# Building permits at 489 Walnut Av, Boston, MA

The biggest project within a quarter mile since May 1: a $102M new building at 450 Walnut Av, permitted Jul 24.

Five permits on record here. The newest, Oct 31, 2025: Residential weatherization/air sealing. Within a quarter mile, the city has issued 46 more permits since May 1. One is for a new building, 520 ft away.

## At this address

| Date | Type | Work | Cost | Permit |
|---|---|---|---|---|
| Oct 31, 2025 | Alteration or repair | Residential weatherization/air sealing. No structural changes. (2101310687). | $1,000 | [SF1788623](https://nearbypermits.com/boston/permit/SF1788623/) |
| Aug 20, 2019 | Other | install 100 amp panel on existing utility pole to feed proposed antenna system on top | $3,500 | [E978848](https://nearbypermits.com/boston/permit/E978848/) |
| Feb 6, 2017 | Electrical | 2 Bathroom renovations | $1,500 | [E679029](https://nearbypermits.com/boston/permit/E679029/) |
| Aug 4, 2016 | Plumbing | plumbing work in kitchen dishw, disp, kit snk | $1,100 | [PL621033](https://nearbypermits.com/boston/permit/PL621033/) |
| Nov 2, 2011 | Electrical | Temp Genny Power for film production Saturday (White Stadium- Franklin Park) | $500 | [ETS103814](https://nearbypermits.com/boston/permit/ETS103814/) |

## Within ¼ mi since May 1, 2026

46 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 |
|---|---|---|---|---|---|---|
| Sep 24, 2026 | [493 Walnut Av](https://nearbypermits.com/boston/address/493-walnut-av/) | 120 ft S | Electrical | remove meter socket and exterior fixtures for siding | $1,000 | [E1902933](https://nearbypermits.com/boston/permit/E1902933/) |
| Aug 24, 2026 | [493 Walnut Av](https://nearbypermits.com/boston/address/493-walnut-av/) | 120 ft S | Alteration or repair | Install New Siding and 3 New Windows (Removal and Disposal of Existing Siding by Others) | $115,000 | [SF1886345](https://nearbypermits.com/boston/permit/SF1886345/) |

