# Building permits at 21 Oak Square Av, Boston, MA The biggest project within a quarter mile since May 1: an $867,075 project at 27 Bothwell Rd, permitted Jul 17. Seven permits on record here. The newest, Jul 31: Remodeling. Within a quarter mile, the city has issued 60 more permits (58 projects) since May 1. One is for a new building, 0.24 mi away. ## At this address | Date | Type | Work | Cost | Permit | |---|---|---|---|---| | Jul 31, 2026 | Plumbing | Remodeling. 1st Floor: 1 range. | $1,000 | [G1879332](https://nearbypermits.com/boston/permit/G1879332/) | | Oct 9, 2025 | Alteration or repair | Plan is to remodel kitchen, renovate first floor bathroom and install second floor bathroom. For exterior, plan is to install new deck flooring on front deck and install back deck. | $122,000 | [ALT1775065](https://nearbypermits.com/boston/permit/ALT1775065/) | | Oct 8, 2025 | Plumbing | Remodeling. 1st Floor: 1 kitchen sink, 1 garbage disposal, 1 dishwasher, 1 ice maker, 1 toilet, 1 lavatory, and 1 shower stall. 2nd Floor: 1 toilet, 1 lavatory, and 1 bathtub. | $9,000 | [PL1785728](https://nearbypermits.com/boston/permit/PL1785728/) | | Oct 8, 2025 | Electrical | 21 Oak Square Ave Brighton, MA 02135 United States Sergei Molto Overhead Service upgrade 100 to 200 amps Renovation of the kitchen bathroom (2) | $18,000 | [E1786172](https://nearbypermits.com/boston/permit/E1786172/) | | Jul 19, 2021 | Electrical | Wiring Mini-split condense | $1,000 | [E1223215](https://nearbypermits.com/boston/permit/E1223215/) | | Jan 17, 2014 | Plumbing | install hi efficiency navian heat and hot water | $6,270 | [PL320406](https://nearbypermits.com/boston/permit/PL320406/) | | Jan 17, 2014 | Plumbing | | $2,230 | [G320411](https://nearbypermits.com/boston/permit/G320411/) | ## Within ¼ mi since May 1, 2026 60 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 | |---|---|---|---|---|---|---| | Aug 5, 2026 | [29 Oak Square Av](https://nearbypermits.com/boston/address/29-oak-square-av/) | 110 ft N | Plumbing | Remove two existing boiler and install (2) New high efficiency gas boiler | Not listed | [G1874946](https://nearbypermits.com/boston/permit/G1874946/) | ### This block (250 to 1,000 ft), 25 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Sep 29, 2026 | [61 Fairbanks St](https://nearbypermits.com/boston/address/61-fairbanks-st/) | 420 ft NE | Alteration or repair | Scope of work includes: selective demo, temporary structural support, replacement of the existing main beam & supporting columns, construction of new reinforced concrete footings, repairs & reinforcement to affected floor framing & stair framing at opening. | $27,500 | [ALT1903641](https://nearbypermits.com/boston/permit/ALT1903641/) | | Sep 22, 2026 | [520 Washington St](https://nearbypermits.com/boston/address/520-washington-st/) | 610 ft S | Plumbing | new boiler | $10,000 | [G1889541](https://nearbypermits.com/boston/permit/G1889541/) | | Sep 18, 2026 | [12 Hobson St](https://nearbypermits.com/boston/address/12-hobson-st/) | 990 ft N | Alteration or repair | Residential weatherization/air sealing. No structural changes. (Site ID -884384, 884382) (Unit-1, Unit-2) | $9,000 | [SF1892899](https://nearbypermits.com/boston/permit/SF1892899/) | | Sep 8, 2026 | [16 Montfern Av](https://nearbypermits.com/boston/address/16-montfern-av/) | 320 ft W | Alteration or repair | Replace three