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Strainline

Strainline Price ReportContra Costa County, CAUpdated August 24, 2026

Contra Costa County cannabis price report

The average price of an ounce of flower in Contra Costa County is $87.45 as of August 24, 2026.

Copies a dated link: cheapest-first, zero paid placement.
Flowerdown 4.3%this month
Vape cartridgesup 2.1%this month

Price index by category

as of August 24, 2026
CategoryAvgLowHighProductsShops
Flower, ounce (28g)$87.45$19$22517718
Flower per gram$7.45/g$0.09/g$72/g458531
Pre-Rolls per piece$11.89/piece$0.20/piece$140/piece379831
Cartridges per gram$28.40/g$1/g$136/g541430
Concentrates per gram$28.23/g$1/g$374/g216031
Edibles per mg THC$1.40/mg THC$0.01/mg THC$29/mg THC255931

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 August 24, 2026
July 6, 2026August 24, 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 August 24, 2026, the average price of an ounce (28g) of flower in Contra Costa County is $87.45, ranging from $19 to $225 across 18 dispensaries.
What's the average price of flower in Contra Costa County?
As of August 24, 2026, the average price of flower in Contra Costa County is $7.45 per gram and as low as $0.09 per gram, across 4585 products from 31 dispensaries.
What's the average price of pre-rolls in Contra Costa County?
As of August 24, 2026, the average price of pre-rolls in Contra Costa County is $11.89 per piece and as low as $0.20 per piece, across 3798 products from 31 dispensaries.
What's the average price of vape cartridges in Contra Costa County?
As of August 24, 2026, the average price of vape cartridges in Contra Costa County is $28.40 per gram and as low as $1 per gram, across 5414 products from 30 dispensaries.
What's the average price of concentrates in Contra Costa County?
As of August 24, 2026, the average price of concentrates in Contra Costa County is $28.23 per gram and as low as $1 per gram, across 2160 products from 31 dispensaries.
What's the average price of edibles in Contra Costa County?
As of August 24, 2026, the average price of edibles in Contra Costa County is $1.40 per mg THC and as low as $0.01 per mg THC, across 2559 products from 31 dispensaries.
Are flower prices in Contra Costa County going up or down?
As of August 24, 2026, flower prices in Contra Costa County fell 4.3% over the past month.
Are vape cartridge prices in Contra Costa County going up or down?
As of August 24, 2026, vape cartridge prices in Contra Costa County rose 2.1% over the past month.