### This block (250 to 1,000 ft), 24 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Sep 22, 2026 | [1 Pierpont Rd](https://nearbypermits.com/boston/address/1-pierpont-rd/) | 500 ft E | Electrical | grounding of (1) 25KW generator to power audio gear set up 10/1st - franklin park overlook ruins | $1,000 | [ETS1902784](https://nearbypermits.com/boston/permit/ETS1902784/) |
| Sep 21, 2026 | [24 Granada Pk](https://nearbypermits.com/boston/address/24-granada-pk/) | 690 ft N | Electrical | Replace existing bath fan with new | $1,250 | [ELV1902431](https://nearbypermits.com/boston/permit/ELV1902431/) |
| Sep 15, 2026 | [27 Iffley Rd](https://nearbypermits.com/boston/address/27-iffley-rd/) | 790 ft NW | Electrical | Rewiring of 3 apartment and service upgrade | $40,000 | [E1901203](https://nearbypermits.com/boston/permit/E1901203/) |
| Sep 10, 2026 | [73 Montebello Rd](https://nearbypermits.com/boston/address/73-montebello-rd/) | 630 ft NW | Alteration or repair | Weatherization work through the mass save program. | $6,224 | [SF1900107](https://nearbypermits.com/boston/permit/SF1900107/) |
| Aug 12, 2026 | [69 Robeson St](https://nearbypermits.com/boston/address/69-robeson-st/) | 470 ft SW | Roofing | Remove existing asphalt shingles. Install 6 feet ice and water protection. Cover the remaining roof with underlayment. Install lifetime asphalt shingles to entire roof including drip edge. Dispose of materials waste. | $40,000 | [SF1881995](https://nearbypermits.com/boston/permit/SF1881995/) |
| Aug 12, 2026 | [69 Robeson St](https://nearbypermits.com/boston/address/69-robeson-st/) | 470 ft SW | Alteration or repair | Infill the upper-level floor interior to accomadate room with a bathroom for the office. see estaimte for detai1 Office has been approved by BOA 1/20/1998 no other office has been approved Ward Inspector is to verify in the field | $134,647 | [ALT1813265](https://nearbypermits.com/boston/permit/ALT1813265/) |
| Jul 27, 2026 | [27 Chilcott Pl](https://nearbypermits.com/boston/address/27-chilcott-pl/) | 790 ft N | Alteration or repair | Installation and wiring of new ducted system consisting of one condenser and one air handler | $18,823 | [SF1874218](https://nearbypermits.com/boston/permit/SF1874218/) |
| Jul 24, 2026 | [450 Walnut Av](https://nearbypermits.com/boston/address/450-walnut-av/) | 520 ft NE | New building | Erect White Stadium WEST Grandstand. Excavation and installation of concrete foundations on separate permit.[ePlans] | $101,897,138 | [ERT1691970](https://nearbypermits.com/boston/permit/ERT1691970/) |
| Jul 23, 2026 | [48 Peter Parley Rd](https://nearbypermits.com/boston/address/48-peter-parley-rd/) | 470 ft W | Alteration or repair | Selective interior demolition of the third floor of an existing single-family residence, including protection of adjacent areas, removal of drywall and finishes, debris disposal, and final cleanup. No structural modifications are included | $11,500 | [SF1872033](https://nearbypermits.com/boston/permit/SF1872033/) |
| Jul 22, 2026 | [27 Chilcott Pl](https://nearbypermits.com/boston/address/27-chilcott-pl/) | 790 ft N | Electrical | Installation and wiring of new ducted system consisting of one condenser and one air handler | $6,274 | [E1875220](https://nearbypermits.com/boston/permit/E1875220/) |
| Jun 26, 2026 | [450 Walnut Av](https://nearbypermits.com/boston/address/450-walnut-av/) | 520 ft NE | Electrical | Furnish & install the infrastructure and equipment associated with the Security system on the East side of White Stadium and the Event Level Zone F on the West side of White Stadium | $170,000 | [ELV1863911](https://nearbypermits.com/boston/permit/ELV1863911/) |
| Jun 26, 2026 | [450 Walnut Av](https://nearbypermits.com/boston/address/450-walnut-av/) | 520 ft NE | Fire systems | New Fire Alarm System installed in East side of White Stadium and Event Level Zone F on West side of stadium | $388,045 | [EFA1863536](https://nearbypermits.com/boston/permit/EFA1863536/) |
| Jun 18, 2026 | [1 Pierpont Rd](https://nearbypermits.com/boston/address/1-pierpont-rd/) | 500 ft E | Electrical | Generator for use with an entertainment setup. The event is taking place on Saturday, June 19, 2026 between 10:00 am - 8:00 pm at Franklin Park Playstead at Pierpont Road. | $965 | [ETS1862591](https://nearbypermits.com/boston/permit/ETS1862591/) |
| Jun 17, 2026 | [450 Walnut Av](https://nearbypermits.com/boston/address/450-walnut-av/) | 520 ft NE | Electrical | Furnish&install the temporary electrical work associated with the construction of the White Stadium project. Temporary service completed by others. LAI to connect to existing service equipment for temporary power within the new building footprint. Installation will include UG and overhead conductors | Not listed | [E1826002](https://nearbypermits.com/boston/permit/E1826002/) |
| Jun 15, 2026 | [450 Walnut Av](https://nearbypermits.com/boston/address/450-walnut-av/) | 520 ft NE | Electrical | White Stadium - West Renovation - PERMIT FEE WAIVED same as East Renovation. Letter is attached MISC Low Voltage HVAC Control Wiring AM 263970 | $637,745 | [ELV1860279](https://nearbypermits.com/boston/permit/ELV1860279/) |
| Jun 6, 2026 | [419 Walnut Av](https://nearbypermits.com/boston/address/419-walnut-av/) | 970 ft NE | Plumbing | Replacing gas dryers in common area laundry room. | $270 | [G1856687](https://nearbypermits.com/boston/permit/G1856687/) |
| Jun 4, 2026 | [24 Granada Pk](https://nearbypermits.com/boston/address/24-granada-pk/) | 690 ft N | Electrical | heat pump wiring | $600 | [E1857311](https://nearbypermits.com/boston/permit/E1857311/) |
| Jun 1, 2026 | [450 Walnut Av](https://nearbypermits.com/boston/address/450-walnut-av/) | 520 ft NE | Electrical | White Stadium - East Renovation at 450E Walnut Avenue Boston location. Misc low voltage HVAC control wiring - permit fee waived see attacment # 5- am 264066 | $623,370 | [ELV1849797](https://nearbypermits.com/boston/permit/ELV1849797/) |
| May 28, 2026 | [24 Forest Hills St](https://nearbypermits.com/boston/address/24-forest-hills-st/) | 910 ft W | Plumbing | Install new vanity toilet shower pan and valve | $3,000 | [PL1855281](https://nearbypermits.com/boston/permit/PL1855281/) |
| May 15, 2026 | [61 Montebello Rd](https://nearbypermits.com/boston/address/61-montebello-rd/) | 750 ft NW | Fire systems | Install a new UL Central Station fire alarm system | $8,000 | [EFA1849993](https://nearbypermits.com/boston/permit/EFA1849993/) |
| May 11, 2026 | [27 School St](https://nearbypermits.com/boston/address/27-school-st/) | 950 ft N | Plumbing | gas boiler replacement plumbing permit also pulled, 27 school st place roxbury is the property address (the portal didnt show school st place so mentioning to be sure its accurate) | $10,000 | [PL1847363](https://nearbypermits.com/boston/permit/PL1847363/) |
| May 11, 2026 | [27 School St](https://nearbypermits.com/boston/address/27-school-st/) | 950 ft N | Plumbing | Gas boiler replacement- 85k BTU (plumbing permit also being pulled) address is 27 school st place Roxbury/Boston 02119 | $15,000 | [G1847350](https://nearbypermits.com/boston/permit/G1847350/) |
| May 7, 2026 | [61 Montebello Rd](https://nearbypermits.com/boston/address/61-montebello-rd/) | 750 ft NW | Plumbing | Rough and finish Plumbing for new multi family building | $100,000 | [PL1846335](https://nearbypermits.com/boston/permit/PL1846335/) |
| May 6, 2026 | [26 Sigourney St](https://nearbypermits.com/boston/address/26-sigourney-st/) | 660 ft SW | Alteration or repair | Remove and replace 3 windows; like for like size; no structural changes | $14,516 | [SF1844690](https://nearbypermits.com/boston/permit/SF1844690/) |

