Eco Friendly
Address
1586 Lexington Ave, San Mateo, CA
Price
$ 4,498,000
Property Attributes
- ID#ML82060534
- TypeSingle Family
- Listing Status Active
- CountySAN MATEO
- CitySan Mateo
- AreaThe Highlands - Ticonderoga
- Zip94402
- StyleContemporary,Eichler,Flat,Modern / High Tech
- Year Built1956
- Price$ 4,498,000
- Bedrooms3
- Full Bathrooms2
- Half Bathrooms0
- Sqr Footage2190
- Lot Size0.2021 Acres
Data Source:
MLSListings Inc.
Property Description
A rare architectural offering, this one-of-a-kind 1956 Mid-Century Modern X-100 prototype, designed by an acclaimed team of architects, represents a pivotal moment in mid-century modern design. The home showcases six exposed steel I-beams, eliminating interior load-bearing walls and creating a dramatic open, light-filled environment with seamless indoor-outdoor flow. Thoughtfully restored while honoring its original vision, recent updates include fresh interior/exterior paint, recoated foam roof, refinished vinyl and concrete floors, updated radiant heating, curated furnishings, and refreshed landscaping. The home is organized around two private garden atriums with in-ground planting beds, while 32 feet of skylights flood the interiors with natural light. Signature materials, steel, glass, and Formica, highlight the home's authentic modernist character. Built-ins and kitchen elements are fully integrated into the architecture. Debuted in 1956, the X-100 gained national attention and influenced generations of modern residential design, set against the backdrop of Crystal Springs Reservoir. Listed on the National Register, this is a true collector-grade property ideal for design enthusiasts, historians, and those seeking a singular living experience. A legacy of visionary design.
| Price History | |
|---|---|
| 9/17/2026 | Listed $4,498,000 |
General Features
| Heating | Gas,Radiant |
|---|---|
| Cooling | None |
| Utilities | Public Utilities |
| Roof | Foam |
| Water | Public |
| Fireplaces | Free Standing,Living Room,Wood Burning |
| Architectural Style | Contemporary,Eichler,Flat,Modern / High Tech |
| Pool Features | Pool - Fenced,Pool - In Ground,Pool - Sweep |
| Restrictions | None |
| Construction Materials | Steel Frame |
| Energy Features | Double Pane Windows,Green Features,Skylight,Thermostat Controller,Other |
| Additional Rooms | Den / Study / Office,Great Room,Laundry Room,Office Area,Storage,Other |
| Year Built | 1956 |
| View | Hills,Mountains,Neighborhood |
| Age | 70 |
| Property Subtype | Single Family Home |
| Complex Name Text | The Highlands |
| Zoning Text | R10008 |
| Amenities Misc. | High Ceiling,Open Beam Ceiling,Security Gate,Skylight,Video / Audio System,Other |
| Building Type | Detached |
| Accessibility | Bathroom Features,Wide Halls / Doors (3 Ft +),Other |
| County | San Mateo |
| Property Type | Residential |
| Association Amenities | BBQ Area,Club House,Community Pool,Game Court (Outdoor),Garden / Greenbelt / Trails,Gym / Exercise Facility,Organized Activities,Playground,Recreation Room,Tennis Court / Facility,Other |
| Full Baths | 2 |
| Special Listing Conditions | Not Applicable |
| Status | Active |
| City | SAN MATEO |
| MLS Area | The Highlands / Ticonderoga |
| Lot Size Units | Square Feet |
| Listing Agent State License | 70010882 |
| Co-Listing Agent State License # | 01466876 |
| Co-Listing Agent Last Name | Graeham |
| Co-Listing Agent Last Name | Watts |
| Virtual Tour | https://www.eichlerx-100.com |
| Virtual Tour | https://www.eichlerx-100.com |
Interior Features
| Kitchen | 220 Volt Outlet,Countertop - Formica,Dishwasher,Exhaust Fan,Garbage Disposal,Hookups - Ice Maker,Ice Maker,Island,Oven - Built-In,Oven - Double,Oven - Electric |
|---|---|
| Flooring | Tile,Vinyl / Linoleum |
| Family Room | Kitchen / Family Room Combo |
| Dining Room | Breakfast Bar,Dining Area,Dining Area in Family Room,Dining Bar,Eat in Kitchen,No Formal Dining Room,Skylight |
| Bathroom | Double Sinks,Oversized Tub,Pass Through,Shower over Tub - 1,Skylight,Split Bath,Tile,Other |
| Living SqFt | 2190 |
| Fireplace Y/N | Yes |
| Laundry Features | Dryer,Electricity Hookup (110V),Electricity Hookup (220V),Gas Hookup,In Utility Room,Inside,Tub / Sink,Washer,Washer / Dryer |
| Total Bedrooms | 3 |
Exterior Features
| Lot Description | Grade - Mostly Level |
|---|---|
| Fencing | Fenced,Fenced Back,Gate,Mixed Height / Type,Wood,Other |
| Parking Features | Carport,Guest / Visitor Parking,Lighted Parking Area,No Garage,Off-Street Parking,On Street,Parking Area |
| Horse Property | No |
| Parking Spaces | 2 |
| Model Name | Eichler X-100 |
| Lot Size Area | 8803.00 |
| Maximum Lot Size | 8803.00 |
| Yard/Grounds | Back Yard,Balcony / Patio,BBQ Area,Courtyard,Drought Tolerant Plants,Fenced,Low Maintenance,Sprinklers - Auto,Storage Shed / Structure |
| Sewer/Septic | Sewer - Public |
| Pool (Y/N) | Yes |
| Foundation Details | Concrete Slab,Steel Frame |
| Building Area Total | 2190 |
| Lot Acres | 0.2021 |
Amenities
- Foreclosure
- Views
- Short Sale
- New Construction
- Adult 55+
- Lease To Own
- No HOA Fees
- Furnished
- Primary On Main
- Air Conditioning
- Seller Finance
- Green
- Fixer Upper
- Horse
- Golf
- Fireplace
- Deck
- Garage
- Basement
- Pool
Property vs Single Family Average in 94402
Price
Year Built
Last updated: September 19, 2026 6:35 AM UTC Property Information © 2026 
Bay East ©2026. CCAR ©2026. bridgeMLS ©2026. Information Deemed Reliable But Not Guaranteed. This information is being provided by the Bay East MLS, or CCAR MLS, or bridgeMLS. The listings presented here may or may not be listed by the Broker/Agent operating this website. This information is intended for the personal use of consumers and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Data last updated at September
This information, including square footage, while not guaranteed, has been acquired from sources believed to be reliable. Listings on this page identified as belonging to another listing firm are based upon data obtained from the SFAR MLS, which data is copyrighted by the San Francisco Association of REALTORS©, but is not warranted.
