Building permits by Welzig Mechanical
| Trade | Permits | Last 12 mo | Usual filed value | vs trade | Active | Evidence | List position |
|---|---|---|---|---|---|---|---|
| Heating & Cooling | 78 | 29 | $7,673 | 0.69× the usual for the trade | May 2023 – Apr 2026 | Strong | #15 of 177 |
| Plumbing & Water Heater | 11 | 4 | $1,574 | 0.44× the usual for the trade | Dec 2023 – Apr 2026 | Limited | #5 of 116 |
| Electrical | 3 | 2 | — | — | Apr 2025 – Dec 2025 | Limited | — |
List position: where the firm lands on the Boulder County (unincorporated) 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; a usual value needs 5 or more priced permits in the trade. Some jobs never need a permit.
License
- Status on the license recordWe do not hold Boulder County's license file for Boulder County, CO, so no license is matched here.
- Check it yourselfBoulder County licensed contractors
Complaints, lawsuits and the permit record
Our record covers building permits, not complaints or court cases. In Boulder County, CO, Welzig Mechanical pulled 92 permits 2023–2026; about 54% of those old enough to judge reached completion, and 28 of 60 permits a year or more old are still open. To check complaints and lawsuits, search Boulder County (Boulder County licensed contractors), 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 County, CO?92 matching permits between May 2023 and Apr 2026, 35 of them in the last 12 months on file (May 2025–Apr 2026).
- What work does Welzig Mechanical do?By permit count: Heating & Cooling, Plumbing & Water Heater, Electrical.
- Is Welzig Mechanical licensed?We do not hold Boulder County's license file for Boulder County, CO, so no license is matched here; check Boulder County licensed contractors.
- Are there complaints or lawsuits against Welzig Mechanical?Our record covers building permits, not complaints or court cases. In Boulder County, CO, Welzig Mechanical pulled 92 permits 2023–2026; about 54% of those old enough to judge reached completion, and 28 of 60 permits a year or more old are still open. To check complaints and lawsuits, search Boulder County (Boulder County licensed contractors), BBB complaints for Welzig Mechanical and Boulder County court records.
- Are there reviews of Welzig Mechanical in Boulder County, CO?We do not collect reviews. What we hold is the public permit record: Welzig Mechanical pulled 92 permits in Boulder County, CO from May 2023 to Apr 2026, about 54% finished. 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 92 permits on homes in Boulder County (unincorporated), 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 County (unincorporated)
The 5 HVAC contractors closest to Welzig Mechanical's 78 heating & cooling permits. Similar volume, not similar quality.
- Precision Plumbing, Heating, Cooling & Electric · 110 permits
- Ims Heating and Air · 86 permits
- Cooper Heating and Cooling · 82 permits
- Blue Valley Heating and Cooling · 72 permits
- Precision Plumbing and Heating · 52 permits
Compare all Boulder County (unincorporated) HVAC contractors →
Compare Welzig Mechanical with other Boulder County (unincorporated) heating & cooling contractors
Every permit record in the county, side by side. Pick what you value. The list moves.
Source: public permit records (Boulder County (unincorporated)), matched by contractor name. How the records work. Something wrong? Firms can request a correction.