# Building permits at 20 Charles St, Boston, MA

Seven permits on record here. The newest, Feb 11: Confirming occupancy of single family home in existence for many years. Within a quarter mile, the city has issued 48 more permits (44 projects) since May 1.

## At this address

| Date | Type | Work | Cost | Permit |
|---|---|---|---|---|
| Feb 11, 2026 | Alteration or repair | Confirming occupancy of single family home in existence for many years | Not listed | [ALT1805019](https://nearbypermits.com/boston/permit/ALT1805019/) |
| Jan 12, 2026 | Roofing | strip and re-roof home new plywood decking, take down un used chimney, replace missing aluminum | $10,000 | [SF1804603](https://nearbypermits.com/boston/permit/SF1804603/) |
| Jan 6, 2026 | Solar | Installation of roof mounted photovoltaic solar systems, 11.07 kw 27 panels with installation of 1 Franklin battery installed on exterior of home | $71,595 | [SF1803021](https://nearbypermits.com/boston/permit/SF1803021/) |
| Dec 9, 2025 | Solar | Installation of roof mounted photovoltaic solar systems, 11.07 kw 27 panels with installation of 1 Franklin battery installed on exterior of home | $71,595 | [E1803026](https://nearbypermits.com/boston/permit/E1803026/) |
| Nov 13, 2025 | Solar | Installation of roof mounted photovoltaic solar systems, 7.695 kw 19 panels with installation of 1 Franklin battery installed on exterior of home | $71,595 | [E1797394](https://nearbypermits.com/boston/permit/E1797394/) |
| Nov 13, 2025 | Electrical | New SPAN panel to be installed at site - Service Conductor Refeed needed due to rusted meter - Replace with new Meter/Main Combo | $8,000 | [E1797300](https://nearbypermits.com/boston/permit/E1797300/) |
| Jan 6, 2012 | Alteration or repair | remodel bathroom - unit #804; (Please note: Rear Entrance at 15 River Street) | $5,000 | [SF113171](https://nearbypermits.com/boston/permit/SF113171/) |

