# Building permits at 4000 Harmony Ct, Baltimore, MD

10 permits on record here. The newest, Sep 29: Move existing toilet to new location in bathroom. Within a quarter mile, the city has issued 37 more permits (36 projects) since May 1.

## At this address

| Date | Type | Work | Cost | Permit |
|---|---|---|---|---|
| Sep 29, 2026 | Alteration or repair | Move existing toilet to new location in bathroom, add new shower to same bathroom. Add new hose bib and gas grill line. | $3,300 | [BRCM-26-019719](https://nearbypermits.com/baltimore/permit/BRCM-26-019719/) |
| Dec 23, 2021 | Other | use as single family dwelling | Not listed | [USE2021-55980](https://nearbypermits.com/baltimore/permit/USE2021-55980/) |
| Dec 21, 2021 | Electrical | extend original permit.(original permit:com2021-66916:install (10) # branch circuits/feeders, (137) # fixtures/devices, (1) 200 amps new electrical meters as per code.) original permit description:(com2021-66916) install (10) # branch circuits/feeders, (137) # fixtures/devices, (1) 200 amps new elec | Not listed | [COM2021-89215](https://nearbypermits.com/baltimore/permit/COM2021-89215/) |
| Oct 25, 2021 | Plumbing | extend: (original permit:com2021-64763:install (1) # backflow prevention device ( | Not listed | [COM2021-81616](https://nearbypermits.com/baltimore/permit/COM2021-81616/) |
| Aug 25, 2021 | Mechanical (HVAC) | install (1) 60000 btu fuel-burning equip(furnace), (1) 30000 btu air-con system, heat pump, (1) 9000 btu air-con system, heat pump, (2) # new distribution system (1-2 family) as per code. | $8,000 | [COM2021-75799](https://nearbypermits.com/baltimore/permit/COM2021-75799/) |
| Aug 25, 2021 | Fire systems | fire sprinkler install 13d - 6 units x 28 heads per unit as per plans as per code. | $3,000 | [COM2021-01885](https://nearbypermits.com/baltimore/permit/COM2021-01885/) |
| Jul 30, 2021 | Electrical | install (15) # low voltage as per code. | $250 | [COM2021-72925](https://nearbypermits.com/baltimore/permit/COM2021-72925/) |
| Jun 2, 2021 | Electrical | install (10) # branch circuits/feeders, (137) # fixtures/devices, (1) 200 amps new electrical meters as per code. | $12,000 | [COM2021-66916](https://nearbypermits.com/baltimore/permit/COM2021-66916/) |
| May 19, 2021 | Plumbing | install (1) # backflow prevention device ( | $15,415 | [COM2021-64763](https://nearbypermits.com/baltimore/permit/COM2021-64763/) |
| May 19, 2021 | New building | construct new single family townhome (all site related work covered under separate permitcom2018-02347) as per plans as per code. separate permit is required for sprinkler system, mechanical, electrical, and plumbing | $252,565 | [COM2021-00634](https://nearbypermits.com/baltimore/permit/COM2021-00634/) |

