# Building permits at 5 Mercer St, Boston, MA

The biggest project within a quarter mile since May 1: a $500,000 new building at 77 Blake St, permitted Aug 19.

Nine permits on record here. The newest, Sep 15: During the review process, the City of Boston advised that a separate permit for lot consolidation. Within a quarter mile, the city has issued 77 more permits (73 projects) since May 1. One is for a new building, 630 ft away. A zoning request for this address is on file.

## At this address

| Date | Type | Work | Cost | Permit |
|---|---|---|---|---|
| Sep 15, 2026 | Alteration or repair | ;During the review process, the City of Boston advised that a separate permit for lot consolidation; | $344,670 | [ALT1806399](https://nearbypermits.com/boston/permit/ALT1806399/) |
| Sep 18, 2025 | Solar | Installation of roof mounted photovoltaic solar systems, 4.92 kw 12 panels NO BATTERY STORAGE | $28,743 | [SF1771475](https://nearbypermits.com/boston/permit/SF1771475/) |
| Sep 10, 2025 | Solar | Installation of roof mounted photovoltaic solar systems, 4.92 kw 12 panels NO BATTERY STORAGE | $28,743 | [E1771478](https://nearbypermits.com/boston/permit/E1771478/) |
| Jul 30, 2018 | Roofing | strip / re-roof | $6,400 | [SF858936](https://nearbypermits.com/boston/permit/SF858936/) |
| Jun 6, 2016 | Alteration or repair | install 18 replacement windows - same size and location - no structural changes | $17,759 | [SF598308](https://nearbypermits.com/boston/permit/SF598308/) |
| Aug 19, 2015 | Solar | installation of roof mounted photovoltaic solar system 2.86kW 11 panels | $14,300 | [SF507138](https://nearbypermits.com/boston/permit/SF507138/) |
| Aug 19, 2015 | Solar | installation of roof mounted photovoltaic solar system 2.86kW 11 panels | $13,728 | [E507142](https://nearbypermits.com/boston/permit/E507142/) |
| Oct 18, 2010 | Plumbing | gas work to boiler/water heater | $3,000 | [G47354](https://nearbypermits.com/boston/permit/G47354/) |
| May 21, 2010 | Electrical | upgrade service | $1,300 | [E26328](https://nearbypermits.com/boston/permit/E26328/) |

## Within ¼ mi since May 1, 2026

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

### Next door (under 250 ft), 2 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| May 26, 2026 | [15 Mercer St](https://nearbypermits.com/boston/address/15-mercer-st/) | 85 ft NE | Electrical | Replace meter bank from a 3 gang to a 4 gang to add a public meter space. New electrical meter will be installed while the power is off to the home. Electrical meter will be supported and wired per code. Conduits will be reinstalled into the meter. | $5,120 | [E1852898](https://nearbypermits.com/boston/permit/E1852898/) |
| May 22, 2026 | [96a-96 Radcliffe Rd](https://nearbypermits.com/boston/address/96a--96-radcliffe-rd/) | 250 ft N | Electrical | Upgrade service from existing service 100amp to 200amp move all the meter gang outdoor, replace two new panels | $9,800 | [E1852528](https://nearbypermits.com/boston/permit/E1852528/) |