existing front decks with new decks of the same size and location. Repair existing rear decks as needed, including replacement of deck boards, guardrails, and damaged components. No change to building footprint | $45,500 | [SF1899240](https://nearbypermits.com/boston/permit/SF1899240/) | | Aug 4, 2026 | [131 Brooks St](https://nearbypermits.com/boston/address/131-brooks-st/) | 970 ft N | Electrical | Remodel kitchens | $4,000 | [E1882006](https://nearbypermits.com/boston/permit/E1882006/) | | Jul 31, 2026 | [131 Brooks St](https://nearbypermits.com/boston/address/131-brooks-st/) | 970 ft N | Plumbing | Renovation, 1st fl kitchen stove. | $500 | [G1879065](https://nearbypermits.com/boston/permit/G1879065/) | | Jul 29, 2026 | [131 Brooks St](https://nearbypermits.com/boston/address/131-brooks-st/) | 970 ft N | Plumbing | renovation, 1st fl kitchen | $1,500 | [PL1879062](https://nearbypermits.com/boston/permit/PL1879062/) | | Jul 24, 2026 | [28-30 Dickinson Rd](https://nearbypermits.com/boston/address/28--30-dickinson-rd/) | 930 ft SE | Roofing | Strip and reroof 17 SQ. No structural changes. | $16,431 | [SF1876012](https://nearbypermits.com/boston/permit/SF1876012/) | | Jul 21, 2026 | [131 Brooks St](https://nearbypermits.com/boston/address/131-brooks-st/) | 970 ft N | Alteration or repair | Remodel the kitchen as in the draw plan | Not listed | [SF1872761](https://nearbypermits.com/boston/permit/SF1872761/) | | Jul 9, 2026 | [36-38 Dickinson Rd](https://nearbypermits.com/boston/address/36--38-dickinson-rd/) | 980 ft S | Alteration or repair | Air sealing,walls, rim joist, door sweep, exterior door | $4,828 | [SF1870773](https://nearbypermits.com/boston/permit/SF1870773/) | | Jun 30, 2026 | [331 Faneuil St](https://nearbypermits.com/boston/address/331-faneuil-st/) | 730 ft N | Alteration or repair | Install vinyl siding on top of existing siding. | $49,543 | [SF1864620](https://nearbypermits.com/boston/permit/SF1864620/) | | Jun 24, 2026 | [539 Washington St](https://nearbypermits.com/boston/address/539-washington-st/) | 380 ft S | Alteration or repair | Air seal and Poly board on basement rim joist sills, dense pack exterior walls of all 3 units with cellulose insulation, dense pack underneath existing flooring in the battic, add high ventilation to meet NFA requirements | $20,456 | [SF1861585](https://nearbypermits.com/boston/permit/SF1861585/) | | Jun 24, 2026 | [615 Washington St](https://nearbypermits.com/boston/address/615-washington-st/) | 970 ft W | Sign | replace the 4 existing wall banners with 4 new ones | $3,000 | [ALT1860564](https://nearbypermits.com/boston/permit/ALT1860564/) | | Jun 18, 2026 | [520 Washington St](https://nearbypermits.com/boston/address/520-washington-st/) | 610 ft S | Roofing | Strip and re-roof 60-mil PVC membrane | $17,550 | [SF1862498](https://nearbypermits.com/boston/permit/SF1862498/) | | Jun 16, 2026 | [560 Washington St](https://nearbypermits.com/boston/address/560-washington-st/) | 400 ft SW | Fire systems | Install a new UL Central station fire alarm system | $8,000 | [EFA1860308](https://nearbypermits.com/boston/permit/EFA1860308/) | | Jun 11, 2026 | [71-73 Beechcroft St](https://nearbypermits.com/boston/address/71--73-beechcroft-st/) | 800 ft NE | Electrical | Wiring to 1 heat pump condenser | $900 | [E1859415](https://nearbypermits.com/boston/permit/E1859415/) | | Jun 1, 2026 | [520 