## Within ¼ mi since May 1, 2026

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

### This block (250 to 1,000 ft), 41 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Oct 7, 2026 | [71 Hillis Rd](https://nearbypermits.com/boston/address/71-hillis-rd/) | 800 ft SW | Plumbing | Relocate washing machine from basement to 1st floor. | $3,500 | [PL1904084](https://nearbypermits.com/boston/permit/PL1904084/) |
| Oct 7, 2026 | [71 Hillis Rd](https://nearbypermits.com/boston/address/71-hillis-rd/) | 800 ft SW | Plumbing | Run gas piping for relocated dryer from basement to 1st floor. 10410635 jd | $1,000 | [G1904089](https://nearbypermits.com/boston/permit/G1904089/) |
| Oct 6, 2026 | [12 Cottage Pl](https://nearbypermits.com/boston/address/12-cottage-pl/) | 820 ft NE | Electrical | Low voltage alarm install | $1,200 | [ELV1906016](https://nearbypermits.com/boston/permit/ELV1906016/) |
| Sep 24, 2026 | [41 Hillis Rd](https://nearbypermits.com/boston/address/41-hillis-rd/) | 420 ft S | Plumbing | Basement Bathroom - Replace shower stall, no structural change. (Other is a valve) | $1,500 | [PL1903236](https://nearbypermits.com/boston/permit/PL1903236/) |
| Sep 24, 2026 | [71 Hillis Rd](https://nearbypermits.com/boston/address/71-hillis-rd/) | 800 ft SW | Electrical | Wire tv outlet, gas dryer and washer relocation and add lights to new laundry room | $2,000 | [E1903774](https://nearbypermits.com/boston/permit/E1903774/) |
| Sep 23, 2026 | [202 Reservation Rd](https://nearbypermits.com/boston/address/202-reservation-rd/) | 670 ft N | Electrical | 100 to 200 Amp Service Upgrade | $6,800 | [E1902225](https://nearbypermits.com/boston/permit/E1902225/) |
| Sep 22, 2026 | [1501 River St](https://nearbypermits.com/boston/address/1501-river-st/) | 250 ft E | Roofing | 14sq. strip & re-roof; IKO Dynasty - Frostone Grey | $22,000 | [SF1869800](https://nearbypermits.com/boston/permit/SF1869800/) |
| Aug 25, 2026 | [1501 River St](https://nearbypermits.com/boston/address/1501-river-st/) | 250 ft E | Alteration or repair | Confirm occupancy of existing single-family dwelling.; | Not listed | [ALT1872457](https://nearbypermits.com/boston/permit/ALT1872457/) |
| Aug 21, 2026 | [1450 River St](https://nearbypermits.com/boston/address/1450-river-st/) | 660 ft NE | Alteration or repair | Air sealing insulation in attic space | $7,203 | [SF1867546](https://nearbypermits.com/boston/permit/SF1867546/) |
| Aug 12, 2026 | [37 Hillis Rd](https://nearbypermits.com/boston/address/37-hillis-rd/) | 370 ft S | Plumbing | bathroom/kitchen remodel | $10,000 | [PL1880105](https://nearbypermits.com/boston/permit/PL1880105/) |
| Aug 12, 2026 | [37 Hillis Rd](https://nearbypermits.com/boston/address/37-hillis-rd/) | 370 ft S | Electrical | Replace wiring, devices, lighting, and breakers for kitchen area that came into contact with deteriorating agents. | $8,000 | [E1880517](https://nearbypermits.com/boston/permit/E1880517/) |
| Aug 5, 2026 | [7-9 Roxana St](https://nearbypermits.com/boston/address/7--9-roxana-st/) | 400 ft NE | Plumbing | 2nd Floor renovation of Unit 4 | $6,000 | [PL1881837](https://nearbypermits.com/boston/permit/PL1881837/) |
| Aug 3, 2026 | [76-78 Sunnyside St](https://nearbypermits.com/boston/address/76--78-sunnyside-st/) | 750 ft SW | Solar | Installation of roof mounted photovoltaic solar systems, 11.48 KW 28 panels NO BATTERY STORAGE | $72,900 | [E1880713](https://nearbypermits.com/boston/permit/E1880713/) |
| Jul 31, 2026 | [76-78 Sunnyside St](https://nearbypermits.com/boston/address/76--78-sunnyside-st/) | 750 ft SW | Solar | Installation of roof mounted photovoltaic solar systems, 11.48 kw 28 panels NO BATTERY STORAGE | $72,900 | [SF1870045](https://nearbypermits.com/boston/permit/SF1870045/) |
| Jul 30, 2026 | [7-9 Roxana St](https://nearbypermits.com/boston/address/7--9-roxana-st/) | 400 ft NE | Electrical | Rewire the 2 floor units full rewire updated, doing smokes and lights on the back stairs and front | $20,000 | [E1880483](https://nearbypermits.com/boston/permit/E1880483/) |
| Jul 25, 2026 | [15-17 Roxana St](https://nearbypermits.com/boston/address/15--17-roxana-st/) | 370 ft N | Roofing | strip and re roof 25 square of asphalt shingles | $10,000 | [SF1830330](https://nearbypermits.com/boston/permit/SF1830330/) |
| Jul 21, 2026 | [10 Franklin St](https://nearbypermits.com/boston/address/10-franklin-st/) | 540 ft NW | Alteration or repair | Shower to shower remodel with an acrylic replacement unit and prefabricated base. Replace fixture and valve. No structural work and remove and replace (1) toilet, like for like. | $23,000 | [SF1873460](https://nearbypermits.com/boston/permit/SF1873460/) |
| Jul 20, 2026 | [76-78 Sunnyside St](https://nearbypermits.com/boston/address/76--78-sunnyside-st/) | 750 ft SW | Electrical | Low voltage alarm install | $1,200 | [ELV1873128](https://nearbypermits.com/boston/permit/ELV1873128/) |
| Jul 17, 2026 | [10 Franklin St](https://nearbypermits.com/boston/address/10-franklin-st/) | 540 ft NW | Plumbing | Shower to shower remodel with an acrylic replacement unit and prefabricated base. Replace fixture and valve. No structural work and remove and replace (1) toilet, like for like. | $23,000 | [PL1873466](https://nearbypermits.com/boston/permit/PL1873466/) |
| Jul 10, 2026 | [79-81 Sunnyside St](https://nearbypermits.com/boston/address/79--81-sunnyside-st/) | 840 ft SW | Solar | Installation of roof mounted photovoltaic solar systems, 10.25 KW 25 panels with installation of 1 franklin battery installed on exterior of home | $30,928 | [SF1861656](https://nearbypermits.com/boston/permit/SF1861656/) |
