Seller's Agent in 2026
Timothy Gilmartin
Gilmartin Group
(408) 348-5013
3 in this area
21 Total Sales
117 N Delaware St San Mateo, CA 94401
North Central Neighborhood
6
Beds
4
Baths
4,165
Sq Ft
5,750
Sq Ft Lot
Highlights
- 4 Car Attached Garage
- Tile Flooring
- 4-minute walk to Martin Luther King Community Park
- Highlands Elementary School Rated A-
- Forced Air Heating System
About This Home
As of June 2026A high-quality Peninsula duplex with stable income, minimal expense drag, and clearly defined long-term upside.117 N. Delaware Street presents a rare opportunity to acquire a well-located duplex in the heart of San Mateo. The property consists of two large units, each configured as 3 bedrooms and 2 bathrooms with garage parking offering strong fundamentals for both owner-occupiers and long-term investors. With tenants in place for over 20 years, the asset provides stable in-place income and a clear path for predictable rent growth under California rent control guidelines. The property currently generates $7,610 per month ($91,320 annually), with a highly efficient expense. Market rents for comparable units are estimated at approximately $4,500+ per month, indicating meaningful long-term upside. At market levels, the property would generate approximately $108,000. Generous layouts, strong rental demand and a desirable unit mix support long-term growth and income optimization. Don't miss this rare opportunity whether as an investment or a property you could occupy!
Last Agent to Sell the Property
Gilmartin Group License #00841354 Listed on: 04/21/2026
Property Details
Home Type
- Multi-Family
Year Built
- 1990
Parking
- 4 Car Attached Garage
- 2 Carport Spaces
- On-Street Parking
Home Design
- Duplex
- Shingle Roof
- Concrete Perimeter Foundation
Interior Spaces
- 4,165 Sq Ft Home
- 2-Story Property
Flooring
- Carpet
- Tile
- Vinyl
Utilities
- Forced Air Heating System
Listing and Financial Details
- Total Actual Rent $91,320
Community Details
Overview
Building Details
- 2 Leased Units
- Insurance Expense $2,689
- Utility Expense $6,629
- Operating Expense $35,157
- Gross Income $91,320
Ownership History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
Date
Name
Owned For
Owner Type
Purchase Details
Closed on
Apr 10, 2025
Sold by
Bought by
Purchase Details
Closed on
Jul 1, 2021
Sold by
Bought by
Purchase Details
Closed on
Jun 29, 2021
Sold by
Bought by
Purchase Details
Closed on
Aug 18, 2020
Sold by
Bought by
Purchase Details
Closed on
Aug 1, 2019
Sold by
Bought by
Purchase Details
Closed on
Dec 23, 2014
Sold by
Bought by
Purchase Details
Closed on
Dec 14, 2001
Sold by
Bought by
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Home Values in the Area
Average Home Value in this Area
Purchase History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Date | Type | Sale Price | Title Company |
|---|---|---|---|
| Grant Deed | -- | None Listed On Document | |
| Grant Deed | $357,500 | First American Title | |
| Deed | -- | First American Title | |
| Interfamily Deed Transfer | -- | First American Title Company | |
| Grant Deed | $357,500 | First American Title Company | |
| Grant Deed | $440,000 | None Available | |
| Grant Deed | -- | None Available | |
| Gift Deed | -- | None Available | |
| Interfamily Deed Transfer | -- | -- |
Source: Public Records
Property History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Date | Event | Price | List to Sale | Price per Sq Ft |
|---|---|---|---|---|
| 06/26/2026 06/26/26 | Sold | $1,825,000 | -2.9% | $438 / Sq Ft |
| 05/29/2026 05/29/26 | Pending | -- | -- | -- |
| 04/21/2026 04/21/26 | For Sale | $1,880,000 | -- | $451 / Sq Ft |
Source: MLSListings
Tax History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Year | Tax Paid | Tax Assessment Tax Assessment Total Assessment is a certain percentage of the fair market value that is determined by local assessors to be the total taxable value of land and additions on the property. | Land | Improvement |
|---|---|---|---|---|
| 2025 | $25,840 | $1,799,128 | $944,134 | $854,994 |
| 2023 | $25,901 | $1,729,272 | $907,476 | $821,796 |
| 2022 | $25,495 | $1,695,366 | $889,683 | $805,683 |
| 2021 | $22,386 | $1,528,732 | $777,366 | $751,366 |
| 2020 | $20,382 | $1,428,618 | $714,309 | $714,309 |
| 2019 | $19,991 | $1,400,606 | $700,303 | $700,303 |
| 2018 | $18,878 | $1,373,144 | $686,572 | $686,572 |
| 2017 | $20,147 | $1,346,220 | $673,110 | $673,110 |
| 2016 | $18,665 | $1,319,824 | $659,912 | $659,912 |
| 2015 | $17,089 | $1,300,000 | $650,000 | $650,000 |
| 2014 | $9,943 | $697,874 | $322,671 | $375,203 |
Source: Public Records
Agents Affiliated with this Home
-
Timothy Gilmartin
-
Kathryn Gerhardt
Seller Co-Listing Agent in 2026
Kathryn Gerhardt
Gilmartin Group
(650) 773-3595
3 in this area
38 Total Sales
Map
Source: MLSListings
MLS Number: ML82043896
APN: 032-304-080
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