# Building permits at 449-451 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, Dec 26, 2025: Tempering valve. Within a quarter mile, the city has issued 42 more permits since May 1. One is for a new building, 150 ft away.

## At this address

| Date | Type | Work | Cost | Permit |
|---|---|---|---|---|
| Dec 26, 2025 | Plumbing | Tempering valve | $1,000 | [PL1808339](https://nearbypermits.com/boston/permit/PL1808339/) |
| Dec 26, 2025 | Plumbing | Gas piping new boiler | $1,000 | [G1808341](https://nearbypermits.com/boston/permit/G1808341/) |
| Oct 28, 2025 | Electrical | Installation of conduit and wire for a new Lochinvar Armor Domestic Hot Water Boiler, circ pump, and Heat Timer Temporal Valve controller. This will replace the DHW side loop on building Heating Boiler. | $850 | [E1790850](https://nearbypermits.com/boston/permit/E1790850/) |
| Feb 25, 2025 | Alteration or repair | Insulation and Weatherization | $7,086 | [SF1667180](https://nearbypermits.com/boston/permit/SF1667180/) |
| Mar 23, 2010 | Plumbing | Installed boiers | $3,000 | [G19038](https://nearbypermits.com/boston/permit/G19038/) |

## Within ¼ mi since May 1, 2026

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

### Next door (under 250 ft), 6 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Jul 24, 2026 | [450 Walnut Av](https://nearbypermits.com/boston/address/450-walnut-av/) | 150 ft E | 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/) |
| Jun 26, 2026 | [450 Walnut Av](https://nearbypermits.com/boston/address/450-walnut-av/) | 150 ft E | 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/) | 150 ft E | 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 17, 2026 | [450 Walnut Av](https://nearbypermits.com/boston/address/450-walnut-av/) | 150 ft E | 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/) | 150 ft E | 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 1, 2026 | [450 Walnut Av](https://nearbypermits.com/boston/address/450-walnut-av/) | 150 ft E | 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/) |

### This block (250 to 1,000 ft), 23 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Sep 24, 2026 | [493 Walnut Av](https://nearbypermits.com/boston/address/493-walnut-av/) | 580 ft S | Electrical | remove meter socket and exterior fixtures for siding | $1,000 | [E1902933](https://nearbypermits.com/boston/permit/E1902933/) |
| Sep 22, 2026 | [1 Pierpont Rd](https://nearbypermits.com/boston/address/1-pierpont-rd/) | 570 ft SE | 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/) | 320 ft NW | 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/) | 660 ft W | 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/) | 660 ft W | Alteration or repair | Weatherization work through the mass save program. | $6,224 | [SF1900107](https://nearbypermits.com/boston/permit/SF1900107/) |
| Aug 31, 2026 | [16 Chilcott Pl](https://nearbypermits.com/boston/address/16-chilcott-pl/) | 750 ft NW | 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/) | 750 ft NW | Plumbing | kit bath | $6,000 | [PL1895060](https://nearbypermits.com/boston/permit/PL1895060/) |
| Aug 24, 2026 | [493 Walnut Av](https://nearbypermits.com/boston/address/493-walnut-av/) | 580 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/) |
| Aug 12, 2026 | [69 Robeson St](https://nearbypermits.com/boston/address/69-robeson-st/) | 930 ft S | 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/) | 930 ft S | 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/) | 480 ft NW | 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 23, 2026 | [48 Peter Parley Rd](https://nearbypermits.com/boston/address/48-peter-parley-rd/) | 760 ft SW | 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/) | 480 ft NW | 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/) |
| Jul 15, 2026 | [2055-2061 Columbus Av](https://nearbypermits.com/boston/address/2055--2061-columbus-av/) | 770 ft NE | Plumbing | Replacing gas dryers in common area laundry room. | $540 | [G1861836](https://nearbypermits.com/boston/permit/G1861836/) |
| Jun 18, 2026 | [1 Pierpont Rd](https://nearbypermits.com/boston/address/1-pierpont-rd/) | 570 ft SE | 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 | [15 Erie Pl](https://nearbypermits.com/boston/address/15-erie-pl/) | 790 ft NW | Alteration or repair | Installation of 12x20 gazebo in backyard. | $1,200 | [ALT1860829](https://nearbypermits.com/boston/permit/ALT1860829/) |
| Jun 6, 2026 | [419 Walnut Av](https://nearbypermits.com/boston/address/419-walnut-av/) | 530 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/) | 320 ft NW | Electrical | heat pump wiring | $600 | [E1857311](https://nearbypermits.com/boston/permit/E1857311/) |
| May 15, 2026 | [61 Montebello Rd](https://nearbypermits.com/boston/address/61-montebello-rd/) | 750 ft W | 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/) | 480 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/) | 480 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 W | Plumbing | Rough and finish Plumbing for new multi family building | $100,000 | [PL1846335](https://nearbypermits.com/boston/permit/PL1846335/) |
| May 5, 2026 | [16 Chilcott Pl](https://nearbypermits.com/boston/address/16-chilcott-pl/) | 750 ft NW | 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/) |

