# Building permits at 405 River St, Boston, MA

The biggest project within a quarter mile since May 1: a $261,800 alteration or repair at 1651-1657 Blue Hill Av, permitted May 11.

10 permits on record here. The newest, Jul 17: Demolish existing 16 x 6 and make a new deck 8 x 6 pressure treated wood. Within a quarter mile, the city has issued 36 more permits (34 projects) since May 1.

## At this address

| Date | Type | Work | Cost | Permit |
|---|---|---|---|---|
| Jul 17, 2026 | Alteration or repair | Demolish existing 16 x 6 and make a new deck 8 x 6 pressure treated wood. | $9,550 | [SF1873263](https://nearbypermits.com/boston/permit/SF1873263/) |
| Jun 17, 2026 | Electrical | 400 amp emergency power generator replacement | $74,000 | [E1861902](https://nearbypermits.com/boston/permit/E1861902/) |
| Jun 9, 2026 | Roofing | - Install 50-mil Duro-Last single-ply membrane roofing system which will be mechanically attached according to manufacturer's specifications. | $128,500 | [SF1855698](https://nearbypermits.com/boston/permit/SF1855698/) |
| Apr 20, 2018 | Plumbing | Replace forced hot water heating boiler | $69,000 | [PL821851](https://nearbypermits.com/boston/permit/PL821851/) |
| Apr 20, 2018 | Plumbing | Replace forced hot water heating boiler | $69,000 | [G821852](https://nearbypermits.com/boston/permit/G821852/) |
| Apr 17, 2018 | Plumbing | Replace water heater | $9,500 | [PL820273](https://nearbypermits.com/boston/permit/PL820273/) |
| Apr 17, 2018 | Plumbing | Replaced water heater | $9,500 | [G820274](https://nearbypermits.com/boston/permit/G820274/) |
| Sep 18, 2014 | Grading | Installation of approximately 3 soil borings and 3 temporary groundwater monitoring wells. | $1,637 | [SF408607](https://nearbypermits.com/boston/permit/SF408607/) |
| Jun 16, 2014 | Alteration or repair | repair to fire egress rebolt balconey rails replace floor rest | $2,150 | [SF372043](https://nearbypermits.com/boston/permit/SF372043/) |
| Oct 19, 2011 | Electrical | Replace lighting with energy efficient fixtures. Rosscommon Extended Care | $865 | [E98625](https://nearbypermits.com/boston/permit/E98625/) |

## Within ¼ mi since May 1, 2026

36 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 28, 2026 | [60 Fremont St](https://nearbypermits.com/boston/address/60-fremont-st/) | 190 ft N | Plumbing | Replace electric water heater | $1,500 | [PL1855310](https://nearbypermits.com/boston/permit/PL1855310/) |
| May 28, 2026 | [60 Fremont St](https://nearbypermits.com/boston/address/60-fremont-st/) | 190 ft N | Electrical | Service Upgrade from 100Amps to 200amps, 2 Condenser (Condenser Only), 1 Water heater | $5,000 | [E1825980](https://nearbypermits.com/boston/permit/E1825980/) |

