# Building permits at 166 Leyden St, Boston, MA

Six permits on record here. The newest, Aug 17: Service Equipment upgrade due solar installation. Within a quarter mile, the city has issued 61 more permits since May 1.

## At this address

| Date | Type | Work | Cost | Permit |
|---|---|---|---|---|
| Aug 17, 2026 | Electrical | Service Equipment upgrade due solar installation. | $65,000 | [E1888182](https://nearbypermits.com/boston/permit/E1888182/) |
| Aug 5, 2026 | Solar | The project involves installing a new solar panel system on a residential flat roof property. | $25,677 | [E1787701](https://nearbypermits.com/boston/permit/E1787701/) |
| Jun 24, 2026 | Solar | The project involves installing a new solar panel system on a residential flat roof property | $25,677 | [SF1773914](https://nearbypermits.com/boston/permit/SF1773914/) |
| Sep 11, 2014 | Alteration or repair | No work to be done. Confirm;Occupancy as a Three ( 3 ) Family Dwelling.; Existing for many years. Request Occupancy Committee review. | Not listed | [ALT402756](https://nearbypermits.com/boston/permit/ALT402756/) |
| Sep 3, 2014 | Electrical | Install public meter and panel. | $1,400 | [E404138](https://nearbypermits.com/boston/permit/E404138/) |
| Aug 29, 2014 | Fire systems | Inspect existing fire alarm system for code and for the building department sign off of permit. | $300 | [EFA402951](https://nearbypermits.com/boston/permit/EFA402951/) |

## Within ¼ mi since May 1, 2026

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

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

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Jun 17, 2026 | [114 Gladstone St](https://nearbypermits.com/boston/address/114-gladstone-st/) | 110 ft NE | Alteration or repair | Remove/replace 1 existing window. No structural work being done. | $2,806 | [SF1859504](https://nearbypermits.com/boston/permit/SF1859504/) |

