# Building permits at 300 E Patapsco Ave, Baltimore, MD

The biggest project within a quarter mile since May 1: a $748,935 alteration or repair at 300 Pontiac Ave, permitted Aug 27.

Seven permits on record here. The newest, Sep 11: Revision to BCCM-25-000812 to: SCOPE OF WORK: ----- EXTERIOR ALTERATIONS ----- - add a screen wall to roof to. Within a quarter mile, the city has issued 43 more permits since May 1. One is for a new building, 0.20 mi away.

## At this address

| Date | Type | Work | Cost | Permit |
|---|---|---|---|---|
| Sep 11, 2026 | Roofing | Revision to BCCM-25-000812 to: SCOPE OF WORK: ----- EXTERIOR ALTERATIONS ----- - add a screen wall to roof to hide HVAC equipment AS PER PLANS AND AS PER CODE This property is in an Urban Renewal Plan Area and must follow URP guidelines. For more information visit, https://planning.baltimorecity.gov | $54,200 | [BCCM-26-003544](https://nearbypermits.com/baltimore/permit/BCCM-26-003544/) |
| Jan 2, 2026 | Mechanical (HVAC) | Remove old duct detectors and install new duct detectors. Add 1 CO detector in mechanical room. as per plans as per code. | $35,000 | [BCCM-25-004224](https://nearbypermits.com/baltimore/permit/BCCM-25-004224/) |
| Dec 17, 2025 | Other |  | $20,000 | [BCCM-25-004259](https://nearbypermits.com/baltimore/permit/BCCM-25-004259/) |
| Oct 9, 2025 | Other |  | $34,100 | [BCCM-25-001014](https://nearbypermits.com/baltimore/permit/BCCM-25-001014/) |
| Aug 29, 2025 | Other |  | $12,300 | [BCCM-25-000812](https://nearbypermits.com/baltimore/permit/BCCM-25-000812/) |
| Jun 19, 2025 | Other |  | $62,300 | [BCCM-25-000722](https://nearbypermits.com/baltimore/permit/BCCM-25-000722/) |
| Jul 7, 2021 | Fire systems | provide and install fire alarm system as per plans as per code. | $5,000 | [COM2020-02099](https://nearbypermits.com/baltimore/permit/COM2020-02099/) |

