NOT LISTED FOR SALE

686 Port Dr Unit 1 San Mateo, CA 94404

Mariners Isle Neighborhood

Estimated Value: $2,103,000 - $2,351,216

1 Bed
3 Baths
850 Sq Ft
$2,614/Sq Ft Est. Value

About This Home

Ideal for 1 person. Super high-end 1 bedroom/1 bath private waterfront unit. Gorgeous 360 water views in a corner location. Unit is fully furnished with brand new furniture and state of the art appliances. Unit has a fridge, cooktop and kitchen too. Also private access to kayaks and other fun items for use in the private lagoon. Also enjoy access to a private heated-pool as well.

Complete privacy from upper unit above with own private entrance. Enjoy living right on the water in your full 1 bedroom/1 bath private apartment in a fully upgraded modern home. Enjoy walking access to the private community beach with pool. Enjoy the trails that run alongside the home. Easy access to 101, downtown San Mateo, Foster City.

Ideal person is someone who is respectful, clean, courteous and nice. This is an ideal fit for a professional. Ideal person loves the outdoors and being surrounded by mother nature’s wonders. Perfect for traveling nurses as the unit is completely furnished.

Respectful tenants only. Looking for someone who will simply be respectful of the home and the surrounding wildlife. Home is fully upgraded with top end appliances and finishes.

Utilities are separate depending on tenant use.

Ownership History

Date Name Owned For Owner Type

Purchase Details

Closed on
Dec 9, 2020
Sold by
Aldana Walter A
Bought by
Aldana Walter A
Current Estimated Value
$2,222,304

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$765,000
Outstanding Balance
$685,277
Interest Rate
3.05%
Mortgage Type
New Conventional
Estimated Equity
$1,537,027

Purchase Details

Closed on
May 10, 2018
Sold by
Johnson Mark E
Bought by
Aldana Walter A

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$1,143,600
Interest Rate
3.75%
Mortgage Type
Adjustable Rate Mortgage/ARM

Purchase Details

Closed on
Feb 16, 2016
Sold by
Johnson Raveena Devi
Bought by
Johnson Mark E

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$1,720,000
Interest Rate
2.87%
Mortgage Type
Adjustable Rate Mortgage/ARM

Purchase Details

Closed on
Jan 19, 2016
Sold by
Vaughn Melvin and Sterne Megan Elizabeth
Bought by
686 Port Dr Llc

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$1,720,000
Interest Rate
2.87%
Mortgage Type
Adjustable Rate Mortgage/ARM

Purchase Details

Closed on
May 18, 2015
Sold by
Wilmington Trust Na
Bought by
Vaughn Melvin and Sterne Megan Elizabeth

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$900,000
Interest Rate
3.62%
Mortgage Type
Purchase Money Mortgage

Purchase Details

Closed on
Nov 6, 2013
Sold by
Church Douglas
Bought by
Wilmington Trust Company

Purchase Details

Closed on
Aug 1, 2006
Sold by
Landis Scott
Bought by
Church Douglas

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$200,000
Interest Rate
6.69%
Mortgage Type
Unknown

Purchase Details

Closed on
Oct 25, 2001
Sold by
Landis Camille Ann
Bought by
Landis Scott

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$525,000
Interest Rate
6.75%

Purchase Details

Closed on
Feb 10, 1997
Sold by
Duffy Thomas O
Bought by
Landis Scott

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$318,400
Interest Rate
7.87%
Source: Public Records

Range of Values:

--
Value Increase
--
Percent Increase
--
Adjusted for Inflation
Collateral Analytics

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Average Value
Not Available
List Price
Sold Price
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Home Values in the Area

Source: Public Records

Average Home Value in this Area

Source: Public Records

Purchase History

Date Buyer Sale Price Title Company
Aldana Walter A -- Fidelity National Title Co
Aldana Walter A -- Fidelity National Title Co
Aldana Walter A $1,980,000 Orange Coast Title Co Of Nor
Johnson Mark E -- Chicago Title Company
Johnson Mark E $2,150,000 Chicago Title Company
686 Port Dr Llc -- Old Republic Title Company
Vaughn Melvin $1,200,000 Servicelink Title Company
Wilmington Trust Company $1,215,729 None Available
Church Douglas $1,060,000 First American Title Company
Landis Scott -- Fidelity National Title Co
Landis Scott $354,000 North American Title Insuran
Source: Public Records

Mortgage History

Date Status Borrower Loan Amount
Open Aldana Walter A $765,000
Closed Aldana Walter A $1,143,600
Previous Owner Johnson Mark E $1,720,000
Previous Owner 686 Port Dr Llc $1,250,000
Previous Owner Vaughn Melvin $900,000
Previous Owner Church Douglas $200,000
Previous Owner Church Douglas $800,000
Previous Owner Landis Scott $525,000
Previous Owner Landis Scott $318,400
Source: Public Records

Property History

Date Event Price List to Sale Price per Sq Ft
11/17/2025 11/17/25 Off Market $3,150 -- --
11/11/2025 11/11/25 Price Changed $3,150 0.0% $4 / Sq Ft
11/11/2025 11/11/25 For Rent $3,150 +1.6% --
11/11/2025 11/11/25 Off Market $3,100 -- --
10/06/2025 10/06/25 Price Changed $3,100 +3.3% $4 / Sq Ft
09/24/2025 09/24/25 Price Changed $3,000 -7.7% $4 / Sq Ft
08/11/2025 08/11/25 Price Changed $3,250 -3.0% $4 / Sq Ft
08/09/2025 08/09/25 For Rent $3,350 -- --

Map

California San Mateo County San Mateo 94404 Mariners Isle

686 Port Dr Unit 1, San Mateo, CA

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