# Building permits at 4100 Kathland Ave, Baltimore, MD

One permit on record here. The newest, Oct 22, 2025: Replace existing 105k gas water boiler. Within a quarter mile, the city has issued 51 more permits since May 1.

## At this address

| Date | Type | Work | Cost | Permit |
|---|---|---|---|---|
| Oct 22, 2025 | Mechanical (HVAC) | Replace existing 105k gas water boiler | $20,152 | [BRCM-25-018296](https://nearbypermits.com/baltimore/permit/BRCM-25-018296/) |

## Within ¼ mi since May 1, 2026

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

### Next door (under 250 ft), 3 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Jul 27, 2026 | [4016 Kathland Ave](https://nearbypermits.com/baltimore/address/4016-kathland-ave/) | 120 ft E | Mechanical (HVAC) | Scope of work: Interior/exterior alterations to include: New 6 windows and new rear siding all the same size and location. Remove all drywall for mechanicals frame necessary bulkhead install R21 and R49 insulation to code install drain tile install drywall. New cabinets and vanity new carpet and til | $15,000 | [BRCM-26-012570](https://nearbypermits.com/baltimore/permit/BRCM-26-012570/) |
| Jul 27, 2026 | [4016 Kathland Ave](https://nearbypermits.com/baltimore/address/4016-kathland-ave/) | 120 ft E | Electrical | 200 Amp service 15 circuits 9 plumbing fixtures water and waste furnace 90k stove 50k | $5,000 | [BRCM-26-012563](https://nearbypermits.com/baltimore/permit/BRCM-26-012563/) |
| Jul 16, 2026 | [3107 Granada Ave](https://nearbypermits.com/baltimore/address/3107-granada-ave/) | 210 ft E | Solar | This project involves the installation of a 5.670KW DC/ 7.600KW AC residential solar PV system under Civic Works Baltimore Shines Program (ARPA-funded), utilizing 14 LONGI SOLAR - LR5-54HPB-405M MODULES (405W) modules paired with 14 SolarEdge U650 power optimizers for enhanced module-level performan | $1,800 | [BRCM-26-011429](https://nearbypermits.com/baltimore/permit/BRCM-26-011429/) |