## Within ¼ mi since May 1, 2026

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

### This block (250 to 1,000 ft), 29 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Oct 5, 2026 | [3904 Foster Ave](https://nearbypermits.com/baltimore/address/3904-foster-ave/) | 960 ft N | Fence, wall or deck | SCOPE OF WORK: ----- New Exterior Work: ------ - Demo / Rebuild Existing Rooftop Deck (14'-3" x 14') w/ New Pre-Manufactured Metal Pergola (Manufacturer To Be Determined). All Pre-Manufactured Specifications To Be Confirmed w/ Engineer Prior To Construction. As Per Plans, As Per Code. | $10,000 | [BRCM-26-017324](https://nearbypermits.com/baltimore/permit/BRCM-26-017324/) |
| Sep 23, 2026 | [3820 Hudson St](https://nearbypermits.com/baltimore/address/3820-hudson-st/) | 500 ft W | Alteration or repair | install 3 repl windows same size | $8,380 | [BRCM-26-019378](https://nearbypermits.com/baltimore/permit/BRCM-26-019378/) |
| Aug 17, 2026 | [3715 Fait Ave](https://nearbypermits.com/baltimore/address/3715-fait-ave/) | 880 ft NW | Plumbing | Replace water service | $11,299 | [BRCM-26-016678](https://nearbypermits.com/baltimore/permit/BRCM-26-016678/) |
| Aug 10, 2026 | [3906 Foster Ave](https://nearbypermits.com/baltimore/address/3906-foster-ave/) | 950 ft N | Mechanical (HVAC) | Installation of Goodman 12000 BTU Minisplit | $7,000 | [BRCM-26-016276](https://nearbypermits.com/baltimore/permit/BRCM-26-016276/) |
| Aug 7, 2026 | [800 Grundy St](https://nearbypermits.com/baltimore/address/800-grundy-st/) | 390 ft NW | Other | install water powered backup pump with dual check | $1,400 | [BRCM-26-016143](https://nearbypermits.com/baltimore/permit/BRCM-26-016143/) |
| Aug 7, 2026 | [657 Mozart Way](https://nearbypermits.com/baltimore/address/657-mozart-way/) | 680 ft N | Other |  | $3,490 | [BRCM-26-015500](https://nearbypermits.com/baltimore/permit/BRCM-26-015500/) |
| Jun 18, 2026 | [657 Mozart Way](https://nearbypermits.com/baltimore/address/657-mozart-way/) | 680 ft N | Other |  | $2,824 | [BRCM-26-011676](https://nearbypermits.com/baltimore/permit/BRCM-26-011676/) |
| Aug 3, 2026 | [3903 Fait Ave](https://nearbypermits.com/baltimore/address/3903-fait-ave/) | 510 ft NW | Plumbing | replace gas dryer | $150 | [BRCM-26-015774](https://nearbypermits.com/baltimore/permit/BRCM-26-015774/) |
| Jul 29, 2026 | [3906 Foster Ave](https://nearbypermits.com/baltimore/address/3906-foster-ave/) | 950 ft N | Electrical | 3 Circuits relocate service cable | $2,000 | [BRCM-26-015466](https://nearbypermits.com/baltimore/permit/BRCM-26-015466/) |
| Jul 27, 2026 | [3708 Fait Ave](https://nearbypermits.com/baltimore/address/3708-fait-ave/) | 990 ft NW | Mechanical (HVAC) | Replaced existing with daikin dc4sea 2.5 ton air conditioner | $8,707 | [BRCM-26-015362](https://nearbypermits.com/baltimore/permit/BRCM-26-015362/) |
| Jul 27, 2026 | [3820 Hudson St](https://nearbypermits.com/baltimore/address/3820-hudson-st/) | 500 ft W | Mechanical (HVAC) | Replace 2-ton A/C, and evaporator coil with same. Install disconnects for 2-ton A/C. | $7,203 | [BRCM-26-015297](https://nearbypermits.com/baltimore/permit/BRCM-26-015297/) |
| Jul 15, 2026 | [3906 Foster Ave](https://nearbypermits.com/baltimore/address/3906-foster-ave/) | 950 ft N | Plumbing | Install plumbing for shower, toilet, and vanity. Rough-in and Trim-Out. | $4,000 | [BRCM-26-014575](https://nearbypermits.com/baltimore/permit/BRCM-26-014575/) |
| Jul 9, 2026 | [3910 Hudson St](https://nearbypermits.com/baltimore/address/3910-hudson-st/) | 320 ft NW | Electrical | rewire whole house 200 amp Service upgrade | $5,000 | [BRCM-26-014251](https://nearbypermits.com/baltimore/permit/BRCM-26-014251/) |
| Jul 9, 2026 | [3910 Hudson St](https://nearbypermits.com/baltimore/address/3910-hudson-st/) | 320 ft NW | Mechanical (HVAC) | Install 60000btu gas furnace with 2.5 ton a/c install venting for 3 50cfm bath fans and 1 50cfm dryer vent | $7,000 | [BRCM-26-014198](https://nearbypermits.com/baltimore/permit/BRCM-26-014198/) |
| Jul 3, 2026 | [3716 Fait Ave](https://nearbypermits.com/baltimore/address/3716-fait-ave/) | 940 ft NW | Plumbing | Emergency sewer lateral repair (NO ROW WORK) | $7,500 | [BRCM-26-011361](https://nearbypermits.com/baltimore/permit/BRCM-26-011361/) |
