# Building permits at 121 River St, Boston, MA

Six permits on record here. The newest, May 18: Proposed installation of a 6 feet vinyl privacy residential fence along the side property line facing Idaho. Within a quarter mile, the city has issued 44 more permits (40 projects) since May 1.

## At this address

| Date | Type | Work | Cost | Permit |
|---|---|---|---|---|
| May 18, 2026 | Fence, wall or deck | Proposed installation of a 6 feet vinyl privacy residential fence along the side property line facing Idaho Street, as shown on the submitted plot plan. The installation will not interfere with visibility at the intersection and will have a 10ft setback from the curb. | $4,800 | [ALT1835407](https://nearbypermits.com/boston/permit/ALT1835407/) |
| May 15, 2026 | Roofing | rip and replacee roof with shingles asphalt | $7,000 | [SF1843538](https://nearbypermits.com/boston/permit/SF1843538/) |
| May 10, 2023 | Fire systems | Install in unit #2 smoke system | $1,000 | [EFA1472900](https://nearbypermits.com/boston/permit/EFA1472900/) |
| May 10, 2023 | Electrical | Unit #2 Rewired entire apartment. | $10,000 | [E1472894](https://nearbypermits.com/boston/permit/E1472894/) |
| May 8, 2014 | Plumbing | Replacing a faucet and shower trim. | Not listed | [PL360579](https://nearbypermits.com/boston/permit/PL360579/) |
| Apr 7, 2014 | Alteration or repair | remodel bathroom, replace two kitchen windows. | $15,000 | [SF350446](https://nearbypermits.com/boston/permit/SF350446/) |

## Within ¼ mi since May 1, 2026

44 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 |
|---|---|---|---|---|---|---|
| Jun 10, 2026 | [7 Groveland St](https://nearbypermits.com/boston/address/7-groveland-st/) | 240 ft W | Roofing | Remove existing asphalt shingles and dispose of debris. Install 6 feet ice and water shield, synthetic underlayment, drip edge, pipe flashings, chimney reflashing, ridge vent and new GAF Timberline HDZ asphalt shingles. | $10,000 | [SF1856142](https://nearbypermits.com/boston/permit/SF1856142/) |