### This block (250 to 1,000 ft), 33 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Oct 5, 2026 | [4002 Kathland Ave](https://nearbypermits.com/baltimore/address/4002-kathland-ave/) | 470 ft E | Alteration or repair | Scope of work: Interior alterations to include: *Cosmetic work only, kitchen and bathrooms change cabinets and repaint interior of house no extensive building or trade renovations to be done. If extensive building/trade renovations take place at this property then permit will be invalid and need to  | $2,000 | [BRCM-26-020088](https://nearbypermits.com/baltimore/permit/BRCM-26-020088/) |
| Sep 16, 2026 | [4011 Kathland Ave](https://nearbypermits.com/baltimore/address/4011-kathland-ave/) | 500 ft SE | Alteration or repair | Interior and exterior alteration. Catergory 1 demo. No new partition walls. Furring strips added to existing studs to accept r21 batt insulation/r49 at attic. Replace windows same size and same location.replace 2 exterior doors same size and location. Replace viynl siding. No new roof structure or s | $75,000 | [BRCM-26-018822](https://nearbypermits.com/baltimore/permit/BRCM-26-018822/) |
| Sep 10, 2026 | [4123 Kathland Ave](https://nearbypermits.com/baltimore/address/4123-kathland-ave/) | 620 ft W | Electrical | 100AMP to 200AMP Heavy Up | $5,000 | [BRCM-26-018548](https://nearbypermits.com/baltimore/permit/BRCM-26-018548/) |
| Sep 2, 2026 | [4002 Kathland Ave](https://nearbypermits.com/baltimore/address/4002-kathland-ave/) | 470 ft E | Plumbing | Gas test | $1,000 | [BRCM-26-018051](https://nearbypermits.com/baltimore/permit/BRCM-26-018051/) |
| Sep 2, 2026 | [4013 Springdale Ave](https://nearbypermits.com/baltimore/address/4013-springdale-ave/) | 350 ft NE | Plumbing | Gas Test for Stove and Furnace as per code | $2,200 | [BRCM-26-018025](https://nearbypermits.com/baltimore/permit/BRCM-26-018025/) |
| Aug 24, 2026 | [4003 Springdale Ave](https://nearbypermits.com/baltimore/address/4003-springdale-ave/) | 530 ft E | Electrical | Replacement of plumbing, electrical, mechanical and gas fixtures electrical work installation of: (25) circuits (94) fixtures and devices (3) ceiling fan (1) dishwasher (1) washer machine (1) dryer machine (1) refrigerator (1) microwave (1) garbage disposal (1) ac unit [3 tons] (1) water heater [750 | $25,500 | [BRCM-26-015876](https://nearbypermits.com/baltimore/permit/BRCM-26-015876/) |
| Aug 19, 2026 | [4301 W Forest Park Ave](https://nearbypermits.com/baltimore/address/4301-w-forest-park-ave/) | 890 ft S | Alteration or repair | Demolish kitchen & 3.5 bathrooms and remodel. Demolish, repair, replace drywall as needed throughout the house, and repaint entire house. Replace 16 interior doors. Replace kitchen cabinets. Install all new baseboard. Paint throughout. & New trim, new flooring throughout the house ------ exterior al | $21,000 | [BRCM-26-017020](https://nearbypermits.com/baltimore/permit/BRCM-26-017020/) |
| Aug 18, 2026 | [4106 Wentworth Rd](https://nearbypermits.com/baltimore/address/4106-wentworth-rd/) | 390 ft SW | Electrical | Increase existing 100amp main service panel with a new 200amp main service panel. | $5,000 | [BRCM-26-016780](https://nearbypermits.com/baltimore/permit/BRCM-26-016780/) |
| Aug 5, 2026 | [4111 Wentworth Rd](https://nearbypermits.com/baltimore/address/4111-wentworth-rd/) | 590 ft SW | Mechanical (HVAC) | Replace existing 2.5 ton heat pump, air handler and heating package | $11,521 | [BRCM-26-015992](https://nearbypermits.com/baltimore/permit/BRCM-26-015992/) |
| Jul 21, 2026 | [4136 W Forest Park Ave](https://nearbypermits.com/baltimore/address/4136-w-forest-park-ave/) | 640 ft S | Alteration or repair | interior drain line repair under slab | $500 | [BRCM-26-014885](https://nearbypermits.com/baltimore/permit/BRCM-26-014885/) |