### This block (250 to 1,000 ft), 42 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Oct 13, 2026 | [16 Blake St](https://nearbypermits.com/boston/address/16-blake-st/) | 550 ft SW | Electrical | Wiring two recreational room and bathroom area in basement also changing meter socket to three gang meter socket. | $9,500 | [E1833343](https://nearbypermits.com/boston/permit/E1833343/) |
| Oct 5, 2026 | [14 Joyce Rd](https://nearbypermits.com/boston/address/14-joyce-rd/) | 1,000 ft W | Alteration or repair | Remove and replace kitchen cabinet, 5 windows,1exterior door,front entrance stairs | $45,000 | [SF1905696](https://nearbypermits.com/boston/permit/SF1905696/) |
| Oct 1, 2026 | [27 Ralwood Rd](https://nearbypermits.com/boston/address/27-ralwood-rd/) | 930 ft E | Alteration or repair | Residential weatherization and air sealing with the Mass Save Program. No structural changes. | $8,198 | [SF1903459](https://nearbypermits.com/boston/permit/SF1903459/) |
| Sep 25, 2026 | [47 Blake St](https://nearbypermits.com/boston/address/47-blake-st/) | 420 ft W | Solar | Installation of roof mounted photovoltaic solar systems, 4.1 kw 10 panels with installation of 1 tesla powerwall3 battery installed on exterior of home | $36,600 | [E1904139](https://nearbypermits.com/boston/permit/E1904139/) |
| Sep 24, 2026 | [196 Ruskindale Rd](https://nearbypermits.com/boston/address/196-ruskindale-rd/) | 770 ft NE | Roofing | strip existing roof install ice water shield new alumiun drip edge new asphalth shingles | $20,600 | [SF1904024](https://nearbypermits.com/boston/permit/SF1904024/) |
| Sep 22, 2026 | [1-3 Locust St](https://nearbypermits.com/boston/address/1--3-locust-st/) | 290 ft NW | Electrical | Basement ADU. Service upgrade adding two meters | $22,000 | [E1894507](https://nearbypermits.com/boston/permit/E1894507/) |
| Sep 14, 2026 | [36 Ralston Rd](https://nearbypermits.com/boston/address/36-ralston-rd/) | 920 ft E | Alteration or repair | Add 3 means of egress window in basement. | $9,000 | [ALT1896758](https://nearbypermits.com/boston/permit/ALT1896758/) |
| Sep 10, 2026 | [39 Blake St](https://nearbypermits.com/boston/address/39-blake-st/) | 380 ft W | Electrical | Installing a 5 indoor unit mini split system | $33,000 | [E1896418](https://nearbypermits.com/boston/permit/E1896418/) |
| Sep 10, 2026 | [16 Blake St](https://nearbypermits.com/boston/address/16-blake-st/) | 550 ft SW | Alteration or repair | Adding a room two bathrooms and an exercise room into the basement; | $125,000 | [ALT1878774](https://nearbypermits.com/boston/permit/ALT1878774/) |
| Sep 9, 2026 | [92 Radcliffe Rd](https://nearbypermits.com/boston/address/92-radcliffe-rd/) | 270 ft N | Alteration or repair | repair the front entry steps | $3,500 | [SF1890144](https://nearbypermits.com/boston/permit/SF1890144/) |
| Sep 4, 2026 | [20 Oakcrest Rd](https://nearbypermits.com/boston/address/20-oakcrest-rd/) | 510 ft SE | Electrical | Installation of 1 Tesla powerwall3 battery installed on exterior of home | $10,000 | [SF1894613](https://nearbypermits.com/boston/permit/SF1894613/) |
| Sep 4, 2026 | [20 Oakcrest Rd](https://nearbypermits.com/boston/address/20-oakcrest-rd/) | 510 ft SE | Electrical | Installation of 1 Tesla powerwall3 battery installed on exterior of home | $10,000 | [E1894616](https://nearbypermits.com/boston/permit/E1894616/) |
| Sep 2, 2026 | [79 Taunton Av](https://nearbypermits.com/boston/address/79-taunton-av/) | 480 ft N | Alteration or repair | Removal of existing vinyl siding, wrap the house with tyvek, install trims around windows and wrap with aluminum. Install vinyl siding and soffit, j-channel and corners. | $37,000 | [SF1888406](https://nearbypermits.com/boston/permit/SF1888406/) |
| Aug 28, 2026 | [39 Blake St](https://nearbypermits.com/boston/address/39-blake-st/) | 380 ft W | Alteration or repair | Insulation work as part of the MASS Save program. | $9,000 | [SF1886101](https://nearbypermits.com/boston/permit/SF1886101/) |
