636 Middlefield Rd is a 1,464 square foot house on a 4,750 square foot lot. - it last sold on May 01, 2013 for $1,950,000. Based on Redfin's Palo Alto data, we estimate the home's value is $3,792,296.
Single-familyProperty Type
1939Year Built
4,750 sq ftLot Size
$2,590Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$3,792,296
$1.8M since sold in May 2013$8,000 since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 4.3% lower than the average sale price ($3.96M) of 6 comparable homes.
PLS DO NOT ENTER PROP OR DISTURB TENANT. OLDER HOME CONVERTED TO OFFICE SPACE. APPROX 1500 SQ FT IN FRONT HOUSE (2 SUITES) AND 360 IN REAR NON-CONFORMING UNIT. RENTS ARE LOW. RM2 ZONING. DISCLOSURE PACKET AVAILABLE. WRITE OFFER
Year
Property tax
Land + Additions
Assessment*
2025
$30,998 (+4.3%)
$2,273,106 + $270,608
$2,543,714
2024
$29,730 (+1.5%)
$2,228,536 + $265,302
$2,493,838
2023
$29,293 (+177.2%)
$2,184,840 + $260,100
$2,444,940
2022
$10,566 (+2.0%)
$2,142,000 + $255,000
$2,397,000
2021
$10,357 (+2.0%)
$564,640 + $240,758
$805,398
2020
$10,156 (+1.2%)
$553,569 + $236,038
$789,607
2019
$10,040 (+2.7%)
$547,893 + $233,618
$781,511
2018
$9,779 (+1.8%)
$537,150 + $229,038
$766,188
2017
$9,606
$516,293 + $220,146
$736,439
Tax history for 636 Middlefield Rd
Year
Property tax
Land + Additions
Assessment*
2025
$30,998 (+4.3%)
$2,273,106 + $270,608
$2,543,714
2024
$29,730 (+1.5%)
$2,228,536 + $265,302
$2,493,838
2023
$29,293 (+177.2%)
$2,184,840 + $260,100
$2,444,940
2022
$10,566 (+2.0%)
$2,142,000 + $255,000
$2,397,000
2021
$10,357 (+2.0%)
$564,640 + $240,758
$805,398
2020
$10,156 (+1.2%)
$553,569 + $236,038
$789,607
2019
$10,040 (+2.7%)
$547,893 + $233,618
$781,511
2018
$9,779 (+1.8%)
$537,150 + $229,038
$766,188
2017
$9,606
$516,293 + $220,146
$736,439
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning and permits
Zoning
Permits
RM-20
Low Density Multiple-Family Residence District
The RM-20 low-density multiple-family residence district is intended to create, preserve and enhance areas for a mixture of single-family and multiple-family housing which is compatible with lower density and residential districts nearby, including single-family residence districts. The RM-20 residence district also serves as a transition to moderate density multiple-family districts or districts with nonresidential uses. Permitted densities in the RM-20 residence district range from 8 to 20 du per acre.
Permitted uses
Include but are not limited to:
Housing-Single unit
Housing-Multiple units
Housing-Senior
Housing-Mobile home park
Jan 12, 2026 • Final
Water line: re-pipe water system (interior only, no sewer lines, detached single-family and duplex only)
Perform an interior domestic water piping system re-pipe for a single-family home. No sewer or building drain work is included.
Plumbing
Feb 12, 2025 • Final
Project - building
Perform a full horizontal sewer system re-drain in the crawlspace using new plastic piping.
Plumbing
Permit history is from public records and may be incomplete or inaccurate. Redfin and its agents make no representations about the property condition or permit status. Buyers should independently verify all information.
Property details
Exterior
Exterior Information
Physical Condition: Average
Building Style Type: L-Shape
Construction Type: Wood
Building Construction Quality: Average
Roof Framing Type: Wood
Property Information
Living Sq. Ft: 1,464
Ground Floor Sq. Ft: 1,464
Building Sq. Ft: 1,464
# of Stories: 1
Legal Description: LOT 1
Lot Information
# of Buildings: 1
Land Sq. Ft: 4,750
Legal Lot Number: 1
Municipality Name: PALO ALTO CITY
Acres: 0.109
Zoning Code: RM2
County Use Description: RESID SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Tax Area: PALO ALTO CITY
Public facts
Beds: —
Baths: —
Sq. Ft.: 1,464
Stories: 1.0
Lot Size: 4,750 square feet
Style: Single Family Residential
Year Built: 1939
Year Renovated: 1939
County: Santa Clara County
APN: 12004117
Home facts updated by county records on Aug 21, 2026
Around this home
Schools
Addison Elementary School
Public K-5 • Assigned • 0.4mi
9/10
Frank S. Greene Jr. Middle
Public 6-8 • Assigned • 1.4mi
9/10
Palo Alto High School
Public 9-12 • Assigned • 0.9mi
10/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
1/10 Flood Factor
Minimal risk of a flood reaching the building in the next 30 years
1/10 Fire Factor
Unlikely to be in a wildfire in next 30 years
3/10 Heat Factor
7 days above 90° expected this year, 14 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
7/10 Air Factor
12 unhealthy days expected this year, 12 days in 30 years
Provided by First Street
Historical weather
Palo Alto, CA • 94301
Average low and high temperatures (°F)
63
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82
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81
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77
52
65
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61
43
Jan
Feb
Mar
Apr
May
Jun
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Aug
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Dec
Sun exposure
In this area, properties receive around 11.1 hours in
June and 4.9 hours in December, placing it above the
U.S. average for solar exposure.
11.1 hrs
4.9 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$3.60M – $4.36M
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