# Building permits at 54 Cass St, Boston, MA

1 Hartlawn Rd: demolition permitted May 1, a new building May 5.

Seven permits on record here. The newest, May 22: Blown in cellulose insulation at exterior walls. Within a quarter mile, the city has issued 47 more permits (44 projects) since May 1. One is for a new building, 0.23 mi away. A zoning hearing Oct 22 covers 11 Altacrest Rd, 930 ft south.

## At this address

| Date | Type | Work | Cost | Permit |
|---|---|---|---|---|
| May 22, 2026 | Alteration or repair | Blown in cellulose insulation at exterior walls, air sealing and weatherization. | $5,643 | [SF1847952](https://nearbypermits.com/boston/permit/SF1847952/) |
| Aug 2, 2022 | Alteration or repair | Residential weatherization/air sealing. No structural changes. (Site ID) 4378222 | $9,000 | [SF1354152](https://nearbypermits.com/boston/permit/SF1354152/) |
| Sep 10, 2013 | Electrical | Low voltage wireless burglar alarm installation. The alarm panel is mounted on a wall near an existing receptacle. A low voltage wire is dropped down behind the dry wall from the panel to the proximity of the receptacle. The wire comes out below the receptacle and ties into a plug-in transformer. Th | $199 | [ELV262095](https://nearbypermits.com/boston/permit/ELV262095/) |
| Jul 12, 2012 | Electrical | Addtion to frist floor. Kitchen, bath,bedroom,laundry room. | $7,000 | [E161784](https://nearbypermits.com/boston/permit/E161784/) |
| Jul 11, 2012 | Plumbing | Add plumbing for new kitchen bathroom and laundry | $5,000 | [PL161420](https://nearbypermits.com/boston/permit/PL161420/) |
| Jul 11, 2012 | Plumbing | Install new gas lines for stove, boiler and dryer | $1,000 | [G161425](https://nearbypermits.com/boston/permit/G161425/) |
| Apr 17, 2012 | Addition | Applicant seeks to construct a 16'x32' addition to the existing single family dwelling. This addition is one story and will extend the first floor only. | $150,000 | [ALT114210](https://nearbypermits.com/boston/permit/ALT114210/) |

## Within ¼ mi since May 1, 2026

47 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 |
|---|---|---|---|---|---|---|
| May 4, 2026 | [44 Cass St](https://nearbypermits.com/boston/address/44-cass-st/) | 160 ft NW | Plumbing | Install one high-efficiency water heater | $6,000 | [PL1841093](https://nearbypermits.com/boston/permit/PL1841093/) |

