COMPANY RECORD · MARIN COUNTY, CA
Ernest Ongaro & Sons Inc — permit history in Marin County, CA
Ernest Ongaro & Sons Inc appears on 1,985 Marin County permit records from 2016 through 2026, most often mechanical / hvac (58.6% of the record).
Permit categories
| Category | Permits | Share |
|---|---|---|
| Mechanical / HVAC | 1168 | 58.6% |
| Plumbing | 656 | 32.9% |
| Electrical | 169 | 8.5% |
3 categories, as classified by the issuing authority. Small categories stay visible rather than being rounded away.
Activity by year
| Year | Permits issued |
|---|---|
| 2016 | 46 |
| 2017 | 101 |
| 2018 | 159 |
| 2019 | 202 |
| 2020 | 200 |
| 2021 | 256 |
| 2022 | 249 |
| 2023 | 232 |
| 2024 | 216 |
| 2025 | 225 |
| 2026 | 107 |
Busiest year on record: 2021, with 256 permits. One project can account for several filings, so read this as filing activity rather than workload.
Where they worked
| Address in source | Most recent permit |
|---|---|
| 7 VERBENA CT, SAN RAFAEL, CA 94903 | 2026-08-25 |
| 145 H LN, NOVATO, CA 94945 | 2026-08-24 |
| 42 MADRONE AVE, WOODACRE, CA 94973 | 2026-08-24 |
| 16 DUTCH VALLEY LN, SAN ANSELMO, CA 94960 | 2026-08-20 |
| 200 WOODLAND RD, KENTFIELD, CA 94904 | 2026-08-20 |
| 8 EDNA CT, KENTFIELD, CA 94904 | 2026-08-20 |
| 25 UPPER TOYON DR, KENTFIELD, CA 94904 | 2026-08-17 |
| 56 ALMENAR DR, GREENBRAE, CA 94904 | 2026-08-10 |
| 191 BAYVIEW DR, SAN RAFAEL, CA 94901 | 2026-08-10 |
| 19 MAUI LN, DILLON BEACH, CA 94929 | 2026-08-06 |
| 60 PORTOLA AVE, POINT REYES STATION, CA 94956 | 2026-08-03 |
| 575 OAK MANOR DR, FAIRFAX, CA 94930 | 2026-08-03 |
| 562 ALTA WAY, MILL VALLEY, CA 94941 | 2026-07-24 |
| 470 PEACHSTONE TER, SAN RAFAEL, CA 94903 | 2026-07-24 |
1,449 distinct addresses on record; the 14 most recent are shown. Declared value on record runs from $1 to $60,000, median $4,900. Addresses appear as the authority published them. A permit is a filing at an address, not a completed job there.
Permits on record
1,985 permits; open the 50 most recent
| Permit | Issued | Category | Address in source | Scope as filed | Declared value |
|---|---|---|---|---|---|
| B48068 | 2026-08-25 | Plumbing | 7 VERBENA CT, SAN RAFAEL, CA 94903 | $13,129 | |
| B48043 | 2026-08-24 | Mechanical / HVAC | 145 H LN, NOVATO, CA 94945 | $10,293 | |
| B48036 | 2026-08-24 | Electrical | 42 MADRONE AVE, WOODACRE, CA 94973 | $3,600 | |
| B47988 | 2026-08-20 | Plumbing | 16 DUTCH VALLEY LN, SAN ANSELMO, CA 94960 | $8,311 | |
| B47989 | 2026-08-20 | Plumbing | 200 WOODLAND RD, KENTFIELD, CA 94904 | $9,509 | |
| B47986 | 2026-08-20 | Plumbing | 8 EDNA CT, KENTFIELD, CA 94904 | $7,764 | |
| B47924 | 2026-08-17 | Electrical | 25 UPPER TOYON DR, KENTFIELD, CA 94904 | $5,300 | |
| B47825 | 2026-08-10 | Mechanical / HVAC | 56 ALMENAR DR, GREENBRAE, CA 94904 | $7,066 | |
| B47821 | 2026-08-10 | Mechanical / HVAC | 191 BAYVIEW DR, SAN RAFAEL, CA 94901 | $3,500 | |
| B47772 | 2026-08-06 | Plumbing | 19 MAUI LN, DILLON BEACH, CA 94929 | $14,384 | |
| B47715 | 2026-08-03 | Plumbing | 60 PORTOLA AVE, POINT REYES STATION, CA 94956 | $10,299 | |
| B47714 | 2026-08-03 | Electrical | 575 OAK MANOR DR, FAIRFAX, CA 94930 | $2,800 | |
| B47614 | 2026-07-24 | Mechanical / HVAC | 562 ALTA WAY, MILL VALLEY, CA 94941 | $7,000 | |
| B47616 | 2026-07-24 | Mechanical / HVAC | 470 PEACHSTONE TER, SAN RAFAEL, CA 94903 | $4,500 | |
| B47587 | 2026-07-22 | Electrical | 9 CAROLYN LN, MILL VALLEY, CA 94941 | $7,300 | |
| B47580 | 2026-07-22 | Electrical | 1160 IDYLBERRY RD, SAN RAFAEL, CA 94903 | $3,000 | |
| B47581 | 2026-07-22 | Electrical | 521 MCCLAY RD, NOVATO, CA 94947 | $3,400 | |
