# Building permits at 3901 Sinclair Ln, Baltimore, MD New buildings permitted at two addresses within 150 ft since May 1, the largest $50,000. Two permits on record here. The newest, Jun 4, 2025: Permit, no description from the city. Within a quarter mile, the city has issued 43 more permits since May 1. The nearest permit for a new building is 110 ft away. ## At this address | Date | Type | Work | Cost | Permit | |---|---|---|---|---| | Jun 4, 2025 | Other | | $1,500 | [BRCM-25-001718](https://nearbypermits.com/baltimore/permit/BRCM-25-001718/) | | Mar 3, 2025 | Other | | Not listed | [BRCM-25-001451](https://nearbypermits.com/baltimore/permit/BRCM-25-001451/) | ## Within ¼ mi since May 1, 2026 43 permits in the circle. From our copy of the city's data (last 24 months). ### Next door (under 250 ft), 28 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Sep 30, 2026 | [3909 Sinclair Ln](https://nearbypermits.com/baltimore/address/3909-sinclair-ln/) | 150 ft E | Fire systems | Fire sprinkler per NFPA 13d | $1,500 | [BRCM-26-017806](https://nearbypermits.com/baltimore/permit/BRCM-26-017806/) | | Sep 30, 2026 | [3907 Sinclair Ln](https://nearbypermits.com/baltimore/address/3907-sinclair-ln/) | 120 ft E | Fire systems | Fire sprinkler per NFPA 13d | $1,500 | [BRCM-26-017805](https://nearbypermits.com/baltimore/permit/BRCM-26-017805/) | | Sep 30, 2026 | [3905 Sinclair Ln](https://nearbypermits.com/baltimore/address/3905-sinclair-ln/) | 110 ft E | Fire systems | Fire sprinkler per NFPA 13d | $1,500 | [BRCM-26-017804](https://nearbypermits.com/baltimore/permit/BRCM-26-017804/) | | Sep 30, 2026 | [3903 Sinclair Ln](https://nearbypermits.com/baltimore/address/3903-sinclair-ln/) | 80 ft E | Fire systems | Fire sprinkler per NFPA 13d | $1,500 | [BRCM-26-017803](https://nearbypermits.com/baltimore/permit/BRCM-26-017803/) | | Sep 22, 2026 | [3908 Arbor View](https://nearbypermits.com/baltimore/address/3908-arbor-view/) | 220 ft E | Electrical | Install (1) 200 amps new electrical meter, (1) 200 amps electric service (>600v) (99) fixtures/devices, (1) fixture/device,23 branch circuits/feeders as per code | $20,000 | [BRCM-26-018859](https://nearbypermits.com/baltimore/permit/BRCM-26-018859/) | | Sep 22, 2026 | [3902 Arbor View](https://nearbypermits.com/baltimore/address/3902-arbor-view/) | 180 ft SE | Electrical | Install (1) 200 amps new electrical meter, (1) 200 amps electric service (>600v) (99) fixtures/devices, (1) fixture/device,23 branch circuits/feeders as per code | $20,000 | [BRCM-26-018845](https://nearbypermits.com/baltimore/permit/BRCM-26-018845/) | | Sep 17, 2026 | [3909 Sinclair Ln](https://nearbypermits.com/baltimore/address/3909-sinclair-ln/) | 150 ft E | Other | Install duct work with 2 ton airhandler and 2 ton heatpump install 2 50 cfm bath fans and venting and 1 50 cfm dryer vent | $10,000 | [BRCM-26-018776](https://nearbypermits.com/baltimore/permit/BRCM-26-018776/) | | Sep 16, 2026 | [3904 Arbor View](https://nearbypermits.com/baltimore/address/3904-arbor-view/) | 200 ft E | Electrical | Install (1) 200 amps new electrical meter, (1) 200 amps electric service (>600v) (99) fixtures/devices, (1) fixture/device,23 branch circuits/feeders as per code | $20,000 | [BRCM-26-018848](https://nearbypermits.com/baltimore/permit/BRCM-26-018848/) | | Sep 15, 2026 | [3906 Arbor