### This block (250 to 1,000 ft), 17 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Sep 30, 2026 | [17 Cookson Te](https://nearbypermits.com/boston/address/17-cookson-te/) | 830 ft N | Plumbing | backflow prev on new boiler | $1,000 | [PL1903254](https://nearbypermits.com/boston/permit/PL1903254/) |
| Sep 30, 2026 | [17 Cookson Te](https://nearbypermits.com/boston/address/17-cookson-te/) | 830 ft N | Plumbing | replace gas boiler | $5,000 | [G1903253](https://nearbypermits.com/boston/permit/G1903253/) |
| Sep 11, 2026 | [1563 Blue Hill Av](https://nearbypermits.com/boston/address/1563-blue-hill-av/) | 960 ft W | Electrical | Mayor's office event requiring a generator | $500 | [ETS1900060](https://nearbypermits.com/boston/permit/ETS1900060/) |
| Sep 8, 2026 | [15 Mamelon Ci](https://nearbypermits.com/boston/address/15-mamelon-ci/) | 560 ft NE | Roofing | Tear off 20sq shingles (1 layer). Install underlay, ice and water shield, drip edge, starter shingles, flashing, ridge vent, ridge caps and 20sq composite shingles | $10,500 | [SF1881551](https://nearbypermits.com/boston/permit/SF1881551/) |
| Jul 29, 2026 | [47 Faunce Rd](https://nearbypermits.com/boston/address/47-faunce-rd/) | 860 ft NE | Electrical | Installation of 01 - TESLA GATEWAY 3 and 01 - TESLA POWERWALL 3 (1707000-XX-Y) [240V] 11.5KW BATTERY on outside of residence. | $11,500 | [E1865516](https://nearbypermits.com/boston/permit/E1865516/) |
| Jul 27, 2026 | [15 Mamelon Ci](https://nearbypermits.com/boston/address/15-mamelon-ci/) | 560 ft NE | Electrical | Low voltage alarm install | $1,200 | [ELV1875243](https://nearbypermits.com/boston/permit/ELV1875243/) |
| Jul 17, 2026 | [120-124 Babson St](https://nearbypermits.com/boston/address/120--124-babson-st/) | 560 ft NW | Alteration or repair | Interior/Exterior removal of finishes to support pending ALT1873615 application | $150,000 | [SF1873788](https://nearbypermits.com/boston/permit/SF1873788/) |
| Jul 15, 2026 | [27 Faunce Rd](https://nearbypermits.com/boston/address/27-faunce-rd/) | 530 ft N | Plumbing | Add; Bathroom Kitchen Laundry | $3,000 | [PL1869774](https://nearbypermits.com/boston/permit/PL1869774/) |
| Jul 7, 2026 | [15 Mamelon Ci](https://nearbypermits.com/boston/address/15-mamelon-ci/) | 560 ft NE | Solar | Installation of roof mounted photovoltaic solar systems, 8.2 KW 20 panels with installation of 1 Franklin battery installed on exterior of home | $100,500 | [SF1867367](https://nearbypermits.com/boston/permit/SF1867367/) |
| Jul 7, 2026 | [15 Mamelon Ci](https://nearbypermits.com/boston/address/15-mamelon-ci/) | 560 ft NE | Solar | Installation of roof mounted photovoltaic solar systems, 8.2 KW 20 panels with installation of 1 Franklin battery installed on exterior of home | $100,500 | [E1867372](https://nearbypermits.com/boston/permit/E1867372/) |
| Jun 25, 2026 | [1556 Blue Hill Av](https://nearbypermits.com/boston/address/1556-blue-hill-av/) | 740 ft W | Plumbing | install a air gap | $100 | [PL1864727](https://nearbypermits.com/boston/permit/PL1864727/) |
| Jun 23, 2026 | [16 Mamelon Ci](https://nearbypermits.com/boston/address/16-mamelon-ci/) | 440 ft NE | Electrical | furnace wiring | $675 | [E1805782](https://nearbypermits.com/boston/permit/E1805782/) |
| Jun 12, 2026 | [379 River St](https://nearbypermits.com/boston/address/379-river-st/) | 540 ft E | Electrical | Bring the meter outside and add the public meter. | $5,500 | [E1859667](https://nearbypermits.com/boston/permit/E1859667/) |
| Jun 8, 2026 | [18 Gladeside Av](https://nearbypermits.com/boston/address/18-gladeside-av/) | 890 ft NE | Alteration or repair | remove existing deck and replace with new new footings 4 ft deep 12 inch diameter 2x10 double rim joists 2x10 ledger with new flsshing fascened to existing house using 5 inch galavinized lag bolts 16 inch on center p.v.c floor decking p.v.c rails to be 3 feet in height new stairs new handrail | $13,400 | [SF1858681](https://nearbypermits.com/boston/permit/SF1858681/) |
| May 14, 2026 | [132 Babson St](https://nearbypermits.com/boston/address/132-babson-st/) | 580 ft W | Plumbing | Replace hand sink and make it have an indirect drain | $2,000 | [PL1824345](https://nearbypermits.com/boston/permit/PL1824345/) |
| May 1, 2026 | [12 Mamelon Ci](https://nearbypermits.com/boston/address/12-mamelon-ci/) | 390 ft NE | Alteration or repair | Replace existing deck in same footprint | $10,000 | [SF1844853](https://nearbypermits.com/boston/permit/SF1844853/) |
| May 1, 2026 | [1590-1594 Blue Hill Av](https://nearbypermits.com/boston/address/1590--1594-blue-hill-av/) | 700 ft W | Grading | Test borings in and around existing building. | $23,600 | [SF1835277](https://nearbypermits.com/boston/permit/SF1835277/) |