| B47570 | 2026-07-21 | Plumbing | 109 VAN TASSEL CT, SAN ANSELMO, CA 94960 | $2,180 | |
| B47555 | 2026-07-20 | Mechanical / HVAC | 290 ALAMEDA DE LA LOMA, NOVATO, CA 94949 | $9,000 | |
| B47504 | 2026-07-15 | Plumbing | 23075 STATE ROUTE 1, MARSHALL, CA 94940 | $3,698 | |
| B47484 | 2026-07-13 | Plumbing | 145 STUYVESANT DR, SAN ANSELMO, CA 94960 | $4,934 | |
| B47450 | 2026-07-09 | Mechanical / HVAC | 775 MILLER CREEK RD, SAN RAFAEL, CA 94903 | $8,000 | |
| B47416 | 2026-07-07 | Plumbing | 354 STARLING RD, MILL VALLEY, CA 94941 | $14,870 | |
| B47401 | 2026-07-06 | Electrical | 21 CEDAR AVE, KENTFIELD, CA 94904 | $19,500 | |
| B47384 | 2026-07-03 | Plumbing | 7 TURNAGAIN RD, KENTFIELD, CA 94904 | $11,562 | |
| B47380 | 2026-07-02 | Plumbing | 883 MARIN DR, MILL VALLEY, CA 94941 | $5,764 | |
| B47379 | 2026-07-02 | Mechanical / HVAC | 30 IRVING DR, SAN ANSELMO, CA 94960 | $14,000 | |
| B47367 | 2026-07-01 | Plumbing | 5 RIDGE AVE, MILL VALLEY, CA 94941 | $9,239 | |
| B47335 | 2026-06-29 | Mechanical / HVAC | 445 ALAMEDA DE LA LOMA, NOVATO, CA 94949 | $10,000 | |
| B47332 | 2026-06-29 | Mechanical / HVAC | 2 STRAWBERRY LNDG, MILL VALLEY, CA 94941 | $25,000 | |
| B47308 | 2026-06-25 | Plumbing | 942 ALTURAS WAY, MILL VALLEY, CA 94941 | $10,889 | |
| B47307 | 2026-06-25 | Plumbing | 3344 PARADISE DR, TIBURON, CA 94920 | $13,089 | |
| B47275 | 2026-06-24 | Plumbing | 257 SEADRIFT RD, STINSON BEACH, CA 94970 | $21,454 | |
| B47229 | 2026-06-19 | Plumbing | 1305 IDYLBERRY RD, SAN RAFAEL, CA 94903 | $17,361 | |
| B47228 | 2026-06-19 | Plumbing | 20 TARRY RD, SAN ANSELMO, CA 94960 | $5,426 | |
| B47233 | 2026-06-19 | Electrical | 175 WILD HORSE VALLEY DR, NOVATO, CA 94947 | $4,200 | |
| B47218 | 2026-06-18 | Mechanical / HVAC | 50 IDLEWOOD RD, KENTFIELD, CA 94904 | $37,112 | |
| B47178 | 2026-06-16 | Plumbing | 76 PIKES PEAK DR, SAN RAFAEL, CA 94903 | $12,548 | |
| B47181 | 2026-06-16 | Mechanical / HVAC | 505 SUNNY BROOK LN, MILL VALLEY, CA 94941 | $15,000 | |
| B47149 | 2026-06-15 | Mechanical / HVAC | 20 TARRY RD, SAN ANSELMO, CA 94960 | $25,000 | |
| B47153 | 2026-06-15 | Plumbing | 881 ESTANCIA WAY, SAN RAFAEL, CA 94903 | $5,344 | |
| B47115 | 2026-06-11 | Mechanical / HVAC | 180 STANFORD AVE, MILL VALLEY, CA 94941 | $10,514 | |
| B47101 | 2026-06-10 | Mechanical / HVAC | 14 WHARF RD, BOLINAS, CA 94924 | $4,500 | |
| B47081 | 2026-06-09 | Electrical | 20 TARRY RD, SAN ANSELMO, CA 94960 | $6,000 | |
| B46960 | 2026-05-29 | Electrical | 180 STANFORD AVE, MILL VALLEY, CA 94941 | $3,200 | |
| B46945 | 2026-05-28 | Mechanical / HVAC | 245 HILLSIDE AVE, KENTFIELD, CA 94904 | $14,500 | |
| B46935 | 2026-05-27 | Electrical | 155 VAN WINKLE DR, SAN ANSELMO, CA 94960 | $25,000 | |
| B46813 | 2026-05-15 | Mechanical / HVAC | 72 BRIDGEGATE DR, SAN RAFAEL, CA 94903 | $20,000 | |
| B46818 | 2026-05-15 | Mechanical / HVAC | 30 MT WITTENBURG CT, SAN RAFAEL, CA 94903 | $4,500 | |
| B46819 | 2026-05-15 | Mechanical / HVAC | 1 TAPPAN CT, SAN ANSELMO, CA 94960 | $25,000 |
Fields appear as the issuing authority published them, including spelling and blanks. Scope text is the applicant's description of intended work, not an inspection finding.
Source and limits
Public Marin County permit records through 2026, counted by distinct permit number. This is a historical filing record: it cannot show current backlog, pricing, crew availability, licensing or insurance, and a quiet period may only mean work was filed elsewhere. Confirm anything commercial with the company and with the issuing authority before acting. How we build these records, and what we withhold →