| Jun 8, 2026 | [3826 Hudson St](https://nearbypermits.com/baltimore/address/3826-hudson-st/) | 460 ft W | Plumbing | Replace water heater | $1,000 | [BRCM-26-010461](https://nearbypermits.com/baltimore/permit/BRCM-26-010461/) |
| Jun 8, 2026 | [3822 Hudson St](https://nearbypermits.com/baltimore/address/3822-hudson-st/) | 490 ft W | Plumbing | Replace water heater 40K BTUS | $1,000 | [BRCM-26-007835](https://nearbypermits.com/baltimore/permit/BRCM-26-007835/) |
| Jun 3, 2026 | [3913 Foster Ave](https://nearbypermits.com/baltimore/address/3913-foster-ave/) | 810 ft N | Electrical | Scope of work: alterations to include: Install 1 Sump Pump, 26 LNT of Basement Gutter and 1 Electrical Outlet. as per code as per specifications, *no curbing or underpinning | $9,075 | [BRCM-26-008766](https://nearbypermits.com/baltimore/permit/BRCM-26-008766/) |
| Jun 2, 2026 | [3820 Hudson St](https://nearbypermits.com/baltimore/address/3820-hudson-st/) | 500 ft W | Alteration or repair | window repl- install one repl window same size | $1,448 | [BRCM-26-011465](https://nearbypermits.com/baltimore/permit/BRCM-26-011465/) |
| May 28, 2026 | [808 S Eaton St](https://nearbypermits.com/baltimore/address/808-s-eaton-st/) | 780 ft W | Other | To replace defective service cable. Line side only. | $1,500 | [BRCM-26-011267](https://nearbypermits.com/baltimore/permit/BRCM-26-011267/) |
| May 28, 2026 | [651 Mozart Way](https://nearbypermits.com/baltimore/address/651-mozart-way/) | 710 ft N | Other |  | $3,570 | [BRCM-25-019129](https://nearbypermits.com/baltimore/permit/BRCM-25-019129/) |
| May 26, 2026 | [3906 Foster Ave](https://nearbypermits.com/baltimore/address/3906-foster-ave/) | 950 ft N | Roofing | Demo Work: Category 2 Demo (100 SF) of Bearing & Non-Bearing Stud Walls, Plaster, Trim, Insulation, Flooring / Roofing & Debris. As Per Plans, As Per Code. New Interior Work: Framing (300 SF) w/ Stud Walls, Staircase (7-3/4"Riser,11"Tread,3'Wide) w/ Hangers, Drywall, Trim, Insulation (R-30 Walls, R- | $25,000 | [BRCM-26-008997](https://nearbypermits.com/baltimore/permit/BRCM-26-008997/) |
| May 24, 2026 | [720 S Fagley St](https://nearbypermits.com/baltimore/address/720-s-fagley-st/) | 740 ft NW | Electrical | Upgrade service to 150 amp, install 20 are circuits, install 6 low voltage as per code | $5,000 | [BRCM-26-010943](https://nearbypermits.com/baltimore/permit/BRCM-26-010943/) |
| May 20, 2026 | [3822 Hudson St](https://nearbypermits.com/baltimore/address/3822-hudson-st/) | 490 ft W | Other |  | $13,726 | [BRCM-26-010616](https://nearbypermits.com/baltimore/permit/BRCM-26-010616/) |
| May 20, 2026 | [3910 Hudson St](https://nearbypermits.com/baltimore/address/3910-hudson-st/) | 320 ft NW | Plumbing | Install new interior water and waste to (3) full baths, (1) half bath, (1) kitchen (which includes water line for refrigerator, dishwasher and garbage disposal), (1) laundry, (2) frost free hose bibs. installing all new gas to (1) stove and (1) furnace. install new 50gl electric water heater and sum | $1,000 | [BRCM-26-010368](https://nearbypermits.com/baltimore/permit/BRCM-26-010368/) |
| May 20, 2026 | [3910 Hudson St](https://nearbypermits.com/baltimore/address/3910-hudson-st/) | 320 ft NW | Roofing | Demo Work: Category 2 Demo (500 SF) of Bearing & Non-Bearing Stud Walls, Stairs, Plaster, Trim, Insulation, Flooring / Roofing & Debris. Demo existing 2nd floor rear addition. New Interior Work: Framing (1592 SF) w/ Stud Walls, Staircase (7-3/4"Riser,11"Tread,3'Wide) w/ Hangers, Drywall, Trim, Insul | $50,000 | [BRCM-26-009061](https://nearbypermits.com/baltimore/permit/BRCM-26-009061/) |
| May 19, 2026 | [714 Grundy St](https://nearbypermits.com/baltimore/address/714-grundy-st/) | 640 ft N | Other |  | $11,500 | [BRCM-26-008716](https://nearbypermits.com/baltimore/permit/BRCM-26-008716/) |
| May 7, 2026 | [3828 Hudson St](https://nearbypermits.com/baltimore/address/3828-hudson-st/) | 450 ft W | Mechanical (HVAC) | Replace 2.5-ton A/C and air handler with same. Install disconnects for 2.5-ton A/C and air handler. | $13,263 | [BRCM-26-009688](https://nearbypermits.com/baltimore/permit/BRCM-26-009688/) |
| May 4, 2026 | [720 S Fagley St](https://nearbypermits.com/baltimore/address/720-s-fagley-st/) | 740 ft NW | Mechanical (HVAC) | Equipment and ductwork all work subject to field inspection | $18,900 | [BRCM-26-009315](https://nearbypermits.com/baltimore/permit/BRCM-26-009315/) |