### This block (250 to 1,000 ft), 34 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Oct 6, 2026 | [166 Orient Av](https://nearbypermits.com/boston/address/166-orient-av/) | 660 ft NW | Electrical | upgrade service from 100 to200 | $5,000 | [E1907607](https://nearbypermits.com/boston/permit/E1907607/) |
| Sep 30, 2026 | [36 Beachview Rd](https://nearbypermits.com/boston/address/36-beachview-rd/) | 830 ft NE | Alteration or repair | Perform exploritory work on 1st floor back entryway and add addtional framing/footings as needed. Other work in basement level shall consist of further expeloritory work and to then sister/joists/tie in joists and add additional general supports and tie ins to improve existing supports. | $25,000 | [SF1905086](https://nearbypermits.com/boston/permit/SF1905086/) |
| Sep 23, 2026 | [35 Beachview Rd](https://nearbypermits.com/boston/address/35-beachview-rd/) | 930 ft NE | Solar | Installation of 30 modules-roof mounted - 12.900 kw dc, 10.470 kw ac | $15,553 | [E1900359](https://nearbypermits.com/boston/permit/E1900359/) |
| Sep 3, 2026 | [1007-1009 Saratoga St](https://nearbypermits.com/boston/address/1007--1009-saratoga-st/) | 970 ft S | Electrical | Bryant® - Legacy™ - 5-Ton - 13.4 SEER2 - Single-Packaged Rooftop Units Standard Gas/Electric Unit - 208/230-3-60 - R-454B Model Number: 582LP06A110A2A0AA Includes: - Disposal of existing equipment - Installation of new Bryant RTU - Electrical connnection - Gas connection - System Startup - CURB ada | $22,194 | [SF1880521](https://nearbypermits.com/boston/permit/SF1880521/) |
| Sep 1, 2026 | [179 Gladstone St](https://nearbypermits.com/boston/address/179-gladstone-st/) | 680 ft NW | Addition | Construct a 10 x 12 single story 3 season porch | $56,250 | [ALT1873735](https://nearbypermits.com/boston/permit/ALT1873735/) |
| Aug 24, 2026 | [195 Leyden St](https://nearbypermits.com/boston/address/195-leyden-st/) | 360 ft SE | Electrical | Installation of new GFCI protected outlets with new circuits from existing panels for water bottle filler stations. | $6,000 | [E1890949](https://nearbypermits.com/boston/permit/E1890949/) |
| Aug 24, 2026 | [10-12 Breed St](https://nearbypermits.com/boston/address/10--12-breed-st/) | 770 ft SW | Solar | The project involves installing a new solar panel system on a residential flat roof property. No ESS.; | $26,444 | [ALT1820306](https://nearbypermits.com/boston/permit/ALT1820306/) |
| Aug 17, 2026 | [22-24 Breed St](https://nearbypermits.com/boston/address/22--24-breed-st/) | 610 ft SW | Solar | Rooftop solar 17 panels 6.97 kwdc 15kw energy storage system to be installed on exterior wall no structural | $21,528 | [SF1887408](https://nearbypermits.com/boston/permit/SF1887408/) |
| Aug 17, 2026 | [22-24 Breed St](https://nearbypermits.com/boston/address/22--24-breed-st/) | 610 ft SW | Solar | Rooftop solar 17 panels 6.97 kwdc 15kw energy storage system to be installed on exterior wall | $72,072 | [E1887414](https://nearbypermits.com/boston/permit/E1887414/) |
| Aug 14, 2026 | [23 Breed St](https://nearbypermits.com/boston/address/23-breed-st/) | 450 ft SW | Alteration or repair | Install 1x FranklinWH aPower 2 battery back-up system (15kWh) on wall, exterior of home | $21,527 | [ALT1855277](https://nearbypermits.com/boston/permit/ALT1855277/) |
| Aug 4, 2026 | [195 Leyden St](https://nearbypermits.com/boston/address/195-leyden-st/) | 360 ft SE | Plumbing | Curtis Guild Elementary School, 195 Leyden St: replace drinking fountains, 1 in the basement, 4 on the 1st floor. | $10,000 | [PL1879173](https://nearbypermits.com/boston/permit/PL1879173/) |
| Aug 4, 2026 | [1064 Bennington St](https://nearbypermits.com/boston/address/1064-bennington-st/) | 530 ft SE | Electrical | required common area meter using the existing 3-gang meter socket. Verify and transfer all front, rear, and basement common area lighting and smoke/CO detectors to the common area meter. Confirm all common area circuits are properly protected with AFCI where required and label all circuit | $1,500 | [E1881980](https://nearbypermits.com/boston/permit/E1881980/) |
| Jul 29, 2026 | [76 Orient Av](https://nearbypermits.com/boston/address/76-orient-av/) | 870 ft NE | Plumbing | Connect New Range to existing gas supply piping | $2,000 | [G1875642](https://nearbypermits.com/boston/permit/G1875642/) |
| Jul 29, 2026 | [76 Orient Av](https://nearbypermits.com/boston/address/76-orient-av/) | 870 ft NE | Electrical | Wiring for kitchen remodel on first floor | $5,000 | [E1878355](https://nearbypermits.com/boston/permit/E1878355/) |
| Jul 28, 2026 | [76 Orient Av](https://nearbypermits.com/boston/address/76-orient-av/) | 870 ft NE | Plumbing | Kitchen remodel Kitchen Sink Kitchen Sink Disposal Dishwasher connection | $4,000 | [PL1875628](https://nearbypermits.com/boston/permit/PL1875628/) |
| Jul 27, 2026 | [23 Breed St](https://nearbypermits.com/boston/address/23-breed-st/) | 450 ft SW | Electrical | Install 1x FranklinWH aPower 2 battery back-up system (15kWh) on exterior wall of home. | $14,351 | [E1859342](https://nearbypermits.com/boston/permit/E1859342/) |
