Active in Unincorporated Marin (11 permits)
Raw permit filing name: JEFF CASTO CONSTRUCTION
11 issued · 10 parcels
vs 0 prior 24m
Includes 1 ADU permits
Sum of permit job values
Application → issuance
Latest: Feb 3, 2026
Where this builder's geocoded permits cluster
Compares this builder's median days from permit application to issuance against all peer permits in Unincorporated Marin (trailing 5-year benchmark).
| Permit Category | Permits | Issued | Units | Declared Valuation | Builder Median Review | City Median (75th pct) | Relative Pace |
|---|---|---|---|---|---|---|---|
| 8 | 8 | — | $23,000 | 0d (n=8) | 0d (0d p75) | Within typical range | |
| 1 | 1 | 1 | $3,000 | — | 204d (331d p75) | — | |
| 1 | 1 | — | $25,000 | — | 83d (148d p75) | — | |
| 1 | 1 | — | $14,000 | — | 0d (1d p75) | — |
Multi-permit and HCD housing projects linked to this builder's permits
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| Property / Parcel | Record & Category | Applied / Issued | Status | Valuation | Work Description & Raw Attribution |
|---|---|---|---|---|---|
| 140 Reed Blvd Unincorporated Marin · APN 043-131-05 | Electrical / panel B45710Portal ↗ | Issued Feb 3, 2026 0d review | Issued | $5,500 | Service Upgrade Filed as: JEFF CASTO CONSTRUCTION |
| 3536 State Route 1 Unincorporated Marin · APN 195-191-23 | Electrical / panel B43709Portal ↗ | Issued Sep 3, 2025 0d review | Issued | $2,500 | Replace existing 200 AMP Main Meter Panel with a new 200 Amp Main Meter panel. Replace like for like as existing panel is failing. — Service Upgrade Filed as: JEFF CASTO CONSTRUCTION |
| 472 Live Oak Dr Unincorporated Marin · APN 049-193-12 | Electrical / panel B42682Portal ↗ | Issued Jun 8, 2025 0d review | Issued | $3,500 | Replace existing 100 AMP Main Meter electrical panel with a 200 AMP main meter panel. — Service Upgrade Filed as: JEFF CASTO CONSTRUCTION |
| 25 Acorn Way Unincorporated Marin · APN 074-232-01 | Accessory dwelling unit (new or conversion) B31459Portal ↗ | Issued Oct 19, 2022 0d review | Issued | $3,000 1 units | Replace existing 200 Amp single meter main panel with new 400 Amp 2 Meter Panel for 25 Acorn way and 25 A Acorn Way. Main house to be 225 Amps and ADU unit A will have 125 Amp service. PG and E has been contacted. — Service Upgrade Filed as: JEFF CASTO CONSTRUCTION |
| 71 Schmidt Ln Unincorporated Marin · APN 180-380-32 | Electrical / panel B31128Portal ↗ | Issued Sep 21, 2022 0d review | Issued | $1,500 | Replace a 100 Amp Zinzco sub-panel in a closet with a new 100 Amp Sub-panel. New sub-panel will face into the living room rather than the closet, it shall have a 100 Amp disconnect and all 15Amp and 20 Amp breakers shall be of type ARC Fault/GFI. — Replace Circuits / Outlets Filed as: JEFF CASTO CONSTRUCTION |
| 10189 State Route 1 Unincorporated Marin · APN 166-181-01 | Electrical / panel B29780Portal ↗ | Issued May 17, 2022 0d review | Issued | $2,500 | ATTENTION!! This main panel should be replaced ASAP!! It is a 100 AMP underground service with a meter. Damage to bus bar was detected. Panel location to remain the same and no additional load will be added. New panel will be 125 AMP underground fed. 2 new ground rods shall be added. Please call me (Jeff Casto) at (415)250-0026. Thank you! — Service Upgrade Filed as: JEFF CASTO CONSTRUCTION |
| 43 Meadow Dr Unincorporated Marin · APN 180-131-27 | Electrical / panel B27939Portal ↗ | Issued Nov 30, 2021 0d review | Issued | $2,500 | main panel upgrade from 100 Amps to 200 Amps — New Circuits / Outlets, Service Upgrade Filed as: JEFF CASTO CONSTRUCTION |
| 816 Chamberlain Ct Unincorporated Marin · APN 049-032-15 | Remodel / interior alteration 169105Portal ↗ | Issued Aug 16, 2021 8d review | Issued | $25,000 | Interior Remodel - Kitchen, Bath, & Laundry; Main Panel Upgrade Filed as: JEFF CASTO CONSTRUCTION |
| 59 Idlewood Rd Unincorporated Marin · APN 075-261-07 | Electrical / panel B22652Portal ↗ | Issued May 27, 2020 0d review | Issued | $3,000 | Replace existing 175Amp Zinzco main panel with 200 Amp is 4/0main panel. Current feed from PG and E is 4/0 Aluminum. Customer is requesting possibility of bumping up main panel to 300 Amps depending on PG and E preliminary feasibility.Current configuration is underground service — Service Upgrade Filed as: JEFF CASTO CONSTRUCTION |
| 1590 Vendola Dr Unincorporated Marin · APN 180-144-06 | Electrical / panel B20371Portal ↗ | Issued Nov 18, 2019 0d review | Issued | $2,000 | <p>Main panel upgrade</p><p>Adding 6 branch circuits. </p> — New Circuits / Outlets, Service Upgrade Filed as: JEFF CASTO CONSTRUCTION |
| 816 Chamberlain Ct Unincorporated Marin · APN 049-032-15 | Other 158441Portal ↗ | Issued May 9, 2018 27d review | Issued | $14,000 | Replace Deck ***Expired T.D. 5/1/18 Filed as: JEFF CASTO CONSTRUCTION |