| Jun 23, 2026 | [79-81 Sunnyside St](https://nearbypermits.com/boston/address/79--81-sunnyside-st/) | 840 ft SW | Solar | Installation of roof mounted photovoltaic solar systems, 10.25 KW 25 panels with installation of 1 franklin battery installed on exterior of home | $30,928 | [E1861658](https://nearbypermits.com/boston/permit/E1861658/) |
| Jul 9, 2026 | [9 Thompson St](https://nearbypermits.com/boston/address/9-thompson-st/) | 990 ft N | Electrical | Installation of 1 Tesla powerwall3 battery installed on exterior of home | $10,000 | [SF1867897](https://nearbypermits.com/boston/permit/SF1867897/) |
| Jul 8, 2026 | [9 Thompson St](https://nearbypermits.com/boston/address/9-thompson-st/) | 990 ft N | Electrical | Installation of 1 Tesla powerwall3 battery installed on exterior of home | $10,000 | [E1867901](https://nearbypermits.com/boston/permit/E1867901/) |
| Jul 9, 2026 | [11 Ellis St](https://nearbypermits.com/boston/address/11-ellis-st/) | 480 ft S | Roofing | replace roof due to fire | $3,000 | [SF1817640](https://nearbypermits.com/boston/permit/SF1817640/) |
| Jul 8, 2026 | [43 Thompson St](https://nearbypermits.com/boston/address/43-thompson-st/) | 730 ft NW | Alteration or repair | Mass Save Insulation and Air Sealing | $2,577 | [SF1858470](https://nearbypermits.com/boston/permit/SF1858470/) |
| Jul 2, 2026 | [79-81 Sunnyside St](https://nearbypermits.com/boston/address/79--81-sunnyside-st/) | 840 ft SW | Alteration or repair | replacing the front stairs | $4,000 | [SF1868454](https://nearbypermits.com/boston/permit/SF1868454/) |
| Jun 29, 2026 | [32 Hillis Rd](https://nearbypermits.com/boston/address/32-hillis-rd/) | 490 ft S | Roofing | Reroof | $10,000 | [SF1777235](https://nearbypermits.com/boston/permit/SF1777235/) |
| Jun 29, 2026 | [84-86 Sunnyside St](https://nearbypermits.com/boston/address/84--86-sunnyside-st/) | 830 ft SW | Plumbing | replacement of a range | $200 | [G1865145](https://nearbypermits.com/boston/permit/G1865145/) |
| Jun 26, 2026 | [37 Hillis Rd](https://nearbypermits.com/boston/address/37-hillis-rd/) | 370 ft S | Alteration or repair | Interior repairs due to water damage.2nd floor bath remodel. Replace insulation & wallboard in 2nd floor bedroom & 1st floor kitchen & Hall. Replace finish flooring, trim and paint. | $54,549 | [SF1859820](https://nearbypermits.com/boston/permit/SF1859820/) |
| Jun 16, 2026 | [1455 River St](https://nearbypermits.com/boston/address/1455-river-st/) | 480 ft NE | Roofing | Remove and replace rubber roof system. | $20,000 | [SF1857914](https://nearbypermits.com/boston/permit/SF1857914/) |
| Jun 9, 2026 | [211-213 Reservation Rd](https://nearbypermits.com/boston/address/211--213-reservation-rd/) | 870 ft N | Alteration or repair | Residential weatherization/air sealing. No structural changes. (Site ID-853176) (Unit 211) | $3,000 | [SF1852487](https://nearbypermits.com/boston/permit/SF1852487/) |
| Jun 8, 2026 | [7-9 Roxana St](https://nearbypermits.com/boston/address/7--9-roxana-st/) | 400 ft NE | Alteration or repair | Confirm occupancy of existing 6 Residential Units; | Not listed | [ALT1853403](https://nearbypermits.com/boston/permit/ALT1853403/) |
| Jun 4, 2026 | [55 Charles St](https://nearbypermits.com/boston/address/55-charles-st/) | 670 ft SW | Roofing | strip roof to sheathing. install new GAF weather Stopper Roof System | $14,765 | [SF1857276](https://nearbypermits.com/boston/permit/SF1857276/) |
| May 28, 2026 | [22-24 Hillis Rd](https://nearbypermits.com/boston/address/22--24-hillis-rd/) | 350 ft S | Electrical | 125/100A Main panel upgrade | $2,200 | [E1855365](https://nearbypermits.com/boston/permit/E1855365/) |
| May 26, 2026 | [7-9 Roxana St](https://nearbypermits.com/boston/address/7--9-roxana-st/) | 400 ft NE | Alteration or repair | Repair fire damaged siding and 2nd floor deck on front of the building. Replace 12 windows in front and 8 on side Fully renovate unit 4 including new kitchen and bathroom. Light touch up renovations in other units including refinishing hardwood floors, paint, replacing tile and new kitchen cabinets. | $175,000 | [SF1853165](https://nearbypermits.com/boston/permit/SF1853165/) |
| May 26, 2026 | [22-24 Hillis Rd](https://nearbypermits.com/boston/address/22--24-hillis-rd/) | 350 ft S | Solar | Installation of roof mounted photovoltaic solar systems, 3.28 kw 8 panels NO BATTERY STORAGE | $29,400 | [E1853316](https://nearbypermits.com/boston/permit/E1853316/) |
| May 21, 2026 | [40 Charles St](https://nearbypermits.com/boston/address/40-charles-st/) | 420 ft SW | Electrical | Install 8 4 cable & 4 telephone lines | $1,200 | [ELV1852158](https://nearbypermits.com/boston/permit/ELV1852158/) |
| May 21, 2026 | [40 Charles St](https://nearbypermits.com/boston/address/40-charles-st/) | 420 ft SW | Fire systems | Install smoke & carbon on 2 floors basement | $1,500 | [EFA1852154](https://nearbypermits.com/boston/permit/EFA1852154/) |
| May 21, 2026 | [40 Charles St](https://nearbypermits.com/boston/address/40-charles-st/) | 420 ft SW | Electrical | Complete wiring of 1 family due to fire &; reconnect existing service | $27,000 | [E1852149](https://nearbypermits.com/boston/permit/E1852149/) |
| May 8, 2026 | [1535 River St](https://nearbypermits.com/boston/address/1535-river-st/) | 540 ft SE | Alteration or repair | Insulation work as part of the MASS Save program. | $12,000 | [SF1844164](https://nearbypermits.com/boston/permit/SF1844164/) |
| May 5, 2026 | [14 Ellis St](https://nearbypermits.com/boston/address/14-ellis-st/) | 500 ft S | Solar | Installation of roof mounted photovoltaic solar systems, 7.79 KW 19 panels with installation of 1 franklin battery installed on exterior of home | $97,500 | [SF1842969](https://nearbypermits.com/boston/permit/SF1842969/) |