### Farther (1,000 ft to ¼ mi), 20 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Sep 29, 2026 | [3235 Washington St](https://nearbypermits.com/boston/address/3235-washington-st/) | 0.23 mi W | Plumbing | gas pressure test | $3,000 | [G1904538](https://nearbypermits.com/boston/permit/G1904538/) |
| Sep 25, 2026 | [10 Glenside Av](https://nearbypermits.com/boston/address/10-glenside-av/) | 0.25 mi SW | Electrical | New construction 2 family house | $50,000 | [E1875080](https://nearbypermits.com/boston/permit/E1875080/) |
| Sep 6, 2026 | [75 Forest Hills St](https://nearbypermits.com/boston/address/75-forest-hills-st/) | 0.24 mi W | Electrical | Upgrade the service for 100amps to 200amps and add public meter | $5,000 | [E1897183](https://nearbypermits.com/boston/permit/E1897183/) |
| Sep 3, 2026 | [219 Boylston St](https://nearbypermits.com/boston/address/219-boylston-st/) | 0.24 mi NW | Alteration or repair | Construct an addition consisting of a new penthouse to provide enclosed interior access from the existing 3rd-floor unit to the roof garage. Confirm the existing occupancy as a 3-family dwelling. | $50,996 | [ALT1802955](https://nearbypermits.com/boston/permit/ALT1802955/) |
| Aug 31, 2026 | [16 Chilcott Pl](https://nearbypermits.com/boston/address/16-chilcott-pl/) | 0.20 mi N | Electrical | Remodeling in the Kitchen and two bedrooms and ADU new construction in the Living, Dining, Bathroom and Laundry Room and Deck and Install a New MINI SPLIT | $9,200 | [E1895521](https://nearbypermits.com/boston/permit/E1895521/) |
| Aug 27, 2026 | [16 Chilcott Pl](https://nearbypermits.com/boston/address/16-chilcott-pl/) | 0.20 mi N | Plumbing | kit bath | $6,000 | [PL1895060](https://nearbypermits.com/boston/permit/PL1895060/) |
| Aug 24, 2026 | [4 Glade Av](https://nearbypermits.com/boston/address/4-glade-av/) | 0.22 mi SW | Alteration or repair | Removing and raplacing 8 windows | $8,425 | [SF1887929](https://nearbypermits.com/boston/permit/SF1887929/) |
| Jul 22, 2026 | [90 Forest Hills St](https://nearbypermits.com/boston/address/90-forest-hills-st/) | 0.23 mi SW | Electrical | In Unit 3 Install (2) 120v 20a a/c receptacles on the third floor (middle bedroom and back bedroom) | $2,300 | [E1874097](https://nearbypermits.com/boston/permit/E1874097/) |
| Jul 15, 2026 | [2055-2061 Columbus Av](https://nearbypermits.com/boston/address/2055--2061-columbus-av/) | 0.23 mi NE | Plumbing | Replacing gas dryers in common area laundry room. | $540 | [G1861836](https://nearbypermits.com/boston/permit/G1861836/) |
| Jun 25, 2026 | [8 Glenside Av](https://nearbypermits.com/boston/address/8-glenside-av/) | 0.23 mi SW | Plumbing | 2nd Floor: 1 Gas Stove, 1 Gas Dryer, 1 Naviem Combo Gas, 1 Gas Fireplace | $3,600 | [G1864113](https://nearbypermits.com/boston/permit/G1864113/) |
| Jun 18, 2026 | [59 Forest Hills St](https://nearbypermits.com/boston/address/59-forest-hills-st/) | 0.23 mi W | Plumbing | -Disconnect and remove 3rd floor water heater. -install new hot water line to connect 3rd floor to water heater in basement -Reroute stack vent over a couple feet from floor of 3rd floor up through roof. | $1,900 | [PL1861504](https://nearbypermits.com/boston/permit/PL1861504/) |
| Jun 18, 2026 | [59 Forest Hills St](https://nearbypermits.com/boston/address/59-forest-hills-st/) | 0.23 mi W | Plumbing | disconnect and cap gas line to old 3rd floor furnace and water heater | $250 | [G1861512](https://nearbypermits.com/boston/permit/G1861512/) |
| Jun 17, 2026 | [15 Erie Pl](https://nearbypermits.com/boston/address/15-erie-pl/) | 0.21 mi N | Alteration or repair | Installation of 12x20 gazebo in backyard. | $1,200 | [ALT1860829](https://nearbypermits.com/boston/permit/ALT1860829/) |
| Jun 16, 2026 | [45 Forest Hills St](https://nearbypermits.com/boston/address/45-forest-hills-st/) | 0.22 mi W | Roofing | Strip and re-roof including skylight replacement | $59,975 | [SF1860139](https://nearbypermits.com/boston/permit/SF1860139/) |
| Jun 2, 2026 | [46 Forest Hills St](https://nearbypermits.com/boston/address/46-forest-hills-st/) | 0.20 mi W | Electrical | Low voltage alarm install | $1,200 | [ELV1856607](https://nearbypermits.com/boston/permit/ELV1856607/) |
| Jun 1, 2026 | [59 Forest Hills St](https://nearbypermits.com/boston/address/59-forest-hills-st/) | 0.23 mi W | Electrical | - relocate ev charger - exterior work, adding lighting and outlets on deck - interior work, adding lights to existing wiring in living room, laundry room, hallway | $5,000 | [E1852054](https://nearbypermits.com/boston/permit/E1852054/) |
| Jun 1, 2026 | [83 Glen Rd](https://nearbypermits.com/boston/address/83-glen-rd/) | 0.21 mi SW | Electrical | Direct wiring to replacement HVAC system | $1,500 | [E1851591](https://nearbypermits.com/boston/permit/E1851591/) |
| May 26, 2026 | [10 Glenside Av](https://nearbypermits.com/boston/address/10-glenside-av/) | 0.25 mi SW | Plumbing | Installation of new plumbing for the houses | $45,000 | [PL1848976](https://nearbypermits.com/boston/permit/PL1848976/) |
| May 26, 2026 | [10 Glenside Av](https://nearbypermits.com/boston/address/10-glenside-av/) | 0.25 mi SW | Plumbing | New gas for the house | $8,000 | [G1848982](https://nearbypermits.com/boston/permit/G1848982/) |
| May 5, 2026 | [16 Chilcott Pl](https://nearbypermits.com/boston/address/16-chilcott-pl/) | 0.20 mi N | Alteration or repair | Adding 20' X 22' 5" 3rd floor addition with new full bath new hvac, plumbing, and electrical New cedar shingle siding to match existing PDM rubber roof membrane over addition and dormer -N/R of Occupancy, Confirm Occupancy of 3 Family; | $176,500 | [ALT1741248](https://nearbypermits.com/boston/permit/ALT1741248/) |

