Private Investigator in Longmont, CO Across the Boulder-Weld County Line

01Local knowledge

Why Longmont Cases Benefit From an Investigator Who Knows the Valley

Longmont passed 100,000 residents in the 2025 Census estimate, and it grew from a town founded in 1871 by the Chicago-Colorado Colony into a city that stretches from northeastern Boulder County into western Weld County. US 287 runs through the center as Main Street, State Highway 119 links the city to Boulder and to I-25, and St. Vrain Creek crosses just south of downtown. Our Colorado surveillance investigations are planned around those few main arteries and the farm roads that connect them.

A subject who lives in Longmont may work in Boulder, shop in Loveland and visit family in Firestone or Frederick, all within a short drive. We set vehicle positions and alternate routes before a shift starts, so a sudden turn onto SH 119 or an I-25 on-ramp does not end the day's coverage. If the trip continues out of Colorado, surveillance across state lines carries on under the same written scope, and the Colorado investigator directory shows how every statewide file is supervised.

• Population about 100,109 (2025 estimate)
• US 287 and SH 119 carry most through traffic
• Firestone, Frederick and Mead lie just east

02Infidelity, family and custody

Infidelity, Separation and Parenting-Time Cases in Longmont

Colorado divorce is no-fault, so an affair is not a ground for dissolution under C.R.S. § 14-10-106, and one spouse must have lived in Colorado for 91 days before filing. The decree cannot enter until at least 91 days after the court gains jurisdiction over the other spouse, which usually means after service. Facts about a relationship can still bear on spending and credibility. Our Colorado marital infidelity investigations document conduct lawfully, and out-of-state infidelity investigations follow a spouse who travels for the relationship.

When children are involved, Colorado courts allocate parental responsibilities under C.R.S. § 14-10-124 by the child's best interests, considering factors such as each parent's past involvement, the child's adjustment to home and school, and each parent's willingness to encourage the child's relationship with the other. If abuse or domestic violence is proven, joint decision-making over the other parent's objection is generally disfavored. We document what happens at exchanges and in the home with dated entries, and our Colorado parenting-time investigation guide explains what courts tend to find useful.

03Attorney and litigation support

Litigation Support for Longmont Cases in Two Judicial Districts

Longmont addresses in Boulder County fall in the 20th Judicial District, which keeps a court location at 1035 Kimbark Street in Longmont and its main combined court at 1777 Sixth Street in Boulder. Addresses on the Weld side fall in the 19th Judicial District, whose courts are at the Weld County Courthouse at 901 Ninth Avenue in Greeley. County court civil cases run up to $25,000 and small claims up to $7,500. Our Colorado litigation support for attorneys works witness locates and statements for either district.

Federal cases from the St. Vrain Valley go to the U.S. District Court for the District of Colorado, whose clerk's office is in the Arraj Courthouse in Denver. Before a hearing, counsel can order witness background research in Colorado on prior statements, lawsuits and affiliations. For criminal matters, our DUI defense investigations review stops, timelines and witnesses under C.R.S. § 42-4-1301, which sets a 0.08 per se limit and treats any impairment to the slightest degree as DWAI.

04Business, insurance and the local economy

Manufacturing, Healthcare and Employer Investigations in Longmont

Longmont's 2020 financial report listed St. Vrain Valley Schools, the City of Longmont, Seagate Technology, Intrado and two hospitals among its largest employers, with the Federal Aviation Administration also on the list. Manufacturing floors, warehouses and clinics each have their own loss patterns, from tools and components that disappear to payroll padding. Our workplace theft investigations trace how goods or money left and who had access, and employee surveillance in Colorado documents conduct during work hours under a written scope.

Injury and liability claims are routine for employers this size. Colorado law expects insurers to fight fraud: C.R.S. § 10-1-128 requires carriers to maintain anti-fraud plans that include fraud investigators, and the workers' compensation fraud statute, C.R.S. § 8-43-402, makes a knowingly false statement a class 6 felony with forfeiture of benefits. Our workers' compensation surveillance is gathered lawfully in public places, and our fraud risk audits help employers find weak controls before a loss occurs.

05Locates, skip tracing and service

Locates, Skip Tracing and Service on Both Sides of the County Line

New subdivisions east of town, rentals near Main Street and frequent moves between Longmont, Erie and the Weld County towns make old addresses unreliable. Every locate combines records research with a field check before we call an address current. Our Colorado skip tracing services cover witnesses, heirs and former tenants, and hit-and-run skip tracing helps victims and their attorneys identify a driver who left the scene, working with the police report rather than around it.

Once the person is confirmed, Delator Field Services coordinates service with logged, time-stamped attempts and a signed affidavit of service. Published Routine starting rates are $135 in Boulder County and $125 in Weld County, and the final price is confirmed in writing first. Because the address decides the county, we check it before quoting. Weld-side papers can also be routed through our Greeley process server page, and Boulder-side papers through the Boulder process serving team.