Washington St](https://nearbypermits.com/boston/address/520-washington-st/) | 610 ft S | Electrical | replacing 25 smokes and 50 breakers, adding surge protectors in panels and adding 2 car chargers | $18,000 | [E1847937](https://nearbypermits.com/boston/permit/E1847937/) | | May 26, 2026 | [31 Langley Rd](https://nearbypermits.com/boston/address/31-langley-rd/) | 870 ft SW | Roofing | Remove existing asphalt shingles and install new asphalt shingles, underlayment, flashing and proper ventilation: Owens corning system.Quantity-(21.5) | $12,340 | [SF1851883](https://nearbypermits.com/boston/permit/SF1851883/) | | May 23, 2026 | [615 Washington St](https://nearbypermits.com/boston/address/615-washington-st/) | 970 ft W | Other | Setting up a hexagon and 20x40 tent for the ymca summer program | $10,456 | [SF1848079](https://nearbypermits.com/boston/permit/SF1848079/) | | May 22, 2026 | [301 Faneuil St](https://nearbypermits.com/boston/address/301-faneuil-st/) | 850 ft N | Alteration or repair | Removing and replacing 4 windows, replacing like with like, no structural changes. | $4,834 | [SF1846956](https://nearbypermits.com/boston/permit/SF1846956/) | | May 9, 2026 | [560 Washington St](https://nearbypermits.com/boston/address/560-washington-st/) | 400 ft SW | Electrical | cat6 and rg6 wiring throughout new constrcution 7 unit apartment building | $15,000 | [ELV1845227](https://nearbypermits.com/boston/permit/ELV1845227/) | | May 9, 2026 | [560 Washington St](https://nearbypermits.com/boston/address/560-washington-st/) | 400 ft SW | Fire systems | wiring and installation of 110 volt smoke detectors in new construction 7 unit apartment building | $15,000 | [EFA1845226](https://nearbypermits.com/boston/permit/EFA1845226/) | | May 9, 2026 | [560 Washington St](https://nearbypermits.com/boston/address/560-washington-st/) | 400 ft SW | Electrical | wiring of new construction 7 unit apartment building | $135,000 | [E1845225](https://nearbypermits.com/boston/permit/E1845225/) | | May 1, 2026 | [560 Washington St](https://nearbypermits.com/boston/address/560-washington-st/) | 400 ft SW | Plumbing | Plumbing for new seven unit building | $110,000 | [PL1844691](https://nearbypermits.com/boston/permit/PL1844691/) | | May 1, 2026 | [43 Brackett St](https://nearbypermits.com/boston/address/43-brackett-st/) | 530 ft NW | Plumbing | replacement of a gas dryer | $180 | [G1843889](https://nearbypermits.com/boston/permit/G1843889/) | ### Farther (1,000 ft to ¼ mi), 34 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Oct 5, 2026 | [470 Washington St](https://nearbypermits.com/boston/address/470-washington-st/) | 0.24 mi SE | Fire systems | Add new horn strobes, Smoke detecgtors, Mpnitor module for ansul system, Pull Station and test existing duct detector. all tied into an existing Fire panel 2nd floor unit 2 Popeyes Chicken. This is to replace electric permit E1843321 | $12,000 | [EFA1905587](https://nearbypermits.com/boston/permit/EFA1905587/) | | Oct 1, 2026 | [12 Regal St](https://nearbypermits.com/boston/address/12-regal-st/) | 0.23 mi SW | Electrical | upgrading panel from 100A to 200A | $5,000 | [E1906325](https://nearbypermits.com/boston/permit/E1906325/) | | Sep 23, 2026 | [487-489 Washington St](https://nearbypermits.com/boston/address/487--489-washington-st/) | 0.20 mi SE | Electrical | Replace existing fluorescent lighting fixtures