| Jul 17, 2026 | [7 Ford St](https://nearbypermits.com/boston/address/7-ford-st/) | 850 ft SW | Plumbing | Retest | $200 | [G1873800](https://nearbypermits.com/boston/permit/G1873800/) |
| Jul 15, 2026 | [36 Ashley St](https://nearbypermits.com/boston/address/36-ashley-st/) | 390 ft S | Roofing | strip rubber roof install new roof | $23,850 | [SF1871705](https://nearbypermits.com/boston/permit/SF1871705/) |
| Jul 15, 2026 | [76 Orient Av](https://nearbypermits.com/boston/address/76-orient-av/) | 870 ft NE | Alteration or repair | Remodel Kitchen Per Build Plans Included. | $178,687 | [SF1863457](https://nearbypermits.com/boston/permit/SF1863457/) |
| Jul 7, 2026 | [51 Breed St](https://nearbypermits.com/boston/address/51-breed-st/) | 270 ft NW | Fire systems | Install a new UL Central Station fire alarm system | $5,000 | [EFA1868468](https://nearbypermits.com/boston/permit/EFA1868468/) |
| Jun 30, 2026 | [188 Gladstone St](https://nearbypermits.com/boston/address/188-gladstone-st/) | 800 ft W | Electrical | We will wire a replacement AC system. | $1,150 | [E1862907](https://nearbypermits.com/boston/permit/E1862907/) |
| Jun 26, 2026 | [202-204 Leyden St](https://nearbypermits.com/boston/address/202--204-leyden-st/) | 510 ft E | Fire systems | Wire, Supply and install NEW Fire Alarm System and connect with Sprinkler Switch valves. | $12,000 | [EFA1863375](https://nearbypermits.com/boston/permit/EFA1863375/) |
| Jun 24, 2026 | [186 Orient Av](https://nearbypermits.com/boston/address/186-orient-av/) | 860 ft NW | Electrical | Emergency Service Mast Repair | $1,000 | [E1864227](https://nearbypermits.com/boston/permit/E1864227/) |
| Jun 23, 2026 | [51 Beachview Rd](https://nearbypermits.com/boston/address/51-beachview-rd/) | 940 ft NE | Roofing | strip off mansard shingles and install new shingles | $4,000 | [SF1863355](https://nearbypermits.com/boston/permit/SF1863355/) |
| Jun 18, 2026 | [36 Ashley St](https://nearbypermits.com/boston/address/36-ashley-st/) | 390 ft S | Alteration or repair | Build new steps, repair top side of building | $57,000 | [SF1862771](https://nearbypermits.com/boston/permit/SF1862771/) |
| Jun 9, 2026 | [202-204 Leyden St](https://nearbypermits.com/boston/address/202--204-leyden-st/) | 510 ft E | Plumbing | Add half bath, install electric water heater and reroute water piping. | $5,500 | [PL1856113](https://nearbypermits.com/boston/permit/PL1856113/) |
| Jun 1, 2026 | [47 Beachview Rd](https://nearbypermits.com/boston/address/47-beachview-rd/) | 920 ft NE | Solar | Rooftop solar 16 panels 6.56 kwdc 15kw energy storage system to be installed on exterior wall no structural | $21,252 | [SF1850541](https://nearbypermits.com/boston/permit/SF1850541/) |
| Jun 1, 2026 | [47 Beachview Rd](https://nearbypermits.com/boston/address/47-beachview-rd/) | 920 ft NE | Solar | Rooftop solar 16 panels 6.56 kwdc 15kw energy storage system to be installed on exterior wall | $71,148 | [E1850542](https://nearbypermits.com/boston/permit/E1850542/) |
| May 28, 2026 | [202-204 Leyden St](https://nearbypermits.com/boston/address/202--204-leyden-st/) | 510 ft E | Electrical | Add a 3rd individual meter due to change of occupancy from 2 units to 3 units (separate 200 amp service for 3rd unit) add washer, dryer, water heater, refeed 3 electric baseboard heaters, 6 receptacles,6 switches, refeed a sub-panel. | $9,000 | [E1855297](https://nearbypermits.com/boston/permit/E1855297/) |
| May 23, 2026 | [54 Ashley St](https://nearbypermits.com/boston/address/54-ashley-st/) | 700 ft SW | Other | Setting up a 30x30 tent for the ymca summer program | $4,860 | [SF1848192](https://nearbypermits.com/boston/permit/SF1848192/) |
| May 19, 2026 | [90-92 Orient Av](https://nearbypermits.com/boston/address/90--92-orient-av/) | 650 ft NE | Electrical | Installing 200 amp service, 4 meter bank 3 for the units one house panel | $5,000 | [E1851111](https://nearbypermits.com/boston/permit/E1851111/) |
| May 13, 2026 | [72 Gladstone St](https://nearbypermits.com/boston/address/72-gladstone-st/) | 670 ft E | Alteration or repair | Attic insulation and air sealing to R-60 | $10,975 | [SF1767411](https://nearbypermits.com/boston/permit/SF1767411/) |
| May 13, 2026 | [11 Blackinton St](https://nearbypermits.com/boston/address/11-blackinton-st/) | 580 ft SE | Alteration or repair | Wall insulation to R-60 | $4,150 | [SF1767406](https://nearbypermits.com/boston/permit/SF1767406/) |
| May 13, 2026 | [202-204 Leyden St](https://nearbypermits.com/boston/address/202--204-leyden-st/) | 510 ft E | Alteration or repair | To change the occupancy from a two-family townhouse to a three-family townhouse by way of interior renovations at 202–204 Leyden Street, East Boston, MA 02128. The building will be sprinklered, and no exterior work. | $33,500 | [ALT1835211](https://nearbypermits.com/boston/permit/ALT1835211/) |