View](https://nearbypermits.com/baltimore/address/3906-arbor-view/) | 210 ft E | Electrical | Install (1) 200 amps new electrical meter, (1) 200 amps electric service ( | $20,000 | [BRCM-26-018857](https://nearbypermits.com/baltimore/permit/BRCM-26-018857/) | | Sep 14, 2026 | [3907 Sinclair Ln](https://nearbypermits.com/baltimore/address/3907-sinclair-ln/) | 120 ft E | Other | Install duct work with 2 ton airhandler and 2 ton heatpump per code install venting for 3 bath fans and 1 dryer vent | $10,000 | [BRCM-26-018761](https://nearbypermits.com/baltimore/permit/BRCM-26-018761/) | | Sep 14, 2026 | [3908 Arbor View](https://nearbypermits.com/baltimore/address/3908-arbor-view/) | 220 ft E | Other | Construct New Exterior End of Group Single Family Townhome (1500sf, 12000cf) Child to Parent Record #BRCM-25-023575 (3902 Arbor View), whose drawing set will be utilized at this site. | $50,000 | [BRCM-25-023596](https://nearbypermits.com/baltimore/permit/BRCM-25-023596/) | | Sep 14, 2026 | [3906 Arbor View](https://nearbypermits.com/baltimore/address/3906-arbor-view/) | 210 ft E | Fire systems | Construct new Single-Family Townhouse (1500sf, 19200cf). Separate permit will be required for electrical, mechanical, plumbing work, and sprinkler system. As per plans and as per code. Child to Parent Record #BRCM-25-023575 (3902 Arbor View), whose drawing set will be utilized at this parcel. | $50,000 | [BRCM-25-023589](https://nearbypermits.com/baltimore/permit/BRCM-25-023589/) | | Sep 14, 2026 | [3904 Arbor View](https://nearbypermits.com/baltimore/address/3904-arbor-view/) | 200 ft E | Alteration or repair | Construct New Interior Single Family Dwelling Townhome (1500sf; 12000cf) as per code as per plans Child to Parent Record #BRCM-25-023575 (3902 Arbor View), whose drawing set will be utilized at this parcel. Approved For Work only. Subject to the permitted uses and regulations under the provisions of | $50,000 | [BRCM-25-023578](https://nearbypermits.com/baltimore/permit/BRCM-25-023578/) | | Sep 14, 2026 | [3902 Arbor View](https://nearbypermits.com/baltimore/address/3902-arbor-view/) | 180 ft SE | Fire systems | Scope of work: Exterior alterations to include: Construct New SFD Exterior End of Group Townhouse (1500 SF, 12000 CF) Parent to associated applications for 3904, 3906, 3908 Arbor View as per code as per plans, *Separate permit will be required for sprinkler | $50,000 | [BRCM-25-023575](https://nearbypermits.com/baltimore/permit/BRCM-25-023575/) | | Sep 3, 2026 | [3905 Sinclair Ln](https://nearbypermits.com/baltimore/address/3905-sinclair-ln/) | 110 ft E | Other | install 2 ton airhandler and 2 ton heatpump per code install 2 50cfm bath fans and 1 50cfm dryer vent | $10,000 | [BRCM-26-017232](https://nearbypermits.com/baltimore/permit/BRCM-26-017232/) | | Sep 3, 2026 | [3903 Sinclair Ln](https://nearbypermits.com/baltimore/address/3903-sinclair-ln/) | 80 ft E | Other | install duct work with 2 ton airhandler and 2 ton heatpump install 2 50cfm bath fans and 1 50cfm dryer vent | $10,000 | [BRCM-26-017225](https://nearbypermits.com/baltimore/permit/BRCM-26-017225/) | | Jul 16, 2026 | [3907 Sinclair Ln](https://nearbypermits.com/baltimore/address/3907-sinclair-ln/) | 120 ft E | Electrical | Install (1) 200 amps new electrical meter, (1) 200 amps electric service (>600v) (99) fixtures/devices, (1) fixture/device,23 branch circuits/feeders