with LED/TLED fixtures. Install 18 LED/TLED interior fixtur3 retrofits, 5 fluorescent 8-ft fixture retrofits, 2 LED exterior fixtures, and 4 occupancy/photo sensors. Includes associated electrical connections and controls. | $1,492 | [E1903441](https://nearbypermits.com/boston/permit/E1903441/) | | Sep 8, 2026 | [28 Adair Rd](https://nearbypermits.com/boston/address/28-adair-rd/) | 0.22 mi NW | Electrical | Mini split install | $2,000 | [E1897822](https://nearbypermits.com/boston/permit/E1897822/) | | Sep 4, 2026 | [14 Bothwell Rd](https://nearbypermits.com/boston/address/14-bothwell-rd/) | 0.24 mi NE | Solar | PV System Install: 8.645 kW-DC; 7.600 kW-AC; 19 Modules; 1 Inverter; Roof-Mounted; NO Structural; NO ESS | $21,613 | [SF1886717](https://nearbypermits.com/boston/permit/SF1886717/) | | Aug 19, 2026 | [14 Bothwell Rd](https://nearbypermits.com/boston/address/14-bothwell-rd/) | 0.24 mi NE | Solar | PV System Install: 8.645 kW-DC; 7.600 kW-AC; 19 Modules; 1 Inverter; Roof-Mounted; NO Structural; NO ESS. | $21,613 | [E1888360](https://nearbypermits.com/boston/permit/E1888360/) | | Sep 4, 2026 | [470 Washington St](https://nearbypermits.com/boston/address/470-washington-st/) | 0.24 mi SE | Sign | IMAGE STUDIOS SIGNAGE REBRAND: Install (3) illuminated channel lettersets | $6,500 | [ALT1868734](https://nearbypermits.com/boston/permit/ALT1868734/) | | Sep 3, 2026 | [27 Bothwell Rd](https://nearbypermits.com/boston/address/27-bothwell-rd/) | 0.24 mi NE | Plumbing | install new fixtures | $80,000 | [PL1895505](https://nearbypermits.com/boston/permit/PL1895505/) | | Aug 31, 2026 | [22 Breck Av](https://nearbypermits.com/boston/address/22-breck-av/) | 0.23 mi W | Electrical | repair the weather head (service line) | $2,500 | [E1896209](https://nearbypermits.com/boston/permit/E1896209/) | | Aug 27, 2026 | [14 Bothwell Rd](https://nearbypermits.com/boston/address/14-bothwell-rd/) | 0.24 mi NE | Electrical | 200A Service Upgrade + Ev charger | $5,000 | [ELV1894535](https://nearbypermits.com/boston/permit/ELV1894535/) | | Aug 27, 2026 | [4-12 Perthshire Rd](https://nearbypermits.com/boston/address/4--12-perthshire-rd/) | 0.23 mi NW | Electrical | Inspect and make the electrical wiring safe in areas affected by fire and water in the main wing. Work being done at 10 Perthshire ave | $40,000 | [E1891514](https://nearbypermits.com/boston/permit/E1891514/) | | Aug 24, 2026 | [470 Washington St](https://nearbypermits.com/boston/address/470-washington-st/) | 0.24 mi SE | Sign | Install (2) new wall signs and (1) set of tenant panels on an existing directory | $3,800 | [ALT1877539](https://nearbypermits.com/boston/permit/ALT1877539/) | | Aug 19, 2026 | [123 Bennett St](https://nearbypermits.com/boston/address/123-bennett-st/) | 0.24 mi NE | Alteration or repair | Remove the front and back deck, frame same measurements using pressure treated lumbre, composite flooring and pvc handrail. | $45,000 | [SF1886919](https://nearbypermits.com/boston/permit/SF1886919/) | | Aug 7, 2026 | [14 Bothwell Rd](https://nearbypermits.com/boston/address/14-bothwell-rd/) | 0.24 mi NE | Alteration or repair | front stair case drive way stairs case veneer | $25,380 | [SF1879412](https://nearbypermits.com/boston/permit/SF1879412/) | | Jul 24, 2026 | [14 Bothwell Rd](https://nearbypermits.com/boston/address/14-bothwell-rd/) | 0.24 mi NE | Roofing | Roof work. Replacing