# Building permits at 257 Johnstone Ct, Marin County, CA

Two permits on record here. The newest, Dec 8, 2025: Service Upgrade. Within a quarter mile, the county has issued 10 more permits since May 1.

## At this address

| Date | Type | Work | Cost | Permit |
|---|---|---|---|---|
| Dec 8, 2025 | Electrical | Service Upgrade; | $1,000 | [B44821](https://nearbypermits.com/marin-county/permit/B44821/) |
| Nov 27, 2023 | Roofing | ReRoofing; With Electronic Inspection; | $21,940 | [B36221](https://nearbypermits.com/marin-county/permit/B36221/) |

## Within ¼ mi since May 1, 2026

10 permits in the circle. From our copy of the county's data (last 24 months).

### Next door (under 250 ft), 1 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Jul 16, 2026 | [275 Johnstone Dr](https://nearbypermits.com/marin-county/address/275-johnstone-dr/) | 160 ft W | Other |  | $98,000 | [182126](https://nearbypermits.com/marin-county/permit/182126/) |

### This block (250 to 1,000 ft), 5 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Sep 22, 2026 | [254 Blackstone Dr](https://nearbypermits.com/marin-county/address/254-blackstone-dr/) | 910 ft SW | Roofing | ReRoofing; | $24,200 | [B48441](https://nearbypermits.com/marin-county/permit/B48441/) |
| Sep 16, 2026 | [266 Blackstone Dr](https://nearbypermits.com/marin-county/address/266-blackstone-dr/) | 920 ft SW | Electrical | Service Upgrade; | $8,050 | [B48342](https://nearbypermits.com/marin-county/permit/B48342/) |
| Aug 26, 2026 | [385 Johnstone Dr](https://nearbypermits.com/marin-county/address/385-johnstone-dr/) | 940 ft W | Plumbing | Replace Plumbing Fixtures(s); | $9,280 | [B48078](https://nearbypermits.com/marin-county/permit/B48078/) |
| Jul 8, 2026 | [272 Blackstone Dr](https://nearbypermits.com/marin-county/address/272-blackstone-dr/) | 950 ft SW | Mechanical (HVAC) | Mechanical Appliance; | $1,535 | [B47437](https://nearbypermits.com/marin-county/permit/B47437/) |
| Jun 24, 2026 | [2749 Heatherstone Dr](https://nearbypermits.com/marin-county/address/2749-heatherstone-dr/) | 750 ft W | Other |  | $44,361 | [B47272](https://nearbypermits.com/marin-county/permit/B47272/) |

### Farther (1,000 ft to ¼ mi), 4 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Aug 23, 2026 | [386 Johnstone Dr](https://nearbypermits.com/marin-county/address/386-johnstone-dr/) | 0.21 mi W | Other |  | $49,000 | [B48027](https://nearbypermits.com/marin-county/permit/B48027/) |
| Jul 30, 2026 | [219 Adobestone Ct](https://nearbypermits.com/marin-county/address/219-adobestone-ct/) | 0.22 mi S | Other |  | $19,405 | [B47684](https://nearbypermits.com/marin-county/permit/B47684/) |
| Jul 16, 2026 | [316 Blackstone Dr](https://nearbypermits.com/marin-county/address/316-blackstone-dr/) | 0.24 mi SW | Alteration or repair | Non-structural Door/Window Replacement; | $4,460 | [B47506](https://nearbypermits.com/marin-county/permit/B47506/) |
| May 6, 2026 | [316 Blackstone Dr](https://nearbypermits.com/marin-county/address/316-blackstone-dr/) | 0.24 mi SW | Plumbing | Replace Plumbing Fixtures(s); | $3,000 | [B46685](https://nearbypermits.com/marin-county/permit/B46685/) |

## Zoning requests nearby

We don't list zoning cases for Marin County yet. Look them up on the county's Planning Commission page: https://www.marincounty.gov/departments/cda/planning/boards-commissions-and-public-hearings/about-planning-commission

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Source: Marin County Community Development Agency permit data (https://data.marincounty.gov/d/mkbn-caye), County of Marin, CA, ODbL 1.0 (https://opendatacommons.org/licenses/odbl/1-0/). Checked 2026-10-16 03:22 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Contains information from Building Permit (County of Marin, CA), which is made available here under the Open Database License (ODbL). Database: https://data.marincounty.gov/d/mkbn-caye License: https://opendatacommons.org/licenses/odbl/1-0/

Map, both permits at this address and 10 nearby: https://nearbypermits.com/marin-county/address/257-johnstone-ct/