| Jul 21, 2026 | [3315 Oakfield Ave](https://nearbypermits.com/baltimore/address/3315-oakfield-ave/) | 880 ft E | Alteration or repair | Scope of work: interior/exterior alterations: interior demolition (category i): renovate kitchen, new hardwood flooring, install new drywall, paint the entire house, install new 6 windows same size and place, replace 2 exterior doors same size and place, furring on perimeter walls and bulk heads (fr | $20,000 | [BRCM-26-010004](https://nearbypermits.com/baltimore/permit/BRCM-26-010004/) |
| Jul 7, 2026 | [4121 Kathland Ave](https://nearbypermits.com/baltimore/address/4121-kathland-ave/) | 570 ft W | Mechanical (HVAC) | Install new mini split system. Install 27k heat pump (mini split outdoor) and (2) 9k air handlers (mini split indoors) | $18,500 | [BRCM-26-014001](https://nearbypermits.com/baltimore/permit/BRCM-26-014001/) |
| Jul 1, 2026 | [4204 Ethland Ave](https://nearbypermits.com/baltimore/address/4204-ethland-ave/) | 830 ft SW | Mechanical (HVAC) | Hvac replace new duct work, | $5,000 | [BRCM-26-013694](https://nearbypermits.com/baltimore/permit/BRCM-26-013694/) |
| Jun 29, 2026 | [4204 Ethland Ave](https://nearbypermits.com/baltimore/address/4204-ethland-ave/) | 830 ft SW | Plumbing | Installation of 1 tankless water heater (200000 BTU) | $2,400 | [BRCM-26-013564](https://nearbypermits.com/baltimore/permit/BRCM-26-013564/) |
| Jun 27, 2026 | [4204 Ethland Ave](https://nearbypermits.com/baltimore/address/4204-ethland-ave/) | 830 ft SW | Electrical | install 200 amp service and insall 10 circuits | $3,000 | [BRCM-26-013457](https://nearbypermits.com/baltimore/permit/BRCM-26-013457/) |
| Jun 26, 2026 | [3315 Oakfield Ave](https://nearbypermits.com/baltimore/address/3315-oakfield-ave/) | 880 ft E | Alteration or repair | Removal of drywall, cabinets, carpets and all trash and debris from home. Demo only | $2,000 | [BRCM-26-012062](https://nearbypermits.com/baltimore/permit/BRCM-26-012062/) |
| Jun 26, 2026 | [4003 Springdale Ave](https://nearbypermits.com/baltimore/address/4003-springdale-ave/) | 530 ft E | Fence, wall or deck | Interior renovation of an existing single-family residence. Work includes replacement of flooring throughout the home, drywall repairs, interior painting of walls and ceilings, renovation of the existing kitchen, and renovation of existing bathrooms with new fixtures, finishes, tile, lighting, and a | $7,000 | [BRCM-26-011878](https://nearbypermits.com/baltimore/permit/BRCM-26-011878/) |
| Jun 25, 2026 | [4204 Ethland Ave](https://nearbypermits.com/baltimore/address/4204-ethland-ave/) | 830 ft SW | Mechanical (HVAC) | Existing layout to remain, contractor to Install new framing to run new ducts for installation of central A/C in this single-family home. Replace existing exterior front door. | $5,400 | [BRCM-26-012094](https://nearbypermits.com/baltimore/permit/BRCM-26-012094/) |
| Jun 24, 2026 | [4111 Springdale Ave](https://nearbypermits.com/baltimore/address/4111-springdale-ave/) | 380 ft NW | Fire systems | Installation of a Fire alarm system in residence to include one FACP, one communicator, 1 document box, 14 smoke detectors, 3 smoke/co detectors, 2 heat detectors, one waterflow switch, three tamper switches, 4 pull stations, 9 low frequency sounders, 8 horn strobes, and 3 strobes. as per plans as p | $3,000 | [BCCM-26-000711](https://nearbypermits.com/baltimore/permit/BCCM-26-000711/) |
| Jun 22, 2026 | [4214 Springdale Ave](https://nearbypermits.com/baltimore/address/4214-springdale-ave/) | 820 ft NW | Plumbing | New flooring, new interior walls, new interior doors, new kitchen, new bathrooms (plumbing fixtures not included in this permit). New basement stairs, insulation, replace existing windows same size & location, new lvl beam at living room, new 24 -5" x 14 -5" rear deck. as per code as per plans Appro | $120,000 | [BRCM-26-012812](https://nearbypermits.com/baltimore/permit/BRCM-26-012812/) |
| Jun 22, 2026 | [4104 Wentworth Rd](https://nearbypermits.com/baltimore/address/4104-wentworth-rd/) | 370 ft SW | Alteration or repair | Drywall repair kitchen wall replace 12 interior doors remodel existing kitchen and bathroom cabinets install new hardwood floor and tile throughout paint interior replace 3 exterior doors and 8 windows same size and location | $20,000 | [BRCM-26-010677](https://nearbypermits.com/baltimore/permit/BRCM-26-010677/) |