existing roofing materials and installing new shingles, underlayment, flashing, and associated roofing components. | $15,000 | [SF1874228](https://nearbypermits.com/boston/permit/SF1874228/) | | Jul 21, 2026 | [116 Brooks St](https://nearbypermits.com/boston/address/116-brooks-st/) | 0.22 mi N | Roofing | Remove and replace 18 squares of asphalt shingles with new CertainTeed Landmark shingles, underlayment, ice & water shield, drip edge, flashing, and ridge vent. Replace 4 squares of EPDM roof, 45 LF of PVC fascia, and repair damaged roof sheathing as needed. | $23,123 | [SF1874439](https://nearbypermits.com/boston/permit/SF1874439/) | | Jul 17, 2026 | [27 Bothwell Rd](https://nearbypermits.com/boston/address/27-bothwell-rd/) | 0.24 mi NE | New building | New construction of a wood framed 2-1/2 story over basement, 2-family structure;e[Plans] Filed.(SF1857628-Removal of existing structure on lot) | $867,075 | [ERT1745326](https://nearbypermits.com/boston/permit/ERT1745326/) | | Jul 14, 2026 | [55 Bostonia Av](https://nearbypermits.com/boston/address/55-bostonia-av/) | 0.22 mi SW | Other | Amendment to ERT 1545143. Added storage in the basement for Unit 1. Added 806 SQF of to Unit 2. The space was added to the attic. New work included adding a bedroom and bathroom with roof dormer. | $50,000 | [A1795336](https://nearbypermits.com/boston/permit/A1795336/) | | Jul 9, 2026 | [11 Hobson St](https://nearbypermits.com/boston/address/11-hobson-st/) | 0.19 mi NE | Plumbing | Adding a second bathroom and laundry to the 1st floor unit | $10,000 | [PL1869342](https://nearbypermits.com/boston/permit/PL1869342/) | | Jul 6, 2026 | [124-126 Brooks St](https://nearbypermits.com/boston/address/124--126-brooks-st/) | 0.21 mi N | Electrical | Emergency feeder repair between meter and panel | $900 | [E1868183](https://nearbypermits.com/boston/permit/E1868183/) | | Jun 30, 2026 | [54 Bostonia Av](https://nearbypermits.com/boston/address/54-bostonia-av/) | 0.20 mi SW | Electrical | 200 amp service upgrade, new charger, 3 new mini split systems | $9,800 | [E1864916](https://nearbypermits.com/boston/permit/E1864916/) | | Jun 26, 2026 | [119 Bennett St](https://nearbypermits.com/boston/address/119-bennett-st/) | 0.24 mi NE | Alteration or repair | Add temporary egress to bedroom for immediate life safety concern, ALT to be filed to correct violation V846708. | $900 | [SF1860468](https://nearbypermits.com/boston/permit/SF1860468/) | | Jun 26, 2026 | [72-72b Oakland St](https://nearbypermits.com/boston/address/72--72b-oakland-st/) | 0.24 mi E | Fire systems | Back line voltage 120 Volt interconnected fire detectors | $500 | [EFA1864014](https://nearbypermits.com/boston/permit/EFA1864014/) | | Jun 26, 2026 | [72-72b Oakland St](https://nearbypermits.com/boston/address/72--72b-oakland-st/) | 0.24 mi E | Fire systems | Front unit wire line voltage 120 volt interconnected fire detectors | $500 | [EFA1864009](https://nearbypermits.com/boston/permit/EFA1864009/) | | Jun 26, 2026 | [11 Hobson St](https://nearbypermits.com/boston/address/11-hobson-st/) | 0.19 mi NE | Electrical | Rewire kitchen bathroom and laundry | $8,000 | [E1863528](https://nearbypermits.com/boston/permit/E1863528/) | | Jun 23, 2026 | [470 Washington St](https://nearbypermits.com/boston/address/470-washington-st/) | 0.24 mi SE | Electrical | Installation of low-voltage cabling and