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Listing data is provided under license from the Toronto Regional Real Estate Board (TRREB). TRREB assumes no responsibility for the accuracy of the information contained herein. Data is updated periodically and may not reflect the most current market activity. Not intended to solicit buyers or sellers currently under contract. MLS®, REALTOR®, and the associated logos are certification marks owned by the Canadian Real Estate Association (CREA) and identify real estate professionals who are members of CREA.

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100 Observatory Lane

Observatory, Richmond Hill

Observatory Lane Condos

byAinsdale Developments Limited
Size Range
888 - 1 sq ft
Storeys
16
Suites
201
Occupancy
1987
Sales Status
Resale
Construction
Complete

Floor Plans

No floor plans are currently available for this project.

About Observatory Lane Condos

Observatory Lane Condos is a new condominium development by Ainsdale Developments Limited that is now complete located at 100 Observatory Lane, Richmond Hill in the Observatory neighbourhood with a 77/100 walk score and a 53/100 transit score. Development is scheduled to be completed in 1987. The project is 16 storeys tall (50.7m, 166.3ft) and has a total of 201 suites ranging from 888 sq.ft to 1,397 sq.ft. Observatory Lane Condos is the # tallest condominium in .
Generating AI overview...

Unit Breakdown

No unit breakdown available.

Amenities & Finishes

Building Amenities

Gym / Exercise Room
Visitor Parking
Enter Phone System
Pool
Games / Recreation Room
Tennis Court
Concierge
Sauna

Location & Scores

77
Walk ScoreVery Walkable
53
Transit ScoreSomewhat Walkable
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April 2026

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Nearby Market

Finding nearby buildings and listings...

For Sale
$609/sqft
2on MLS
36 avg DOM
$650K–$689K
For Rent
$2.91/sqft
1on MLS
3 avg DOM
$3K

Transaction History

Search transaction history at Observatory Lane Condos

Sold
$1,234/sqft
2sold in last 90 days
Leased
$5.00/sqft
2leased in last 90 days
Real estate boards require you to sign in to see sold and leased transaction details.

Mar 2026

3 Listed | 1 Sold | 2 Rented
Jan 01, 2024Leased
$000,000

(Sign-in required)

Jan 01, 2024Sold
$000,000

(Sign-in required)

Jan 01, 2024Leased
$000,000

(Sign-in required)

Feb 2026

1 Listed | 1 Sold
Jan 01, 2024Sold
$000,000

(Sign-in required)

Nov 2025

2 Listed | 1 Sold | 1 Rented
Jan 01, 2024Leased
$000,000

(Sign-in required)

Jan 01, 2024Sold
$000,000

(Sign-in required)

Aug 2025

4 Listed | 4 Sold
Jan 01, 2024Sold
$000,000

(Sign-in required)

Jan 01, 2024Sold
$000,000

(Sign-in required)

Jan 01, 2024Sold
$000,000

(Sign-in required)

Jan 01, 2024Sold
$000,000

(Sign-in required)

Jul 2025

1 Listed | 1 Sold
Jan 01, 2024Sold
$000,000

(Sign-in required)

Jun 2025

1 Listed | 1 Sold
Jan 01, 2024Sold
$000,000

(Sign-in required)

May 2025

2 Listed | 2 Sold
Jan 01, 2024Sold
$000,000

(Sign-in required)

Jan 01, 2024Sold
$000,000

(Sign-in required)

Nov 2024

1 Listed | 1 Rented
Jan 01, 2024Leased
$000,000

(Sign-in required)

Oct 2024

1 Listed | 1 Sold
Jan 01, 2024Sold
$000,000

(Sign-in required)

Sep 2024

2 Listed | 2 Sold
Jan 01, 2024Sold
$000,000

(Sign-in required)

Jan 01, 2024Sold
$000,000

(Sign-in required)

Aug 2024

1 Listed | 1 Sold
Jan 01, 2024Sold
$000,000

(Sign-in required)

Jun 2024

2 Listed | 2 Sold
Jan 01, 2024Sold
$000,000

(Sign-in required)