### This block (250 to 1,000 ft), 25 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Oct 1, 2026 | [2152 Centre St](https://nearbypermits.com/boston/address/2152-centre-st/) | 780 ft NE | Solar | Installation of roof mounted photovoltaic solar systems, 5.33 KW 13 panels NO BATTERY STORAGE | $32,700 | [SF1903318](https://nearbypermits.com/boston/permit/SF1903318/) |
| Sep 25, 2026 | [2152 Centre St](https://nearbypermits.com/boston/address/2152-centre-st/) | 780 ft NE | Solar | Installation of roof mounted photovoltaic solar systems, 5.33 kw 13 panels NO BATTERY STORAGE | $32,700 | [E1904112](https://nearbypermits.com/boston/permit/E1904112/) |
| Sep 30, 2026 | [2152 Centre St](https://nearbypermits.com/boston/address/2152-centre-st/) | 780 ft NE | Electrical | Service conductor refeed | $2,000 | [E1905061](https://nearbypermits.com/boston/permit/E1905061/) |
| Sep 30, 2026 | [2222 Centre St](https://nearbypermits.com/boston/address/2222-centre-st/) | 940 ft SE | Fire systems | Tie pre action sprinkler system, protecting elevator, in to fire alarm. This includes Shunt Trip for Elevator | $14,000 | [E1904966](https://nearbypermits.com/boston/permit/E1904966/) |
| Sep 28, 2026 | [2222 Centre St](https://nearbypermits.com/boston/address/2222-centre-st/) | 940 ft SE | Fire systems | Tie new elevator pre action sprinkler system in to existing fire alarm system, per attached plans | $14,000 | [EFA1903993](https://nearbypermits.com/boston/permit/EFA1903993/) |
| Sep 23, 2026 | [11 Bogandale Rd](https://nearbypermits.com/boston/address/11-bogandale-rd/) | 720 ft NE | Electrical | -Install power for mini split/Condensor -Install Low voltage wiring -Install wiring for 2 air handlier -Install power for heat pump -Install wiring for branch box -Install a hard wired CO detector with battery back up -Install 120v outlet for on demand hot water | $3,500 | [E1901936](https://nearbypermits.com/boston/permit/E1901936/) |
| Sep 21, 2026 | [11 Bogandale Rd](https://nearbypermits.com/boston/address/11-bogandale-rd/) | 720 ft NE | Plumbing | installing Tankless water heater | $4,000 | [PL1901943](https://nearbypermits.com/boston/permit/PL1901943/) |
| Sep 21, 2026 | [11 Bogandale Rd](https://nearbypermits.com/boston/address/11-bogandale-rd/) | 720 ft NE | Plumbing | Installing gas pipe to accommodate fuel demand for new tankless water heater | $1,500 | [G1902228](https://nearbypermits.com/boston/permit/G1902228/) |
| Sep 3, 2026 | [16 Alaric St](https://nearbypermits.com/boston/address/16-alaric-st/) | 640 ft NE | Solar | roof mounted solar | $9,000 | [SF1867376](https://nearbypermits.com/boston/permit/SF1867376/) |
| Sep 3, 2026 | [16 Alaric St](https://nearbypermits.com/boston/address/16-alaric-st/) | 640 ft NE | Solar | installing roof mounted solar | $18,000 | [E1867374](https://nearbypermits.com/boston/permit/E1867374/) |
| Sep 2, 2026 | [16 Alaric St](https://nearbypermits.com/boston/address/16-alaric-st/) | 640 ft NE | Roofing | Strip and reroof 15 squares | $11,375 | [SF1887261](https://nearbypermits.com/boston/permit/SF1887261/) |
| Jul 24, 2026 | [95 Cass St](https://nearbypermits.com/boston/address/95-cass-st/) | 430 ft SE | Roofing | Strip all asphalt roofing. Furnish and install new architectural asphalt shingle roofing system. | $15,326 | [SF1875181](https://nearbypermits.com/boston/permit/SF1875181/) |
| Jul 21, 2026 | [2152 Centre St](https://nearbypermits.com/boston/address/2152-centre-st/) | 780 ft NE | Other | Installing Bryant 36K BTU Outdoor Unit, Bryant 9K BTU Indoor Wall Unit, and Bryant 24K BTU Indoor Wall Unit. | $18,853 | [SF1865338](https://nearbypermits.com/boston/permit/SF1865338/) |
