# Building permits at 821 River St, Boston, MA

The biggest project within a quarter mile since May 1: a $344,670 alteration or repair at 5 Mercer St, permitted Sep 15.

Six permits on record here. The newest, Dec 11, 2025: Install of roof mounted pv solar panels- system size of 13 panels-system size of Kw- 5.330 Kw-no battery. Within a quarter mile, the city has issued 64 more permits (60 projects) since May 1.

## At this address

| Date | Type | Work | Cost | Permit |
|---|---|---|---|---|
| Dec 11, 2025 | Solar | Install of roof mounted pv solar panels- system size of 13 panels-system size of Kw- 5.330 Kw-no battery storage to be installed.. Revision details: rev#1 : layout & poi updated. Rev#2 planset updated | $34,633 | [SF1800229](https://nearbypermits.com/boston/permit/SF1800229/) |
| Nov 12, 2025 | Electrical | 200amp full service upgrade, relocating meter from inside to outside. (solar) WO# 22785500 | $4,300 | [E1797091](https://nearbypermits.com/boston/permit/E1797091/) |
| Sep 29, 2025 | Solar | Installation of roof mounted solar pv - 13 panels - 5.33kW system size. No battery/no structural. | $34,633 | [SF1774316](https://nearbypermits.com/boston/permit/SF1774316/) |
| Sep 29, 2025 | Electrical | Installation of roof mounted solar pv - 13 panels - 5.33kW system size. No battery. | $27,707 | [E1774325](https://nearbypermits.com/boston/permit/E1774325/) |
| Mar 31, 2021 | Roofing | Strip roof. Install ice and water shield and synthetic underlayment. Install 12 squares of architect type roofing shingles. | $11,900 | [SF1175629](https://nearbypermits.com/boston/permit/SF1175629/) |
| Aug 27, 2012 | Alteration or repair | Weatherization, Cellulose Blown-In, Air Sealing, & Weather Stripping | $4,541 | [SF176595](https://nearbypermits.com/boston/permit/SF176595/) |