| Aug 26, 2026 | [56 Rosebery Rd](https://nearbypermits.com/boston/address/56-rosebery-rd/) | 580 ft NE | Electrical | Main panel swap | $2,600 | [E1894537](https://nearbypermits.com/boston/permit/E1894537/) |
| Aug 24, 2026 | [59 Birchcroft Rd](https://nearbypermits.com/boston/address/59-birchcroft-rd/) | 960 ft NW | Mechanical (HVAC) | 3 Zone Ductless (Minisplit) System. 3 Heads and 1 Condenser. | $20,000 | [SF1890432](https://nearbypermits.com/boston/permit/SF1890432/) |
| Aug 24, 2026 | [154-164 Ruskindale Rd](https://nearbypermits.com/boston/address/154--164-ruskindale-rd/) | 710 ft NE | Electrical | Installation of new GFCI protected outlets with new circuits from existing panels for water bottle filler stations. | $9,000 | [E1890944](https://nearbypermits.com/boston/permit/E1890944/) |
| Aug 20, 2026 | [79 Taunton Av](https://nearbypermits.com/boston/address/79-taunton-av/) | 480 ft N | Alteration or repair | Siding job, remove meter and replace. | $1,000 | [E1889857](https://nearbypermits.com/boston/permit/E1889857/) |
| Aug 19, 2026 | [77 Blake St](https://nearbypermits.com/boston/address/77-blake-st/) | 630 ft N | New building | Construct 2-1/2 Story, two-family dwelling on newly created lot (3,480 sq. ft). Scope includes creating a new driveway access easement for both 79 (two parking spaces) &; 77 Blake St with four spaces at the rear. In conjunction with; ALT1695850;Note:File Amendment for: 1) Second means of Egress for  | $500,000 | [ERT1695842](https://nearbypermits.com/boston/permit/ERT1695842/) |
| Aug 11, 2026 | [14 Oakcrest Rd](https://nearbypermits.com/boston/address/14-oakcrest-rd/) | 530 ft SE | Plumbing | install: toilets, lavs, showers, kitchen sink and tubs | $1,400 | [PL1862835](https://nearbypermits.com/boston/permit/PL1862835/) |
| Aug 10, 2026 | [800 River St](https://nearbypermits.com/boston/address/800-river-st/) | 850 ft S | Solar | Commercial rooftop installation 146.34kW solar system | $112,755 | [ALT1859899](https://nearbypermits.com/boston/permit/ALT1859899/) |
| Jul 29, 2026 | [154-164 Ruskindale Rd](https://nearbypermits.com/boston/address/154--164-ruskindale-rd/) | 710 ft NE | Plumbing | Chittick Elementary School, 154 Ruskindale Road; Replace drinking fountains: 2 in the basement, 3 on the 1st floor and two on the 2nd floor. | $1,000 | [PL1879140](https://nearbypermits.com/boston/permit/PL1879140/) |
| Jul 22, 2026 | [13 Joyce Rd](https://nearbypermits.com/boston/address/13-joyce-rd/) | 930 ft W | Alteration or repair | To insulate attic with blown in cellulose insulation. | $3,842 | [SF1860904](https://nearbypermits.com/boston/permit/SF1860904/) |
| Jul 22, 2026 | [17 Blake St](https://nearbypermits.com/boston/address/17-blake-st/) | 430 ft SW | Plumbing | boiler | $6,000 | [G1874389](https://nearbypermits.com/boston/permit/G1874389/) |
| Jul 21, 2026 | [17 Blake St](https://nearbypermits.com/boston/address/17-blake-st/) | 430 ft SW | Electrical | Steam boiler wiring | $800 | [E1874240](https://nearbypermits.com/boston/permit/E1874240/) |
| Jul 17, 2026 | [67 Oakcrest Rd](https://nearbypermits.com/boston/address/67-oakcrest-rd/) | 730 ft E | Alteration or repair | insulating exterior walls using cellulose R15. insulating and air sealing attic, adding cellulose to bring R value to R49. insulating basement rim joists with fiberglass R19. | $6,911 | [SF1862062](https://nearbypermits.com/boston/permit/SF1862062/) |
| Jul 17, 2026 | [12 Orchard St](https://nearbypermits.com/boston/address/12-orchard-st/) | 840 ft NW | Alteration or repair | Demolition of existing deteriorating enclosed porch and lower roof. Reframe new roof and interior to include new 12ft lvl and 2 post. New construction windows, insulation drywall, and paint and flooring. All egress and foot print will remain the same. And extend living to the basement per plans atta | $30,000 | [ALT1861407](https://nearbypermits.com/boston/permit/ALT1861407/) |
| Jul 14, 2026 | [1-3 Locust St](https://nearbypermits.com/boston/address/1--3-locust-st/) | 290 ft NW | Solar | We are removing 13 current solar panels due to roof work, as well reinstalling once roof work is completed. Removal & Reinstall. We are not the roofers. No upgrades, no changes. No ground electrical will be touched. | $1,690 | [SF1868235](https://nearbypermits.com/boston/permit/SF1868235/) |