| Jul 15, 2026 | [10 Earnshaw St](https://nearbypermits.com/boston/address/10-earnshaw-st/) | 380 ft SW | Electrical | Upgrade electrical service to 200A Add 4 recessed lights, 1 bathroom fan | $9,000 | [E1872175](https://nearbypermits.com/boston/permit/E1872175/) |
| Jul 1, 2026 | [16 Alaric St](https://nearbypermits.com/boston/address/16-alaric-st/) | 640 ft NE | Plumbing | Convert bathroom from 1/2 bath o 3/4 bath | $2,000 | [PL1865781](https://nearbypermits.com/boston/permit/PL1865781/) |
| Jul 1, 2026 | [2152 Centre St](https://nearbypermits.com/boston/address/2152-centre-st/) | 780 ft NE | Electrical | Installing Bryant 36K BTU Outdoor Unit, Bryant 9K BTU Indoor Wall Unit, and Bryant 24K BTU Indoor Wall Unit. | $1,500 | [E1865333](https://nearbypermits.com/boston/permit/E1865333/) |
| Jun 29, 2026 | [5-7 Cass St](https://nearbypermits.com/boston/address/5--7-cass-st/) | 770 ft NW | Electrical | Replace Federal Pacific panel with new circuit breaker panel | $2,400 | [E1864299](https://nearbypermits.com/boston/permit/E1864299/) |
| Jun 26, 2026 | [16 Alaric St](https://nearbypermits.com/boston/address/16-alaric-st/) | 640 ft NE | Electrical | Rewire 1 bathroom | $800 | [E1863835](https://nearbypermits.com/boston/permit/E1863835/) |
| Jun 24, 2026 | [2197 Centre St](https://nearbypermits.com/boston/address/2197-centre-st/) | 490 ft E | Electrical | Wiring to two mini split units | $2,000 | [E1862660](https://nearbypermits.com/boston/permit/E1862660/) |
| Jun 18, 2026 | [2197 Centre St](https://nearbypermits.com/boston/address/2197-centre-st/) | 490 ft E | Alteration or repair | Air sealing, blown in cellulose for attic floor & overhang, fg for damming & crawl space ceiling, remove old fg batts, 2" rigid for crawl space ceiling, weather strip & sweep for doors | $4,466 | [SF1850385](https://nearbypermits.com/boston/permit/SF1850385/) |
| Jun 10, 2026 | [19-21 Summer St](https://nearbypermits.com/boston/address/19--21-summer-st/) | 380 ft N | Solar | Install 7.79 kW panels. Will not exceed roof panel but will add 6" to height. 19 panels total. No ESS / No Structural. | $30,000 | [SF1845408](https://nearbypermits.com/boston/permit/SF1845408/) |
| May 6, 2026 | [19-21 Summer St](https://nearbypermits.com/boston/address/19--21-summer-st/) | 380 ft N | Solar | Install 7.79 kW panels. Will not exceed roof panel but will add 6" to height. 19 panels total. No ESS / No Structural. | $30,000 | [E1845412](https://nearbypermits.com/boston/permit/E1845412/) |
| Jun 9, 2026 | [12 Bronx Rd](https://nearbypermits.com/boston/address/12-bronx-rd/) | 860 ft S | Alteration or repair | Deck. Interior renovation & finishing of existing basement Scope: construction of a finished TV/family rm, new bathrm & enclosed mech rm. Work to include framing, insulation drywall, flooring, painting, electrical and lighting installation, plumbing fixtures/connections, Existing structure to remain | $20,000 | [ALT1850287](https://nearbypermits.com/boston/permit/ALT1850287/) |
| May 28, 2026 | [2231 Centre St](https://nearbypermits.com/boston/address/2231-centre-st/) | 710 ft SE | Fence, wall or deck | a separate company is removing an esisting wood fence and we are installing approx 74ft of 5ft high vinyl picket fence | $4,175 | [SF1847307](https://nearbypermits.com/boston/permit/SF1847307/) |
| May 26, 2026 | [100-110 Spring St](https://nearbypermits.com/boston/address/100--110-spring-st/) | 880 ft NW | Alteration or repair | Open cell spray foam 15" r60 ceiling | $7,500 | [SF1843014](https://nearbypermits.com/boston/permit/SF1843014/) |