### Farther (1,000 ft to ¼ mi), 8 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Sep 29, 2026 | [612 S Eaton St](https://nearbypermits.com/baltimore/address/612-s-eaton-st/) | 0.25 mi NW | Electrical | Replace existing 150 amp service cable with new. | $1,000 | [BRCM-26-019868](https://nearbypermits.com/baltimore/permit/BRCM-26-019868/) |
| Sep 3, 2026 | [3903 Fleet St](https://nearbypermits.com/baltimore/address/3903-fleet-st/) | 0.22 mi N | Plumbing | replace gas dryer | $150 | [BRCM-26-018083](https://nearbypermits.com/baltimore/permit/BRCM-26-018083/) |
| Aug 27, 2026 | [930 S Conkling St](https://nearbypermits.com/baltimore/address/930-s-conkling-st/) | 0.25 mi W | Mechanical (HVAC) | Replace air conditioner and coil | $6,000 | [BRCM-26-017582](https://nearbypermits.com/baltimore/permit/BRCM-26-017582/) |
| Jul 10, 2026 | [608 Grundy St](https://nearbypermits.com/baltimore/address/608-grundy-st/) | 0.21 mi N | Fence, wall or deck | SCOPE OF WORK: ---- ACCESSORY STRUCTURE ----- - Carport for one car 19.6 Deep, 13.7 wide, 12.2 High, Standing seam Metal Roof 6X6 Post and bean construction. Footing 30" Deep X 18" in Diameter Lot size 14.7 wide with 6 inch French drain on right as facing building. Concrete pad to be removed and rep | $30,000 | [BRCM-26-012668](https://nearbypermits.com/baltimore/permit/BRCM-26-012668/) |
| Jul 1, 2026 | [3603 Fait Ave](https://nearbypermits.com/baltimore/address/3603-fait-ave/) | 0.21 mi W | Other |  | $500 | [BRCM-26-013575](https://nearbypermits.com/baltimore/permit/BRCM-26-013575/) |
| Jun 19, 2026 | [816 S Dean St](https://nearbypermits.com/baltimore/address/816-s-dean-st/) | 0.20 mi W | Alteration or repair | Remove/replace 5 windows; 1 entry door; no structural changes | $8,584 | [BRCM-26-012902](https://nearbypermits.com/baltimore/permit/BRCM-26-012902/) |
| Jun 10, 2026 | [713 S Conkling St](https://nearbypermits.com/baltimore/address/713-s-conkling-st/) | 0.25 mi NW | Plumbing | Replace 40-gallon 38,000 Btu gas water heater with the same. | $2,208 | [BRCM-26-012175](https://nearbypermits.com/baltimore/permit/BRCM-26-012175/) |
| May 29, 2026 | [938 S Conkling St](https://nearbypermits.com/baltimore/address/938-s-conkling-st/) | 0.25 mi W | Mechanical (HVAC) | Replace one split, 5 ton A/C only system with identical tonnage system. | $14,000 | [BCCM-26-002064](https://nearbypermits.com/baltimore/permit/BCCM-26-002064/) |

---
Source: Baltimore Department of Housing and Community Development permit data (https://www.arcgis.com/home/item.html?id=189e6d1c65df4e13b38c0027cee574f6), City of Baltimore, CC BY 3.0 (https://creativecommons.org/licenses/by/3.0/). Checked 2026-10-07 20:34 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Map, all 10 permits at this address and 37 nearby: https://nearbypermits.com/baltimore/address/4000-harmony-ct/