# Building permits at 27 Eldon St, Boston, MA

Five permits on record here. The newest, Sep 15, 2025: Upgrade service to 200 amp, relocate main panel. Within a quarter mile, the city has issued 52 more permits (50 projects) since May 1.

## At this address

| Date | Type | Work | Cost | Permit |
|---|---|---|---|---|
| Sep 15, 2025 | Electrical | Upgrade service to 200 amp, relocate main panel, add outlets in basement wall | $4,000 | [E1775150](https://nearbypermits.com/boston/permit/E1775150/) |
| Jun 9, 2025 | Electrical | Rewire three bathrooms and new laundry room. | $3,500 | [E1731819](https://nearbypermits.com/boston/permit/E1731819/) |
| Apr 23, 2025 | Alteration or repair | confirm occupancy of existing 1 Family | Not listed | [ALT1705091](https://nearbypermits.com/boston/permit/ALT1705091/) |
| Apr 1, 2025 | Alteration or repair | Remodeling of 3 bathrooms, 2 full baths and 1 half bath. Demolition of sheetrock and old fixtures (tubs, vanity, toilets, etc.), re-framing of the 3 bathrooms, updating plumbing and electrical, close walls, and install new finishes. Alt filed;alt1705091 | $70,000 | [SF1705077](https://nearbypermits.com/boston/permit/SF1705077/) |
| Mar 20, 2025 | Plumbing | Bathroom remodel. Replace existing fixtures and replace with new plumbing as needed. Work to take place in basement, 1st & 2nd fl. | $20,000 | [PL1700819](https://nearbypermits.com/boston/permit/PL1700819/) |

## Within ¼ mi since May 1, 2026

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

### This block (250 to 1,000 ft), 22 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Sep 25, 2026 | [115 Ardale St](https://nearbypermits.com/boston/address/115-ardale-st/) | 800 ft W | Electrical | Replace meter socket for Eversource AMI project | $2,000 | [E1890711](https://nearbypermits.com/boston/permit/E1890711/) |
| Sep 21, 2026 | [94 Knoll St](https://nearbypermits.com/boston/address/94-knoll-st/) | 540 ft SW | Fence, wall or deck | fence replacement | $12,900 | [SF1900376](https://nearbypermits.com/boston/permit/SF1900376/) |
| Sep 18, 2026 | [30 Hazelmere Rd](https://nearbypermits.com/boston/address/30-hazelmere-rd/) | 390 ft NW | Alteration or repair | This project consists of converting an existing enclosed three-season porch, which is part of the original house construction and is located over an existing basement, into a fully conditioned four-season space containing a bathroom and laundry area. Work also includes modifications to the adjacent  | $88,000 | [SF1901896](https://nearbypermits.com/boston/permit/SF1901896/) |
| Sep 3, 2026 | [83 Selwyn St](https://nearbypermits.com/boston/address/83-selwyn-st/) | 800 ft S | Roofing | Furnish and install a new asphalt shingle and EPDM (rubber) roofing system on home. | $14,713 | [SF1885702](https://nearbypermits.com/boston/permit/SF1885702/) |
| Sep 1, 2026 | [178 Walter St](https://nearbypermits.com/boston/address/178-walter-st/) | 850 ft E | Roofing | Strip and re-roof | $8,750 | [SF1894127](https://nearbypermits.com/boston/permit/SF1894127/) |
| Aug 31, 2026 | [87 Selwyn St](https://nearbypermits.com/boston/address/87-selwyn-st/) | 840 ft S | Roofing | Strip and re roof house to code. 2 sq EPDM rubber, 17 squares shingle Fox Hollow Gray, 57 sheets wood decking (OSB). 6 ft Ice and water, GAF synthetic underlayment, new pipe flashings, Ice and water around all flashings, 6 nails per shingle, GAF hip and ridge cap. Insulation for rubber section | $26,679 | [SF1895400](https://nearbypermits.com/boston/permit/SF1895400/) |