## More on this street

Other addresses on Walnut Av with permits, nearest house number first:

- [493 Walnut Av](https://nearbypermits.com/boston/address/493-walnut-av/): newest permit Sep 24, 2026
- [450 Walnut Av](https://nearbypermits.com/boston/address/450-walnut-av/): newest permit Jul 24, 2026
- [449-451 Walnut Av](https://nearbypermits.com/boston/address/449--451-walnut-av/): newest permit Dec 26, 2025
- [439 Walnut Av](https://nearbypermits.com/boston/address/439-walnut-av/): newest permit Oct 7, 2025
- [419 Walnut Av](https://nearbypermits.com/boston/address/419-walnut-av/): newest permit Jun 6, 2026
- [377 Walnut Av](https://nearbypermits.com/boston/address/377-walnut-av/): newest permit Feb 11, 2026
- [361 Walnut Av](https://nearbypermits.com/boston/address/361-walnut-av/): newest permit Jul 3, 2025
- [302 Walnut Av](https://nearbypermits.com/boston/address/302-walnut-av/): newest permit Jul 30, 2026
- [300 Walnut Av](https://nearbypermits.com/boston/address/300-walnut-av/): newest permit Apr 21, 2026
- [282 Walnut Av](https://nearbypermits.com/boston/address/282-walnut-av/): newest permit Apr 14, 2026

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Source: Boston Inspectional Services Department permit data (https://data.boston.gov/dataset/approved-building-permits). Checked 2026-10-07 15:12 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Map, all 5 permits at this address and 46 nearby: https://nearbypermits.com/boston/address/489-walnut-av/
