New York City  »  11234  »  Mill Ln  »  6309 Mill Ln

6309 Mill Lane, Brooklyn, NY 11234 - Property report

Also known as: 6309 Mill Ln

Property image for 6309 Mill Lane, Brooklyn, NY 11234
static Mapbox map

Property type

Office Only - 1 Story (O1)

Year built

1950

Lot sq. ft.

2,515

Sale price

$600,000

General information

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Access up-to-date information from property owner names to sales history, deeds, tax info, mortgages, development data, planimetric maps and more.

Address
Primary address
6309 Mill Lane
ZIP code
11234
Neighborhood
Old Mill Basin
Borough
Brooklyn
Block & lot
08385-0033

Owner

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Building
Property type
Office Only - 1 Story (O1)
Building sq. ft.
2,515
Building dimensions
43 ft x 73 ft
Buildings on lot
1
Stories
1
Year built
1950
Last altered
2006
Building material
Sales
Sale date
03/31/2017
Sale price
$600,000
Tax
Tax year
2026-2027
Property tax
$17,574
Tax class
Floor area ratio (FAR)
Commercial FAR
Residential FAR
Buildable area
Zoning & Use
Zoning
Qualified opportunity zone
Residential units
0
Residential sq. ft.
Office sq. ft.
Retail sq. ft.
Lot
Lot dimensions
43 ft x 73 ft
Lot sq. ft.
2,515

Area overview

Walk score
92 /100.  Walker's Paradise
Transit score
73 /100.  Excellent Transit
Bike score
58 /100.  Bikeable
School district
22
Community district
18
Closest police station
1.47 Miles
Closest fire station
0.05 Miles

View more such as transportation, nearby schools and risk designations.

Ownership

Ownership information for 6309 Mill Lane, Brooklyn, NY

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Property owner name
Registered owner
Source
Deed
Owner contact information
Phone number
Owner address
Documents

Sales history for 6309 Mill Lane, Brooklyn, NY 11234

Sale date Sale price Buyer name Seller name
03/31/2017 $600,000 XXXX XXXX XXXX XXX XXXXXXXXXX, XXXXXX XXX XXXXXXXXXX, XXXXX

*Most recent sale on record for this property.

More about New York City property records.

Title documents

Date Type Amount Party 1 Party 2
04/17/2017 - R
03/31/2017 - D		 Mortgage
(2017041300967002)		 XXXX XXXX XXXX XXX XXXXXXXXXX XXXXXX
04/17/2017 - R
03/31/2017 - D		 Deed
(2017041300967001)		 XXXXXXXXXX XXXXXX XXXX XXXX XXXX XXX
11/30/1998 - R Satisfaction of Mortgage
(3580006365358)
02/21/1995 - R Satisfaction of Mortgage
(3020004642302)
01/30/1995 - R Mortgage
(3890004608989)		 XXXXXXXXXX XXXXXX XXXXXX XXXXXX
01/30/1995 - R
01/19/1995 - D		 Deed
(3090004609709)		 XXXXXX XXXXXX XXXXXXXXXX XXXXXX
04/29/1986 - R Satisfaction of Mortgage
(3080001163208)		 XXX XXXXXXXXXXXXXX XXX XXXXX XX XXXX
04/10/1986 - R Mortgage
(3180001157818)		 XXXXXX XXXXXX XXXXXXXX XXX XX XXXX
08/22/1985 - R
06/24/1985 - D		 Deed
(3170001107817)		 XXXX XXXX XXXX XX XXXXXX XXXXXX
10/25/1973 - D
10/25/1973 - R		 Deed
(37330066700337)		 XXXX XXXX XXXX XXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 6309 Mill Lane, Brooklyn, NY

Property tax data includes tax amount, market value and assessed value, exemptions, abatements and assessment history.

Current property tax
Tax year
2025-2026
Property tax
$17,574
Municipal exemptions
Recent tax assessments
Market value
$378,000
Assessed value
$170,100

More about New York City property taxes

Assessment history

See the assessment and property tax history, including the evolution of the total tax rate and corresponding property tax amount.