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

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Sep 22, 2026 | [48-50 Rexford St](https://nearbypermits.com/boston/address/48--50-rexford-st/) | 0.23 mi W | Plumbing | Gas retest | $750 | [G1902616](https://nearbypermits.com/boston/permit/G1902616/) |
| Sep 14, 2026 | [1651-1657 Blue Hill Av](https://nearbypermits.com/boston/address/1651--1657-blue-hill-av/) | 0.23 mi SW | Alteration or repair | Rewire wire space to accommodate new restaurant | $30,000 | [E1878673](https://nearbypermits.com/boston/permit/E1878673/) |
| Aug 27, 2026 | [5-7 Rockway St](https://nearbypermits.com/boston/address/5--7-rockway-st/) | 0.23 mi W | Roofing | Asphalt shingles replacement on the entire house. | $15,713 | [SF1891348](https://nearbypermits.com/boston/permit/SF1891348/) |
| Jul 30, 2026 | [28 Rexford St](https://nearbypermits.com/boston/address/28-rexford-st/) | 0.20 mi W | Electrical | install 6 recess lights 2 -30 amp dryer outlets 2- 20 amp washer outlets | $400 | [E1880247](https://nearbypermits.com/boston/permit/E1880247/) |
| Jul 27, 2026 | [67 Regis Rd](https://nearbypermits.com/boston/address/67-regis-rd/) | 0.24 mi NW | Solar | Installation of roof mounted photovoltaic solar systems, 9.02 kw 22 panels with installation of 1 franklin battery installed on exterior of home | $53,400 | [SF1877153](https://nearbypermits.com/boston/permit/SF1877153/) |
| Jul 27, 2026 | [67 Regis Rd](https://nearbypermits.com/boston/address/67-regis-rd/) | 0.24 mi NW | Solar | Installation of roof mounted photovoltaic solar systems, 9.02 kw 22 panels with installation of 1 franklin battery installed on exterior of home | $53,400 | [E1877156](https://nearbypermits.com/boston/permit/E1877156/) |
| Jul 27, 2026 | [28 Rexford St](https://nearbypermits.com/boston/address/28-rexford-st/) | 0.20 mi W | Plumbing | Replace laundry - Apartment 1 | $2,500 | [PL1877275](https://nearbypermits.com/boston/permit/PL1877275/) |
| Jul 20, 2026 | [35 Dania St](https://nearbypermits.com/boston/address/35-dania-st/) | 0.23 mi NE | Alteration or repair | Install Intellijack support system to stabilize floor joist or beams as shown w/ Cast in place footings | $10,000 | [ALT1867434](https://nearbypermits.com/boston/permit/ALT1867434/) |
| Jun 29, 2026 | [28 Rexford St](https://nearbypermits.com/boston/address/28-rexford-st/) | 0.20 mi W | Alteration or repair | Enclose a deck, replace all frame due to rotting. Please see attached pictures | $21,000 | [ALT1858999](https://nearbypermits.com/boston/permit/ALT1858999/) |
| Jun 27, 2026 | [1641-1649 Blue Hill Av](https://nearbypermits.com/boston/address/1641--1649-blue-hill-av/) | 0.22 mi SW | Fire systems | installed 6 hardwire 120 volt smoke detectors | $1,200 | [EFA1863766](https://nearbypermits.com/boston/permit/EFA1863766/) |
| Jun 9, 2026 | [40 Gladeside Av](https://nearbypermits.com/boston/address/40-gladeside-av/) | 0.22 mi NE | Roofing | Install 14 sq of roofing material - no structural work | $11,984 | [SF1858261](https://nearbypermits.com/boston/permit/SF1858261/) |
| Jun 9, 2026 | [350 River St](https://nearbypermits.com/boston/address/350-river-st/) | 0.23 mi E | Electrical | Temp power from generator for music / entertainment | $700 | [ETS1859314](https://nearbypermits.com/boston/permit/ETS1859314/) |
| Jun 4, 2026 | [67 Regis Rd](https://nearbypermits.com/boston/address/67-regis-rd/) | 0.24 mi NW | Alteration or repair | Tub to tub remodel with an acrylic replacement unit and prefabricated base. Replace fixture and valve. No structural work. | $10,041 | [SF1853454](https://nearbypermits.com/boston/permit/SF1853454/) |
| May 27, 2026 | [67 Regis Rd](https://nearbypermits.com/boston/address/67-regis-rd/) | 0.24 mi NW | Plumbing | Tub to tub remodel with an acrylic replacement unit and prefabricated base. Replace fixture and valve. No structural work. | $4,959 | [PL1853464](https://nearbypermits.com/boston/permit/PL1853464/) |
| May 26, 2026 | [32 Dania St](https://nearbypermits.com/boston/address/32-dania-st/) | 0.21 mi NE | Roofing | strip and re-roof 11sq | $5,182 | [SF1851860](https://nearbypermits.com/boston/permit/SF1851860/) |
| May 11, 2026 | [1651-1657 Blue Hill Av](https://nearbypermits.com/boston/address/1651--1657-blue-hill-av/) | 0.23 mi SW | Alteration or repair | This is a renovation of a commercial space to restaurant. We will build a commercial kitchen and ADA bathroom. Electrical and plumbing per code and per plan.; | $261,800 | [ALT1813975](https://nearbypermits.com/boston/permit/ALT1813975/) |
| May 7, 2026 | [28 Rexford St](https://nearbypermits.com/boston/address/28-rexford-st/) | 0.20 mi W | Alteration or repair | replace 3 windows and dry wall in a sunroom | $15,000 | [SF1844303](https://nearbypermits.com/boston/permit/SF1844303/) |