| Jun 21, 2026 | [4113 Kathland Ave](https://nearbypermits.com/baltimore/address/4113-kathland-ave/) | 360 ft W | Other | Gas pressure test | Not listed | [BRCM-26-012975](https://nearbypermits.com/baltimore/permit/BRCM-26-012975/) |
| Jun 17, 2026 | [4214 Springdale Ave](https://nearbypermits.com/baltimore/address/4214-springdale-ave/) | 820 ft NW | Mechanical (HVAC) | Install 80000 btu gas furnaces with (20 2 ton a/c systems and new ductwork | $3,000 | [BRCM-26-012328](https://nearbypermits.com/baltimore/permit/BRCM-26-012328/) |
| Jun 15, 2026 | [4136 W Forest Park Ave](https://nearbypermits.com/baltimore/address/4136-w-forest-park-ave/) | 640 ft S | Plumbing | exterior sewer line repair/replacement digging required | $300 | [BRCM-26-012479](https://nearbypermits.com/baltimore/permit/BRCM-26-012479/) |
| Jun 10, 2026 | [3315 Oakfield Ave](https://nearbypermits.com/baltimore/address/3315-oakfield-ave/) | 880 ft E | Electrical | Install 200 amp electrical service and 35 circuits | $15,000 | [BRCM-26-012051](https://nearbypermits.com/baltimore/permit/BRCM-26-012051/) |
| Jun 10, 2026 | [4104 Springdale Ave](https://nearbypermits.com/baltimore/address/4104-springdale-ave/) | 500 ft N | Plumbing | Gas range replacement | $140 | [BRCM-26-011843](https://nearbypermits.com/baltimore/permit/BRCM-26-011843/) |
| Jun 9, 2026 | [4214 Springdale Ave](https://nearbypermits.com/baltimore/address/4214-springdale-ave/) | 820 ft NW | Other | Rough in for 5-1/2 baths One laundry One sump pump | $500 | [BRCM-26-011982](https://nearbypermits.com/baltimore/permit/BRCM-26-011982/) |
| Jun 8, 2026 | [4214 Springdale Ave](https://nearbypermits.com/baltimore/address/4214-springdale-ave/) | 820 ft NW | Electrical | 200 amp 28 Circuits | $5,000 | [BRCM-26-012047](https://nearbypermits.com/baltimore/permit/BRCM-26-012047/) |
| Jun 5, 2026 | [4009 Springdale Ave](https://nearbypermits.com/baltimore/address/4009-springdale-ave/) | 400 ft E | Alteration or repair | Cat1 demo. NO CHANGE IN LAYOUT, NO STRUCTURAL FRAMING, Full Interior renovation of kitchen, bedrooms, bathrooms, which includes replacement of exterior siding, windows, exterior doors, and interior replacement of floors, cabinets, drywall and trash removal. AS PER CODE Approved For Work only. Subjec | $231,785 | [BRCM-25-017870](https://nearbypermits.com/baltimore/permit/BRCM-25-017870/) |
| Jun 2, 2026 | [3315 Oakfield Ave](https://nearbypermits.com/baltimore/address/3315-oakfield-ave/) | 880 ft E | Electrical | Plumbing work for 5.5 bathrooms, kitchen, laundry, waste, water and electrical water heater. Gas for 90k furnace and 50k stove. HVAC work for 2 ton AC, ductwork and 2 exhaust fans | $4,000 | [BRCM-26-010005](https://nearbypermits.com/baltimore/permit/BRCM-26-010005/) |
| May 14, 2026 | [4131 W Forest Park Ave](https://nearbypermits.com/baltimore/address/4131-w-forest-park-ave/) | 750 ft S | Fire systems | Adding a new fire alarm system for sprinkler monitoring and alarm notification. As per plans as per code. Approved For Work only. Subject to the permitted uses and regulations under the provisions of the Zoning Ordinance. | $8,500 | [BCCM-26-000573](https://nearbypermits.com/baltimore/permit/BCCM-26-000573/) |
| May 5, 2026 | [4205 Springdale Ave](https://nearbypermits.com/baltimore/address/4205-springdale-ave/) | 510 ft NW | Plumbing | Replace 40-gallon gas water heater, 38,000 btu with same, single-family dwelling | $1,000 | [BRCM-26-004409](https://nearbypermits.com/baltimore/permit/BRCM-26-004409/) |
| May 1, 2026 | [4300 Springdale Ave](https://nearbypermits.com/baltimore/address/4300-springdale-ave/) | 880 ft NW | Alteration or repair | Frame perimeter walls for insulation r21 and r49 bulkhead drywall repair replace 7 interior doors remodel existing kitchen and bathroom cabinets install new carpet or tile throughout paint interior repair and/or replace 10 windows same size and location | $15,000 | [BRCM-26-009290](https://nearbypermits.com/baltimore/permit/BRCM-26-009290/) |

