Building permits by Welzig Mechanical
| Trade | Permits | Last 12 mo | Usual filed value | vs trade | Active | Evidence | List position |
|---|---|---|---|---|---|---|---|
| HVAC & Mechanical | 88 | 15 | $6,895 | 0.65× the usual for the trade | Oct 2023 – May 2026 | Strong | — |
| Water Heater | 9 | 3 | $3,006 | about the usual for the trade | Nov 2023 – Aug 2026 | Limited | #13 of 125 |
List position: where the firm lands on the Boulder comparison for that trade at default settings (or at a typical budget), among firms without a license problem. It's a match score from public records, not a quality rating.
Filed value is what was written on the permit, not a quote or final bill. Some jobs never need a permit.
License
- Status on the license recordActive
- License numberCity of Boulder #LIC-0003640-MECHB
- Class / typeMechanical contractor, Class B Commercial and Residential
- Check it yourselfCity of Boulder contractor licensing
Complaints, lawsuits and the permit record
Our record covers building permits, not complaints or court cases. In Boulder, CO, Welzig Mechanical pulled 97 permits 2023–2026; about 51% of those old enough to judge reached completion, and 40 of 80 permits a year or more old are still open. To check complaints and lawsuits, search City of Boulder for #LIC-0003640-MECHB (City of Boulder contractor licensing), BBB complaints for Welzig Mechanical and Boulder County court records.
We never say whether a complaint or lawsuit exists: we do not hold those records.
Questions
- How many permits has Welzig Mechanical pulled in Boulder, CO?97 matching permits between Oct 2023 and Aug 2026, 18 of them in the last 12 months.
- What work does Welzig Mechanical do?By permit count: HVAC & Mechanical, Water Heater.
- Is Welzig Mechanical licensed?Yes: City of Boulder license #LIC-0003640-MECHB (Mechanical contractor, Class B Commercial and Residential), Active. We match by name, so confirm the number on the official City of Boulder contractor licensing before signing.
- Are there complaints or lawsuits against Welzig Mechanical?Our record covers building permits, not complaints or court cases. In Boulder, CO, Welzig Mechanical pulled 97 permits 2023–2026; about 51% of those old enough to judge reached completion, and 40 of 80 permits a year or more old are still open. To check complaints and lawsuits, search City of Boulder for #LIC-0003640-MECHB (City of Boulder contractor licensing), BBB complaints for Welzig Mechanical and Boulder County court records.
- Are there reviews of Welzig Mechanical in Boulder, CO?We do not collect reviews. What we hold is the public permit record: Welzig Mechanical pulled 97 permits in Boulder, CO from Oct 2023 to Aug 2026, about 51% finished. City of Boulder license #LIC-0003640-MECHB: Active. For reviews, see the firm’s BBB profile or Google listing, and check them against this record.
Where Welzig Mechanical works
The ZIP codes where Welzig Mechanical filed the most of its 97 permits on homes in Boulder, counted at each property's ZIP code. A ZIP code opens every permit we track there and the most active firms in each trade.
Similar HVAC contractors in Boulder
The 5 HVAC contractors closest to Welzig Mechanical's 88 HVAC & mechanical permits. Similar volume, not similar quality.
- My Guy Heating and Air · 106 permits
- Breakers Electric · 86 permits
- Solid Mesa LLC dba Mesa Plumbing Heating & Cooling · 79 permits
- Midwest Appliance and HVAC · 72 permits
- Envision Solutions LLC · 67 permits
Compare Welzig Mechanical with other Boulder HVAC & mechanical contractors
Every permit record in the city, side by side. Pick what you value. The list moves.
Source: public permit records (Boulder), matched by contractor name. How the records work. Something wrong? Firms can request a correction.