## Within ¼ mi since May 1, 2026

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

### This block (250 to 1,000 ft), 33 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Oct 2, 2026 | [25 Agnes Av](https://nearbypermits.com/boston/address/25-agnes-av/) | 390 ft S | Alteration or repair | Repairs to roof and blocking of walls. | $18,000 | [SF1904595](https://nearbypermits.com/boston/permit/SF1904595/) |
| Sep 25, 2026 | [47 Blake St](https://nearbypermits.com/boston/address/47-blake-st/) | 890 ft N | 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 22, 2026 | [1-3 Locust St](https://nearbypermits.com/boston/address/1--3-locust-st/) | 880 ft N | Electrical | Basement ADU. Service upgrade adding two meters | $22,000 | [E1894507](https://nearbypermits.com/boston/permit/E1894507/) |
| Sep 15, 2026 | [5 Mercer St](https://nearbypermits.com/boston/address/5-mercer-st/) | 800 ft NE | 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 14, 2026 | [314 Wood Av](https://nearbypermits.com/boston/address/314-wood-av/) | 430 ft W | Plumbing | add a new bathroom in the basement | $4,500 | [PL1900902](https://nearbypermits.com/boston/permit/PL1900902/) |
| Sep 10, 2026 | [39 Blake St](https://nearbypermits.com/boston/address/39-blake-st/) | 800 ft N | 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/) | 300 ft N | 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 4, 2026 | [20 Oakcrest Rd](https://nearbypermits.com/boston/address/20-oakcrest-rd/) | 710 ft NE | 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/) | 710 ft NE | Electrical | Installation of 1 Tesla powerwall3 battery installed on exterior of home | $10,000 | [E1894616](https://nearbypermits.com/boston/permit/E1894616/) |
| Aug 28, 2026 | [39 Blake St](https://nearbypermits.com/boston/address/39-blake-st/) | 800 ft N | Alteration or repair | Insulation work as part of the MASS Save program. | $9,000 | [SF1886101](https://nearbypermits.com/boston/permit/SF1886101/) |
| Aug 24, 2026 | [310 Wood Av](https://nearbypermits.com/boston/address/310-wood-av/) | 450 ft W | Electrical | Service upgrade to 200 amps Add public meter | $7,500 | [E1887990](https://nearbypermits.com/boston/permit/E1887990/) |
| Aug 11, 2026 | [14 Oakcrest Rd](https://nearbypermits.com/boston/address/14-oakcrest-rd/) | 670 ft NE | 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/) | 330 ft E | Solar | Commercial rooftop installation 146.34kW solar system | $112,755 | [ALT1859899](https://nearbypermits.com/boston/permit/ALT1859899/) |
| Jul 22, 2026 | [13 Joyce Rd](https://nearbypermits.com/boston/address/13-joyce-rd/) | 980 ft NW | 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/) | 380 ft N | 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/) | 380 ft N | Electrical | Steam boiler wiring | $800 | [E1874240](https://nearbypermits.com/boston/permit/E1874240/) |
| Jul 14, 2026 | [1-3 Locust St](https://nearbypermits.com/boston/address/1--3-locust-st/) | 880 ft N | 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 6, 2026 | [1-3 Locust St](https://nearbypermits.com/boston/address/1--3-locust-st/) | 880 ft N | 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/) |
| Jul 1, 2026 | [6 Frazer St](https://nearbypermits.com/boston/address/6-frazer-st/) | 650 ft W | Electrical | Adding public meter. | $7,500 | [E1867808](https://nearbypermits.com/boston/permit/E1867808/) |
| Jun 30, 2026 | [800 River St](https://nearbypermits.com/boston/address/800-river-st/) | 330 ft E | Solar | Commercial rooftop solar installation of 146.34kW solar system | $56,691 | [E1859921](https://nearbypermits.com/boston/permit/E1859921/) |
| Jun 18, 2026 | [25 Blake St](https://nearbypermits.com/boston/address/25-blake-st/) | 530 ft N | Electrical | Replace bath exhaust fan | $1,200 | [E1860525](https://nearbypermits.com/boston/permit/E1860525/) |
| Jun 15, 2026 | [314 Wood Av](https://nearbypermits.com/boston/address/314-wood-av/) | 430 ft W | 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 4, 2026 | [25 George St](https://nearbypermits.com/boston/address/25-george-st/) | 470 ft NW | 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/) | 670 ft NE | 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/) | 670 ft NE | 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/) | 530 ft N | Alteration or repair | Insulation work as part of the MASS Save program. | $8,000 | [SF1846912](https://nearbypermits.com/boston/permit/SF1846912/) |
| May 26, 2026 | [15 Mercer St](https://nearbypermits.com/boston/address/15-mercer-st/) | 890 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 21, 2026 | [6 Linden Av](https://nearbypermits.com/boston/address/6-linden-av/) | 390 ft NE | 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/) | 880 ft N | Roofing | Strip and re-roof 16sq 1 layer | $10,323 | [SF1848122](https://nearbypermits.com/boston/permit/SF1848122/) |
| May 14, 2026 | [25 Belnel Rd](https://nearbypermits.com/boston/address/25-belnel-rd/) | 820 ft SE | 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/) | 820 ft SE | 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/) | 900 ft E | 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/) | 900 ft E | 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/) |

