For sale

Price cut: $249K (9/17)

$1,999,999

401 Blackstone Ln, Mars, PA 16046

5beds

5,715sqft

$13,254/mo

Get pre-qualified

Single Family Residence

Built in 2003

8.91 Acres Lot

$1,914,500 Zestimate^®

$350/sqft

$-- HOA

What's special

Ev charger in garagePanoramic viewsFlat backyardFitness roomFull barFinished basementVaulted sunroom

8+ acre private, gated estate. Over 8000 finished square feet of living, including finished basement plus carriage home with full bath for pool guests. Panoramic views, flat backyard. Concrete patio, pool and carriage home with full bath. Expansive entertainment pavilion with outdoor kitchen, island, gas fireplace, seating area, fire pit and water fountain. Two story entry with marble floor and curved staircase. Kitchen with sub-zero fridge and granite counters, coffered beam den w/judges paneling. Vaulted sunroom, formal living and dining rooms. Primary bedroom with fireplace and balcony. Walkout basement, media room, fitness room, second office/music room and full bar. Ample storage throughout. Parking available for 5 vehicles/EV charger in garage.

78 days
787
43

Facts & features

Interior

Bedrooms & bathrooms

Bedrooms: 5
Bathrooms: 7
Full bathrooms: 6
1/2 bathrooms: 1

Primary bedroom

Level: Upper
Dimensions: 22x17

Bedroom 2

Level: Upper
Dimensions: 15x15

Bedroom 3

Level: Upper
Dimensions: 18x12

Bedroom 4

Level: Upper
Dimensions: 15x13

Bedroom 5

Level: Upper
Dimensions: 16x13

Bonus room

Level: Main
Dimensions: 20x16

Den

Level: Main
Dimensions: 15x13

Dining room

Level: Main
Dimensions: 18x15

Entry foyer

Level: Main
Dimensions: 15x13

Family room

Level: Main
Dimensions: 24x16

Game room

Level: Lower
Dimensions: 41x23

Kitchen

Level: Main
Dimensions: 28x16

Laundry

Level: Main
Dimensions: 10x08

Living room

Level: Main
Dimensions: 15x15

Heating

Forced Air, Gas

Cooling

Central Air

Appliances

Included: Some Gas Appliances, Convection Oven, Cooktop, Dishwasher, Microwave, Refrigerator

Features

Wet Bar, Intercom, Jetted Tub
Flooring: Ceramic Tile, Hardwood, Other
Windows: Multi Pane
Basement: Finished,Walk-Out Access
Number of fireplaces: 3

Interior area

Total structure area: 5,715
Total interior livable area: 5,715 sqft

Video & virtual tour

Property

Parking

Total spaces: 5
Parking features: Attached, Detached, Garage, Garage Door Opener
Has attached garage: Yes

Features

Levels: Two
Stories: 2
Pool features: Pool
Has spa: Yes

Lot

Size: 8.91 Acres
Dimensions: 8.908

Details

Parcel number: 0103F6816C0000
Other equipment: Intercom

Construction

Type & style

Home type: SingleFamily
Architectural style: French Provincial,Two Story
Property subtype: Single Family Residence

Materials

Brick
Roof: Asphalt

Condition

Resale
Year built: 2003

Utilities & green energy

Sewer: Public Sewer
Water: Public

Community & HOA

Community

Security: Security System

Location

Region: Mars

Financial & listing details

Price per square foot: $350/sqft
Tax assessed value: $95,810
Annual tax amount: $13,449
Date on market: 8/6/2026

Estimated market value

$1,914,500

$1.82M - $2.01M

$6,306/mo

Price history

Date	Event	Price
9/17/2026	Price change	$1,999,999-11.1%$350/sqft
Source: WPMLS #1744371 Report a problem
8/6/2026	Listed for sale	$2,249,000-6.3%$394/sqft
Source: WPMLS #1744371 Report a problem
6/8/2026	Listing removed	$2,400,000$420/sqft
Source: WPMLS #1744371 Report a problem
4/23/2026	Price change	$2,400,000-7.7%$420/sqft
Source: WPMLS #1744371 Report a problem
3/19/2026	Listed for sale	$2,600,000+156.9%$455/sqft
Source: WPMLS #1744371 Report a problem
6/25/2012	Sold	$1,012,000+1.2%$177/sqft
Source: WPMLS #904043 Report a problem
2/22/2012	Listed for sale	$999,999-16.6%$175/sqft
Source: RE/MAX SELECT REALTY #904043 Report a problem
8/11/2011	Price change	$1,199,000-7%$210/sqft
Source: Coldwell Banker Real Estate Services - North Hills #883393 Report a problem
4/26/2011	Price change	$1,289,4990%$226/sqft
Source: RE/MAX SELECT REALTY #854801 Report a problem
1/19/2011	Price change	$1,290,000+3.2%$226/sqft
Source: RE/MAX Select Realty #854801 Report a problem
9/6/2010	Price change	$1,250,000-21.9%$219/sqft
Source: NRT Pittsburgh #817890 Report a problem
7/10/2010	Price change	$1,600,000+0%$280/sqft
Source: NRT Pittsburgh #817890 Report a problem
6/19/2010	Price change	$1,599,9990%$280/sqft
Source: NRT Pittsburgh #817890 Report a problem
4/6/2010	Listed for sale	$1,600,000+1782.4%$280/sqft
Source: NRT Pittsburgh #817890 Report a problem
4/15/2002	Sold	$85,000$15/sqft
Source: Public Record Report a problem

Public tax history

Year	Property taxes	Tax assessment
2025	$13,545 +1.5%	$95,810 +0.8%
2024	$13,346 +2.5%	$95,070
2023	$13,015 +3.1%	$95,070
2022	$12,621	$95,070
2021	$12,621	$95,070
2020	$12,621 +31%	$95,070
2019	$9,638 -22.2%	$95,070
2018	$12,395 +315.5%	$95,070
2017	$2,983 -9.1%	$95,070
2016	$3,281 +70.2%	$95,070
2015	$1,927	$95,070
2014	$1,927	$95,070
2013	$1,927 +5.1%	$95,070
2012	$1,834	$95,070
2011	$1,834	$95,070
2010	$1,834	$95,070
2009	$1,834 +5%	$95,070 +33.3%
2008	$1,747 +11.1%	$71,303
2007	$1,572	$71,303
2006	$1,572 -32.2%	$71,303
2005	$2,317 -72.7%	$71,303
2004	$8,485	$71,303