### Farther (1,000 ft to ¼ mi), 15 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Oct 1, 2026 | [4306 Springdale Ave](https://nearbypermits.com/baltimore/address/4306-springdale-ave/) | 0.19 mi NW | Alteration or repair | Replace existing 4 ton ac and coil | $8,907 | [BRCM-26-020055](https://nearbypermits.com/baltimore/permit/BRCM-26-020055/) |
| Sep 22, 2026 | [4000 Norfolk Ave](https://nearbypermits.com/baltimore/address/4000-norfolk-ave/) | 0.22 mi SE | Roofing | We are removing the shed roof dormer and adding a gable roof dormer. Dormer is about 45 sqft. We are raising the roof height by approximately 2 ft. We will be installing vinyl siding on the wall sections and asphalt shingles on the roof. Interior is already under renovation on another permit. | $1,800 | [BRCM-26-016549](https://nearbypermits.com/baltimore/permit/BRCM-26-016549/) |
| Sep 21, 2026 | [4311 W Forest Park Ave](https://nearbypermits.com/baltimore/address/4311-w-forest-park-ave/) | 0.20 mi SW | Plumbing | Replace sewer line from house to street | $2,000 | [BRCM-26-019271](https://nearbypermits.com/baltimore/permit/BRCM-26-019271/) |
| Sep 21, 2026 | [4209 Ethland Ave](https://nearbypermits.com/baltimore/address/4209-ethland-ave/) | 0.20 mi SW | Plumbing | 40 gallon natural gas water heater replacement like for like | $1,070 | [BRCM-26-019155](https://nearbypermits.com/baltimore/permit/BRCM-26-019155/) |
| Sep 18, 2026 | [4315 W Forest Park Ave](https://nearbypermits.com/baltimore/address/4315-w-forest-park-ave/) | 0.21 mi SW | Alteration or repair | SCOPE OF WORK: ---- EXTERIOR ALTERATIONS ---- - Replacement masonry pier at NW corner of sunroom wing (first floor) AS PER PLANS AND AS PER CODE. | $1,600 | [BRCM-26-018375](https://nearbypermits.com/baltimore/permit/BRCM-26-018375/) |
| Aug 31, 2026 | [4135 Norfolk Ave](https://nearbypermits.com/baltimore/address/4135-norfolk-ave/) | 0.19 mi SE | Alteration or repair | Interior cosmetic alterations to include: install new stair rail and banisters (above grade). Install carpet upstairs.. Install new half bathroom on 1st floor (to create new partition walls and finishes). Minor cosmetic repairs and painting, all work will be done per baltimore city code. Separate pl | $10,000 | [BRCM-26-017832](https://nearbypermits.com/baltimore/permit/BRCM-26-017832/) |
| Jul 31, 2026 | [4310 Ethland Ave](https://nearbypermits.com/baltimore/address/4310-ethland-ave/) | 0.23 mi W | Other |  | $8,000 | [BRCM-26-013057](https://nearbypermits.com/baltimore/permit/BRCM-26-013057/) |
| Jul 27, 2026 | [4004 Maine Ave](https://nearbypermits.com/baltimore/address/4004-maine-ave/) | 0.20 mi NE | Mechanical (HVAC) | replaced existing with RA15AY 3 ton air conditioner | $9,980 | [BRCM-26-015361](https://nearbypermits.com/baltimore/permit/BRCM-26-015361/) |
| Jul 27, 2026 | [4313 Maine Ave](https://nearbypermits.com/baltimore/address/4313-maine-ave/) | 0.24 mi NW | Alteration or repair | Exact Replacement of French Drain Around Entire Perimeter of Basement Foundation Walls. Approved For Work only. Subject to the permitted uses and regulations under the provisions of the Zoning Ordinance. As per code. | $550 | [BRCM-26-014822](https://nearbypermits.com/baltimore/permit/BRCM-26-014822/) |
| Jul 10, 2026 | [4000 Norfolk Ave](https://nearbypermits.com/baltimore/address/4000-norfolk-ave/) | 0.22 mi SE | Mechanical (HVAC) | Installation of; 2 HVAC systems with ductwork. | $7,000 | [BRCM-26-014202](https://nearbypermits.com/baltimore/permit/BRCM-26-014202/) |
| Jul 9, 2026 | [4000 Norfolk Ave](https://nearbypermits.com/baltimore/address/4000-norfolk-ave/) | 0.22 mi SE | Plumbing | waste and vent, gas piping, water piping, installing fixtures | $4,500 | [BRCM-26-014148](https://nearbypermits.com/baltimore/permit/BRCM-26-014148/) |
| Jul 7, 2026 | [4000 Norfolk Ave](https://nearbypermits.com/baltimore/address/4000-norfolk-ave/) | 0.22 mi SE | Electrical | Rewire house to code | $4,500 | [BRCM-26-014013](https://nearbypermits.com/baltimore/permit/BRCM-26-014013/) |
| Jun 18, 2026 | [4105 Liberty Heights Ave](https://nearbypermits.com/baltimore/address/4105-liberty-heights-ave/) | 0.22 mi N | Electrical | Install (1) 200 amps electric service up to 600v (#amps) as per code. | $2,200 | [BRCM-26-012773](https://nearbypermits.com/baltimore/permit/BRCM-26-012773/) |
| Jun 16, 2026 | [4103 Liberty Heights Ave](https://nearbypermits.com/baltimore/address/4103-liberty-heights-ave/) | 0.22 mi N | Fence, wall or deck | Existing steps. Non estructural. Rear exterior step repair, kickplates, graspable hand railing, pickets | $2,000 | [BCCM-26-002664](https://nearbypermits.com/baltimore/permit/BCCM-26-002664/) |
| Jun 3, 2026 | [4000 Norfolk Ave](https://nearbypermits.com/baltimore/address/4000-norfolk-ave/) | 0.22 mi SE | Alteration or repair | SCOPE OF WORK: ------ INTERIOR/EXTERIOR ALTERATIONS ------- - CAT I DEMO:Selective demolition and renovation of existing single-family dwelling. - Install non-structural interior framing for revised room layouts (including attic build-out), with new insulation in the attic area, drywall, trim, and p | $147,000 | [BRCM-26-010127](https://nearbypermits.com/baltimore/permit/BRCM-26-010127/) |