as per code | $20,000 | [BRCM-26-012900](https://nearbypermits.com/baltimore/permit/BRCM-26-012900/) | | Jul 15, 2026 | [3909 Sinclair Ln](https://nearbypermits.com/baltimore/address/3909-sinclair-ln/) | 150 ft E | Plumbing | Rough in for 10 plumbing fixtures reconstruct the waste and water, no gas new outside water and sewer | $3,000 | [BRCM-26-014127](https://nearbypermits.com/baltimore/permit/BRCM-26-014127/) | | Jul 15, 2026 | [3907 Sinclair Ln](https://nearbypermits.com/baltimore/address/3907-sinclair-ln/) | 120 ft E | Plumbing | Rough in for 10 plumbing fixtures, reconstruct the waste and water, no gas new outside water and sewer lines. | $3,000 | [BRCM-26-014126](https://nearbypermits.com/baltimore/permit/BRCM-26-014126/) | | Jul 8, 2026 | [3905 Sinclair Ln](https://nearbypermits.com/baltimore/address/3905-sinclair-ln/) | 110 ft E | Plumbing | Rough in for 10 plumbing fixtures, reconstruct the waste and water, no gas, new outside water and sewer | $3,000 | [BRCM-26-014088](https://nearbypermits.com/baltimore/permit/BRCM-26-014088/) | | Jul 8, 2026 | [3903 Sinclair Ln](https://nearbypermits.com/baltimore/address/3903-sinclair-ln/) | 80 ft E | Electrical | (NO ROW WORK) Rough in for 10 plumbing fixtures, backflow, electric water heater, reconstruct the waste and water, no gas, new outside water and sewer pipes | $3,000 | [BRCM-26-014087](https://nearbypermits.com/baltimore/permit/BRCM-26-014087/) | | Jun 24, 2026 | [3909 Sinclair Ln](https://nearbypermits.com/baltimore/address/3909-sinclair-ln/) | 150 ft E | Electrical | Install (1) 200 amps new electrical meter, (1) 200 amps electric service (>600v) (99) fixtures/devices, (1) fixture/device,23 branch circuits/feeders as per code | $20,000 | [BRCM-26-012901](https://nearbypermits.com/baltimore/permit/BRCM-26-012901/) | | Jun 24, 2026 | [3903 Sinclair Ln](https://nearbypermits.com/baltimore/address/3903-sinclair-ln/) | 80 ft E | Electrical | Install (1) 200 amps new electrical meter, (1) 200 amps electric service (>600v) (99) fixtures/devices, (1) fixture/device,23 branch circuits/feeders as per code | $20,000 | [BRCM-26-012897](https://nearbypermits.com/baltimore/permit/BRCM-26-012897/) | | Jun 23, 2026 | [3905 Sinclair Ln](https://nearbypermits.com/baltimore/address/3905-sinclair-ln/) | 110 ft E | Electrical | Install (1) 200 amps new electrical meter, (1) 200 amps electric service (>600v) (99) fixtures/devices, (1) fixture/device,23 branch circuits/feeders as per code | $20,000 | [BRCM-26-012898](https://nearbypermits.com/baltimore/permit/BRCM-26-012898/) | | Jun 3, 2026 | [3909 Sinclair Ln](https://nearbypermits.com/baltimore/address/3909-sinclair-ln/) | 150 ft E | Other | Construct New Exterior End of Group Single Family Dwelling Townhouse Child to Parent Record BRCM-25-023568 (3903 Sinclair Lane), whose drawing set will be utilized at this parcel. | $50,000 | [BRCM-25-023572](https://nearbypermits.com/baltimore/permit/BRCM-25-023572/) | | Jun 3, 2026 | [3907 Sinclair Ln](https://nearbypermits.com/baltimore/address/3907-sinclair-ln/) | 120 ft E | New building | Construct New SFD Interior Townhouse (1500 SF, 12000 CF) Child to Parent Record BRCM-25-023568 (3903 Sinclair Lane), whose drawing set will be utilized at this parcel. | $50,000 | [BRCM-25-023571](https://nearbypermits.com/baltimore/permit/BRCM-25-023571/) | | Jun 3, 2026 | [3905 