### This block (250 to 1,000 ft), 26 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Oct 2, 2026 | [15 Dr. Mary Moore Beatty Ci](https://nearbypermits.com/boston/address/15-dr.-mary-moore-beatty-ci/) | 980 ft W | Alteration or repair | Retrofit insulation with closed cell polyurethane pour foam | $175,000 | [SF1906107](https://nearbypermits.com/boston/permit/SF1906107/) |
| Oct 1, 2026 | [63 Idaho St](https://nearbypermits.com/boston/address/63-idaho-st/) | 680 ft N | Plumbing | Convert bathtub to shower in second floor bathroom. Replace valve. | $4,000 | [PL1904982](https://nearbypermits.com/boston/permit/PL1904982/) |
| Sep 25, 2026 | [7-11 Glenmore St](https://nearbypermits.com/boston/address/7--11-glenmore-st/) | 560 ft NW | Plumbing | New baths New kitchens New laundry's Electric water heaters | $18,900 | [PL1904537](https://nearbypermits.com/boston/permit/PL1904537/) |
| Sep 14, 2026 | [18-20 Monson St](https://nearbypermits.com/boston/address/18--20-monson-st/) | 670 ft E | Electrical | Replacing two exhaust fans in the bathrooms | $1,200 | [E1900820](https://nearbypermits.com/boston/permit/E1900820/) |
| Aug 19, 2026 | [201 Manchester St](https://nearbypermits.com/boston/address/201-manchester-st/) | 900 ft N | Solar | Replace defective solar modules | $499 | [E1890040](https://nearbypermits.com/boston/permit/E1890040/) |
| Aug 18, 2026 | [14 Groveland St](https://nearbypermits.com/boston/address/14-groveland-st/) | 380 ft W | Solar | Installing rooftop railed solar PV of 10.25 KW and 25 modules. No ESS installation. | $14,286 | [ALT1866998](https://nearbypermits.com/boston/permit/ALT1866998/) |
| Jul 27, 2026 | [14 Groveland St](https://nearbypermits.com/boston/address/14-groveland-st/) | 380 ft W | Solar | Installing rooftop railed solar PV of 10.25 KW and 25 modules. No ESS installation. | $33,335 | [E1867001](https://nearbypermits.com/boston/permit/E1867001/) |
| Aug 14, 2026 | [25 Groveland St](https://nearbypermits.com/boston/address/25-groveland-st/) | 340 ft NW | Plumbing | Install: bar sink, tub, shower, kitchen sink lavs. | $20,000 | [PL1887898](https://nearbypermits.com/boston/permit/PL1887898/) |
| Aug 14, 2026 | [25 Groveland St](https://nearbypermits.com/boston/address/25-groveland-st/) | 340 ft NW | Plumbing | install: stove and boiler | $5,000 | [G1887901](https://nearbypermits.com/boston/permit/G1887901/) |
| Aug 12, 2026 | [36 Groveland St](https://nearbypermits.com/boston/address/36-groveland-st/) | 500 ft NW | Electrical | Replace bathroom fan with panasonic bath fan and air cycler smart switch for weatherization work. | $1,200 | [E1885829](https://nearbypermits.com/boston/permit/E1885829/) |
| Aug 6, 2026 | [186 Manchester St](https://nearbypermits.com/boston/address/186-manchester-st/) | 950 ft N | Plumbing | replace heating boiler | $5,000 | [PL1882196](https://nearbypermits.com/boston/permit/PL1882196/) |
| Aug 6, 2026 | [186 Manchester St](https://nearbypermits.com/boston/address/186-manchester-st/) | 950 ft N | Plumbing | Replace heating boiler | $5,000 | [G1882192](https://nearbypermits.com/boston/permit/G1882192/) |
| Aug 5, 2026 | [54-56 Cedar St](https://nearbypermits.com/boston/address/54--56-cedar-st/) | 680 ft N | Alteration or repair | Kitchen and Bath renovations | $27,000 | [SF1879764](https://nearbypermits.com/boston/permit/SF1879764/) |
| Jul 31, 2026 | [54-56 Cedar St](https://nearbypermits.com/boston/address/54--56-cedar-st/) | 680 ft N | Alteration or repair | unit 2, add bath room GFCI circuit, add 2 GFCI kitchen circuit, 1 refrigerator circuit. upgrade 12 circuit panel to 24. | $1,000 | [E1878939](https://nearbypermits.com/boston/permit/E1878939/) |
| Jul 23, 2026 | [54-56 Cedar St](https://nearbypermits.com/boston/address/54--56-cedar-st/) | 680 ft N | Plumbing | Disconnect and reconnect all plumbing fixtures in the kitchen as well as the bathroom in unit #2 on the second floor. | $5,000 | [PL1871674](https://nearbypermits.com/boston/permit/PL1871674/) |
| Jul 14, 2026 | [130 River St](https://nearbypermits.com/boston/address/130-river-st/) | 300 ft SW | Roofing | Remove old 30 SQ roof and install new | $20,000 | [SF1872154](https://nearbypermits.com/boston/permit/SF1872154/) |
| Jul 7, 2026 | [25 Groveland St](https://nearbypermits.com/boston/address/25-groveland-st/) | 340 ft NW | Addition | To build addition to existing single family as per attached plans. | $248,620 | [ALT1867351](https://nearbypermits.com/boston/permit/ALT1867351/) |
| Jun 5, 2026 | [32-34 Sturbridge St](https://nearbypermits.com/boston/address/32--34-sturbridge-st/) | 490 ft NE | Electrical | Bathroom fan upgrade | $850 | [E1857929](https://nearbypermits.com/boston/permit/E1857929/) |
| May 18, 2026 | [36 Groveland St](https://nearbypermits.com/boston/address/36-groveland-st/) | 500 ft NW | Alteration or repair | Blown cellulose in attics and walls. Additional weatherization including air sealing, sill insulation, and door weather strips. | $14,850 | [SF1844850](https://nearbypermits.com/boston/permit/SF1844850/) |
| May 12, 2026 | [252 Manchester St](https://nearbypermits.com/boston/address/252-manchester-st/) | 900 ft NW | Solar | Installation of roof mounted photovoltaic solar systems, 8.2 kw 20 panels with installation of 1 franklin battery installed on exterior of home | $80,700 | [SF1847815](https://nearbypermits.com/boston/permit/SF1847815/) |
| May 12, 2026 | [252 Manchester St](https://nearbypermits.com/boston/address/252-manchester-st/) | 900 ft NW | Solar | Installation of roof mounted photovoltaic solar systems, 8.2 kw 20 panels with installation of 1 franklin battery installed on exterior of home | $80,700 | [E1847816](https://nearbypermits.com/boston/permit/E1847816/) |
| May 11, 2026 | [25 Standard St](https://nearbypermits.com/boston/address/25-standard-st/) | 710 ft NW | Roofing | Strip and install a new roof with CertainTeed shingles. | $19,665 | [SF1846109](https://nearbypermits.com/boston/permit/SF1846109/) |
| May 6, 2026 | [8 Menton St](https://nearbypermits.com/boston/address/8-menton-st/) | 690 ft NW | Plumbing | Install and connect Weil-McLain GV90+3 Boiler with Heat-Flo 40 Gallon Water Heater, including all gas, water, venting, and heating connections, followed by startup and testing to ensure proper operation. | $2,100 | [PL1845762](https://nearbypermits.com/boston/permit/PL1845762/) |
| May 6, 2026 | [8 Menton St](https://nearbypermits.com/boston/address/8-menton-st/) | 690 ft NW | Plumbing | install and connect Weil-McLain GV90+3 Boiler with Heat-Flo 40 Gallon Water Heater, including all gas, water, venting, and heating connections, followed by startup and testing to ensure pr | $2,100 | [G1845760](https://nearbypermits.com/boston/permit/G1845760/) |
| May 6, 2026 | [5-7 Caddy Rd](https://nearbypermits.com/boston/address/5--7-caddy-rd/) | 780 ft NE | Plumbing | install and connect Oxbox J801V060AM3SEA Furnace, including gas, venting, ductwork, and electrical, followed by startup and testing to ensure proper operation. | $1,900 | [G1845770](https://nearbypermits.com/boston/permit/G1845770/) |
| May 4, 2026 | [7 Monson St](https://nearbypermits.com/boston/address/7-monson-st/) | 940 ft NE | Electrical | Low voltage alarm install | $1,200 | [ELV1844681](https://nearbypermits.com/boston/permit/ELV1844681/) |