| Jul 10, 2026 | [180 Ruskindale Rd](https://nearbypermits.com/boston/address/180-ruskindale-rd/) | 720 ft NE | Electrical | Wire up new ac unit | $600 | [E1871372](https://nearbypermits.com/boston/permit/E1871372/) |
| Jul 6, 2026 | [1-3 Locust St](https://nearbypermits.com/boston/address/1--3-locust-st/) | 290 ft NW | Solar | We are removing 13 current solar panels for emergency repairs, as well reinstalling once roof work is completed. Removal & Reinstall. We are not the roofers. No upgrades, No changes. No ground electrical will be touched. The system will be reinstalled as originally installed. | $1,690 | [E1868302](https://nearbypermits.com/boston/permit/E1868302/) |
| Jun 30, 2026 | [800 River St](https://nearbypermits.com/boston/address/800-river-st/) | 850 ft S | Solar | Commercial rooftop solar installation of 146.34kW solar system | $56,691 | [E1859921](https://nearbypermits.com/boston/permit/E1859921/) |
| Jun 26, 2026 | [22 Joyce Rd](https://nearbypermits.com/boston/address/22-joyce-rd/) | 870 ft W | Solar | Installation of roof mounted photovoltaic solar systems, 7.38 KW 18 panels with installation of 1 franklin battery installed on exterior of home | $59,100 | [SF1859323](https://nearbypermits.com/boston/permit/SF1859323/) |
| Jun 10, 2026 | [22 Joyce Rd](https://nearbypermits.com/boston/address/22-joyce-rd/) | 870 ft W | Solar | Installation of roof mounted photovoltaic solar systems, 7.38 KW 18 panels with installation of 1 franklin battery installed on exterior of home | $59,100 | [E1859327](https://nearbypermits.com/boston/permit/E1859327/) |
| Jun 18, 2026 | [25 Blake St](https://nearbypermits.com/boston/address/25-blake-st/) | 350 ft SW | Electrical | Replace bath exhaust fan | $1,200 | [E1860525](https://nearbypermits.com/boston/permit/E1860525/) |
| Jun 4, 2026 | [25 George St](https://nearbypermits.com/boston/address/25-george-st/) | 660 ft SW | Electrical | 1) new sub panel for garage. 2) new lighting and plugs for garage. 3) new underground feeder in trench for garage power. 4) new 1/2 PVC conduit for low voltage cable. | $4,500 | [E1857300](https://nearbypermits.com/boston/permit/E1857300/) |
| Jun 3, 2026 | [14 Oakcrest Rd](https://nearbypermits.com/boston/address/14-oakcrest-rd/) | 530 ft SE | Fire systems | Add 6 smokes 2 combo | $4,000 | [EFA1857478](https://nearbypermits.com/boston/permit/EFA1857478/) |
| Jun 3, 2026 | [14 Oakcrest Rd](https://nearbypermits.com/boston/address/14-oakcrest-rd/) | 530 ft SE | Electrical | Rewire whole house with 2 bedrooms, 2 full bath, 1 half bath, kitchen, dining room, livingroom, playroom in basement. Upgrad service from 100amp to 200 amp. | $20,000 | [E1857476](https://nearbypermits.com/boston/permit/E1857476/) |
| Jun 1, 2026 | [25 Blake St](https://nearbypermits.com/boston/address/25-blake-st/) | 350 ft SW | Alteration or repair | Insulation work as part of the MASS Save program. | $8,000 | [SF1846912](https://nearbypermits.com/boston/permit/SF1846912/) |
| May 21, 2026 | [6 Linden Av](https://nearbypermits.com/boston/address/6-linden-av/) | 450 ft S | Plumbing | Sewage ejector toilet vantu shower in basement | $6,000 | [PL1848912](https://nearbypermits.com/boston/permit/PL1848912/) |
| May 20, 2026 | [1-3 Locust St](https://nearbypermits.com/boston/address/1--3-locust-st/) | 290 ft NW | Roofing | Strip and re-roof 16sq 1 layer | $10,323 | [SF1848122](https://nearbypermits.com/boston/permit/SF1848122/) |
| May 19, 2026 | [180 Ruskindale Rd](https://nearbypermits.com/boston/address/180-ruskindale-rd/) | 720 ft NE | Demolition | Tear down roofing over stairs | $1,000 | [SF1844936](https://nearbypermits.com/boston/permit/SF1844936/) |
| May 18, 2026 | [12 Orchard St](https://nearbypermits.com/boston/address/12-orchard-st/) | 840 ft NW | Electrical | Remodel the basement, Run wires for the kitchen and bathoom. | $8,000 | [E1848279](https://nearbypermits.com/boston/permit/E1848279/) |

