# Building permits at 4801 Walther Ave, Baltimore, MD Three permits on record here. The newest, Oct 10, 2025: Replace 40-gallon 38,000 BTU gas water heater with same. Within a quarter mile, the city has issued 26 more permits since May 1. ## At this address | Date | Type | Work | Cost | Permit | |---|---|---|---|---| | Oct 10, 2025 | Plumbing | replace 40-gallon 38,000 BTU gas water heater with same | $3,294 | [BRCM-25-018800](https://nearbypermits.com/baltimore/permit/BRCM-25-018800/) | | Apr 15, 2021 | Fence, wall or deck | scope of work: exterior alterations to include: shed installation construct an 8'x12' shed with 7' walls, all work will be done according to baltimore city code and per submitted drawing (*notes: 1. shed should be anchored) | $3,500 | [COM2021-60967](https://nearbypermits.com/baltimore/permit/COM2021-60967/) | | Mar 10, 2021 | Electrical | install (1) 200 amps electric service up to 600v (#amps) as per code. | $1,000 | [COM2021-57302](https://nearbypermits.com/baltimore/permit/COM2021-57302/) | ## Within ¼ mi since May 1, 2026 26 permits in the circle. From our copy of the city's data (last 24 months). ### This block (250 to 1,000 ft), 13 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Oct 7, 2026 | [3317 Rosekemp Ave](https://nearbypermits.com/baltimore/address/3317-rosekemp-ave/) | 550 ft W | Alteration or repair | Replace existing 2ooa service conductor and service feeders with new | $3,000 | [BRCM-26-020448](https://nearbypermits.com/baltimore/permit/BRCM-26-020448/) | | Oct 6, 2026 | [3512 Ailsa Ave](https://nearbypermits.com/baltimore/address/3512-ailsa-ave/) | 750 ft NE | Plumbing | Gas Dryer Replacement | $140 | [BRCM-26-019875](https://nearbypermits.com/baltimore/permit/BRCM-26-019875/) | | Oct 5, 2026 | [4808 Walther Ave](https://nearbypermits.com/baltimore/address/4808-walther-ave/) | 290 ft N | Alteration or repair | Replace exterior door thru the home depot - same size, $500 - geraldine day h: | $500 | [BRCM-26-020251](https://nearbypermits.com/baltimore/permit/BRCM-26-020251/) | | Sep 15, 2026 | [3600 Woodlea Ave](https://nearbypermits.com/baltimore/address/3600-woodlea-ave/) | 660 ft E | Electrical | (1) 20 amp circuit replacement for exterior outlet. | $1,000 | [BRCM-26-018834](https://nearbypermits.com/baltimore/permit/BRCM-26-018834/) | | Sep 14, 2026 | [3317 Rosekemp Ave](https://nearbypermits.com/baltimore/address/3317-rosekemp-ave/) | 550 ft W | Solar | Scope of work: Exterior alterations to include: Solar panel installation: Installation of 3.69kw (9) roof-mounted solar modules and (1) 11kw TESLA Powerwall as per code as per plans/specifications | $9,000 | [BRCM-26-018193](https://nearbypermits.com/baltimore/permit/BRCM-26-018193/) | | Sep 11, 2026 | [5001 Holder Ave](https://nearbypermits.com/baltimore/address/5001-holder-ave/) | 970 ft NE | Solar | Scope of work: ---- exterior alterations ---- - install 26 modules - roof mounted solar panels - 11.440 kwdc; silfab solar sil-440 qd-dca2 (440w) modules as per plans and as per code | $2,300 | [BRCM-26-016726](https://nearbypermits.com/baltimore/permit/BRCM-26-016726/) | | Aug 7, 2026 | [3206 Rosekemp Ave](https://nearbypermits.com/baltimore/address/3206-rosekemp-ave/) | 940 ft W | Alteration or repair | Reconstruction of water, waste and vent systems for a second floor master bathroom remodel. | $5,500 | [BRCM-26-016191](https://nearbypermits.com/baltimore/permit/BRCM-26-016191/) | | Jul 27, 2026 | [4706 Walther Ave](https://nearbypermits.com/baltimore/address/4706-walther-ave/) | 550 ft W | Plumbing | Replace water