security camera system including cameras, NVR, network equipment, and system configuration. | $6,500 | [ELV1863021](https://nearbypermits.com/boston/permit/ELV1863021/) | | Jun 16, 2026 | [11 Hobson St](https://nearbypermits.com/boston/address/11-hobson-st/) | 0.19 mi NE | Alteration or repair | Replace existing kitchen cabinets and countertops, add new bathroom and laundry. | $40,000 | [SF1859619](https://nearbypermits.com/boston/permit/SF1859619/) | | Jun 12, 2026 | [245-249a Faneuil St](https://nearbypermits.com/boston/address/245--249a-faneuil-st/) | 0.23 mi NE | Plumbing | Oliveira Deli Market - Indirect prep. prep sink | $1,000 | [PL1860343](https://nearbypermits.com/boston/permit/PL1860343/) | | Jun 4, 2026 | [27 Bothwell Rd](https://nearbypermits.com/boston/address/27-bothwell-rd/) | 0.24 mi NE | Demolition | Take Down of two family wood frame structureDig Safe#2026203414 | $24,500 | [SF1857628](https://nearbypermits.com/boston/permit/SF1857628/) | | May 15, 2026 | [470 Washington St](https://nearbypermits.com/boston/address/470-washington-st/) | 0.24 mi SE | Fire systems | Add New Hom Strobes, Smoke Detectors, Monitor module for Ansul System, Pull Station and Test existing Duct Detector. All tied into an Exisiting Fire Panel. 2nfFloor Unit 2 Popeyes Chicken. | $12,195 | [EFA1850037](https://nearbypermits.com/boston/permit/EFA1850037/) | | May 5, 2026 | [52 Bostonia Av](https://nearbypermits.com/boston/address/52-bostonia-av/) | 0.21 mi SW | Plumbing | Replacement of gas water heater | $1,986 | [PL1844739](https://nearbypermits.com/boston/permit/PL1844739/) | | May 5, 2026 | [52 Bostonia Av](https://nearbypermits.com/boston/address/52-bostonia-av/) | 0.21 mi SW | Plumbing | Replacement of gas water heater | $1,986 | [G1844738](https://nearbypermits.com/boston/permit/G1844738/) | | May 4, 2026 | [470 Washington St](https://nearbypermits.com/boston/address/470-washington-st/) | 0.24 mi SE | Plumbing | Gas piping for a Popeye's restaurant | $7,500 | [G1844420](https://nearbypermits.com/boston/permit/G1844420/) | | May 4, 2026 | [27 Bothwell Rd](https://nearbypermits.com/boston/address/27-bothwell-rd/) | 0.24 mi NE | Electrical | Installation of temporary electrical service for construction of new dwelling | $3,500 | [ETS1845079](https://nearbypermits.com/boston/permit/ETS1845079/) | ## More on this street Other addresses on Oak Square Av with permits, nearest house number first: - [25 Oak Square Av](https://nearbypermits.com/boston/address/25-oak-square-av/): newest permit May 6, 2025 - [29 Oak Square Av](https://nearbypermits.com/boston/address/29-oak-square-av/): newest permit Aug 5, 2026 - [37 Oak Square Av](https://nearbypermits.com/boston/address/37-oak-square-av/): newest permit Jul 29, 2025 - [41 Oak Square Av](https://nearbypermits.com/boston/address/41-oak-square-av/): newest permit Nov 18, 2025 - [48 Oak Square Av](https://nearbypermits.com/boston/address/48-oak-square-av/): newest permit Dec 2, 2025 - [49 Oak Square Av](https://nearbypermits.com/boston/address/49-oak-square-av/): newest permit Jan 9, 2026 --- Source: Boston Inspectional Services Department permit data (https://data.boston.gov/dataset/approved-building-permits). Checked 2026-10-08 04:16 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/ Map, all 7 permits at this address and 60 nearby: https://nearbypermits.com/boston/address/21-oak-square-av/