Nearby Market

Buildings, sales, and listings near Observatory Lane Condos

Nearby Buildings

9471 Yonge Street8 active

9471 Yonge Street

Observatory, Richmond Hill

$418,000 – $850,000

~$800/sqft

9600 Yonge Street6 active

9600 Yonge Street

North Richvale, Richmond Hill

$535,000 – $998,000

~$767/sqft

9608 Yonge Street6 active

9608 Yonge Street

North Richvale, Richmond Hill

$610,000 – $768,900

~$787/sqft

75 Weldrick Road E6 active

75 Weldrick Road E

Observatory, Richmond Hill

$584,900 – $789,999

~$584/sqft

9618 Yonge Street4 active

9618 Yonge Street

North Richvale, Richmond Hill

$519,000 – $619,900

~$827/sqft

20 Baif Boulevard3 active

20 Baif Boulevard

North Richvale, Richmond Hill

$799,000 – $859,000

~$573/sqft

32 Clarissa Drive3 active

32 Clarissa Drive

Harding, Richmond Hill

$662,000 – $869,000

~$588/sqft

70 Baif Boulevard2 active

70 Baif Boulevard

North Richvale, Richmond Hill

$729,000 – $749,900

~$577/sqft

40 Baif Boulevard2 active

40 Baif Boulevard

North Richvale, Richmond Hill

$525,000 – $799,000

~$615/sqft

50 Baif Boulevard2 active

50 Baif Boulevard

North Richvale, Richmond Hill

$599,888 – $750,000

~$577/sqft

100 Observatory Lane2 active

100 Observatory Lane

Observatory, Richmond Hill

$649,900 – $689,000

~$626/sqft

5 Weldrick Road W2 active

5 Weldrick Road W

North Richvale, Richmond Hill

$599,900 – $699,000

~$635/sqft

32 Clarissa Drive W2 active

32 Clarissa Drive W

Harding, Richmond Hill

$779,000 – $848,000

~$652/sqft

Recently Sold & Leased20 nearby transactions

Median $600/sqft

For Sale & Lease Nearby

23 Observatory Lane, Unit 289
For Sale
47d on market

$950,000

3 Bed + Den · 4 Bath · 1800-1999 sqft

23 Observatory Lane, Unit 289

Observatory, Richmond Hill

Maintenance: $334.88/mo

HOMELIFE FRONTIER REALTY INC.

9555 YONGE Street, Unit 305
For Lease
91d on market

$4,150/mo

830 sqft

9555 YONGE Street, Unit 305

Observatory, Richmond Hill

RE/MAX REALTRON REALTY INC.

9471 Yonge Street, Unit 301
For Sale
62d on market

$850,000

2 Bed · 2 Bath1,001 sqft(MLS: 1000-1199)

9471 Yonge Street, Unit 301

Observatory, Richmond Hill

Maintenance: $947.27/mo

IQI GLOBAL REAL ESTATE

23 Observatory Lane, Unit 245
For Lease
122d on market

$3,250/mo

3 Bed · 3 Bath1,400 sqft(MLS: 1400-1599)

23 Observatory Lane, Unit 245

Harding, Richmond Hill

KELLER WILLIAMS LIFESTYLES

9471 Yonge Street, Unit Lph15
For Sale
85d on market

$809,000

2 Bed + Den · 2 Bath · 800-899 sqft

9471 Yonge Street, Unit Lph15

Observatory, Richmond Hill

Maintenance: $861.46/mo

RE/MAX CONDOS PLUS CORPORATION

100 Observatory Lane, Unit 505
For Lease
3d on market

$3,200/mo

2 Bed + Den · 2 Bath · 1000-1199 sqft

100 Observatory Lane, Unit 505

Observatory, Richmond Hill

TRANSGLOBAL REALTY CORP.

9471 Yonge Street, Unit 301
For Sale
17d on market

$750,000

2 Bed + Den · 2 Bath · 1000-1199 sqft

9471 Yonge Street, Unit 301

Observatory, Richmond Hill

Maintenance: $947.27/mo

IQI GLOBAL REAL ESTATE

9471 Yonge Street, Unit 1518
For Lease
15d on market

$2,875/mo

2 Bed · 2 Bath · 700-799 sqft

9471 Yonge Street, Unit 1518

Observatory, Richmond Hill

CENTURY 21 LEGACY LTD.

100 Observatory Lane, Unit 505
For Sale
3d on market

$689,000

2 Bed + Den · 2 Bath · 1000-1199 sqft

100 Observatory Lane, Unit 505

Observatory, Richmond Hill

Maintenance: $1,153.12/mo

TRANSGLOBAL REALTY CORP.

9471 Yonge Street, Unit 215
For Lease
10d on market

$2,300/mo

1 Bed · 1 Bath · 500-599 sqft

9471 Yonge Street, Unit 215

Observatory, Richmond Hill

SUTTON GROUP-ADMIRAL REALTY INC.

9471 Yonge Street S, Unit 234
For Sale
78d on market

$665,000

2 Bed · 1 Bath619 sqft(MLS: 600-699)

9471 Yonge Street S, Unit 234

Observatory, Richmond Hill

Maintenance: $627.79/mo

HOMELIFE LANDMARK REALTY INC.

9555 Yonge Street, Unit 15
For Lease
808d on market

$750/mo

9555 Yonge Street, Unit 15

Observatory, Richmond Hill

TOP CANADIAN REALTY INC.