### Farther (1,000 ft to ¼ mi), 33 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Oct 8, 2026 | [108 Greenfield Rd](https://nearbypermits.com/boston/address/108-greenfield-rd/) | 0.24 mi NE | Electrical | New two family service to include house meter | $8,500 | [E1907385](https://nearbypermits.com/boston/permit/E1907385/) |
| Oct 7, 2026 | [251-253 Wood Av](https://nearbypermits.com/boston/address/251--253-wood-av/) | 0.24 mi W | Electrical | New overhead service, 400 Amp 5 meter ins total, 4 units and 1 house meter | $5,000 | [E1907447](https://nearbypermits.com/boston/permit/E1907447/) |
| Oct 2, 2026 | [25 Agnes Av](https://nearbypermits.com/boston/address/25-agnes-av/) | 0.21 mi S | Alteration or repair | Repairs to roof and blocking of walls. | $18,000 | [SF1904595](https://nearbypermits.com/boston/permit/SF1904595/) |
| Oct 1, 2026 | [251-253 Wood Av](https://nearbypermits.com/boston/address/251--253-wood-av/) | 0.24 mi W | Electrical | 400 Amp overhead service, 6 meters total, 5 apartments and 1 house meter | $5,000 | [E1905239](https://nearbypermits.com/boston/permit/E1905239/) |
| Sep 18, 2026 | [10 Pinewood St](https://nearbypermits.com/boston/address/10-pinewood-st/) | 0.21 mi NW | Plumbing | replacement of a gas dryer | $200 | [G1895531](https://nearbypermits.com/boston/permit/G1895531/) |
| Sep 17, 2026 | [251-253 Wood Av](https://nearbypermits.com/boston/address/251--253-wood-av/) | 0.24 mi W | Electrical | Wire new construction Basement Unit, provide basement with its own meter. | $10,000 | [E1886040](https://nearbypermits.com/boston/permit/E1886040/) |
| Sep 14, 2026 | [314 Wood Av](https://nearbypermits.com/boston/address/314-wood-av/) | 0.20 mi SW | Plumbing | add a new bathroom in the basement | $4,500 | [PL1900902](https://nearbypermits.com/boston/permit/PL1900902/) |
| Aug 24, 2026 | [310 Wood Av](https://nearbypermits.com/boston/address/310-wood-av/) | 0.20 mi SW | Electrical | Service upgrade to 200 amps Add public meter | $7,500 | [E1887990](https://nearbypermits.com/boston/permit/E1887990/) |
| Jul 21, 2026 | [12 Osceola St](https://nearbypermits.com/boston/address/12-osceola-st/) | 0.25 mi SE | Electrical | Main panel replacement | $2,500 | [E1872330](https://nearbypermits.com/boston/permit/E1872330/) |
| Jul 17, 2026 | [9 Mariposa St](https://nearbypermits.com/boston/address/9-mariposa-st/) | 0.21 mi N | Alteration or repair | Install 1x FranklinWH aPower 2 battery back-up system (15kWh) on exterior of home. | $21,527 | [ALT1864056](https://nearbypermits.com/boston/permit/ALT1864056/) |
| Jul 13, 2026 | [251-253 Wood Av](https://nearbypermits.com/boston/address/251--253-wood-av/) | 0.24 mi W | Electrical | Wire two family house and common areas, install new 200AMP overhead service | $25,000 | [E1871670](https://nearbypermits.com/boston/permit/E1871670/) |
| Jul 8, 2026 | [9 Mariposa St](https://nearbypermits.com/boston/address/9-mariposa-st/) | 0.21 mi N | Electrical | Install 1x FranklinWH aPower 2 battery back-up system (15kWh) on exterior of home. | $14,351 | [E1864061](https://nearbypermits.com/boston/permit/E1864061/) |
| Jun 25, 2026 | [19-21 Osceola St](https://nearbypermits.com/boston/address/19--21-osceola-st/) | 0.24 mi SE | Plumbing | replace heating boiler | $5,000 | [PL1863345](https://nearbypermits.com/boston/permit/PL1863345/) |
| Jun 25, 2026 | [19-21 Osceola St](https://nearbypermits.com/boston/address/19--21-osceola-st/) | 0.24 mi SE | Plumbing | replace heating boiler | $5,000 | [G1863341](https://nearbypermits.com/boston/permit/G1863341/) |
| Jun 24, 2026 | [74 Birchcroft Rd](https://nearbypermits.com/boston/address/74-birchcroft-rd/) | 0.23 mi NW | Plumbing | 2 full bathroom, 1 kitchen, 1 laundry full home renovation. | $7,000 | [PL1862810](https://nearbypermits.com/boston/permit/PL1862810/) |
| Jun 24, 2026 | [74 Birchcroft Rd](https://nearbypermits.com/boston/address/74-birchcroft-rd/) | 0.23 mi NW | Plumbing | Gas piping for 1 gas range =, 1 gas water heater, 1 gas furnace | $1,000 | [G1862819](https://nearbypermits.com/boston/permit/G1862819/) |
| Jun 24, 2026 | [720 River St](https://nearbypermits.com/boston/address/720-river-st/) | 0.23 mi SE | Electrical | Replace (1) receptacle and box in the living room due to damage. Replace breaker panel and install AFCI breaker in Unit #43 | $1,100 | [E1863707](https://nearbypermits.com/boston/permit/E1863707/) |
