311 Montecillo Dr, Walnut Creek, CA 94595 Property Records

Contra Costa County property record for 311 Montecillo Dr, Walnut Creek, CA 94595

Property Summary

Property Type	Single Family Home
Details	4 bd · 2 ba · 1,979 sqft · built 1953
Lot Size	0.8 acres (34,848 sqft)
Owner	Company Name on File
Last Sale	$330,000 (Apr 1994)
Tax Bill	$7,075 (2025)
Flood Zone	Zone X (minimal risk)
APN	`188-021-009-9`

Property Details

APN / Parcel Number

Primary APN	`188-021-009-9`
Alternative APN	`188-021-009`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Total Rooms	7 Rooms
Stories	1 Story
Building Area	1,979 sqft Living Area
1st Floor Area	1,979 sqft

Exterior

Year Built	Built 1953
Effective Year Built	Effective 1953
Lot Area	34,848 sqft (0.8 acres)

Location & Zoning

Street Address	311 MONTECILLO DR
City	WALNUT CREEK
State	CA
Zip	94595-2654
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R20
Legal Description	PCL MAP 149 PG 28 PCL A
Legal Subdivision	SUBDIVISION MS 29-90
Legal Tract	149PM28
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	3
Census Block	3004
Census Tract	334200

Owner

Source: Contra Costa County records · APN 188-021-009-9

Assessment roll updated July 14, 2026 · Last verified July 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Company Name on File
Mailing Address	PO BOX 2135, WALNUT CREEK, CA 94595-0135
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Apr 15, 1994 · Amount on Record
Deed Sale	Apr 15, 1994 · Amount on Record
Deed Document Number	1994105928
Last Transfer Date	Jan 20, 1999
Transfer Doc	0000037196
Record Updated	Sep 20, 2026

Tax Assessment & Valuation

Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 2026

Property Jurisdictions

Type	Name
State	California
County	Contra Costa County
Secondary School District	Acalanes Union High School District (09 - 12)
Elementary School District	Walnut Creek Elementary School District (KG - 08)

Tax Bill & Assessment History

Assessed value is set for property tax purposes and is not a market price estimate.

Year	Tax Bill	Assessed Value
2026		$546,083 (+2%) Land $433,408 Building $112,675
2025	$7,075.00 (+3.94%)	$535,376 (+4.04%) Land $424,910 Building $110,466
2023	$6,807.00 (+2.08%)	$514,588 Land $408,411 Building $106,177
2022	$6,668.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of October 12, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X minimal risk
Nearest Special Flood Hazard Area	Zone AE, within 100 ft
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 8 (10% premium discount)
Nearby Flood Policies	7 in force
Nearby Flood Claims	57 (1982–2005)
Claims Outside the SFHA	3 of 57
Most Recent Claim	Dec 2005 · Severe Storms, Flooding, Mudslides, And Landslides
Claims by Event	Severe Storms, Flooding, Mudslides, And Landslides, Dec 2005 · 7 claims Severe Storms, Flooding, Mud And Landslides, Jan 1997 · 12 claims Severe Storms, Flood, Mudslides & High Tide, Jan 1982 · 6 claims

Wildfire

Wildfire Risk	Low lower than 63% of the US · lower than 78% of California
Wildfire Likelihood	0.04% annual chance
Exposure	Indirect within ember reach
Adjoins Burnable Land	Yes

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 2,000
Radiate Holdings Cable	1,500 / 50
Unwired Fixed Wireless	300 / 25
T-Mobile USA Fixed Wireless	100 / 20
AT&T DSL · Fiber in parts of the area	100 / 20

May also be available: Etheric Communications, LLC., Verizon.

Based on FCC filings for 224 locations within half a mile of this property.

Cell Coverage

5G (outdoors only) and 4G LTE

Drinking Water

Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	EAST BAY MUD serves 1,468,000 people
Water Source	Surface water
Last State Inspection	Dec 2021
Lead	Under 1 ppb (2022–2024) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None last 3 years

Results are for the whole water system as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. This system sells water to local utilities; the supplier billing this address may be one of them. The full violation and enforcement history is in the system's EPA record.