270 Montecillo Dr, Walnut Creek, CA 94595 Property Records

Contra Costa County property record for 270 Montecillo Dr, Walnut Creek, CA 94595

Property Summary

Property Type	Single Family Home
Details	6 bd · 4 ba · 4,248 sqft · built 1939
Lot Size	1.02 acres (44,823 sqft)
Owner	Company Name on Record
Last Sale	$1,500,000 (May 2019)
Tax Bill	$19,459 (2025)
Deeds & Mortgages	Jan 2022 Mortgage May 2019 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`188-031-027-9`

Property Details

APN / Parcel Number

Primary APN	`188-031-027-9`
Alternative APNs	`188-031-027` `1880310220`

Interior

Bedrooms	6 Beds
Full Baths	4 Baths
Total Rooms	12 Rooms
Stories	1 Story
Building Area	4,248 sqft Living Area
1st Floor Area	4,248 sqft

Exterior

Year Built	Built 1939
Effective Year Built	Effective 1979
Lot Area	44,823 sqft
Garage Type	Attached
Garage Area	715 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central

Location & Zoning

Street Address	270 MONTECILLO DR
City	WALNUT CREEK
State	CA
Zip	94595-2612
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R20
Legal Description	T187PM34 PCL A & POR TR ADJ
Legal Subdivision	SAN RAMON RHO
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	6
Census Block	6012
Census Tract	334200

Owner

Source: Contra Costa County records, as of July 14, 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 Record
Mailing Address	270 MONTECILLO DR, WALNUT CREEK, CA 94595-2612
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Jan 20, 2022	Intrafamily Transfer, Transfer · Conventional Mortgage GUARANTEED RATE INC
May 31, 2019	Grant Deed, Transfer CITADEL SVCNG CORP

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	May 31, 2019 · Amount on Record
Deed Sale	May 31, 2019 · Amount on Record
Prior Sale	May 16, 2011 · Amount on Record
Deed Document Number	201981164
Prior Transfer Date	Nov 18, 1997
Prior Transfer Doc	0000229916
Record Updated	Oct 29, 2026

January 2022: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Jan 20, 2022
Property Address	270 MONTECILLO DR, WALNUT CREEK, CA 94595-2612
Document Number	0000012261
Map Reference	MB 187 PG 34
Instrument Date	Jan 14, 2022
Instrument	2022-012261
Transaction Type	Transfer
Record Updated	Jun 7, 2023
Title Company	CHICAGO TITLE COMPANY

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	270 MONTECILLO DR, WALNUT CREEK, CA 94595-2612

Mortgage

Document Number	0000012262
Date	Jan 20, 2022
Instrument	2022-012262

Lender

Name	GUARANTEED RATE INC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Feb 1, 2052

May 2019: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	May 31, 2019
Property Address	270 MONTECILLO DR, WALNUT CREEK, CA 94595-2612
Document Number	0000081164
Instrument Date	May 23, 2019
Instrument	81164
Transaction Type	Transfer
Record Updated	Jun 11, 2019
Title Company	FIDELITY NATIONAL TITLE, FIDELITY TITLE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$1,650.00
Amount Accuracy	Full Value
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property
Address	270 MONTECILLO DR WALNUT CREEK CA 945952612, WALNUT CREEK, CA 94595-2612

Mortgage

Document Number	81165
Date	May 31, 2019
Instrument	81165

Lender

Name	CITADEL SVCNG CORP
Address	15707 ROCKFIELD BLVD # 320, IRVINE, CA 92618-2874

Agreement

Amount	Amount Recorded
Term	360 Months
Due	May 30, 2049

Tax Assessment & Valuation

Source: Contra Costa County assessment roll, as of July 14, 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

Year	Tax Bill	Assessed Value
2026		$1,706,738 (+2%) Land $1,137,827 Building $568,911
2025	$19,459.00 (+3.83%) Homeowner's exemption	$1,673,273 (+4.04%) Land $1,115,517 Building $557,756
2023	$18,742.00 (+2.29%) Homeowner's exemption	$1,608,300 Land $1,072,201 Building $536,099
2022	$18,322.00

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

Flood

Source: FEMA National Flood Hazard Layer, effective October 12, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Nearest Special Flood Hazard Area	Zone AE, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on Record median of 62 policies
Community Rating System	Class 8 (10% premium discount)
Nearby Flood Policies	62 in force
Nearby Flood Claims	8 (1997–2022)
Claims Outside the SFHA	1 of 8
Most Recent Claim	Dec 2022 · Severe Winter Storms, Flooding, Landslides, And Mudslides
Claims by Event	Severe Winter Storms, Flooding, Landslides, And Mudslides, Dec 2022 · 5 claims

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.

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

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 cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	EAST BAY MUD serves 1,468,000 people · EPA ID CA0110005
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, 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.

Internet Providers

Source: FCC Broadband Data Collection, based on 224 locations within half a mile, as of December 31, 2025

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

May also be available: Etheric Networks, Verizon.

Cell Coverage

5G (outdoors only) and 4G LTE

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