### Farther (1,000 ft to ¼ mi), 21 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Sep 11, 2026 | [12 Woodbrier Rd](https://nearbypermits.com/boston/address/12-woodbrier-rd/) | 0.22 mi SE | Electrical | Install wiring for hot water heater and dryer | $750 | [E1895978](https://nearbypermits.com/boston/permit/E1895978/) |
| Sep 10, 2026 | [75 Spring St](https://nearbypermits.com/boston/address/75-spring-st/) | 0.24 mi N | Electrical | replace and or retrofit 52 lights, add dimming wire to existing fixtures and install new dimming panel | $6,000 | [E1899223](https://nearbypermits.com/boston/permit/E1899223/) |
| Sep 4, 2026 | [93 Baker St](https://nearbypermits.com/boston/address/93-baker-st/) | 0.20 mi SW | Plumbing | Replacement of gas water heater | $2,753 | [PL1895466](https://nearbypermits.com/boston/permit/PL1895466/) |
| Sep 4, 2026 | [93 Baker St](https://nearbypermits.com/boston/address/93-baker-st/) | 0.20 mi SW | Plumbing | Replacement of gas water heater | $2,753 | [G1895462](https://nearbypermits.com/boston/permit/G1895462/) |
| Sep 3, 2026 | [66 Baker St](https://nearbypermits.com/boston/address/66-baker-st/) | 0.24 mi SW | Alteration or repair | Remove and replace 1 entry door; like for like size; no structural changes | $8,600 | [SF1890302](https://nearbypermits.com/boston/permit/SF1890302/) |
| Sep 3, 2026 | [11 Hartlawn Rd](https://nearbypermits.com/boston/address/11-hartlawn-rd/) | 0.20 mi W | Alteration or repair | Removing and replacing 5 windows, replacing like with like, no structural changes. | $4,536 | [SF1886295](https://nearbypermits.com/boston/permit/SF1886295/) |
| Aug 28, 2026 | [25-29 Spring St](https://nearbypermits.com/boston/address/25--29-spring-st/) | 0.23 mi N | Alteration or repair | Retrofit insulation of all exterior walls with fire rated closed cell polyurethane pour foam | $378,500 | [SF1891312](https://nearbypermits.com/boston/permit/SF1891312/) |
| Aug 27, 2026 | [12 Woodbrier Rd](https://nearbypermits.com/boston/address/12-woodbrier-rd/) | 0.22 mi SE | Plumbing | Water Heater Swap, converting from Gas to electric. 50 Gallon | $3,000 | [PL1891819](https://nearbypermits.com/boston/permit/PL1891819/) |
| Aug 27, 2026 | [12 Woodbrier Rd](https://nearbypermits.com/boston/address/12-woodbrier-rd/) | 0.22 mi SE | Plumbing | Removing remaining gas line and Capping at Meter. | $150 | [G1891812](https://nearbypermits.com/boston/permit/G1891812/) |
| Aug 7, 2026 | [92 Baker St](https://nearbypermits.com/boston/address/92-baker-st/) | 0.22 mi SW | Alteration or repair | Remove and replace 1 entry door; like for like size; no structural changes | $16,442 | [SF1879303](https://nearbypermits.com/boston/permit/SF1879303/) |
| Jul 21, 2026 | [10 Altacrest Rd](https://nearbypermits.com/boston/address/10-altacrest-rd/) | 0.20 mi S | Alteration or repair | Air sealing, weather strip & sweep for doors, fiberglass for rim joist, insulate basement door, & blown in cellulose for exterior walls | $3,474 | [SF1869950](https://nearbypermits.com/boston/permit/SF1869950/) |
| Jul 20, 2026 | [42 Bogandale Rd](https://nearbypermits.com/boston/address/42-bogandale-rd/) | 0.20 mi E | Alteration or repair | Strip existing siding on house use Henry Blueskin then Green guard XPS 350 siding underlayment insulation. Install Certainteed Pacific Blue Monogram Vinyl siding. No Structural Changes | $41,653 | [SF1874379](https://nearbypermits.com/boston/permit/SF1874379/) |
| Jun 29, 2026 | [1 Hartlawn Rd](https://nearbypermits.com/boston/address/1-hartlawn-rd/) | 0.23 mi W | Electrical | wire new single family home with a 200 amp overhead service | $20,000 | [E1865350](https://nearbypermits.com/boston/permit/E1865350/) |
| Jun 10, 2026 | [11 Johnson St](https://nearbypermits.com/boston/address/11-johnson-st/) | 0.20 mi SW | Alteration or repair | Installing ductless mini split heat pump system with 1 outdoor unit. | $5,300 | [SF1851667](https://nearbypermits.com/boston/permit/SF1851667/) |
| Jun 8, 2026 | [1 Hartlawn Rd](https://nearbypermits.com/boston/address/1-hartlawn-rd/) | 0.23 mi W | Plumbing | rough and finish plumbing for new home | $20,000 | [PL1858818](https://nearbypermits.com/boston/permit/PL1858818/) |
| Jun 8, 2026 | [1 Hartlawn Rd](https://nearbypermits.com/boston/address/1-hartlawn-rd/) | 0.23 mi W | Plumbing | gas piping for new home | $5,000 | [G1858819](https://nearbypermits.com/boston/permit/G1858819/) |
| Jun 2, 2026 | [97 Baker St](https://nearbypermits.com/boston/address/97-baker-st/) | 0.20 mi SW | Roofing | Full strip and re roof | $6,500 | [SF1847065](https://nearbypermits.com/boston/permit/SF1847065/) |
| May 26, 2026 | [11 Johnson St](https://nearbypermits.com/boston/address/11-johnson-st/) | 0.20 mi SW | Electrical | Wiring 1 outdoor unit for ductless mini split heat pump system | $1,000 | [E1851636](https://nearbypermits.com/boston/permit/E1851636/) |
| May 7, 2026 | [11 Woodbrier Rd](https://nearbypermits.com/boston/address/11-woodbrier-rd/) | 0.23 mi S | Electrical | Service change 100 to 200 amps | $5,000 | [E1846276](https://nearbypermits.com/boston/permit/E1846276/) |
| May 5, 2026 | [1 Hartlawn Rd](https://nearbypermits.com/boston/address/1-hartlawn-rd/) | 0.23 mi W | New building | Tear down existing structure at 157 Baker Street and rebuild a new single family dwelling with a one car attached garage. Please note the new building will face the side street and will be known as 1 Hartlawn St.; Requesting Nominal Fee;Single family with attached garage for one vehicle, unfinished  | $440,000 | [ERT1770431](https://nearbypermits.com/boston/permit/ERT1770431/) |
| May 1, 2026 | [1 Hartlawn Rd](https://nearbypermits.com/boston/address/1-hartlawn-rd/) | 0.23 mi W | Demolition | Demo existing structure in order to rebuild new single family dwelling in conjunction with ERT 1770431. Please note the former address was 157 Baker St. We changed the new house to face Hartlawn.Dig Safe#2026-1803335 | $14,800 | [SF1843262](https://nearbypermits.com/boston/permit/SF1843262/) |