## Within ¼ mi since May 1, 2026

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

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

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Oct 1, 2026 | [3705 4th St](https://nearbypermits.com/baltimore/address/3705-4th-st/) | 890 ft S | Alteration or repair | Replace and repair existing decking boards | $500 | [BRCM-26-019629](https://nearbypermits.com/baltimore/permit/BRCM-26-019629/) |
| Sep 16, 2026 | [211 Pontiac Ave](https://nearbypermits.com/baltimore/address/211-pontiac-ave/) | 690 ft SW | Fence, wall or deck | Remove and replace in kind 13' x 18' covered deck (202 sf) with stairs and ramp (not intended for ADA use). Remove and replace 88 linear feet of 6' wood privacy fence with 4' gate at the rear of the property. As per plans as per code | $25,000 | [BRCM-26-016175](https://nearbypermits.com/baltimore/permit/BRCM-26-016175/) |
| Sep 5, 2026 | [320 Washburn Ave](https://nearbypermits.com/baltimore/address/320-washburn-ave/) | 840 ft S | Other | Replace the line side of the meter service entrance cable from the meter to the weather head | $1,800 | [BRCM-26-018286](https://nearbypermits.com/baltimore/permit/BRCM-26-018286/) |
| Aug 27, 2026 | [300 Pontiac Ave](https://nearbypermits.com/baltimore/address/300-pontiac-ave/) | 430 ft S | Alteration or repair | SCOPE OF WORK: ----- INTERIOR/EXTERIOR ALTERATIONS ---- - Exterior Windows and Exterior Doors replacement. - replacement of exterior louvers and light fixtures, - and includes minor interior work to support the DAS system. As per plans and as per code | $748,935 | [BCCM-25-004463](https://nearbypermits.com/baltimore/permit/BCCM-25-004463/) |
| Aug 4, 2026 | [3507 Horton Ave](https://nearbypermits.com/baltimore/address/3507-horton-ave/) | 640 ft NE | Electrical | Install 200 amp service, 24 circuits.install 80kbtu gas furnace,2 ton condenser, install 14 plumbing fixtures, water and waste reconstruction. 400 Cfm exhaust, new duct work, gas test | $8,200 | [BRCM-26-015878](https://nearbypermits.com/baltimore/permit/BRCM-26-015878/) |
| Aug 3, 2026 | [314 Washburn Ave](https://nearbypermits.com/baltimore/address/314-washburn-ave/) | 830 ft S | Electrical | 150 amp service | $1,500 | [BRCM-26-015832](https://nearbypermits.com/baltimore/permit/BRCM-26-015832/) |
| Aug 3, 2026 | [3603 2nd St](https://nearbypermits.com/baltimore/address/3603-2nd-st/) | 590 ft W | Alteration or repair | Interior Drain Tile w/Sump Pump | $19,637 | [BRCM-26-015755](https://nearbypermits.com/baltimore/permit/BRCM-26-015755/) |
| Jul 30, 2026 | [216 Maude Ave](https://nearbypermits.com/baltimore/address/216-maude-ave/) | 840 ft NE | Other | Replace Load Side Service Cable | $1,500 | [BRCM-26-015627](https://nearbypermits.com/baltimore/permit/BRCM-26-015627/) |
| Jul 24, 2026 | [500 E Patapsco Ave](https://nearbypermits.com/baltimore/address/500-e-patapsco-ave/) | 930 ft E | Electrical | Electric: upgrade existing 4-100amp with new meters as per code | $6,000 | [BCCM-26-003267](https://nearbypermits.com/baltimore/permit/BCCM-26-003267/) |
| Jul 21, 2026 | [101 Chesapeake Ave](https://nearbypermits.com/baltimore/address/101-chesapeake-ave/) | 890 ft NW | Plumbing | Install Gas Line for Meter Relocation BGE WO # 19443472 | $5,500 | [BCCM-26-002482](https://nearbypermits.com/baltimore/permit/BCCM-26-002482/) |
| Jul 18, 2026 | [3540 5th St](https://nearbypermits.com/baltimore/address/3540-5th-st/) | 820 ft E | Alteration or repair | Demo damaged siding to exterior walls of property. Install new siding to front and rear of exterior. | $7,500 | [BRCM-26-014758](https://nearbypermits.com/baltimore/permit/BRCM-26-014758/) |
| Jul 13, 2026 | [304 Washburn Ave](https://nearbypermits.com/baltimore/address/304-washburn-ave/) | 810 ft S | Plumbing | Replace 40-gallon 40,000 Btu gas water heater with the same. | $2,217 | [BRCM-26-014287](https://nearbypermits.com/baltimore/permit/BRCM-26-014287/) |
| Jul 7, 2026 | [3601 S Hanover St](https://nearbypermits.com/baltimore/address/3601-s-hanover-st/) | 790 ft W | Electrical | Low voltage work for 3601 AS PER CODE. Approved For Work Only. Subject to the permitted uses and regulations under the provisions of the Zoning Ordinance. | $40,000 | [BCCM-26-002872](https://nearbypermits.com/baltimore/permit/BCCM-26-002872/) |