### Farther (1,000 ft to ¼ mi), 26 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Oct 7, 2026 | [69 Faywood Av](https://nearbypermits.com/boston/address/69-faywood-av/) | 0.23 mi NE | Plumbing | Replace water heater in the basement | $1,800 | [PL1896812](https://nearbypermits.com/boston/permit/PL1896812/) |
| Oct 7, 2026 | [69 Faywood Av](https://nearbypermits.com/boston/address/69-faywood-av/) | 0.23 mi NE | Plumbing | Reconnect gas to water heater | $400 | [G1896814](https://nearbypermits.com/boston/permit/G1896814/) |
| Sep 25, 2026 | [115 Faywood Av](https://nearbypermits.com/boston/address/115-faywood-av/) | 0.23 mi N | Alteration or repair | Remove and replace 2 windows, like for like, same size, no structural changes | $11,984 | [SF1902224](https://nearbypermits.com/boston/permit/SF1902224/) |
| Sep 23, 2026 | [72 Leyden St](https://nearbypermits.com/boston/address/72-leyden-st/) | 0.22 mi W | Fire systems | Install a fire alarm system in a 3 family residence | $26,000 | [EFA1903234](https://nearbypermits.com/boston/permit/EFA1903234/) |
| Sep 12, 2026 | [67 Leyden St](https://nearbypermits.com/boston/address/67-leyden-st/) | 0.24 mi W | Roofing | strip and reroof | $7,200 | [SF1897240](https://nearbypermits.com/boston/permit/SF1897240/) |
| Sep 8, 2026 | [206 Orient Av](https://nearbypermits.com/boston/address/206-orient-av/) | 0.21 mi NW | Alteration or repair | Remove & replace 1 window; like for like size; no structural changes | $10,019 | [SF1896697](https://nearbypermits.com/boston/permit/SF1896697/) |
| Sep 4, 2026 | [14 Crestway Rd](https://nearbypermits.com/boston/address/14-crestway-rd/) | 0.24 mi N | Alteration or repair | Remove and replace 1 sliding glass door, like for like, same size, no structural changes | $7,997 | [SF1891247](https://nearbypermits.com/boston/permit/SF1891247/) |
| Sep 3, 2026 | [1048 Saratoga St](https://nearbypermits.com/boston/address/1048-saratoga-st/) | 0.21 mi S | Roofing | Replace Rubber Roof (13 Squares) | $17,000 | [SF1897271](https://nearbypermits.com/boston/permit/SF1897271/) |
| Sep 1, 2026 | [1047 Saratoga St](https://nearbypermits.com/boston/address/1047-saratoga-st/) | 0.22 mi S | Plumbing | Plumbing connections to tankless water heater | $500 | [PL1895408](https://nearbypermits.com/boston/permit/PL1895408/) |
| Sep 1, 2026 | [1047 Saratoga St](https://nearbypermits.com/boston/address/1047-saratoga-st/) | 0.22 mi S | Plumbing | Gas connections to replacement tankless | $500 | [G1895412](https://nearbypermits.com/boston/permit/G1895412/) |
| Aug 17, 2026 | [3 Thurston St](https://nearbypermits.com/boston/address/3-thurston-st/) | 0.24 mi S | Roofing | Asphalt shingles replacement on the right side section with lighter color shingles. ONE Pipe boot replacement. Three Pipe boots board over on roof | $3,999 | [SF1885673](https://nearbypermits.com/boston/permit/SF1885673/) |
| Jul 18, 2026 | [1061 Saratoga St](https://nearbypermits.com/boston/address/1061-saratoga-st/) | 0.24 mi S | Plumbing | Plumbing connections to replacement tankless water heater | $500 | [PL1873275](https://nearbypermits.com/boston/permit/PL1873275/) |
| Jul 16, 2026 | [1061 Saratoga St](https://nearbypermits.com/boston/address/1061-saratoga-st/) | 0.24 mi S | Plumbing | Gas tie in to replacement tankless water heater. | $250 | [G1873274](https://nearbypermits.com/boston/permit/G1873274/) |
| Jul 7, 2026 | [72 Leyden St](https://nearbypermits.com/boston/address/72-leyden-st/) | 0.22 mi W | Plumbing | Renovate kitchen and baths | $7,000 | [PL1869301](https://nearbypermits.com/boston/permit/PL1869301/) |