| Jul 20, 2026 | [87 Knoll St](https://nearbypermits.com/boston/address/87-knoll-st/) | 470 ft W | Alteration or repair | Confirmation for existing single family home.; This is in correlation to the short form permit # SF1836882. | Not listed | [ALT1839874](https://nearbypermits.com/boston/permit/ALT1839874/) |
| Jul 16, 2026 | [9 Buchanan Rd](https://nearbypermits.com/boston/address/9-buchanan-rd/) | 970 ft N | Plumbing | Second floor Full bathroom renovation | $2,800 | [PL1868804](https://nearbypermits.com/boston/permit/PL1868804/) |
| Jul 9, 2026 | [43-47 Zeller St](https://nearbypermits.com/boston/address/43--47-zeller-st/) | 910 ft SW | Electrical | meter to be replaced as part of Eversource's AMI project | $1,500 | [E1870485](https://nearbypermits.com/boston/permit/E1870485/) |
| Jun 29, 2026 | [14 Hazelmere Rd](https://nearbypermits.com/boston/address/14-hazelmere-rd/) | 490 ft W | Electrical | Install Energy Storage System rated at 13.5kWh on exterior, interconnected to existing solar panel system | $16,782 | [E1865315](https://nearbypermits.com/boston/permit/E1865315/) |
| Jun 26, 2026 | [9 Buchanan Rd](https://nearbypermits.com/boston/address/9-buchanan-rd/) | 970 ft N | Electrical | second floor bathroom renovation | $3,800 | [E1865286](https://nearbypermits.com/boston/permit/E1865286/) |
| Jun 22, 2026 | [24 Buchanan Rd](https://nearbypermits.com/boston/address/24-buchanan-rd/) | 800 ft NW | Alteration or repair | Kitchen remodel, Sun room into a mudroom off back deck. | $77,500 | [SF1851773](https://nearbypermits.com/boston/permit/SF1851773/) |
| Jun 14, 2026 | [9 Buchanan Rd](https://nearbypermits.com/boston/address/9-buchanan-rd/) | 970 ft N | Alteration or repair | Complete bathroom renovation including demolition of existing materials, plumbing and electrical upgrades, waterproofing installation, tile work, vanity and toilet installation, lighting fixtures, painting, trim work, and final finishes. | $58,000 | [SF1853231](https://nearbypermits.com/boston/permit/SF1853231/) |
| Jun 12, 2026 | [87 Knoll St](https://nearbypermits.com/boston/address/87-knoll-st/) | 470 ft W | Alteration or repair | Pending ALT1839874 - Occupancy.Residential weatherization/air sealing. No structural changes. (Site ID-2018658831) | $2,000 | [SF1836882](https://nearbypermits.com/boston/permit/SF1836882/) |
| Jun 5, 2026 | [20 Hazelmere Rd](https://nearbypermits.com/boston/address/20-hazelmere-rd/) | 460 ft W | Electrical | We are completing/finishing/reviewing The whole wiring that the previous electrician made [E1466 587 ALT 1269 006] to be ready for final inspection | $3,000 | [E1858121](https://nearbypermits.com/boston/permit/E1858121/) |
| Jun 4, 2026 | [65 Selwyn St](https://nearbypermits.com/boston/address/65-selwyn-st/) | 580 ft S | Alteration or repair | replacement of existing fire escape stairs and rebuild in same foot print as originals | $49,920 | [SF1847213](https://nearbypermits.com/boston/permit/SF1847213/) |
| May 27, 2026 | [73 Ardale St](https://nearbypermits.com/boston/address/73-ardale-st/) | 650 ft SW | Plumbing | Bathroom remodel | $7,000 | [PL1853744](https://nearbypermits.com/boston/permit/PL1853744/) |