Sinclair Ln](https://nearbypermits.com/baltimore/address/3905-sinclair-ln/) | 110 ft E | New building | Construct new Single Family Interior Townhome. Child to Parent Record BRCM-25-023568 (3903 Sinclair Lane), whose drawing set will be utilized at this parcel. | $50,000 | [BRCM-25-023570](https://nearbypermits.com/baltimore/permit/BRCM-25-023570/) | | Jun 3, 2026 | [3903 Sinclair Ln](https://nearbypermits.com/baltimore/address/3903-sinclair-ln/) | 80 ft E | Fire systems | Scope of work: Alterations to include: Construct New Single Family End of Group Townhouse (1500SF / 12000 CF) Parent to associated applications for 3905, 3907, and 3909 Sinclair Lane, as per code as per plans, Separate permit for sprinkler and MEP work | $50,000 | [BRCM-25-023568](https://nearbypermits.com/baltimore/permit/BRCM-25-023568/) | ### This block (250 to 1,000 ft), 6 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Sep 25, 2026 | [3930 Kenyon Ave](https://nearbypermits.com/baltimore/address/3930-kenyon-ave/) | 880 ft NW | Mechanical (HVAC) | Replacement of Gas Furnace and AC | $6,200 | [BRCM-26-019637](https://nearbypermits.com/baltimore/permit/BRCM-26-019637/) | | Sep 24, 2026 | [4005 Chesterfield Ave](https://nearbypermits.com/baltimore/address/4005-chesterfield-ave/) | 930 ft W | Electrical | Minor Electrical Kitchen refresh | $500 | [BRCM-26-019506](https://nearbypermits.com/baltimore/permit/BRCM-26-019506/) | | Aug 24, 2026 | [4020 Balfern Ave](https://nearbypermits.com/baltimore/address/4020-balfern-ave/) | 580 ft N | Alteration or repair | Replace exterior door thru the home depot - same size, $500 - green-bey, evonda d. H: | $500 | [BRCM-26-015208](https://nearbypermits.com/baltimore/permit/BRCM-26-015208/) | | Aug 21, 2026 | [4114 Raymonn Ave](https://nearbypermits.com/baltimore/address/4114-raymonn-ave/) | 760 ft NE | Other | | $1,500 | [BRCM-26-017195](https://nearbypermits.com/baltimore/permit/BRCM-26-017195/) | | Aug 3, 2026 | [3928 Dudley Ave](https://nearbypermits.com/baltimore/address/3928-dudley-ave/) | 720 ft NW | Plumbing | repalce gas range 52k btus | $150 | [BRCM-26-015737](https://nearbypermits.com/baltimore/permit/BRCM-26-015737/) | | May 18, 2026 | [3900 Elmora Ave](https://nearbypermits.com/baltimore/address/3900-elmora-ave/) | 920 ft N | Electrical | Replace the main electrical service cable.Line side only | $1,400 | [BRCM-26-010360](https://nearbypermits.com/baltimore/permit/BRCM-26-010360/) | ### Farther (1,000 ft to ¼ mi), 9 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Sep 25, 2026 | [4017 Lyndale Ave](https://nearbypermits.com/baltimore/address/4017-lyndale-ave/) | 0.24 mi N | Other | Replacement of Split System Heatpump | $8,000 | [BRCM-26-019631](https://nearbypermits.com/baltimore/permit/BRCM-26-019631/) | | Sep 25, 2026 | [3691 Dudley Ave](https://nearbypermits.com/baltimore/address/3691-dudley-ave/) | 0.22 mi NW | Mechanical (HVAC) | Direct replacement of 60K BTU gas furnace with equipment of same size and location. | $5,100 | [BRCM-26-019626](https://nearbypermits.com/baltimore/permit/BRCM-26-019626/) | | Sep 16, 2026 | [4129 Shannon Dr](https://nearbypermits.com/baltimore/address/4129-shannon-dr/) | 0.22 mi NE | Electrical | Replace a 100 amp service and install 14 circuits | $11,000 | [BRCM-26-018963](https://nearbypermits.com/baltimore/permit/BRCM-26-018963/) | | Aug 28, 