| Jun 19, 2026 | [74 Birchcroft Rd](https://nearbypermits.com/boston/address/74-birchcroft-rd/) | 0.23 mi NW | Electrical | low voltage wiring installation- together with electrical permit number-E1838471 | $2,000 | [ELV1861329](https://nearbypermits.com/boston/permit/ELV1861329/) |
| Jun 19, 2026 | [74 Birchcroft Rd](https://nearbypermits.com/boston/address/74-birchcroft-rd/) | 0.23 mi NW | Fire systems | Hardwired smoke alarm detectors installation- together electrical permit number- E1838471 | $2,000 | [EFA1861322](https://nearbypermits.com/boston/permit/EFA1861322/) |
| Jun 18, 2026 | [70 Birchcroft Rd](https://nearbypermits.com/boston/address/70-birchcroft-rd/) | 0.23 mi NW | Alteration or repair | replace siding on right side of house | $3,900 | [SF1858634](https://nearbypermits.com/boston/permit/SF1858634/) |
| Jun 17, 2026 | [25 Alpine St](https://nearbypermits.com/boston/address/25-alpine-st/) | 0.23 mi E | Alteration or repair | Install 4 windows for replacement. Work to be done in unit 38. No structural changes. | $6,802 | [SF1861027](https://nearbypermits.com/boston/permit/SF1861027/) |
| Jun 16, 2026 | [58 Birchcroft Rd](https://nearbypermits.com/boston/address/58-birchcroft-rd/) | 0.20 mi NW | Alteration or repair | Rebuild a deck like for like | $7,000 | [SF1856299](https://nearbypermits.com/boston/permit/SF1856299/) |
| Jun 15, 2026 | [314 Wood Av](https://nearbypermits.com/boston/address/314-wood-av/) | 0.20 mi SW | Electrical | 1st fl lvg.rm ext install 10 ea 120v rec's/ install 8ea recessed lgt's w/3ea sw's.2nd fl office,bathroom and closet ext(office.install 4ea rec's and 4ea recessed lgt's,bathroom,install 2ea rec's, 2ea recessed lgt's, 1ea vanity lgt and 1ea bathroom fan/lgt. closet,install 1ea rec and 3ea lgt's | $5,500 | [E1861086](https://nearbypermits.com/boston/permit/E1861086/) |
| Jun 8, 2026 | [12 Osceola St](https://nearbypermits.com/boston/address/12-osceola-st/) | 0.25 mi SE | Solar | Installation of roof mounted photovoltaic solar systems, 4.1 Kw 10 panels with installation of 1 franklin battery installed on exterior of home | $48,600 | [SF1851626](https://nearbypermits.com/boston/permit/SF1851626/) |
| May 26, 2026 | [12 Osceola St](https://nearbypermits.com/boston/address/12-osceola-st/) | 0.25 mi SE | Solar | Installation of roof mounted photovoltaic solar systems, 4.1 Kw 10 panels with installation of 1 franklin battery installed on exterior of home | $48,600 | [E1851627](https://nearbypermits.com/boston/permit/E1851627/) |
| May 27, 2026 | [50 Taunton Av](https://nearbypermits.com/boston/address/50-taunton-av/) | 0.20 mi NW | Plumbing | Gas furnace replacement | $5,500 | [G1849015](https://nearbypermits.com/boston/permit/G1849015/) |
| May 22, 2026 | [251-253 Wood Av](https://nearbypermits.com/boston/address/251--253-wood-av/) | 0.24 mi W | Plumbing | take the old plumbing out and replace it by new plumbing | $20,000 | [PL1852872](https://nearbypermits.com/boston/permit/PL1852872/) |
| May 22, 2026 | [251-253 Wood Av](https://nearbypermits.com/boston/address/251--253-wood-av/) | 0.24 mi W | Plumbing | replace all the gas pipe | $10,000 | [G1852878](https://nearbypermits.com/boston/permit/G1852878/) |
| May 15, 2026 | [16 Ranley Rd](https://nearbypermits.com/boston/address/16-ranley-rd/) | 0.20 mi NE | Alteration or repair | Install 1 entry door and 1 storm door for replacement. No structural changes. | $3,898 | [SF1847940](https://nearbypermits.com/boston/permit/SF1847940/) |
| May 14, 2026 | [25 Belnel Rd](https://nearbypermits.com/boston/address/25-belnel-rd/) | 0.23 mi S | Plumbing | Plumbing of electric water heater | $2,000 | [PL1848001](https://nearbypermits.com/boston/permit/PL1848001/) |
| May 11, 2026 | [25 Belnel Rd](https://nearbypermits.com/boston/address/25-belnel-rd/) | 0.23 mi S | Electrical | Upgrade service from 100amps to 200 amps. Wire 3.5 ton outdoor condenser with disconnect. Wire electric water heater | $5,000 | [E1847880](https://nearbypermits.com/boston/permit/E1847880/) |
| May 6, 2026 | [9 Coronado Rd](https://nearbypermits.com/boston/address/9-coronado-rd/) | 0.20 mi SE | Plumbing | Water heater replacement. | $5,000 | [PL1844645](https://nearbypermits.com/boston/permit/PL1844645/) |
| May 6, 2026 | [9 Coronado Rd](https://nearbypermits.com/boston/address/9-coronado-rd/) | 0.20 mi SE | Electrical | Service upgrade from 100 to 200 amps. Panel upgrade to add more slots. Connections to (2) exterior condensers, (1) air handler, and 3 floor mounted heads, and hybrid DHW. | $30,000 | [E1846190](https://nearbypermits.com/boston/permit/E1846190/) |