| May 27, 2026 | [73 Ardale St](https://nearbypermits.com/boston/address/73-ardale-st/) | 650 ft SW | Electrical | Bathroom renovation with 2 x recessed lights, 1 x bathroom fan, 1 x GFCI, 1 x vanity light, circuit breakers as needed | $1,500 | [E1853816](https://nearbypermits.com/boston/permit/E1853816/) |
| May 19, 2026 | [19 Buchanan Rd](https://nearbypermits.com/boston/address/19-buchanan-rd/) | 980 ft NW | Electrical | 200 amp underground service upgrade and wire EV charger | $8,600 | [E1850788](https://nearbypermits.com/boston/permit/E1850788/) |
| May 14, 2026 | [37 Eldon St](https://nearbypermits.com/boston/address/37-eldon-st/) | 300 ft E | Solar | Installation of roof mounted photovoltaic solar systems, 10.66 KW 26 panels with installation of 1 franklin battery installed on exterior of home | $76,800 | [E1848361](https://nearbypermits.com/boston/permit/E1848361/) |
| May 13, 2026 | [86-88 Knoll St](https://nearbypermits.com/boston/address/86--88-knoll-st/) | 520 ft SW | Plumbing | Replace water heater | $2,000 | [PL1848967](https://nearbypermits.com/boston/permit/PL1848967/) |
| May 13, 2026 | [86-88 Knoll St](https://nearbypermits.com/boston/address/86--88-knoll-st/) | 520 ft SW | Plumbing | Replace water heater | $2,000 | [G1848968](https://nearbypermits.com/boston/permit/G1848968/) |

### Farther (1,000 ft to ¼ mi), 30 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Sep 30, 2026 | [8 Ledgedale Rd](https://nearbypermits.com/boston/address/8-ledgedale-rd/) | 0.22 mi W | Alteration or repair | Remove and install 3 windows (includes bay/bow frame)-like sizes. No structural changes. | $17,099 | [SF1900349](https://nearbypermits.com/boston/permit/SF1900349/) |
| Sep 18, 2026 | [11 Ardale St](https://nearbypermits.com/boston/address/11-ardale-st/) | 0.21 mi S | Alteration or repair | Demolish existing deck. Dig 5 new 12" footings. Frame a new deck and stairs out of 2x8 pressure treated lumber. Install mahogany decking. Reuse handrails. | $34,250 | [SF1902420](https://nearbypermits.com/boston/permit/SF1902420/) |
| Sep 14, 2026 | [99 Walter St](https://nearbypermits.com/boston/address/99-walter-st/) | 0.22 mi SE | Alteration or repair | Interior renovation of an existing one-family dwelling garage to change its use from a parking garage to an art studio, as shown on the plans. | $107,000 | [ALT1844025](https://nearbypermits.com/boston/permit/ALT1844025/) |
| Sep 8, 2026 | [52 Walter St](https://nearbypermits.com/boston/address/52-walter-st/) | 0.22 mi S | Alteration or repair | Remove Non-Structural wall, patch and paint to match. Flooring repairs where wall was located. | $4,200 | [SF1895302](https://nearbypermits.com/boston/permit/SF1895302/) |
| Sep 8, 2026 | [57 Walter St](https://nearbypermits.com/boston/address/57-walter-st/) | 0.24 mi S | Alteration or repair | confirm occupancy of existing single family | Not listed | [ALT1880633](https://nearbypermits.com/boston/permit/ALT1880633/) |
| Sep 4, 2026 | [125 Walter St](https://nearbypermits.com/boston/address/125-walter-st/) | 0.21 mi SE | Demolition | replace decking and rails on front porch | $15,000 | [SF1897761](https://nearbypermits.com/boston/permit/SF1897761/) |