### Farther (1,000 ft to ¼ mi), 31 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Oct 7, 2026 | [72 Ayles Rd](https://nearbypermits.com/boston/address/72-ayles-rd/) | 0.24 mi W | Plumbing | This is address is also 22 Ellard Rd Gas furnace replacement | $6,500 | [G1907920](https://nearbypermits.com/boston/permit/G1907920/) |
| Oct 7, 2026 | [251-253 Wood Av](https://nearbypermits.com/boston/address/251--253-wood-av/) | 0.21 mi NW | 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 6, 2026 | [20 Osceola St](https://nearbypermits.com/boston/address/20-osceola-st/) | 0.24 mi E | Electrical | Low voltage alarm install | $1,200 | [ELV1906014](https://nearbypermits.com/boston/permit/ELV1906014/) |
| Oct 5, 2026 | [14 Joyce Rd](https://nearbypermits.com/boston/address/14-joyce-rd/) | 0.20 mi NW | 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 | [251-253 Wood Av](https://nearbypermits.com/boston/address/251--253-wood-av/) | 0.21 mi NW | Electrical | 400 Amp overhead service, 6 meters total, 5 apartments and 1 house meter | $5,000 | [E1905239](https://nearbypermits.com/boston/permit/E1905239/) |
| Sep 22, 2026 | [58 Lewiston St](https://nearbypermits.com/boston/address/58-lewiston-st/) | 0.24 mi NW | Plumbing | replace existing shower valve and drain with new shower valve and drain | $1,895 | [PL1902462](https://nearbypermits.com/boston/permit/PL1902462/) |
| Sep 21, 2026 | [20 Osceola St](https://nearbypermits.com/boston/address/20-osceola-st/) | 0.24 mi E | Electrical | Install SPAN panel and replace service disconnect | $8,200 | [E1902450](https://nearbypermits.com/boston/permit/E1902450/) |
| Sep 21, 2026 | [20 Osceola St](https://nearbypermits.com/boston/address/20-osceola-st/) | 0.24 mi E | Solar | Installation of roof mounted photovoltaic solar systems, 7.79 kw 19 panels with installation of 1 Tesla powerwall3 battery installed on exterior of home | $61,500 | [E1902086](https://nearbypermits.com/boston/permit/E1902086/) |
| Sep 17, 2026 | [251-253 Wood Av](https://nearbypermits.com/boston/address/251--253-wood-av/) | 0.21 mi NW | Electrical | Wire new construction Basement Unit, provide basement with its own meter. | $10,000 | [E1886040](https://nearbypermits.com/boston/permit/E1886040/) |
| Sep 9, 2026 | [92 Radcliffe Rd](https://nearbypermits.com/boston/address/92-radcliffe-rd/) | 0.20 mi N | Alteration or repair | repair the front entry steps | $3,500 | [SF1890144](https://nearbypermits.com/boston/permit/SF1890144/) |
| Sep 2, 2026 | [79 Taunton Av](https://nearbypermits.com/boston/address/79-taunton-av/) | 0.24 mi 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 26, 2026 | [7 Hopewell Rd](https://nearbypermits.com/boston/address/7-hopewell-rd/) | 0.25 mi SE | Electrical | Upgrade the existing service from 100 amps to 200 amps and relocated the panel breaker from inside the bathroom to new Location. | $4,000 | [E1891452](https://nearbypermits.com/boston/permit/E1891452/) |
| Aug 24, 2026 | [59 Birchcroft Rd](https://nearbypermits.com/boston/address/59-birchcroft-rd/) | 0.25 mi NW | Mechanical (HVAC) | 3 Zone Ductless (Minisplit) System. 3 Heads and 1 Condenser. | $20,000 | [SF1890432](https://nearbypermits.com/boston/permit/SF1890432/) |
| Aug 20, 2026 | [79 Taunton Av](https://nearbypermits.com/boston/address/79-taunton-av/) | 0.24 mi N | Alteration or repair | Siding job, remove meter and replace. | $1,000 | [E1889857](https://nearbypermits.com/boston/permit/E1889857/) |
| Jul 21, 2026 | [12 Osceola St](https://nearbypermits.com/boston/address/12-osceola-st/) | 0.22 mi E | Electrical | Main panel replacement | $2,500 | [E1872330](https://nearbypermits.com/boston/permit/E1872330/) |
| Jul 17, 2026 | [67 Oakcrest Rd](https://nearbypermits.com/boston/address/67-oakcrest-rd/) | 0.24 mi NE | 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 13, 2026 | [251-253 Wood Av](https://nearbypermits.com/boston/address/251--253-wood-av/) | 0.21 mi NW | Electrical | Wire two family house and common areas, install new 200AMP overhead service | $25,000 | [E1871670](https://nearbypermits.com/boston/permit/E1871670/) |
| Jun 26, 2026 | [22 Joyce Rd](https://nearbypermits.com/boston/address/22-joyce-rd/) | 0.20 mi NW | 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/) | 0.20 mi NW | 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 25, 2026 | [19-21 Osceola St](https://nearbypermits.com/boston/address/19--21-osceola-st/) | 0.21 mi E | 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/) | 0.21 mi E | Plumbing | replace heating boiler | $5,000 | [G1863341](https://nearbypermits.com/boston/permit/G1863341/) |
| Jun 24, 2026 | [720 River St](https://nearbypermits.com/boston/address/720-river-st/) | 0.25 mi E | 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 8, 2026 | [12 Osceola St](https://nearbypermits.com/boston/address/12-osceola-st/) | 0.22 mi E | 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/) | 0.22 mi E | 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 26, 2026 | [45 Frazer St](https://nearbypermits.com/boston/address/45-frazer-st/) | 0.21 mi W | Solar | Installation of roof mounted photovoltaic solar systems, 7.38 kw 18 panels NO BATTERY STORAGE | $30,900 | [E1853281](https://nearbypermits.com/boston/permit/E1853281/) |
| May 26, 2026 | [45 Frazer St](https://nearbypermits.com/boston/address/45-frazer-st/) | 0.21 mi W | Electrical | Service conductor refeed 100A | $1,800 | [E1852087](https://nearbypermits.com/boston/permit/E1852087/) |
| May 22, 2026 | [251-253 Wood Av](https://nearbypermits.com/boston/address/251--253-wood-av/) | 0.21 mi NW | 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/) | 0.21 mi NW | Plumbing | replace all the gas pipe | $10,000 | [G1852878](https://nearbypermits.com/boston/permit/G1852878/) |
| May 22, 2026 | [96a-96 Radcliffe Rd](https://nearbypermits.com/boston/address/96a--96-radcliffe-rd/) | 0.19 mi 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/) |
| May 20, 2026 | [84 Ayles Rd](https://nearbypermits.com/boston/address/84-ayles-rd/) | 0.23 mi W | Alteration or repair | Adding proper framing to existing front entry way, install 2 diamond pier footing to properly support structure. Re-install siding, repair asphalt shingles. Insulate, board and plaster, Install New entry door, Trim, paint, and tile floor. | $19,000 | [SF1848356](https://nearbypermits.com/boston/permit/SF1848356/) |
| May 1, 2026 | [45 Frazer St](https://nearbypermits.com/boston/address/45-frazer-st/) | 0.21 mi W | Roofing | Existing solar panels will be removed by solar company and re applied after work has been completed. | $6,500 | [SF1842858](https://nearbypermits.com/boston/permit/SF1842858/) |