| Jul 5, 2026 | [3608 5th St](https://nearbypermits.com/baltimore/address/3608-5th-st/) | 850 ft SE | Electrical | 200 Amp service 15 circuits 9 plumbing fixtures water and waste furnace stove 50k | $5,000 | [BRCM-26-002799](https://nearbypermits.com/baltimore/permit/BRCM-26-002799/) |
| Jun 30, 2026 | [316 Pontiac Ave](https://nearbypermits.com/baltimore/address/316-pontiac-ave/) | 430 ft S | Other | Mobile Communications America will install a Public Safety DAS at Marree Farring Elementary/Middle School as per plans as per code. | $45,110 | [BCCM-26-001370](https://nearbypermits.com/baltimore/permit/BCCM-26-001370/) |
| Jun 25, 2026 | [3601 S Hanover St](https://nearbypermits.com/baltimore/address/3601-s-hanover-st/) | 790 ft W | Electrical | Renovation of existing building electrical system per plans and code. Approved For Work only. Subject to the permitted uses and regulations under the provisions of the Zoning Ordinance. | $153,000 | [BCCM-26-001861](https://nearbypermits.com/baltimore/permit/BCCM-26-001861/) |
| Jun 19, 2026 | [501 Annabel Ave](https://nearbypermits.com/baltimore/address/501-annabel-ave/) | 950 ft E | Fence, wall or deck | remove front steps and build new concrete steps with railing | $2,000 | [BRCM-26-012836](https://nearbypermits.com/baltimore/permit/BRCM-26-012836/) |
| Jun 12, 2026 | [436 E Patapsco Ave](https://nearbypermits.com/baltimore/address/436-e-patapsco-ave/) | 760 ft E | Alteration or repair | To repair the cracks on the existing walkway on rear & side of building. This property is in an Urban Renewal Plan Area and must follow URP guidelines. For more information visit, https://planning.baltimorecity.gov/planning-plans/urban-renewal | $1,500 | [BCCM-26-002050](https://nearbypermits.com/baltimore/permit/BCCM-26-002050/) |
| Jun 5, 2026 | [3507 Horton Ave](https://nearbypermits.com/baltimore/address/3507-horton-ave/) | 640 ft NE | Alteration or repair | Category 1 demo scope of work frame all three level with 2x4 framing install r21 insulation to exterior walls and r 49 exterior ceiling. Install 1/2 drywall to all 2x4 framed walls ceiling. Install new interior doors and baseboreds. Install new viyl windows replacement windows to same existing openi | $5,000 | [BRCM-26-010972](https://nearbypermits.com/baltimore/permit/BRCM-26-010972/) |
| Jun 3, 2026 | [101 Cambria St](https://nearbypermits.com/baltimore/address/101-cambria-st/) | 780 ft W | Roofing | Interior non-structural alterations to include: framing to create new non-structural interior partition walls. Renovation existing kitchen and all bathrooms. New interior finishes. Install new interior doors. Same size and location. Windows replacement in kind. Same size and location install (4) new | $6,500 | [BRCM-26-000899](https://nearbypermits.com/baltimore/permit/BRCM-26-000899/) |
| Jun 2, 2026 | [9 W Patapsco Ave](https://nearbypermits.com/baltimore/address/9-w-patapsco-ave/) | 1,000 ft W | Sign | Scope of Work: Exterior alterations to include: Sign installation: Installing a set of illuminated channel letters that reads BALTIMORE LAB PROJECT along with an illuminated logo cloudcan as per code as per plans, *Work should not impede public sidewalk access This property is in an Urban Renewal Pl | $7,565 | [BCCM-26-001507](https://nearbypermits.com/baltimore/permit/BCCM-26-001507/) |
| May 28, 2026 | [101 Cambria St](https://nearbypermits.com/baltimore/address/101-cambria-st/) | 780 ft W | Electrical | 200 Amp service. 25 Circuits breakers. Gas pressure test. Gas furnace. Stove. Duct work. 2.5 Ton ac. 3 Exhaust vents. 9 Plumbing fixtures, water line. Sanitary line. Electric water heater. | $9,500 | [BRCM-26-007801](https://nearbypermits.com/baltimore/permit/BRCM-26-007801/) |
| May 4, 2026 | [416 E Patapsco Ave](https://nearbypermits.com/baltimore/address/416-e-patapsco-ave/) | 620 ft E | Alteration or repair | Removal and replacement of thirteen (13) existing windows with new energy-efficient units of the same size and location. Interior remodeling to include non-structural work such as drywall repair/replacement, flooring updates, painting, and minor finish carpentry. No structural modifications will be  | $80,000 | [BRCM-26-009354](https://nearbypermits.com/baltimore/permit/BRCM-26-009354/) |