| Jul 1, 2026 | [72 Leyden St](https://nearbypermits.com/boston/address/72-leyden-st/) | 0.22 mi W | Electrical | service upgrade and rewire all 3 apartments and common areas. | $38,000 | [E1867311](https://nearbypermits.com/boston/permit/E1867311/) |
| Jun 30, 2026 | [171-185 Faywood Av](https://nearbypermits.com/boston/address/171--185-faywood-av/) | 0.24 mi N | Electrical | check wiring in basement room afer flood 181 Faywood | $2,000 | [E1867338](https://nearbypermits.com/boston/permit/E1867338/) |
| Jun 26, 2026 | [171-185 Faywood Av](https://nearbypermits.com/boston/address/171--185-faywood-av/) | 0.24 mi N | Alteration or repair | Interior restoration of residential unit at 181 Faywood Ave, East Boston following water damage. Remediation completed by other company. Work includes insulation, drywall, flooring, trim, painting, and electrical updates including lighting and smoke detectors. No structural changes. | $35,527 | [SF1862895](https://nearbypermits.com/boston/permit/SF1862895/) |
| Jun 23, 2026 | [69 Barnes Av](https://nearbypermits.com/boston/address/69-barnes-av/) | 0.23 mi SE | Roofing | Roof Strip and Cover | $7,800 | [SF1860979](https://nearbypermits.com/boston/permit/SF1860979/) |
| Jun 15, 2026 | [1051 Saratoga St](https://nearbypermits.com/boston/address/1051-saratoga-st/) | 0.22 mi S | Alteration or repair | Demo &; remove existing decking, install new decks boards. Paint fascia &; handrails | $20,000 | [SF1861156](https://nearbypermits.com/boston/permit/SF1861156/) |
| Jun 9, 2026 | [34 Gladstone St](https://nearbypermits.com/boston/address/34-gladstone-st/) | 0.22 mi E | Alteration or repair | Decking remodeling.take down the old deck and rebuild a new decking on the size 10'x21'x 9'6" height, with stair get down from the side of the decking, all framing will be on pressure treated wood, decking boards on PVC material, and vinyl railings. We will be using the 4 footings already have there | $16,566 | [ALT1808048](https://nearbypermits.com/boston/permit/ALT1808048/) |
| Jun 3, 2026 | [22-24 Gladstone St](https://nearbypermits.com/boston/address/22--24-gladstone-st/) | 0.24 mi E | Alteration or repair | wall dense pack cellulose, door kits if needed | $4,589 | [SF1850098](https://nearbypermits.com/boston/permit/SF1850098/) |
| Jun 1, 2026 | [72 Leyden St](https://nearbypermits.com/boston/address/72-leyden-st/) | 0.22 mi W | Alteration or repair | Confirm Occupancy as 2-Family. Change Occupancy from 2-Family to 3-Family.[ePlans] | $183,500 | [ALT1686321](https://nearbypermits.com/boston/permit/ALT1686321/) |
| May 26, 2026 | [9 Crestway Rd](https://nearbypermits.com/boston/address/9-crestway-rd/) | 0.24 mi N | Plumbing | two new bathrooms on the second floor | $5,000 | [PL1853109](https://nearbypermits.com/boston/permit/PL1853109/) |
| May 19, 2026 | [9 Crestway Rd](https://nearbypermits.com/boston/address/9-crestway-rd/) | 0.24 mi N | Alteration or repair | New Bathroom at second floor and bedroom renovation. | $3,000 | [E1850441](https://nearbypermits.com/boston/permit/E1850441/) |
| May 14, 2026 | [9 Crestway Rd](https://nearbypermits.com/boston/address/9-crestway-rd/) | 0.24 mi N | Alteration or repair | Install rear Dormer to match the existing roof line of the house and second floor Bathroom install. | $20,000 | [ALT1833939](https://nearbypermits.com/boston/permit/ALT1833939/) |
| May 6, 2026 | [1057 Saratoga St](https://nearbypermits.com/boston/address/1057-saratoga-st/) | 0.24 mi S | Alteration or repair | Demo and remove existing brick stairs. Rebuild with concrete | $8,000 | [SF1846340](https://nearbypermits.com/boston/permit/SF1846340/) |