| Sep 1, 2026 | [160 Weld St](https://nearbypermits.com/boston/address/160-weld-st/) | 0.24 mi W | Alteration or repair | Install new door with proper flashing, sealants and insulation where needed.Dispose of old doors.Quantity-(2) | $6,271 | [SF1891752](https://nearbypermits.com/boston/permit/SF1891752/) |
| Aug 25, 2026 | [57 Walter St](https://nearbypermits.com/boston/address/57-walter-st/) | 0.24 mi S | Roofing | Pending;ALT1880633 Occupancy Committee.strip and install a new roof | $23,045 | [SF1879588](https://nearbypermits.com/boston/permit/SF1879588/) |
| Aug 25, 2026 | [69 Buchanan Rd](https://nearbypermits.com/boston/address/69-buchanan-rd/) | 0.23 mi NW | Addition | Small porch addition of back of the house | $7,000 | [E1893903](https://nearbypermits.com/boston/permit/E1893903/) |
| Aug 21, 2026 | [11 President Rd](https://nearbypermits.com/boston/address/11-president-rd/) | 0.24 mi W | Plumbing | replacement of a range | $200 | [G1888725](https://nearbypermits.com/boston/permit/G1888725/) |
| Aug 6, 2026 | [109 Walter St](https://nearbypermits.com/boston/address/109-walter-st/) | 0.22 mi SE | Alteration or repair | insulate kneewall slope and gable end wall with fiberglass and 2": thermal barrier board insulate attic slope with cellulose insulation install bath fan hose | $4,107 | [SF1880353](https://nearbypermits.com/boston/permit/SF1880353/) |
| Jul 28, 2026 | [52 Walter St](https://nearbypermits.com/boston/address/52-walter-st/) | 0.22 mi S | Electrical | rewire 2nd floor bathroom- minor reno (new bath, new tile) wire new 1/2 bathroom on 2rd floor | $4,000 | [E1878807](https://nearbypermits.com/boston/permit/E1878807/) |
| Jul 27, 2026 | [69 Buchanan Rd](https://nearbypermits.com/boston/address/69-buchanan-rd/) | 0.23 mi NW | Electrical | Wire one mini split and wire one receptacle if needed | $1,500 | [E1874050](https://nearbypermits.com/boston/permit/E1874050/) |
| Jul 23, 2026 | [52 Walter St](https://nearbypermits.com/boston/address/52-walter-st/) | 0.22 mi S | Plumbing | Second floor a toilet and a lab third floor a tub, a sink.And a toilet | $9,000 | [PL1877420](https://nearbypermits.com/boston/permit/PL1877420/) |
| Jul 23, 2026 | [52 Walter St](https://nearbypermits.com/boston/address/52-walter-st/) | 0.22 mi S | Plumbing | Installin one full bath in the basement with a shower and kitchen. Sake and a laundry room, awful, bad catch you. Sick, how long do you go on?Take a number oh | $9,000 | [PL1877373](https://nearbypermits.com/boston/permit/PL1877373/) |
| Jul 21, 2026 | [52 Walter St](https://nearbypermits.com/boston/address/52-walter-st/) | 0.22 mi S | Alteration or repair | Half bath addition and Full bathroom remodel | $50,676 | [SF1875125](https://nearbypermits.com/boston/permit/SF1875125/) |
| Jul 13, 2026 | [75 Hewlett St](https://nearbypermits.com/boston/address/75-hewlett-st/) | 0.22 mi SW | Plumbing | water heater unit 1 | $650 | [PL1870860](https://nearbypermits.com/boston/permit/PL1870860/) |
| Jul 13, 2026 | [75 Hewlett St](https://nearbypermits.com/boston/address/75-hewlett-st/) | 0.22 mi SW | Plumbing | water heater unit 1 | $650 | [G1860792](https://nearbypermits.com/boston/permit/G1860792/) |
| Jul 2, 2026 | [51 Cotton St](https://nearbypermits.com/boston/address/51-cotton-st/) | 0.23 mi SE | Fence, wall or deck | Remove & replace 1 patio door; 1 entry door; like for like size; no structural changes | $15,096 | [SF1862509](https://nearbypermits.com/boston/permit/SF1862509/) |