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

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Oct 5, 2026 | [3803 4th St](https://nearbypermits.com/baltimore/address/3803-4th-st/) | 0.22 mi S | Fence, wall or deck | Install 870 feet of black 6' tall ornamental aluminum fence (see shop drawings) on the Washburn Ave., 4th Street and East Talbott Street sides and 150 feet of 6' black chain link fence (see shop drawings) across the back alley property line (See site plan) of the Saint Rose of Lima property. As per  | $54,000 | [BCCM-26-004129](https://nearbypermits.com/baltimore/permit/BCCM-26-004129/) |
| Oct 2, 2026 | [3716 5th St](https://nearbypermits.com/baltimore/address/3716-5th-st/) | 0.21 mi SE | Plumbing | Gas range replacement | $140 | [BRCM-26-019667](https://nearbypermits.com/baltimore/permit/BRCM-26-019667/) |
| Sep 24, 2026 | [414 Maude Ave](https://nearbypermits.com/baltimore/address/414-maude-ave/) | 0.19 mi NE | Other | Install waste and water for three and a half baths kitchen sink washing machine connection and two hose bibs | $9,000 | [BRCM-26-018957](https://nearbypermits.com/baltimore/permit/BRCM-26-018957/) |
| Sep 8, 2026 | [523 Maude Ave](https://nearbypermits.com/baltimore/address/523-maude-ave/) | 0.24 mi E | Mechanical (HVAC) | Gas Conversion Replacing Oil Furnace with new Gas Furnace | $21,300 | [BRCM-26-018170](https://nearbypermits.com/baltimore/permit/BRCM-26-018170/) |
| Aug 24, 2026 | [3530 S Hanover St](https://nearbypermits.com/baltimore/address/3530-s-hanover-st/) | 0.19 mi NW | Other | This is a project to have a Community Health Center. as per code as per plans This property is in a Urban Renewal Plan Area and must follow URP guidelines. For more information visit, https://planning.baltimorecity.gov/planning-plans/urban-renewalinformation | $35,000 | [BCCM-25-003780](https://nearbypermits.com/baltimore/permit/BCCM-25-003780/) |
| Aug 18, 2026 | [333 Washburn Ave](https://nearbypermits.com/baltimore/address/333-washburn-ave/) | 0.20 mi S | Electrical | light fixtures 30, outlets 35, circuits 17 | $2,500 | [BRCM-26-016969](https://nearbypermits.com/baltimore/permit/BRCM-26-016969/) |
| Aug 5, 2026 | [3731 S Hanover St](https://nearbypermits.com/baltimore/address/3731-s-hanover-st/) | 0.21 mi SW | Electrical | Plumbing for one full bathroom kitchen, kitchen, laundry waste, water and electric water heater | $3,000 | [BRCM-26-013826](https://nearbypermits.com/baltimore/permit/BRCM-26-013826/) |
| Aug 3, 2026 | [325 Washburn Ave](https://nearbypermits.com/baltimore/address/325-washburn-ave/) | 0.20 mi S | New building | new fixtures and devices | $2,500 | [BRCM-26-015846](https://nearbypermits.com/baltimore/permit/BRCM-26-015846/) |
| Aug 3, 2026 | [325 Washburn Ave](https://nearbypermits.com/baltimore/address/325-washburn-ave/) | 0.20 mi S | Other |  | $5,000 | [BRCM-26-015833](https://nearbypermits.com/baltimore/permit/BRCM-26-015833/) |
| Jul 28, 2026 | [333 Washburn Ave](https://nearbypermits.com/baltimore/address/333-washburn-ave/) | 0.20 mi S | Alteration or repair | Minor duct alterations and install bath fan | $600 | [BRCM-26-015391](https://nearbypermits.com/baltimore/permit/BRCM-26-015391/) |
| Jul 28, 2026 | [414 Maude Ave](https://nearbypermits.com/baltimore/address/414-maude-ave/) | 0.19 mi NE | Mechanical (HVAC) | Install one 2 ton and one 2.5 ton heat pumps with duct work and 3ea.exhaust fans one dyer vent. | $18,000 | [BRCM-26-015334](https://nearbypermits.com/baltimore/permit/BRCM-26-015334/) |
| Jul 7, 2026 | [201 Frankfurst Ave](https://nearbypermits.com/baltimore/address/201-frankfurst-ave/) | 0.25 mi N | Electrical | Replace 1 damaged 400 amp service disconnect. Remove feeders out of disconnect per code. | $7,000 | [BCCM-26-002901](https://nearbypermits.com/baltimore/permit/BCCM-26-002901/) |
| Jul 2, 2026 | [333 Washburn Ave](https://nearbypermits.com/baltimore/address/333-washburn-ave/) | 0.20 mi S | Alteration or repair | Cosmetic interior alterations to include new drywall, flooring, and finishes. No structural changes | $8,000 | [BRCM-26-013776](https://nearbypermits.com/baltimore/permit/BRCM-26-013776/) |
| Jul 2, 2026 | [3731 S Hanover St](https://nearbypermits.com/baltimore/address/3731-s-hanover-st/) | 0.21 mi SW | Electrical | Instal circuits for water heater, bathroom, gfci, and general use receptacles/lighting, | $2,500 | [BRCM-26-013721](https://nearbypermits.com/baltimore/permit/BRCM-26-013721/) |
| Jul 1, 2026 | [333 Washburn Ave](https://nearbypermits.com/baltimore/address/333-washburn-ave/) | 0.20 mi S | Plumbing | Roughin plumbing and gas completed by others. Replace fixtures for 2 full baths, 1 Kitchen, 1 Laundry with sink. Replace gas fixtures only to stove, furnace and water heater. As per code. | $800 | [BRCM-26-013696](https://nearbypermits.com/baltimore/permit/BRCM-26-013696/) |
| Jun 14, 2026 | [414 Maude Ave](https://nearbypermits.com/baltimore/address/414-maude-ave/) | 0.19 mi NE | Electrical | 200A service upgrade and rewire house. | $7,000 | [BRCM-26-011922](https://nearbypermits.com/baltimore/permit/BRCM-26-011922/) |
| Jun 12, 2026 | [3656 S Hanover St](https://nearbypermits.com/baltimore/address/3656-s-hanover-st/) | 0.20 mi W | Other |  | $75,236 | [BRCM-26-012247](https://nearbypermits.com/baltimore/permit/BRCM-26-012247/) |
| Jun 1, 2026 | [522 E Patapsco Ave](https://nearbypermits.com/baltimore/address/522-e-patapsco-ave/) | 0.21 mi E | Demolition | The replacement of (4) - windows all the same size at the north & southside's at the location side; as well as, interor demolition (catagory i). Replace (3) - interior doors all the same size on the north & southside at the location. Painting the whole home. Install drywall and install trim / basebo | $2,000 | [BRCM-26-011296](https://nearbypermits.com/baltimore/permit/BRCM-26-011296/) |
| May 29, 2026 | [513 Maude Ave](https://nearbypermits.com/baltimore/address/513-maude-ave/) | 0.22 mi E | Plumbing | replace 52k btu gas range new flex connector | $150 | [BRCM-25-022188](https://nearbypermits.com/baltimore/permit/BRCM-25-022188/) |
| May 22, 2026 | [3811 2nd St](https://nearbypermits.com/baltimore/address/3811-2nd-st/) | 0.22 mi SW | Other | Install 94 linear feet of 6 foot high wood feencein rear and side yard of rowhouse, 4 x 4 posts 8 feet apart and 12 inch deep footers as per code | $5,545 | [BRCM-26-010749](https://nearbypermits.com/baltimore/permit/BRCM-26-010749/) |

