See Home Value
$4,200,000
● House - Off Market

1136 Keith Ave

Berkeley, CA 94708
bedrooms
4 Beds
bathrooms
3 Baths, 1 Half Bath
square feet
3,136 Ft²
$17,162
Est. Monthly

About This Property

Fold House is a striking new construction residence by award-winning women-led architect duo Artifact Collaborative, set dramatically in the lower Berkeley Hills. West-facing windows and doors frame sweeping 180-degree views of San Francisco and the Golden Gate Bridge. The home's name reflects its defining design concept-interlocking planes and articulated volumes-expressed through sculptural two-story floating staircases and a distinctive folded roofline. A triangulated clerestory window draws in abundant natural light throughout the interiors. Thoughtfully designed to inspire and endure, Fold House offers a forward-thinking, all-electric lifestyle with solar PV and battery, high-efficiency heat pumps, EV charging, seismic-resistant foundations, and fire-hardened construction with standing seam metal roofing, plaster exterior, and a full fire sprinkler system. A rare architectural offering where form and function exist in perfect balance. With panoramic vistas and light-filled interiors, every day feels extraordinary. This is Berkeley Hills living at its very best. Views:  Downtown
Unit Size
3,136 Ft²
Days on Market
30 days
Land Size
0.14 acres
Price per sqft
$1,114
Property Type
House
Property Taxes
-
HOA Dues
-
Year Built
1924

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Last updated: 8 months ago (bridgeMLS/CCAR/Bay East AOR #41124093)

Price History

Date / Event Date Event Price
Mar 20, 2026 Sold
Sold
Feb 26, 2026 In contract -
In contract
Feb 18, 2026 Listed by Golden Gate Sothebys Intl Rlty $3,495,000
Listed by Golden Gate Sothebys Intl Rlty
Nov 19, 2025 Price Increased $3,830,000
↑ $230K (6.4%)
Price Increased
Oct 29, 2025 Listed $3,600,000
Listed
Fold House, the latest creation from award winning-women architect-duo, Artifact Collaborative- a new construction home dramatically situated in the lower Berkeley Hills. Every west-facing window & door frames an unparalleled 180-degree view of San Francisco & the Golden Gate Bridge, offering a daily spectacle you won't find anywhere else. The home's name is derived from its central design motif: the dynamic articulation of planes that create interlocking volumes. This concept is expressed internally by two-story floating staircases that create vertical sculptures, while the unique creased roofline peels upward to capture light through a triangulated clerestory window, bathing the interiors with natural light. A home designed to both inspire & endure. Beyond its dramatic aesthetics, Fold House offers an uncompromising modern lifestyle defined by sustainability & resilience. This all-electric home is engineered for the future, featuring a solar PV system w/ battery, high-efficiency heat pumps for year-round comfort & an EV charger. Built from the ground up to the latest standards, it features seismic-resistant foundations (pier and grade beam/mat slab) & fire-hardened construction with durable standing seam metal and plaster and a fire sprinkler system Views: Downtown

Property Highlights

Garage
Fireplace
With View

Building Info

Overview

    General

  • Year Built: 1924
  • Effective Year Built: 1924
  • Building Count: 1
  • Total Rooms: 6
  • Bedroom Count: 4
  • Bathroom Count: 2
  • Full Bathrooms: 2
  • Partial Bathrooms: 2
  • Building Condition: 0
  • Building Quality: 7
  • Construction Type: 17
  • Building Style: 58
  • Exterior Walls Type: 12
  • Interior Walls Type: 0
  • Roof Shape Type: 0
  • Roof Cover Type: 0
  • Floor Count: 100
  • Living Units: 1
  • Floor Cover: 0
  • Basement Type: 8
  • Basement Area: 400
  • Garage Type: 7
  • Parking Space Count: 1
  • Patio Type: 0
  • Porch Type: 0
  • Pool Type: 0
  • Location Influence Type: 69

    Dimensions

  • Lot Size Square Feet: 5,936
  • Total Building Area: 1,654
  • Gross Building Area: 400
  • Building Area: 1,654
  • Building Area Measurement: L

    Heating and Cooling

  • Fireplace Count: 1
  • Air Conditioning: 0
  • Heating: 4
  • Heated Square Feet: 1,654
  • Heating Fuel Type: 3

    Utilities

  • Sewer System: 1
  • Water Service: 2

Building

  • Building Type: 0
  • Property Class: R
  • Subdivision: CRAGMONT
  • Land Acres: 0000000136
  • Standard Land Use Code: 1001
  • County Land Use Code: 1100
  • Legal Description 1: LOT: 00038 BLK: AR: 0063 PAGE: 2988

Neighborhood

  • School District Name: Berkeley Unified School District
  • Census Tract: 421500

Zoning

  • Zoning: R1

Geography

  • Assessors Map Reference: 2-C3
  • Parcel: 63-2988-38
  • Block: 2
  • Lot: 44
  • Municipality: CITY OF BERKELEY
  • Latitude: 37.8885
  • Longitude: -122.26

    Address

  • Full Address: 1136 Keith Ave
  • Address - House Number: 1136
  • Address - Street Name: Keith
  • Address - Suffix Type: Ave
  • State: CA
  • City Name: Berkeley
  • Carrier Code: C091
  • 4-Digit Zip Code: 1607
  • Zip Code: 94708

Valuation

    Tax

  • Tax Year: 2022
  • Tax Amount: $1,396,546
  • Tax Rate Code Area: 13-000

    Appraisal Valuation

  • Standard Deviation: 0.2118
  • Valuation Date: Apr 03, 2024
  • Confidence Score: 71
  • Final Value: 1,701,447
  • High Value: 2,061,897
  • Low Value: 1,340,997

    Assessments Valuation

  • Assessed Year: 2022
  • Assessed Total Value: $880,000
  • Assessed Land Value: $396,000
  • Assessed Improvements Value: $484,000

    Sales

  • Current Sale Contract Date: Sep 16, 2021
  • Current Sale Recording Date: Sep 23, 2021
  • Current Sale Price:
  • Current Sale Document Type: 36
  • Current Sale Input Document Number: 2021319045
Data used for valuation calculations is provided by RealtyHop, and other third party sources

Comparables

Unit
Status
Type
Beds
Baths
ft²
Price/ft²
Asking Price
Listed On
Closing Price
Sold On
HOA + Taxes

About Berkeley Hills


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Frequently Asked Questions

When was property at 1136 Keith Avenue built and last sold?
The property at 1136 Keith Avenue was built in 1924 and last sold on Sep 16, 2021 for $880,000.
How much is this home worth?
The estimated value of the home located at 1136 Keith Avenue is $0.
What are some comparable homes to 1136 Keith Avenue?
There are currently no comparable homes to 1136 Keith Avenue.