## 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 | Apr 28, 2026 | 100 Beachview Rd | 890 ft N | Zoning appeal: "7.8.26 Open Civil Case Updated scope with revised drawings: Erect an attached two family…" | [BOA1825579](https://www.boston.gov/appeal-tracker) | "Appeal Closed", decision "Approved" | 2026-03-05 |
| Approved | Apr 28, 2026 | 102 Beachview Rd | 890 ft N | Zoning appeal: "7.8.26: Open civil caseUpdated scope with revised drawings: Erect an attached two family…" | [BOA1825581](https://www.boston.gov/appeal-tracker) | "Appeal Closed", decision "Approved" | 2026-03-05 |

## More on this street

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

- [172 Leyden St](https://nearbypermits.com/boston/address/172-leyden-st/): newest permit Aug 10, 2025
- [188 Leyden St](https://nearbypermits.com/boston/address/188-leyden-st/): newest permit Aug 15, 2025
- [195 Leyden St](https://nearbypermits.com/boston/address/195-leyden-st/): newest permit Aug 24, 2026
- [202-204 Leyden St](https://nearbypermits.com/boston/address/202--204-leyden-st/): newest permit Jun 26, 2026
- [126 Leyden St](https://nearbypermits.com/boston/address/126-leyden-st/): newest permit Jul 30, 2025
- [124 Leyden St](https://nearbypermits.com/boston/address/124-leyden-st/): newest permit Apr 7, 2026
- [219 Leyden St](https://nearbypermits.com/boston/address/219-leyden-st/): newest permit Aug 15, 2025
- [249 Leyden St](https://nearbypermits.com/boston/address/249-leyden-st/): newest permit May 16, 2025
- [251 Leyden St](https://nearbypermits.com/boston/address/251-leyden-st/): newest permit Apr 18, 2025
- [72 Leyden St](https://nearbypermits.com/boston/address/72-leyden-st/): newest permit Sep 23, 2026

---
Source: Boston Inspectional Services Department permit data (https://data.boston.gov/dataset/approved-building-permits). Checked 2026-10-09 18:09 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 9, 13:17 UTC.

Map, all 6 permits at this address and 61 nearby: https://nearbypermits.com/boston/address/166-leyden-st/