### Farther (1,000 ft to ¼ mi), 13 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Sep 29, 2026 | [3235 Washington St](https://nearbypermits.com/boston/address/3235-washington-st/) | 0.24 mi W | Plumbing | gas pressure test | $3,000 | [G1904538](https://nearbypermits.com/boston/permit/G1904538/) |
| Sep 15, 2026 | [2000 Columbus Av](https://nearbypermits.com/boston/address/2000-columbus-av/) | 0.21 mi N | Fire systems | Replace existing fire alarm panel with new panel. Add cellular dialer. Work to be completed and tested during a single 8 hour shift. Building is a bha property | $6,000 | [EFA1900674](https://nearbypermits.com/boston/permit/EFA1900674/) |
| Sep 11, 2026 | [45 Haverford St](https://nearbypermits.com/boston/address/45-haverford-st/) | 0.23 mi NW | Plumbing | replacement of a dryer | $200 | [G1899359](https://nearbypermits.com/boston/permit/G1899359/) |
| Sep 3, 2026 | [219 Boylston St](https://nearbypermits.com/boston/address/219-boylston-st/) | 0.20 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 13, 2026 | [47 Haverford St](https://nearbypermits.com/boston/address/47-haverford-st/) | 0.23 mi NW | Roofing | Replace existing rubber roof | $18,500 | [SF1875925](https://nearbypermits.com/boston/permit/SF1875925/) |
| Jul 21, 2026 | [1 Beethoven St](https://nearbypermits.com/boston/address/1-beethoven-st/) | 0.25 mi N | Plumbing | Piping in an indirect water heater and a mixing valve | $5,000 | [PL1874509](https://nearbypermits.com/boston/permit/PL1874509/) |
| Jul 13, 2026 | [7 Homestead St](https://nearbypermits.com/boston/address/7-homestead-st/) | 0.21 mi NE | Alteration or repair | 364 WALNUT AVE - Remove existing siding and siding accessories and replace with new siding and siding accessories. | $96,450 | [SF1870332](https://nearbypermits.com/boston/permit/SF1870332/) |
| Jun 25, 2026 | [3141 Washington St](https://nearbypermits.com/boston/address/3141-washington-st/) | 0.20 mi NW | Alteration or repair | Remove proviso order *Granted to this Petitioner Only*, increase occupancy;from 19 to 49 occupants. (2 TV's and 4 ceiling speakers). Work being done on;SF1684254 | Not listed | [ALT1685594](https://nearbypermits.com/boston/permit/ALT1685594/) |
| Jun 16, 2026 | [34 Egleston St](https://nearbypermits.com/boston/address/34-egleston-st/) | 0.22 mi NW | Alteration or repair | Install garage door | $16,250 | [SF1858356](https://nearbypermits.com/boston/permit/SF1858356/) |
| Jun 6, 2026 | [7 Homestead St](https://nearbypermits.com/boston/address/7-homestead-st/) | 0.21 mi NE | Alteration or repair | Remove front porches and rebuild them. Remove front masonry steps and rebuild with wood. | $21,550 | [SF1856159](https://nearbypermits.com/boston/permit/SF1856159/) |
| Jun 2, 2026 | [46 Forest Hills St](https://nearbypermits.com/boston/address/46-forest-hills-st/) | 0.25 mi W | Electrical | Low voltage alarm install | $1,200 | [ELV1856607](https://nearbypermits.com/boston/permit/ELV1856607/) |
| May 28, 2026 | [24 Forest Hills St](https://nearbypermits.com/boston/address/24-forest-hills-st/) | 0.20 mi W | Plumbing | Install new vanity toilet shower pan and valve | $3,000 | [PL1855281](https://nearbypermits.com/boston/permit/PL1855281/) |
| May 6, 2026 | [26 Sigourney St](https://nearbypermits.com/boston/address/26-sigourney-st/) | 0.21 mi 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/) |

## 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 |  | 13 Homestead St | 0.22 mi NE | Zoning appeal: "New two family construction with 2 on grade tandem parking spaces. e Filed" | [BOA1838398](https://www.boston.gov/appeal-tracker) | "Community Process" | 2026-04-10 |
| Requested |  | 3096 to 3104 Washington St | 0.22 mi N | To change occupancy from Restaurant with sit down and liquor store to Restaurant with take out… | [BOA1784174](https://www.boston.gov/appeal-tracker) | "Community Process" | 2025-09-30 |
| Approved | Jul 14, 2026 | 3 Glines Av | 700 ft NW | To erect a new three family residential building on a vacant lot | [BOA1855600](https://www.boston.gov/appeal-tracker) | "Appeal Closed", decision "Approved" | 2026-05-28 |
| Approved | Jun 16, 2026 | 439 Walnut Av | 170 ft NE | To change use of existing 2-family house to a 4-family… | [BOA1819749](https://www.boston.gov/appeal-tracker) | "Appeal Closed", decision "AppProv" | 2026-02-09 |
| Approved | Apr 16, 2026 | 3141 Washington St | 0.20 mi NW | To remove proviso order *… | [BOA1701102](https://www.boston.gov/appeal-tracker) | "Appeal Closed", decision "Approved" | 2025-03-21 |

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 Walnut Av with permits, nearest house number first:

- [450 Walnut Av](https://nearbypermits.com/boston/address/450-walnut-av/): newest permit Jul 24, 2026
- [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
- [489 Walnut Av](https://nearbypermits.com/boston/address/489-walnut-av/): newest permit Oct 31, 2025
- [493 Walnut Av](https://nearbypermits.com/boston/address/493-walnut-av/): newest permit Sep 24, 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

---
Source: Boston Inspectional Services Department permit data (https://data.boston.gov/dataset/approved-building-permits). Checked 2026-10-08 15:29 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 8, 11:17 UTC.

Map, all 5 permits at this address and 42 nearby: https://nearbypermits.com/boston/address/449--451-walnut-av/