### Farther (1,000 ft to ¼ mi), 7 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Aug 20, 2026 | [1420 River St](https://nearbypermits.com/boston/address/1420-river-st/) | 0.21 mi NE | Electrical | upgrade electrical service from 100 amp to 200amp and add common meter | $3,500 | [E1890209](https://nearbypermits.com/boston/permit/E1890209/) |
| Aug 12, 2026 | [19 Donna Te](https://nearbypermits.com/boston/address/19-donna-te/) | 0.23 mi NE | Roofing | Remove existing shingle roof on the entire house, Install an 8" drip edge on all leading edges, Install 6' of ice and water shield on front leading edges and valleys, Install new ridge vent, Install new vent pipe flanges, Install new GAF Timberline High Definition Architectural shingles | $6,500 | [SF1870185](https://nearbypermits.com/boston/permit/SF1870185/) |
| Aug 11, 2026 | [19 Donna Te](https://nearbypermits.com/boston/address/19-donna-te/) | 0.23 mi NE | Roofing | 14 roof squares strip and re-roof, IKO Dynasty - Summit Grey | $12,000 | [SF1879749](https://nearbypermits.com/boston/permit/SF1879749/) |
| Aug 3, 2026 | [250 Reservation Rd](https://nearbypermits.com/boston/address/250-reservation-rd/) | 0.21 mi N | Alteration or repair | Remove existing stair bricks, install new ones. Paint rail. Install pavers on walkway; OPEN VIOLATION AT THIS PROPERTY;V888613 | $11,000 | [SF1869568](https://nearbypermits.com/boston/permit/SF1869568/) |
| Jul 30, 2026 | [19 Donna Te](https://nearbypermits.com/boston/address/19-donna-te/) | 0.23 mi NE | Solar | Remove pre-existent solar array for roof replacement. 19 panels total. Reinstall solar on roof. | $16,000 | [SF1879123](https://nearbypermits.com/boston/permit/SF1879123/) |
| Jul 30, 2026 | [19 Donna Te](https://nearbypermits.com/boston/address/19-donna-te/) | 0.23 mi NE | Solar | Remove pre-existent solar array for roof replacement. 19 panels total. Reinstall solar on roof. | $16,000 | [E1879136](https://nearbypermits.com/boston/permit/E1879136/) |
| May 15, 2026 | [1409 River St](https://nearbypermits.com/boston/address/1409-river-st/) | 0.23 mi NE | Plumbing | replace toilet, sink, and tub | $1,200 | [PL1849297](https://nearbypermits.com/boston/permit/PL1849297/) |

