from 30 dispensaries.
What's the average price of edibles in Contra Costa County?
As of October 20, 2026, the average price of edibles in Contra Costa County is $1.34 per mg THC and as low as $0.01 per mg THC, across 2503 products from 30 dispensaries.
Are flower prices in Contra Costa County going up or down?
As of October 20, 2026, flower prices in Contra Costa County fell 8.8% over the past month.
Are vape cartridge prices in Contra Costa County going up or down?
As of October 20, 2026, vape cartridge prices in Contra Costa County fell 2.6% over the past month.