## 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 |  | 5 Linden Av | 350 ft NE | 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 |  | 5 Mercer St | 800 ft NE | 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 |  | 816 to 818 River St | 150 ft SE | 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 | 150 ft SE | 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 River St with permits, nearest house number first:

- [819 River St](https://nearbypermits.com/boston/address/819-river-st/): newest permit May 23, 2025
- [812 River St](https://nearbypermits.com/boston/address/812-river-st/): newest permit Nov 1, 2024
- [800 River St](https://nearbypermits.com/boston/address/800-river-st/): newest permit Aug 10, 2026
- [797-801 River St](https://nearbypermits.com/boston/address/797--801-river-st/): newest permit Dec 5, 2025
- [850 River St](https://nearbypermits.com/boston/address/850-river-st/): newest permit Oct 14, 2025
- [885 River St](https://nearbypermits.com/boston/address/885-river-st/): newest permit Jun 27, 2025
- [750 River St](https://nearbypermits.com/boston/address/750-river-st/): newest permit Jan 30, 2025
- [892 River St](https://nearbypermits.com/boston/address/892-river-st/): newest permit Sep 9, 2025
- [911-913 River St](https://nearbypermits.com/boston/address/911--913-river-st/): newest permit Dec 4, 2025
- [919-921 River St](https://nearbypermits.com/boston/address/919--921-river-st/): newest permit Nov 4, 2024

---
Source: Boston Inspectional Services Department permit data (https://data.boston.gov/dataset/approved-building-permits). Checked 2026-10-09 10:08 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 6 permits at this address and 64 nearby: https://nearbypermits.com/boston/address/821-river-st/