## More on this street

Other addresses on E Patapsco Ave with permits, nearest house number first:

- [301 E Patapsco Ave](https://nearbypermits.com/baltimore/address/301-e-patapsco-ave/): newest permit Mar 13, 2026
- [322 E Patapsco Ave](https://nearbypermits.com/baltimore/address/322-e-patapsco-ave/): newest permit Feb 21, 2026
- [223 E Patapsco Ave](https://nearbypermits.com/baltimore/address/223-e-patapsco-ave/): newest permit Apr 14, 2026
- [205 E Patapsco Ave](https://nearbypermits.com/baltimore/address/205-e-patapsco-ave/): newest permit Dec 6, 2024
- [413 E Patapsco Ave](https://nearbypermits.com/baltimore/address/413-e-patapsco-ave/): newest permit Sep 2, 2025
- [416 E Patapsco Ave](https://nearbypermits.com/baltimore/address/416-e-patapsco-ave/): newest permit May 4, 2026
- [425 E Patapsco Ave](https://nearbypermits.com/baltimore/address/425-e-patapsco-ave/): newest permit Apr 23, 2026
- [436 E Patapsco Ave](https://nearbypermits.com/baltimore/address/436-e-patapsco-ave/): newest permit Jun 12, 2026
- [439 E Patapsco Ave 1-4](https://nearbypermits.com/baltimore/address/439-e-patapsco-ave-1--4/): newest permit Jan 14, 2025
- [104 E Patapsco Ave](https://nearbypermits.com/baltimore/address/104-e-patapsco-ave/): newest permit Dec 5, 2024

---
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 2026-10-06 21:04 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Map, all 7 permits at this address and 43 nearby: https://nearbypermits.com/baltimore/address/300-e-patapsco-ave/