### Farther (1,000 ft to ¼ mi), 17 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Oct 5, 2026 | [68 Clearwater Dr](https://nearbypermits.com/boston/address/68-clearwater-dr/) | 0.19 mi N | Alteration or repair | Demo drywall in second floor bathtub and replace with a new shower. Inspection for fire stopping and/or insulation. | $15,419 | [SF1900920](https://nearbypermits.com/boston/permit/SF1900920/) |
| Sep 25, 2026 | [30-32 Temple St](https://nearbypermits.com/boston/address/30--32-temple-st/) | 0.20 mi NE | Electrical | Replace 3 jaws in meter at 32 temple st for Eversource AMI project | $2,000 | [E1895119](https://nearbypermits.com/boston/permit/E1895119/) |
| Sep 22, 2026 | [16 Duxbury Rd](https://nearbypermits.com/boston/address/16-duxbury-rd/) | 0.24 mi SW | Plumbing | 1 water heater 2 furnaces and a stove | $5,000 | [G1902959](https://nearbypermits.com/boston/permit/G1902959/) |
| Sep 21, 2026 | [16 Duxbury Rd](https://nearbypermits.com/boston/address/16-duxbury-rd/) | 0.24 mi SW | Plumbing | 2-1/2. Baths kitchen laundry and water heater | $15,000 | [PL1882404](https://nearbypermits.com/boston/permit/PL1882404/) |
| Sep 18, 2026 | [201 River St](https://nearbypermits.com/boston/address/201-river-st/) | 0.20 mi W | Plumbing | Install two (2) gas boilers with 639,000 MBH each for a total of 1,278,000 MHB. | $98,139 | [G1901795](https://nearbypermits.com/boston/permit/G1901795/) |
| Sep 15, 2026 | [68 Clearwater Dr](https://nearbypermits.com/boston/address/68-clearwater-dr/) | 0.19 mi N | Plumbing | Convert bathtub to shower in second floor bathroom. Replace valve. | $4,000 | [PL1900934](https://nearbypermits.com/boston/permit/PL1900934/) |
| Sep 9, 2026 | [174 Manchester St](https://nearbypermits.com/boston/address/174-manchester-st/) | 0.20 mi NE | Roofing | Strip and install a new roof. | $11,850 | [SF1894082](https://nearbypermits.com/boston/permit/SF1894082/) |
| Jul 31, 2026 | [16 Duxbury Rd](https://nearbypermits.com/boston/address/16-duxbury-rd/) | 0.24 mi SW | Electrical | Electrical installations for a single family home. Complete rewire, dedicated circuits for kitchen, gas stove, living room, 3 bedrooms, bathroom, unfinished basement, condenser 30 amps, lights and outlets by code. 200 amp service, overhead single gang meter. | $15,000 | [E1880174](https://nearbypermits.com/boston/permit/E1880174/) |
| Jul 21, 2026 | [40 Clearwater Dr](https://nearbypermits.com/boston/address/40-clearwater-dr/) | 0.20 mi N | Addition | Build addition per plans, including remodeling the existing kitchen and bathroom, and construct a new dormer and bathroom on the second floor of the existing house. | $300,000 | [ALT1853186](https://nearbypermits.com/boston/permit/ALT1853186/) |
| Jul 14, 2026 | [16 Duxbury Rd](https://nearbypermits.com/boston/address/16-duxbury-rd/) | 0.24 mi SW | Alteration or repair | Bring house back to it's original before fire, replace roof, siding, windows, replace all damaged woods, new insulation, rewire the entire house, replace electrical service, new kitchen cabinets, renovate bathrooms, install hardwood floor on the entire house. new hvac system | $220,000 | [SF1872339](https://nearbypermits.com/boston/permit/SF1872339/) |
| Jun 18, 2026 | [30-32 Temple St](https://nearbypermits.com/boston/address/30--32-temple-st/) | 0.20 mi NE | Electrical | To provide temp power for a FIFA watch Party on Temple Street on 6/19/2026. | $3,450 | [ETS1861748](https://nearbypermits.com/boston/permit/ETS1861748/) |
| Jun 17, 2026 | [20 Temple St](https://nearbypermits.com/boston/address/20-temple-st/) | 0.19 mi E | Alteration or repair | Pending Occupancy Committee - ALT1854896.Window Replacement as per request of the customer. We will be replacing 16 windows | $26,000 | [SF1853650](https://nearbypermits.com/boston/permit/SF1853650/) |
| Jun 16, 2026 | [71 Standard St](https://nearbypermits.com/boston/address/71-standard-st/) | 0.25 mi NW | Alteration or repair | Insulating walls with blown in cellulose | $5,285 | [SF1855158](https://nearbypermits.com/boston/permit/SF1855158/) |
| Jun 9, 2026 | [20 Temple St](https://nearbypermits.com/boston/address/20-temple-st/) | 0.19 mi E | Alteration or repair | Need to confirm that this is an existing one family home for our building permit # SF1853650.; | Not listed | [ALT1854896](https://nearbypermits.com/boston/permit/ALT1854896/) |
| May 26, 2026 | [16 Duxbury Rd](https://nearbypermits.com/boston/address/16-duxbury-rd/) | 0.24 mi SW | Alteration or repair | secure property post fire damage, windows and doors | $1,000 | [SF1851747](https://nearbypermits.com/boston/permit/SF1851747/) |
| May 19, 2026 | [61 Old Morton St](https://nearbypermits.com/boston/address/61-old-morton-st/) | 0.24 mi E | Roofing | Strip roof on full house and dispose. Install new roof to full house. Dispose of all debris. | $10,445 | [SF1848633](https://nearbypermits.com/boston/permit/SF1848633/) |
| May 5, 2026 | [57 Old Morton St](https://nearbypermits.com/boston/address/57-old-morton-st/) | 0.23 mi E | Solar | Installation of roof mounted photovoltaic solar systems, 5.74 KW 14 panels with installation of 1 franklin battery installed on exterior of home | $78,000 | [SF1842961](https://nearbypermits.com/boston/permit/SF1842961/) |

