Startup Guide

How to Start a Backflow Testing Business in Colorado

Complete guide to starting a Backflow Testing business in Colorado. Licensing requirements, startup costs, revenue potential, and first-client strategies.

Market Opportunity in Colorado

Colorado is one of the strongest markets for backflow testing in the US due to aggressive water conservation laws, aging infrastructure, and a booming construction sector. Statewide demand is driven by mandatory annual testing for commercial, industrial, and multi‑family properties under local cross‑connection control programs. Population growth (projected +15% by 2030, concentrated along the Front Range) means thousands of new backflow assemblies are installed each year. Colorado’s arid climate also drives irrigation system backflow testing for residential and HOA customers. However, the market is fragmented: many small testers operate part‑time, creating opportunity for a professional, full‑service business. Challenges include varying municipal requirements and high saturation in Denver‑metro; suburban and mountain communities offer less competition.

State Licensing & Legal Requirements

Startup Costs

Revenue Potential in Colorado

Average job ticket for a backflow test in Colorado is $85–$150 per assembly. Commercial properties (apartments, office buildings) often have 2–10 assemblies per site, generating $300–$1,500 per visit. Residential irrigation tests average $75–$125. Market rates vary: Denver metro is lower ($75–$100) due to competition; mountain towns (Aspen, Vail, Durango) command $120–$180. Suburban Front Range (Fort Collins, Colorado Springs) sits in the middle ($90–$130).

Path to $5k/month: Complete 50–60 tests per month at an average $90/ticket. That’s 2–3 jobs per day, achievable with a part‑time schedule. Path to $10k/month: 100–120 tests per month (4–5 daily) or target commercial multi‑assembly accounts. Adding repair services (hourly $75–$100) and annual maintenance contracts can double your revenue without increasing test volume.

Your First 30 Days

  1. Day 1–5: Get certified (take an ASSE 5110 exam online or at a local training center). Register as an LLC with CO Secretary of State. Get EIN from IRS. Open a business bank account.
  2. Day 6–10: Buy your test kit and tools. Set up a simple website (Squarespace or Google Sites) with a contact form. Create a Google Business Profile (see next section).
  3. Day 11–15: Get insurance (contact local agent, request a CO‑specific backflow testing policy). Register with 3‑5 major water purveyors in your target city (e.g., Denver Water, Aurora Water, Centennial Water).
  4. Day 16–20: Print 500 door hangers/flyers offering “$20 off first test” or “free seasonal inspection.” Put them on commercial buildings and multi‑family complexes. Also visit 10–20 local property management offices (apartment complexes, HOAs) and leave your card.
  5. Day 21–25: Post on Nextdoor, Facebook neighborhood groups, and local Reddit (r/Denver, r/ColoradoSprings). Offer a free 5‑minute phone consultation for new clients.
  6. Day 26–30: Follow up with all leads from previous steps. Offer a “Grand Opening” discount for the first 5 customers. Book your first 5 tests by offering same‑day or next‑day scheduling.

Google Business Profile Strategy