100 Observatory Lane, Unit 502
For Sale
68d on market

$649,900

2 Bed · 2 Bath · 1000-1199 sqft

100 Observatory Lane, Unit 502

Observatory, Richmond Hill

Maintenance: $1,000.58/mo

RE/MAX WEST REALTY INC.

9555 Yonge Street, Unit 15
For Lease
49d on market

$750/mo

80 sqft

9555 Yonge Street, Unit 15

Observatory, Richmond Hill

Canadian Living Realty Inc.

9471 Yonge Street, Unit LPH06
For Sale
39d on market

$599,800

1 Bed · 2 Bath715 sqft(MLS: 700-799)

9471 Yonge Street, Unit LPH06

Observatory, Richmond Hill

Maintenance: $688.74/mo

ROYAL LEPAGE SIGNATURE REALTY

9471 Yonge Street, Unit 643
For Lease
25d on market

$210/mo

Studio

9471 Yonge Street, Unit 643

Observatory, Richmond Hill

RIGHT AT HOME REALTY

9471 Yonge Street, Unit LPH06
For Sale
22d on market

$588,000

1 Bed + Den · 2 Bath · 700-799 sqft

9471 Yonge Street, Unit LPH06

Observatory, Richmond Hill

Maintenance: $688.74/mo

ROYAL LEPAGE SIGNATURE REALTY

9471 Yonge Street, Unit 103
For Lease
66d on market

$37/mo

1,570 sqft

9471 Yonge Street, Unit 103

Observatory, Richmond Hill

Horizon Brokers Real Estate Brokerage Inc.

9471 Yonge Street, Unit 234
For Sale
6d on market

$499,000

2 Bed · 1 Bath · 700-799 sqft

9471 Yonge Street, Unit 234

Observatory, Richmond Hill

Maintenance: $627.8/mo

HOMELIFE/CIMERMAN REAL ESTATE LIMITED

9555 Yonge Street, Unit 204
For Lease
10d on market

$17/mo

3,145 sqft

9555 Yonge Street, Unit 204

Observatory, Richmond Hill

BRIXTON COMMERCIAL REALTY

9471 Yonge Street, Unit 620
For Sale
54d on market

$498,000

1 Bed · 1 Bath466 sqft(MLS: 0-499)

9471 Yonge Street, Unit 620

Observatory, Richmond Hill

Maintenance: $516.61/mo

CENTURY 21 HERITAGE GROUP LTD.

9625 Yonge Street, Unit 8
For Lease
2d on market

$1/mo

7,523 sqft

9625 Yonge Street, Unit 8

Harding, Richmond Hill

CUSHMAN & WAKEFIELD

9471 Yonge Street, Unit 335
For Sale
94d on market

$418,000

1 Bed · 1 Bath491 sqft(MLS: 0-499)

9471 Yonge Street, Unit 335

Observatory, Richmond Hill

Maintenance: $400/mo

RIGHT AT HOME REALTY

9471 Yonge Street E, Unit 334
For Sale
217d on market

$398,000

1 Bed · 1 Bath491 sqft(MLS: 0-499)

9471 Yonge Street E, Unit 334

Observatory, Richmond Hill

Maintenance: $401.97/mo

HOMELIFE GOLCONDA REALTY INC.

9471 Yonge Street, Unit 104
For Sale
10d on market

$298,000

1,170 sqft

9471 Yonge Street, Unit 104

Observatory, Richmond Hill

CENTURY 21 HERITAGE GROUP LTD.

9625 Yonge Street, Unit 9
For Sale
126d on market

$238,888

1,170 sqft

9625 Yonge Street, Unit 9

Harding, Richmond Hill

M.R.S. REALTY INC.

9625 Yonge Street N, Unit 8
For Sale
123d on market

$99,888

9625 Yonge Street N, Unit 8

Harding, Richmond Hill

FOREST HILL REAL ESTATE INC.

Current Availability

Beds:
#502 - 100 Observatory LaneResale68d on market

$649,900

$591/sqft

#502 - 100 Observatory Lane

2 Bed2 Bath1 Parking
1000-1199 sqft

Maint. $1,000.58/mo

RE/MAX WEST REALTY INC.

#505 - 100 Observatory LaneResale3d on market

$689,000

$626/sqft

#505 - 100 Observatory Lane

2 Bed + Den2 Bath1 Parking
1000-1199 sqft

Maint. $1,153.12/mo

TRANSGLOBAL REALTY CORP.

Red Bricks Intelligence uses a multi-layered, AI-enhanced algorithm to match floor plans and sizing to units. While we strive for a high degree of accuracy, errors may occur. Buyers should independently verify all unit specifications.