## 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 |
|---|---|---|---|---|---|---|---|
| Requested | Oct 22, 2026 | 11 Altacrest Rd | 930 ft S | Zoning appeal; the description is on the city's appeal tracker. | [BOA1862338](https://www.boston.gov/appeal-tracker) | "Hearing Scheduled" | 2026-06-17 |

## More on this street

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

- [44 Cass St](https://nearbypermits.com/boston/address/44-cass-st/): newest permit May 4, 2026
- [66 Cass St](https://nearbypermits.com/boston/address/66-cass-st/): newest permit Dec 11, 2025
- [35 Cass St](https://nearbypermits.com/boston/address/35-cass-st/): newest permit Oct 15, 2025
- [95 Cass St](https://nearbypermits.com/boston/address/95-cass-st/): newest permit Jul 24, 2026
- [99 Cass St](https://nearbypermits.com/boston/address/99-cass-st/): newest permit Jul 16, 2025
- [9-11 Cass St](https://nearbypermits.com/boston/address/9--11-cass-st/): newest permit Mar 21, 2026
- [5-7 Cass St](https://nearbypermits.com/boston/address/5--7-cass-st/): newest permit Jun 29, 2026

---
Source: Boston Inspectional Services Department permit data (https://data.boston.gov/dataset/approved-building-permits). Checked 2026-10-09 08:14 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, 06:47 UTC.

Map, all 7 permits at this address and 47 nearby: https://nearbypermits.com/boston/address/54-cass-st/