
Westminster Drug Offense Lawyers — Drug Charge Defense in Adams and Jefferson Counties
Westminster’s position on US-36 and near I-25 — two of the most heavily traveled corridors in the north Denver metro — makes drug enforcement a consistent priority for law enforcement in both Adams and Jefferson counties. Drug cases in Westminster range from first-offense possession misdemeanors to serious felony distribution and trafficking cases arising from highway stops, and they can land in either county’s court depending on where the stop or conduct occurred. Burnham Law’s Westminster drug offense attorneys defend clients at every level of drug charge severity in both Adams County and Jefferson County District Courts, with a specific focus on the Fourth Amendment suppression issues that drive outcomes in most Westminster drug cases.
Meet our Westminster criminal defense team below — attorneys experienced in drug offense defense in both Adams County and Jefferson County District Courts.




Drug Laws in Colorado
Colorado’s Drug Code classifies controlled substances into five schedules. Under the SB 19-013 reforms, simple possession of most Schedule I or II substances for a first or second offense is a level 1 drug misdemeanor — carrying up to 180 days in jail with treatment alternatives. A third or subsequent possession offense can be charged as a level 4 drug felony. Distribution, manufacturing, and trafficking remain felonies at every level, with sentences ranging from level 4 drug felony (6 months to 2 years) to level 1 drug felony (8 to 32 years).
Marijuana is legal in Colorado for adults 21 and over in amounts up to one ounce. Possession above the legal limit, distribution without a license, sale to minors, and use in a vehicle or public place remain criminal. Westminster’s major commercial corridors and residential areas generate marijuana-related offenses alongside cases involving other controlled substances.
Westminster’s dual-county geography creates a specific complexity in drug cases: the same stop on US-36 can result in a case filed in Adams County or Jefferson County depending on the precise location, and the two DA’s offices approach drug prosecution — their charging practices, their plea negotiation tendencies, and their diversion availability — somewhat differently. A drug case that might resolve through diversion in Jefferson County may be approached differently in Adams County for the same charge type, and vice versa.
What Our Westminster Drug Defense Attorneys Challenge
The traffic stop — Adams and Jefferson County stops: Drug cases in Westminster are frequently built on evidence from traffic stops on US-36, Wadsworth, or Sheridan. The stop must be supported by reasonable articulable suspicion of a traffic violation or criminal activity. If the stop was unlawful — in either county’s jurisdiction — all evidence flowing from it, including the drugs, must be suppressed. We scrutinize every Westminster drug stop for constitutional defects in both county contexts.
Extended detention and consent search: US-36 and Wadsworth drug stops often involve extended detentions beyond the scope of the original traffic stop and requests for consent to search. Both require independent constitutional justification. Extended detention without reasonable suspicion violates Rodriguez v. United States. Consent to search must be voluntary — not coerced by the circumstances of a roadside stop. We challenge both issues in every Westminster drug case where they arise.
Chain of custody and laboratory analysis: Drug evidence from Westminster stops must be properly collected, documented, stored, and tested. Chain of custody failures and laboratory methodology deficiencies undermine admissibility in both Adams and Jefferson County courts. We review complete chain of custody and lab documentation in every drug case.
Knowledge and constructive possession: The prosecution must prove knowing possession — the defendant knew the substance was present and knew it was controlled. In cases involving shared vehicles, shared residences, or drugs found in common areas accessible to multiple people, this element is genuinely contestable in both county courts.
County-specific suppression strategy: While the Fourth Amendment applies consistently, Adams County and Jefferson County judges bring different approaches to suppression hearings — different standards for how they evaluate officer credibility, how they apply Rodriguez, and what they find persuasive in suppression arguments. We tailor suppression motions and hearing strategy to the specific county’s judicial tendencies.
How Drug Cases Work in Westminster
Westminster drug cases range from first-offense possession misdemeanors — where Adams County and Jefferson County each offer diversion and treatment alternatives — to complex trafficking investigations with multiple defendants and extensive law enforcement surveillance. Both counties have programs that provide alternatives to conventional prosecution for eligible possession defendants, though the specific programs differ in structure and eligibility.
For distribution and trafficking felony cases arising from Westminster highway stops, the defense focus is almost entirely on the constitutional basis for the stop, the detention, and the search. The Fourth Amendment suppression motion is the primary defense tool — and winning it typically ends the prosecution. We invest heavily in suppression preparation for every Westminster drug case with constitutional issues, calibrating the motion and the hearing strategy to the specific county’s court.