06Colorado legal limits

Colorado Does Not License PIs: How to Choose a Longmont Private Investigator

There is no state private investigator license in Colorado today. The licensing program that began in 2015 ended after HB20-1207 was vetoed in July 2020, and the state repealed the related rules in 2022. Old websites still describe license levels and bonds that no longer exist. Ask any investigator for a certificate of insurance, a written scope, a redacted sample report and a named supervisor. Our Colorado investigator vetting guide covers each item, and Delator Group, a licensed Tennessee firm, applies Tennessee's standard to every Longmont file.

Colorado criminal law sets the boundaries. A participant can generally record a conversation, but recording others' conversations without a party's consent is eavesdropping or wiretapping under C.R.S. §§ 18-9-303 and -304. Stalking under C.R.S. § 18-3-602 includes repeatedly placing someone under surveillance in a way that causes serious emotional distress, and it is a felony. That is why our work is scoped, purposeful and documented, and why we never put trackers on vehicles. Read Colorado's limits on investigator conduct before you hire.

• Certificate of liability insurance
• Written scope with hours and price
• Redacted sample report
• One supervisor who owns the file

07The county-line angle

One City, Two Counties: Getting Venue and Records Right in Longmont

Most of Longmont lies in Boulder County, but its eastern neighborhoods extend into Weld County, and the line does not follow an obvious street. The Weld County Sheriff's civil unit tells filers to call first for Longmont, Erie and Brighton addresses to confirm which county they are in, and it serves only people who live or work in Weld. Boulder's sheriff, by contrast, accepts process from every Colorado county. We confirm the county for each address before anything is filed, served or quoted.

The split matters for records as well. Property, court and recorder records for a Weld-side address sit with Weld County offices in Greeley, while Boulder-side records stay in Boulder, so a search of one county can miss half the picture. Our investigative consulting for Colorado matters maps both before a case is filed. Where the dispute is a damaged vehicle or a repair bill, our auto shop damage investigations and auto repair scam investigations document what happened for counsel or small claims court.

Services

Investigative Services in Longmont and the St. Vrain Valley

• SurveillancePlanned static and mobile coverage across Longmont, Niwot, Firestone and Frederick, recorded with time-stamped photographs and a detailed written activity log.Learn more
• Infidelity investigationsLawful observation of a suspected affair from public places, documented clearly enough for a Boulder or Weld County family law attorney to assess.Learn more
• Parenting-time documentationDated notes on exchanges, supervision and home conditions linked to Colorado's best-interest factors, collected without approaching or following the child.Learn more
• Attorney supportWitness interviews, records research and trial preparation for counsel in the 19th and 20th Judicial Districts and the federal court in Denver.Learn more
• DUI defenseReview of the stop, the timeline and available witnesses for attorneys defending DUI and DWAI charges in Longmont and the surrounding county courts.Learn more
• Workplace theftFact-finding on missing inventory, tools and funds for Longmont manufacturers, warehouses and retailers, reported in writing for management and counsel.Learn more
• Workers' comp surveillanceLawful observation of disputed injury claims in public settings, written up with balanced findings that note facts favoring the claimant too.Learn more
• Skip tracingRecords research with field confirmation to locate witnesses, debtors and relatives who moved within the St. Vrain Valley or out of Colorado.Learn more
• Fraud risk auditsA structured review of cash handling, purchasing and access controls that helps Longmont employers close gaps before a theft or fraud loss happens.Learn more

Every service

Investigations available in Longmont

Every service below is available in Longmont and across Colorado, run by the same Delator Group leadership that manages our Tennessee casework. Choose a service to read how it works in Colorado.

How it works

How a Longmont Investigation Proceeds From First Call to Report

1. 01

   Confidential first call

   You explain the situation to a member of Delator leadership by phone or video. We tell you directly whether an investigation can answer the question and what details we will need.

2. 02

   Written scope and fee

   Objectives, hours, travel and cost go into a written scope you approve before assignment. Field time is $100 per hour and stays inside the agreed ceiling.

3. 03

   Field work in both counties

   The investigator works the file in Longmont and wherever the subject travels during approved hours, logging every observation and sending written updates at set checkpoints.

4. 04

   Report for the right court

   You receive a written report with dated photographs, a timeline and source notes, organized for counsel in Boulder County, Weld County or federal court as the case requires.

Compare

Typical Longmont Matters and How They Are Priced

Local coverage

Longmont Neighborhoods and Nearby Communities We Cover

• Downtown Longmont (Main Street)
• Prospect New Town
• St. Vrain Creek corridor
• East Longmont (Weld County side)
• Niwot
• Hygiene
• Lyons
• Mead
• Firestone
• Frederick
• Erie
• Berthoud

Nearby

Investigators Near Longmont

Longmont cases cross city limits all the time. Work heading southwest on SH 119 continues with our Boulder investigator page, northbound files on US 287 reach Loveland investigations, and Weld County matters connect to investigators covering Greeley. Cases that drift south along US 36 link to the Broomfield investigations team. One leadership group supervises every Colorado file, so a case that moves between Boulder and Weld counties keeps a single point of contact and one written scope from intake to the final report.

• Boulder
• Loveland
• Broomfield
• Fort Collins
• Greeley
• Thornton

FAQ

Frequently asked questions

Service areas

Private investigators across Colorado