| Jun 26, 2026 | [28 Sheffield Rd](https://nearbypermits.com/boston/address/28-sheffield-rd/) | 0.23 mi S | Plumbing | replacement of fixtures only. toilet, sink and bathtub | $2,500 | [PL1865291](https://nearbypermits.com/boston/permit/PL1865291/) |
| Jun 26, 2026 | [28 Sheffield Rd](https://nearbypermits.com/boston/address/28-sheffield-rd/) | 0.23 mi S | Electrical | Installing old work box and light fixture over 1st floor bathroom medicine cabinet and installing junction box and receptacle in second floor kitchen | $500 | [E1865436](https://nearbypermits.com/boston/permit/E1865436/) |
| Jun 25, 2026 | [28 Sheffield Rd](https://nearbypermits.com/boston/address/28-sheffield-rd/) | 0.23 mi S | Alteration or repair | Water leak in unit requiring drywall install, vanity install, touchups. No structural and very minimal MEP work. | $9,900 | [SF1862411](https://nearbypermits.com/boston/permit/SF1862411/) |
| Jun 24, 2026 | [7 Colby Rd](https://nearbypermits.com/boston/address/7-colby-rd/) | 0.21 mi W | Plumbing | Remodeling. 2nd Floor: 1 kitchen sink, 1 garbage disposal, and 1 dishwasher. | $3,000 | [PL1862872](https://nearbypermits.com/boston/permit/PL1862872/) |
| Jun 11, 2026 | [7 Colby Rd](https://nearbypermits.com/boston/address/7-colby-rd/) | 0.21 mi W | Electrical | Kitchen remodeling with electrical stove | $4,000 | [E1859498](https://nearbypermits.com/boston/permit/E1859498/) |
| Jun 8, 2026 | [7 Colby Rd](https://nearbypermits.com/boston/address/7-colby-rd/) | 0.21 mi W | Alteration or repair | Kitchen updates | $11,505 | [SF1848833](https://nearbypermits.com/boston/permit/SF1848833/) |
| May 27, 2026 | [112 Walter St](https://nearbypermits.com/boston/address/112-walter-st/) | 0.19 mi SE | Alteration or repair | Air sealing, Insulation, Weatherization | $13,413 | [SF1849769](https://nearbypermits.com/boston/permit/SF1849769/) |
| May 22, 2026 | [104 Walter St](https://nearbypermits.com/boston/address/104-walter-st/) | 0.19 mi SE | Solar | Installation of (12) 440w roof top solar modules and associated electrical work. | $25,329 | [SF1842764](https://nearbypermits.com/boston/permit/SF1842764/) |
| May 19, 2026 | [112 Walter St](https://nearbypermits.com/boston/address/112-walter-st/) | 0.19 mi SE | Mechanical (HVAC) | - Installation of 3.5 ton ductless heat pump system to serve the home | $31,913 | [SF1846309](https://nearbypermits.com/boston/permit/SF1846309/) |
| May 11, 2026 | [69 Buchanan Rd](https://nearbypermits.com/boston/address/69-buchanan-rd/) | 0.23 mi NW | Addition | Build addition on the rear of the house. Build ground level deck beside the addition. Remove existing kitchen window and trim opening. Widen the kitchen doorway going into the addition. | $147,000 | [ALT1811466](https://nearbypermits.com/boston/permit/ALT1811466/) |
| May 7, 2026 | [112 Walter St](https://nearbypermits.com/boston/address/112-walter-st/) | 0.19 mi SE | Electrical | - Service upgrade 100A to 200A - Wiring of 1 heat pump condenser - GFCI outlet | $6,950 | [E1846310](https://nearbypermits.com/boston/permit/E1846310/) |

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Source: Boston Inspectional Services Department permit data (https://data.boston.gov/dataset/approved-building-permits). Checked 2026-10-03 11:43 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/