heater | $1,000 | [BRCM-26-015168](https://nearbypermits.com/baltimore/permit/BRCM-26-015168/) | | Jul 2, 2026 | [3309 Rosekemp Ave](https://nearbypermits.com/baltimore/address/3309-rosekemp-ave/) | 750 ft W | Other | Replacement AC | $5,000 | [BRCM-26-013722](https://nearbypermits.com/baltimore/permit/BRCM-26-013722/) | | Jul 2, 2026 | [3206 Rosekemp Ave](https://nearbypermits.com/baltimore/address/3206-rosekemp-ave/) | 940 ft W | Plumbing | Replace gas dryer | $140 | [BRCM-26-013655](https://nearbypermits.com/baltimore/permit/BRCM-26-013655/) | | Jun 8, 2026 | [3605 Ailsa Ave](https://nearbypermits.com/baltimore/address/3605-ailsa-ave/) | 780 ft E | Other | | $500 | [BRCM-26-011336](https://nearbypermits.com/baltimore/permit/BRCM-26-011336/) | | Jun 3, 2026 | [4629 Walther Ave](https://nearbypermits.com/baltimore/address/4629-walther-ave/) | 890 ft SW | Plumbing | replace gas range | $150 | [BRCM-26-011627](https://nearbypermits.com/baltimore/permit/BRCM-26-011627/) | | May 19, 2026 | [3600 Woodlea Ave](https://nearbypermits.com/baltimore/address/3600-woodlea-ave/) | 660 ft E | Fence, wall or deck | Scope of work: exterior alterations to include: deck construction: construct a 10 x 10 open wood deck, no steps, on a single family dwelling in rear yard as per code as per plans | $7,395 | [BRCM-26-010433](https://nearbypermits.com/baltimore/permit/BRCM-26-010433/) | ### Farther (1,000 ft to ¼ mi), 13 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Oct 7, 2026 | [4639 Harcourt Rd](https://nearbypermits.com/baltimore/address/4639-harcourt-rd/) | 0.21 mi SW | Mechanical (HVAC) | Install furnace, air conditioner, duct, bath fans and dryer | $8,500 | [BRCM-26-020366](https://nearbypermits.com/baltimore/permit/BRCM-26-020366/) | | Sep 25, 2026 | [4639 Harcourt Rd](https://nearbypermits.com/baltimore/address/4639-harcourt-rd/) | 0.21 mi SW | Alteration or repair | Keep the same design; renovate the second-floor bathroom (floor and wall tile); repaint the walls on the first and second floors; sand and paint the wood flooring; replace kitchen cabinets; install drywall around the basement; and renovate the basement bathroom. | $27,500 | [BRCM-26-019060](https://nearbypermits.com/baltimore/permit/BRCM-26-019060/) | | Aug 31, 2026 | [4636 Harcourt Rd](https://nearbypermits.com/baltimore/address/4636-harcourt-rd/) | 0.21 mi SW | Plumbing | under slab camera inspection We will inspect French drain with camera and determine if it covers the perimeter interior of basement. We will then install customer supplied vanity for bathroom in basement securing drain assembly and water lines. All work will be thoroughly tested for leaks upon compl | $1,337 | [BRCM-26-016487](https://nearbypermits.com/baltimore/permit/BRCM-26-016487/) | | Aug 13, 2026 | [4625 Harcourt Rd](https://nearbypermits.com/baltimore/address/4625-harcourt-rd/) | 0.25 mi SW | Other | Install 10 LF Basement Gutter and 1 sump pump | $3,378 | [BRCM-26-016632](https://nearbypermits.com/baltimore/permit/BRCM-26-016632/) | | Jul 28, 2026 | [5011 Crosswood Ave](https://nearbypermits.com/baltimore/address/5011-crosswood-ave/) | 0.20 mi E | Alteration or repair | Replace exterior doors thru the home depot - same size, $500 - misty simpkins h: | $500 | [BRCM-26-014651](https://nearbypermits.com/baltimore/permit/BRCM-26-014651/) | | Jul 27, 2026 | [3702 Ridgecroft Rd](https://nearbypermits.com/baltimore/address/3702-ridgecroft-rd/) | 0.20 mi E | Plumbing | Gas Range Replacement | $140 | [BRCM-26-015033](https://nearbypermits.com/baltimore/permit/BRCM-26-015033/) | | Jul 2, 2026 | [3804 Southern Ave](https://nearbypermits.com/baltimore/address/3804-southern-ave/) | 0.23 mi SE | Other | | $500 | [BRCM-26-013747](https://nearbypermits.com/baltimore/permit/BRCM-26-013747/) | | Jun 4, 2026 | [5103 Pembroke Ave](https://nearbypermits.com/baltimore/address/5103-pembroke-ave/) | 0.23 mi E | Mechanical (HVAC) | Replacement of AC system and Gas Furnace | $7,250 | [BRCM-26-011769](https://nearbypermits.com/baltimore/permit/BRCM-26-011769/) | | Jun 4, 2026 | [5006 Walther Ave](https://nearbypermits.com/baltimore/address/5006-walther-ave/) | 0.20 mi NE | Solar | Installation of 13 roof mounted solar panels with energy storage system. 5.33kw. As per plans and as per code. | $10,127 | [BRCM-26-003330](https://nearbypermits.com/baltimore/permit/BRCM-26-003330/) | | Jun 3, 2026 | [5100 Walther Ave](https://nearbypermits.com/baltimore/address/5100-walther-ave/) | 0.24 mi NE | Other | | $5,475 | [BRCM-26-010153](https://nearbypermits.com/baltimore/permit/BRCM-26-010153/) | | May 20, 2026 | [3803 Woodlea Ave](https://nearbypermits.com/baltimore/address/3803-woodlea-ave/) | 0.23 mi SE | Plumbing | exterior water service line repair/replacement NO ROW NO CURB CUT NO ENCROACHMENT | $300 | [BRCM-26-010465](https://nearbypermits.com/baltimore/permit/BRCM-26-010465/) | | May 14, 2026 | [3200 Cedarhurst Rd](https://nearbypermits.com/baltimore/address/3200-cedarhurst-rd/) | 0.22 mi W | Plumbing | Remove old boiler. Install 96,000 btu gas boiler with 1/2 backflow device. | $8,903 | [BRCM-26-010281](https://nearbypermits.com/baltimore/permit/BRCM-26-010281/) | | May 12, 2026 | [5011 Edgar Ter](https://nearbypermits.com/baltimore/address/5011-edgar-ter/) | 0.22 mi NE | Alteration or repair | Scope of Work: Exterior alterations to include: amend permit BRCM-26-008395 to add following work: installation 100 linear feet of 42 high picket fencing on the side of the property, 4x4 posts, 8 feet apart on minimum of 12 deep footers as per code as per sketch *Notes: 1. all fencing and footer wor | $4,500 | [BRCM-26-009884](https://nearbypermits.com/baltimore/permit/BRCM-26-009884/) | ## 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 Walther Ave with permits, nearest house number first: - [4800 Walther Ave](https://nearbypermits.com/baltimore/address/4800-walther-ave/): newest permit Jul 11, 2025 - [4802 Walther Ave](https://nearbypermits.com/baltimore/address/4802-walther-ave/): newest permit Jul 30, 2025 - [4808 Walther Ave](https://nearbypermits.com/baltimore/address/4808-walther-ave/): newest permit Oct 5, 2026 - [4813 Walther Ave](https://nearbypermits.com/baltimore/address/4813-walther-ave/): newest permit Apr 9, 2026 - [4725 Walther Ave](https://nearbypermits.com/baltimore/address/4725-walther-ave/): newest permit Apr 3, 2025 - [4709 Walther Ave](https://nearbypermits.com/baltimore/address/4709-walther-ave/): newest permit Feb 11, 2026 - [4707 Walther Ave](https://nearbypermits.com/baltimore/address/4707-walther-ave/): newest permit Feb 18, 2026 - [4706 Walther Ave](https://nearbypermits.com/baltimore/address/4706-walther-ave/): newest permit Jul 27, 2026 - [4702 Walther Ave](https://nearbypermits.com/baltimore/address/4702-walther-ave/): newest permit Feb 13, 2026 - [4900 Walther Ave](https://nearbypermits.com/baltimore/address/4900-walther-ave/): newest permit Dec 11, 2025 --- 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 2026-10-12 07:21 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/ Map, all 3 permits at this address and 26 nearby: https://nearbypermits.com/baltimore/address/4801-walther-ave/