## Zoning requests nearby

We don't list zoning cases for Baltimore yet. Look them up on the city's Baltimore Municipal Zoning and Appeals Board page: https://www.baltimorecity.gov/mayor/our-work/boards-commissions/boards/baltimore-municipal-zoning-and-appeals-board-bmza

## More on this street

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

- [4101 Kathland Ave](https://nearbypermits.com/baltimore/address/4101-kathland-ave/): newest permit Aug 27, 2025
- [4110 Kathland Ave](https://nearbypermits.com/baltimore/address/4110-kathland-ave/): newest permit Dec 13, 2025
- [4113 Kathland Ave](https://nearbypermits.com/baltimore/address/4113-kathland-ave/): newest permit Jun 21, 2026
- [4115 Kathland Ave](https://nearbypermits.com/baltimore/address/4115-kathland-ave/): newest permit Aug 20, 2025
- [4117 Kathland Ave](https://nearbypermits.com/baltimore/address/4117-kathland-ave/): newest permit Jul 9, 2025
- [4121 Kathland Ave](https://nearbypermits.com/baltimore/address/4121-kathland-ave/): newest permit Jul 7, 2026
- [4122 Kathland Ave](https://nearbypermits.com/baltimore/address/4122-kathland-ave/): newest permit Aug 16, 2025
- [4123 Kathland Ave](https://nearbypermits.com/baltimore/address/4123-kathland-ave/): newest permit Sep 10, 2026
- [4016 Kathland Ave](https://nearbypermits.com/baltimore/address/4016-kathland-ave/): newest permit Jul 27, 2026
- [4011 Kathland Ave](https://nearbypermits.com/baltimore/address/4011-kathland-ave/): newest permit Sep 16, 2026

---
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 2026-10-14 09:55 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Map, the one permit at this address and 51 nearby: https://nearbypermits.com/baltimore/address/4100-kathland-ave/