2026 | [3829 Ravenwood Ave](https://nearbypermits.com/baltimore/address/3829-ravenwood-ave/) | 0.21 mi W | Plumbing | Replace 40-gallon 38,000 Btu gas water heater with the same. | $2,383 | [BRCM-26-017434](https://nearbypermits.com/baltimore/permit/BRCM-26-017434/) | | Jun 30, 2026 | [3818 Sinclair Ln](https://nearbypermits.com/baltimore/address/3818-sinclair-ln/) | 0.23 mi W | Plumbing | replace gas range | $150 | [BRCM-26-013484](https://nearbypermits.com/baltimore/permit/BRCM-26-013484/) | | Jun 29, 2026 | [3695 Kenyon Ave](https://nearbypermits.com/baltimore/address/3695-kenyon-ave/) | 0.24 mi NW | Alteration or repair | Renewal by andersen to remove and replace 6 windows, no structural changes, no widening of existing openings | $8,139 | [BRCM-26-013431](https://nearbypermits.com/baltimore/permit/BRCM-26-013431/) | | Jun 11, 2026 | [3900 Kenyon Ave](https://nearbypermits.com/baltimore/address/3900-kenyon-ave/) | 0.21 mi NW | Plumbing | 48K btu gas range replacement with same | $140 | [BRCM-26-011855](https://nearbypermits.com/baltimore/permit/BRCM-26-011855/) | | May 14, 2026 | [3916 Lyndale Ave](https://nearbypermits.com/baltimore/address/3916-lyndale-ave/) | 0.23 mi N | Mechanical (HVAC) | Replace 2-ton A/C, and evaporator coil with same. Install disconnects for 2-ton A/C. | $10,059 | [BRCM-26-010200](https://nearbypermits.com/baltimore/permit/BRCM-26-010200/) | | May 11, 2026 | [3928 Chesterfield Ave](https://nearbypermits.com/baltimore/address/3928-chesterfield-ave/) | 0.21 mi NW | Solar | This project involves the installation of a 6.075KW DC/ 7.600KW AC residential solar PV system under Civic Works Baltimore Shines Program (ARPA-funded), utilizing 15 LONGI SOLAR - LR5-54HPB-405M MODULES (405W) modules paired with 15 SolarEdge U650 power optimizers for enhanced module-level performan | $25,000 | [BRCM-26-002970](https://nearbypermits.com/baltimore/permit/BRCM-26-002970/) | ## More on this street Other addresses on Sinclair Ln with permits, nearest house number first: - [3903 Sinclair Ln](https://nearbypermits.com/baltimore/address/3903-sinclair-ln/): newest permit Sep 30, 2026 - [3905 Sinclair Ln](https://nearbypermits.com/baltimore/address/3905-sinclair-ln/): newest permit Sep 30, 2026 - [3907 Sinclair Ln](https://nearbypermits.com/baltimore/address/3907-sinclair-ln/): newest permit Sep 30, 2026 - [3909 Sinclair Ln](https://nearbypermits.com/baltimore/address/3909-sinclair-ln/): newest permit Sep 30, 2026 - [3818 Sinclair Ln](https://nearbypermits.com/baltimore/address/3818-sinclair-ln/): newest permit Jun 30, 2026 - [3808 Sinclair Ln](https://nearbypermits.com/baltimore/address/3808-sinclair-ln/): newest permit Aug 27, 2025 - [3754 Sinclair Ln](https://nearbypermits.com/baltimore/address/3754-sinclair-ln/): newest permit Apr 30, 2026 - [3701 Sinclair Ln](https://nearbypermits.com/baltimore/address/3701-sinclair-ln/): newest permit Jun 30, 2026 - [3320 Sinclair Ln](https://nearbypermits.com/baltimore/address/3320-sinclair-ln/): newest permit May 4, 2026 - [4803 Sinclair Ln](https://nearbypermits.com/baltimore/address/4803-sinclair-ln/): newest permit Jun 27, 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 2026-10-06 23:10 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/ Map, both permits at this address and 43 nearby: https://nearbypermits.com/baltimore/address/3901-sinclair-ln/