## 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 |
|---|---|---|---|---|---|---|---|
| Approved | May 5, 2026 | 4 Adams St | 0.19 mi NE | Zoning appeal; the description is on the city's appeal tracker. | [BOA1800604](https://www.boston.gov/appeal-tracker) | "Appeal Closed", decision "AppProv" | 2025-11-24 |

Boston's decision codes, from its data dictionary (https://data.boston.gov/dataset/37d2e087-ce02-4090-bfdf-22de1ada3b23/resource/e11dcfa5-6f6f-4999-abc3-741f53c6731f/download/zba-data-dictionary.pdf): AppProv, "approved with conditions".

## More on this street

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

- [20-26 Charles St](https://nearbypermits.com/boston/address/20--26-charles-st/): newest permit Aug 27, 2026
- [17 Charles St](https://nearbypermits.com/boston/address/17-charles-st/): newest permit Jun 18, 2025
- [16 Charles St](https://nearbypermits.com/boston/address/16-charles-st/): newest permit Jul 21, 2025
- [15 Charles St](https://nearbypermits.com/boston/address/15-charles-st/): newest permit Jan 13, 2025
- [27 Charles St](https://nearbypermits.com/boston/address/27-charles-st/): newest permit Jul 16, 2026
- [13-15 Charles St](https://nearbypermits.com/boston/address/13--15-charles-st/): newest permit Oct 22, 2024
- [12 Charles St](https://nearbypermits.com/boston/address/12-charles-st/): newest permit Oct 30, 2025
- [30 Charles St](https://nearbypermits.com/boston/address/30-charles-st/): newest permit Sep 10, 2025
- [9 Charles St](https://nearbypermits.com/boston/address/9-charles-st/): newest permit Apr 25, 2025
- [31-35 Charles St](https://nearbypermits.com/boston/address/31--35-charles-st/): newest permit Aug 7, 2026

---
Source: Boston Inspectional Services Department permit data (https://data.boston.gov/dataset/approved-building-permits). Checked 2026-10-10 12:32 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 10, 08:47 UTC.

Map, all 7 permits at this address and 48 nearby: https://nearbypermits.com/boston/address/20-charles-st/