## More on this street

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

- [124 River St](https://nearbypermits.com/boston/address/124-river-st/): newest permit Nov 24, 2025
- [127-129 River St](https://nearbypermits.com/boston/address/127--129-river-st/): newest permit Nov 1, 2024
- [128 River St](https://nearbypermits.com/boston/address/128-river-st/): newest permit Jan 15, 2026
- [130 River St](https://nearbypermits.com/boston/address/130-river-st/): newest permit Jul 14, 2026
- [133 River St](https://nearbypermits.com/boston/address/133-river-st/): newest permit Dec 20, 2024
- [139 River St](https://nearbypermits.com/boston/address/139-river-st/): newest permit Mar 16, 2026
- [150 River St](https://nearbypermits.com/boston/address/150-river-st/): newest permit May 8, 2025
- [84 River St](https://nearbypermits.com/boston/address/84-river-st/): newest permit Oct 24, 2024
- [84-100 River St](https://nearbypermits.com/boston/address/84--100-river-st/): newest permit Dec 8, 2025
- [70 River St](https://nearbypermits.com/boston/address/70-river-st/): newest permit Sep 4, 2025

---
Source: Boston Inspectional Services Department permit data (https://data.boston.gov/dataset/approved-building-permits). Checked 2026-10-07 19:32 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Map, all 6 permits at this address and 44 nearby: https://nearbypermits.com/boston/address/121-river-st/