# Building permits at 3-5 Mason St, Boston, MA

Two permits on record here. The newest, Mar 13: Replacement of 2 Gas Furnaces. Within a quarter mile, the city has issued 21 more permits since May 1.

## At this address

| Date | Type | Work | Cost | Permit |
|---|---|---|---|---|
| Mar 13, 2026 | Plumbing | Replacement of 2 Gas Furnaces | $10,000 | [G1817824](https://nearbypermits.com/boston/permit/G1817824/) |
| Aug 28, 2025 | Alteration or repair | replace rear deck. 2 level with roof; | $25,000 | [SF1770281](https://nearbypermits.com/boston/permit/SF1770281/) |

## Within ¼ mi since May 1, 2026

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

### Next door (under 250 ft), 8 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Sep 28, 2026 | [1482 Hyde Park Av](https://nearbypermits.com/boston/address/1482-hyde-park-av/) | 130 ft N | Solar | Installing rooftop railed solar PV of 6.97 KW and 17 modules. No ESS installation. | $24,834 | [E1903406](https://nearbypermits.com/boston/permit/E1903406/) |
| Sep 22, 2026 | [15-17 Mason St](https://nearbypermits.com/boston/address/15--17-mason-st/) | 120 ft E | Alteration or repair | Seeking to confirm occupancy as a two-family dwelling. No existing record of occupancy.; | Not listed | [ALT1863632](https://nearbypermits.com/boston/permit/ALT1863632/) |
| Sep 15, 2026 | [15-17 Mason St](https://nearbypermits.com/boston/address/15--17-mason-st/) | 120 ft E | Alteration or repair | Demolition / removal of all designated non load-bearing wall in the basement. to clear and make it an open space. (non habitable space)Work to be done at 15 1/2 Mason St | $5,400 | [SF1901216](https://nearbypermits.com/boston/permit/SF1901216/) |
| Aug 3, 2026 | [1483-1487 Hyde Park Av](https://nearbypermits.com/boston/address/1483--1487-hyde-park-av/) | 200 ft NW | Alteration or repair | Repair existing foundation in existing foot print | $5,000 | [SF1880831](https://nearbypermits.com/boston/permit/SF1880831/) |
| Jul 9, 2026 | [1491 Hyde Park Av](https://nearbypermits.com/boston/address/1491-hyde-park-av/) | 200 ft NW | Alteration or repair | Confirming occupancy of existing Single Family. | Not listed | [ALT1867501](https://nearbypermits.com/boston/permit/ALT1867501/) |
| Jun 30, 2026 | [1491 Hyde Park Av](https://nearbypermits.com/boston/address/1491-hyde-park-av/) | 200 ft NW | Alteration or repair | building 4 by 6 foot fence in front of house | $4,500 | [SF1867506](https://nearbypermits.com/boston/permit/SF1867506/) |
| Jun 18, 2026 | [1491 Hyde Park Av](https://nearbypermits.com/boston/address/1491-hyde-park-av/) | 200 ft NW | Electrical | Replacing an exhaust fan in the bathroom | $700 | [E1862866](https://nearbypermits.com/boston/permit/E1862866/) |
| Jun 15, 2026 | [1491 Hyde Park Av](https://nearbypermits.com/boston/address/1491-hyde-park-av/) | 200 ft NW | Alteration or repair | insulating attic with blown in insulation | $4,988 | [SF1861107](https://nearbypermits.com/boston/permit/SF1861107/) |