## 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 |  | At this address |  | To confirm occupancy of 1 family --- Scope of work ● New addition ● New bedrooms ● New bathrooms ● New… | [BOA1853472](https://www.boston.gov/appeal-tracker) | "Community Process" | 2026-05-26 |
| Requested |  | 5 Linden Av | 520 ft S | To add a dormer to each side of the attic to create a master bedroom and bathroom | [BOA1899681](https://www.boston.gov/appeal-tracker) | "Community Process" | 2026-09-09 |
| Requested |  | 816 to 818 River St | 870 ft S | Zoning appeal; the city gives no description. | [BOA1731807](https://www.boston.gov/appeal-tracker) | "Appeal Submitted" | 2025-06-09 |
| Requested |  | 816 to 818 River St | 870 ft S | Zoning appeal; the city gives no description. | [BOA1723162](https://www.boston.gov/appeal-tracker) | "Appeal Submitted" | 2025-05-20 |

## More on this street

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

- [2 Mercer St](https://nearbypermits.com/boston/address/2-mercer-st/): newest permit Aug 25, 2025
- [15 Mercer St](https://nearbypermits.com/boston/address/15-mercer-st/): newest permit May 26, 2026
- [19 Mercer St](https://nearbypermits.com/boston/address/19-mercer-st/): newest permit Jul 15, 2026
- [20 Mercer St](https://nearbypermits.com/boston/address/20-mercer-st/): newest permit Apr 2, 2026
- [21 Mercer St](https://nearbypermits.com/boston/address/21-mercer-st/): newest permit Jul 19, 2025
- [30 Mercer St](https://nearbypermits.com/boston/address/30-mercer-st/): newest permit Jul 17, 2026
- [47 Mercer St](https://nearbypermits.com/boston/address/47-mercer-st/): newest permit Feb 25, 2025
- [125 Mercer St](https://nearbypermits.com/boston/address/125-mercer-st/): newest permit Jun 16, 2026

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Source: Boston Inspectional Services Department permit data (https://data.boston.gov/dataset/approved-building-permits). Checked 2026-10-14 20:23 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 14, 16:47 UTC.

Map, all 9 permits at this address and 77 nearby: https://nearbypermits.com/boston/address/5-mercer-st/