Westminster drug cases in Adams County are handled by the 17th Judicial District DA’s office; those in Jefferson County by the 1st Judicial District. Each office has its own approach to drug case prosecution — their charging practices for distribution versus possession, their plea negotiation tendencies, and their openness to treatment-based alternatives. Knowing both offices’ approaches is essential to effective Westminster drug defense.
Why Burnham Law for Drug Defense in Westminster
Dual-county drug defense expertise. Westminster drug cases land in either Adams or Jefferson County courts. We handle drug cases in both the 17th and 1st Judicial Districts and know each office’s prosecution approach and each county court’s suppression hearing tendencies.
Fourth Amendment suppression focus. Drug cases are won or lost on whether the search was constitutional. We file thorough, well-researched suppression motions calibrated to the specific county court — and we win them with enough regularity that opposing counsel evaluates our cases differently because of it.
US-36 and Wadsworth corridor stop experience. Westminster drug stops along US-36, Wadsworth, and I-25 have specific constitutional patterns — extended detentions, consent search requests, dog sniff deployments — that we handle with the Fourth Amendment depth these cases require in both county courts.
County-appropriate diversion advocacy. Both Adams and Jefferson County have diversion programs for eligible drug defendants. We know both programs and advocate effectively for our clients in whichever county has jurisdiction.
Frequently Asked Questions — Westminster Drug Offenses
Which county court handles a Westminster drug case?
The county that handles a Westminster drug case is determined by where the conduct — the traffic stop, the transaction, or the possession — occurred. Eastern Westminster generally falls in Adams County (17th JD); western Westminster generally falls in Jefferson County (1st JD). For highway stops on US-36, the specific mile marker determines the county. We identify the correct jurisdiction immediately for every Westminster drug case.
What constitutional issues arise in Westminster highway drug stops?
Westminster drug stops on US-36, Wadsworth, and near I-25 frequently present Fourth Amendment issues including: Was the initial stop supported by reasonable articulable suspicion? Was the detention extended beyond the scope of the traffic stop without independent reasonable suspicion, in violation of Rodriguez v. United States? Was the consent to search truly voluntary, or was it coerced by the circumstances of a highway stop? Was the deployment of a drug-detection dog properly supported? These issues arise regularly in Westminster highway drug stops and are the primary defense tools in cases built on roadside drug evidence.
Are the Adams County and Jefferson County DA’s offices different in drug cases?
Yes — the 17th Judicial District (Adams County) and 1st Judicial District (Jefferson County) approach drug prosecution somewhat differently. Their charging practices, plea negotiation tendencies, treatment alternative availability, and culture around drug diversion differ in ways that affect what outcomes are realistic for specific charges in each county. A Westminster drug defense strategy must be calibrated to the specific DA’s office handling the case.
Can a Westminster drug charge be dismissed or diverted?
Yes. Drug charges in Westminster are dismissed through pretrial suppression of drug evidence where constitutional violations exist, through successful completion of diversion or treatment programs, through the DA’s determination that evidence is insufficient, and through acquittal at trial. For first-time possession defendants, diversion leading to dismissal is a realistic and frequently achieved outcome with experienced defense counsel in both Adams and Jefferson County courts.
How does a drug conviction affect employment in Westminster?
Drug convictions can affect employment across many Westminster industries. Healthcare, technology, education, and financial services employers conduct background checks that reveal drug convictions. A conviction involving distribution or dishonesty has broader employment impact than simple possession. Professional licensing boards in nursing, education, engineering, financial services, and other licensed fields have their own standards for evaluating drug convictions — some trigger mandatory reporting, others are evaluated case by case. We advise Westminster clients on these consequences and structure defense strategy to minimize them.
Schedule a Consultation with a Westminster Drug Offense Lawyer
Drug charges in Westminster — whether a possession misdemeanor or a highway trafficking felony — require defense counsel who knows both Adams and Jefferson County’s courts. Burnham Law’s Westminster drug defense attorneys are ready to evaluate your case and pursue the best available outcome in whichever county has jurisdiction.
Call (303) 990-5308 or schedule a confidential consultation online. We defend drug charges throughout Westminster, Adams County, and Jefferson County.