### This block (250 to 1,000 ft), 9 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Jul 2, 2026 | [52 Glenwood Av](https://nearbypermits.com/boston/address/52-glenwood-av/) | 410 ft NE | Alteration or repair | Remove and replace 26 windows; like for like size; no structural changes | $79,889 | [SF1862550](https://nearbypermits.com/boston/permit/SF1862550/) |
| Jun 5, 2026 | [23-25 Grantley St](https://nearbypermits.com/boston/address/23--25-grantley-st/) | 760 ft NE | Alteration or repair | Demo Existing 2 Decks Between 25-35 Grantley St, Hyde Park, MA 02136. Keep Same Footprint, Keep Existing Footings, and Add New Footings If Needed. Frame New Decking With Same Footprint, Composite Decking, and PVC Railings. | $76,500 | [SF1844742](https://nearbypermits.com/boston/permit/SF1844742/) |
| Jun 4, 2026 | [1509 Hyde Park Av](https://nearbypermits.com/boston/address/1509-hyde-park-av/) | 330 ft W | Electrical | kitchen renovation | $6,000 | [E1857833](https://nearbypermits.com/boston/permit/E1857833/) |
| May 26, 2026 | [1509 Hyde Park Av](https://nearbypermits.com/boston/address/1509-hyde-park-av/) | 330 ft W | Plumbing | Renovation: kitchen sink and disposer. | $1,500 | [PL1852857](https://nearbypermits.com/boston/permit/PL1852857/) |
| May 26, 2026 | [1509 Hyde Park Av](https://nearbypermits.com/boston/address/1509-hyde-park-av/) | 330 ft W | Plumbing | Renovation: 1 gas stove on first floor. | $500 | [G1852863](https://nearbypermits.com/boston/permit/G1852863/) |
| May 22, 2026 | [79 Glenwood Av](https://nearbypermits.com/boston/address/79-glenwood-av/) | 640 ft E | Alteration or repair | Residential weatherization/air sealing. No structural changes. (Site ID-845596) | $2,000 | [SF1849481](https://nearbypermits.com/boston/permit/SF1849481/) |
| May 19, 2026 | [1509 Hyde Park Av](https://nearbypermits.com/boston/address/1509-hyde-park-av/) | 330 ft W | Alteration or repair | remove kitchen cabinets and install new ones install countertop install floor tiles install backsplash install one window install recess lights and outlets plumbing for sink and gas stove | $33,610 | [SF1848925](https://nearbypermits.com/boston/permit/SF1848925/) |
| May 12, 2026 | [9 Grantley St](https://nearbypermits.com/boston/address/9-grantley-st/) | 730 ft N | Alteration or repair | Seal transitions, 2" kw gable wall & kw slope, temporary access, weather strip & sweep for doors. | $3,198 | [SF1840666](https://nearbypermits.com/boston/permit/SF1840666/) |
| May 8, 2026 | [14 Winter St](https://nearbypermits.com/boston/address/14-winter-st/) | 330 ft NW | Solar | Installation of roof mounted photovoltaic solar systems, 6.75 KW 15 panels NO BATTERY STORAGE | $44,100 | [SF1843455](https://nearbypermits.com/boston/permit/SF1843455/) |

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

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Oct 5, 2026 | [1587-1589 Hyde Park Av](https://nearbypermits.com/boston/address/1587--1589-hyde-park-av/) | 0.23 mi SW | Roofing | Remove the existing roofing materials down to the deck. Install 5.3" polyisocyanurate insulation; total R-value: 30.1. Install new 60-mil black EPDM membrane. 20-year warranty. | $231,151 | [SF1901328](https://nearbypermits.com/boston/permit/SF1901328/) |
| Jun 24, 2026 | [73 Loring St](https://nearbypermits.com/boston/address/73-loring-st/) | 0.22 mi E | Alteration or repair | Remodeling, fix and finish existing covered porch or deck | $32,000 | [SF1863748](https://nearbypermits.com/boston/permit/SF1863748/) |
| May 12, 2026 | [41 Chittick Rd](https://nearbypermits.com/boston/address/41-chittick-rd/) | 0.20 mi E | Electrical | Replacement of existing 100 amp panel | $650 | [E1847148](https://nearbypermits.com/boston/permit/E1847148/) |
| May 8, 2026 | [1535 River St](https://nearbypermits.com/boston/address/1535-river-st/) | 0.25 mi NW | Alteration or repair | Insulation work as part of the MASS Save program. | $12,000 | [SF1844164](https://nearbypermits.com/boston/permit/SF1844164/) |

## Zoning requests nearby

Hearings are public: you can comment or attend. Dates can move; check the city's page before you go.

| Status | Hearing | Address | Distance | Request | Case | City's words | Filed |
|---|---|---|---|---|---|---|---|
| Approved | Sep 22, 2026 | 1519 to 1521 Hyde Park Av | 420 ft SW | To remodel duplex unit # 1 to extend living space into the attic to include two dormers, kitchen, bathroom… | [BOA1851272](https://www.boston.gov/appeal-tracker) | "ZBA Decision Finalized", decision "Approved" | 2026-05-19 |

## More on this street

Other addresses on Mason St with permits, nearest house number first:

- [15-17 Mason St](https://nearbypermits.com/boston/address/15--17-mason-st/): newest permit Sep 22, 2026
- [16 Mason St](https://nearbypermits.com/boston/address/16-mason-st/): newest permit May 12, 2025
- [70-80 Mason St](https://nearbypermits.com/boston/address/70--80-mason-st/): newest permit Jun 29, 2026

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Source: Boston Inspectional Services Department permit data (https://data.boston.gov/dataset/approved-building-permits). Checked 2026-10-12 11:42 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Zoning requests come from the Boston Zoning Board of Appeal tracker (https://data.boston.gov/dataset/zoning-board-of-appeal-tracker). We read it Oct 12, 06:17 UTC.

Map, both permits at this address and 21 nearby: https://nearbypermits.com/boston/address/3--5-mason-st/