Tax year Market value Assessed value Taxable amount Tax rate Base tax Property tax Y-o-Y change
2025/26 $361,000 $162,450 $154,170 10.848% $16,724 $16,724 +0.16%
2024/25 $359,000 $161,550 $155,160 10.762% $16,698 $16,698 +2.68%
2023/24 $365,000 $164,250 $153,540 10.592% $16,263 $16,263 +1.64%
2022/23 $337,000 $151,650 $150,300 10.646% $16,001 $16,001 +13.61%
2021/22 $291,000 $130,950 $130,950 10.755% $14,084 $14,084 -14.42%
2020/21 $372,000 $167,400 $153,900 10.694% $16,458 $16,458 +5.05%
2019/20 $341,000 $153,450 $148,684 10.537% $15,667 $15,667 +1.23%
2018/19 $329,000 $148,050 $147,194 10.514% $15,476 $15,476 -1.48%
2017/18 $332,000 $149,400 $149,400 10.514% $15,708 $15,708 +3.07%
2016/17 $336,000 $151,200 $144,134 10.574% $15,241 $15,241 +5.56%
Permits

Permit information for 6309 Mill Lane, Brooklyn, NY

Filing date Job type Job status Job description Initial cost
03/19/2021 Alteration
06/30/2020 Alteration
11/21/2006 Alteration type 2
05/12/2006 Alteration type 1

*Most recent permits on record for this property.

More about New York City property records

Violations

DOB Violations

No recently recorded violations for this property.

Neighborhood

Brooklyn commercial market stats

Review a detailed real estate market overview of Brooklyn and assess current trends, property values, property types sold and transaction volumes. View the median price per square foot in Brooklyn and compare it to other New York City boroughs.

Q2 2026 median price/sq. ft.

$533

1.5% Y-o-Y

Q1 2026 median price/sq. ft.

$471

-8.9% Y-o-Y

2025 median price/sq. ft.

$523

5.2% Y-o-Y

Check out recently sold homes in Brooklyn and see how their prices compare.

Risk

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FEMA flood zones

Property location map
FEMA flood zones
X

Hurricane evacuation zones

Property location map
Hurricane evacuation zones
2

Subway & traffic

Closest station
Nostrand Ave & Avenue H at NE Corner
Station lines
2-5
Distance (miles)
1.888
View subway map

Access the detailed traffic volume map for 6309 Mill Lane, Brooklyn, NY 11234 to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity. View daily traffic map

Neighbors for 6309 Mill Lane, Brooklyn, NY

6340 Avenue N, Brooklyn 1433 E 63rd St, Brooklyn 1430 E 64th St, Brooklyn 1475 E 63rd St, Brooklyn 1421 E 63rd St, Brooklyn 6313 Mill Ln, Brooklyn 1465 E 63rd St, Brooklyn 1487 E 63rd St, Brooklyn 1412 E 64th St, Brooklyn 1471 E 63rd St, Brooklyn 6330 Avenue N, Brooklyn 1402 E 64th St, Brooklyn 1435 E 63rd St, Brooklyn 1429 E 63rd St, Brooklyn 6334 Avenue N, Brooklyn 1461 E 63rd St, Brooklyn 6324 Avenue N, Brooklyn 1449 E 63rd St, Brooklyn 1455 E 63rd St, Brooklyn 1481 E 63rd St, Brooklyn

Nearby ZIP codes for 6309 Mill Lane, Brooklyn, NY

11203, New York City, NY 11204, New York City, NY 11207, New York City, NY 11208, New York City, NY 11210, New York City, NY 11212, New York City, NY 11213, New York City, NY 11216, New York City, NY 11218, New York City, NY 11223, New York City, NY 11225, New York City, NY 11226, New York City, NY 11229, New York City, NY 11230, New York City, NY 11233, New York City, NY 11235, New York City, NY 11236, New York City, NY 11239, New York City, NY 11694, New York City, NY 11697, New York City, NY

Frequently asked questions

What is the year built for 6309 Mill Lane, Brooklyn, NY 11234?

The development at 6309 Mill Lane, Brooklyn, NY 11234 was built in 1950.

What is the market value of 6309 Mill Lane, Brooklyn, NY 11234?

The current market value of 6309 Mill Lane, Brooklyn, NY 11234 is $378,000.

What is the total square footage of 6309 Mill Lane, Brooklyn, NY 11234?

6309 Mill Lane, Brooklyn, NY 11234 has a total of 2,515 square feet.

What is the price per square foot for this property?

$238 per square foot is the price for 6309 Mill Lane, Brooklyn, NY 11234.

How many commercial spaces does this building have?

The number of commercial spaces in this building is 2.

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