## More on this street

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

- [379 River St](https://nearbypermits.com/boston/address/379-river-st/): newest permit Jun 12, 2026
- [371 River St](https://nearbypermits.com/boston/address/371-river-st/): newest permit Nov 26, 2024
- [367 River St](https://nearbypermits.com/boston/address/367-river-st/): newest permit Oct 21, 2024
- [350 River St](https://nearbypermits.com/boston/address/350-river-st/): newest permit Jun 9, 2026
- [466-476 River St](https://nearbypermits.com/boston/address/466--476-river-st/): newest permit Apr 11, 2025
- [343 River St](https://nearbypermits.com/boston/address/343-river-st/): newest permit Mar 7, 2025
- [339 River St](https://nearbypermits.com/boston/address/339-river-st/): newest permit Oct 14, 2025
- [303 River St](https://nearbypermits.com/boston/address/303-river-st/): newest permit Jul 24, 2025
- [284 River St](https://nearbypermits.com/boston/address/284-river-st/): newest permit Sep 16, 2025
- [546-548 River St](https://nearbypermits.com/boston/address/546--548-river-st/): newest permit Nov 25, 2025

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Source: Boston Inspectional Services Department permit data (https://data.boston.gov/dataset/approved-building-permits). Checked 2026-10-06 22:39 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Map, all 10 permits at this address and 36 nearby: https://nearbypermits.com/boston/address/405-river-st/
