Building permits by Ernest Ongaro & Sons Inc
| Trade | Permits | Last 12 mo | Usual filed value | vs trade | Active | Evidence | List position |
|---|---|---|---|---|---|---|---|
| HVAC | 329 | 93 | $7,275 | 0.55× the usual for the trade | Oct 2023 – Sep 2026 | Strong | #1 of 131 |
| Plumbing & Gas | 89 | 45 | $3,300 | 0.68× the usual for the trade | Oct 2023 – Sep 2026 | Strong | #1 of 94 |
| Water Heater | 87 | 14 | $2,500 | 0.60× the usual for the trade | Nov 2023 – Jan 2026 | Strong | #2 of 73 |
| Electrical | 73 | 20 | $3,500 | about the usual for the trade | Oct 2023 – Sep 2026 | Strong | #18 of 315 |
| Solar & Battery | 16 | 5 | $22k | 0.75× the usual for the trade | Oct 2023 – Dec 2025 | Moderate | #12 of 199 |
| EV Charger | 10 | 0 | $1,900 | about the usual for the trade | Oct 2023 – Sep 2025 | Limited | #9 of 68 |
| Kitchen, Bath & Remodel | 7 | 1 | $5,000 | 0.11× the usual for the trade | Nov 2023 – Oct 2025 | Limited | #13 of 379 |
List position: where the firm lands on the Marin 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. Some jobs never need a permit.
License
- Status on the license recordActive, 63 years on record
- License numberCSLB #215233
- Class / typeC-4, C10, C16, C20, C34, C36, C39, C42, C43, C60, D21
- Check it yourselfCSLB license check
Complaints, lawsuits and the permit record
Our record covers building permits, not complaints or court cases. In Marin County, CA, Ernest Ongaro & Sons Inc pulled 611 permits 2023–2026; about 82% of those old enough to judge reached completion, and 78 of 439 permits a year or more old are still open. To check complaints and lawsuits, search CSLB for #215233 (CSLB license check) (the license page lists public complaint disclosures), BBB complaints for Ernest Ongaro & Sons Inc and Marin County court records.
We never say whether a complaint or lawsuit exists: we do not hold those records.
Questions
- How many permits has Ernest Ongaro & Sons Inc pulled in Marin County, CA?611 matching permits between Oct 2023 and Sep 2026, 178 of them in the last 12 months.
- What work does Ernest Ongaro & Sons Inc do?By permit count: HVAC, Plumbing & Gas, Water Heater.
- Is Ernest Ongaro & Sons Inc licensed?Yes: CSLB license #215233 (C-4, C10, C16, C20, C34, C36, C39, C42, C43, C60, D21), Active, 63 years on record. We match by name, so confirm the number on the official CSLB license check before signing.
- Are there complaints or lawsuits against Ernest Ongaro & Sons Inc?Our record covers building permits, not complaints or court cases. In Marin County, CA, Ernest Ongaro & Sons Inc pulled 611 permits 2023–2026; about 82% of those old enough to judge reached completion, and 78 of 439 permits a year or more old are still open. To check complaints and lawsuits, search CSLB for #215233 (CSLB license check) (the license page lists public complaint disclosures), BBB complaints for Ernest Ongaro & Sons Inc and Marin County court records.
- Are there reviews of Ernest Ongaro & Sons Inc in Marin County, CA?We do not collect reviews. What we hold is the public permit record: Ernest Ongaro & Sons Inc pulled 611 permits in Marin County, CA from Oct 2023 to Sep 2026, about 82% finished. CSLB license #215233: Active. For reviews, see the firm’s BBB profile or Google listing, and check them against this record.
Where Ernest Ongaro & Sons Inc works
The ZIP codes where Ernest Ongaro & Sons Inc filed the most of its 611 permits on homes in Marin 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 Marin County (unincorporated)
The 5 HVAC contractors closest to Ernest Ongaro & Sons Inc's 329 HVAC permits. Similar volume, not similar quality.
- Peter Levi Plumbing Inc · 206 permits
- Bellows Plumbing Heating & Air Inc · 127 permits
- John Owens Services Inc · 114 permits
- Elevated Comfort Inc · 97 permits
- Reyes Heating and Air · 88 permits
Compare all Marin County (unincorporated) HVAC contractors →
Compare Ernest Ongaro & Sons Inc with other Marin County (unincorporated) HVAC contractors
Every permit record in the county, side by side. Pick what you value. The list moves.
Source: public permit records (Marin County (unincorporated)), matched by contractor name. How the records work. Something wrong? Firms can request a correction.