4228 Oak Knoll Dr, Dublin, CA 94568 Property Records

Alameda County property record for 4228 Oak Knoll Dr, Dublin, CA 94568

Property Summary

Property Type	Planned Unit Development
Details	4 bd · 5 ba · 3,445 sqft · built 2017
Lot Size	0.115 acres (5,031 sqft)
Owner	Trust Name on File
Last Sale	$1,401,000 (Aug 2017)
Tax Bill	$21,014 (2025)
Deeds & Mortgages	Aug 2020 Transfer Aug 2017 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`986-47-38`

Property Details

APN / Parcel Number

Primary APN	`986-47-38`
Alternative APN	`986-0047-038-00`

Interior

Bedrooms	4 Beds
Full Baths	5 Baths
Half Baths	1 Half Bath
Total Rooms	7 Rooms
Stories	2 Stories
Building Area	3,445 sqft Living Area

Exterior

Year Built	Built 2017
Architectural Style	Other
Construction Type	Wood
Lot Area	5,031 sqft (0.115 acres)
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	4228 OAK KNOLL DR
City	DUBLIN
State	CA
Zip	94568-4691
Property Category	Residential
Property Type	Residential > Condominium / Townhouse > Planned Unit Development
Jurisdiction	ALAMEDA CA
Township / Civil Division	LIVERMORE-PLEASANTON
Census Block Group	1
Census Block	1017
Census Tract	450752

Owner

4228 Oak Knoll Dr, a planned unit development, is owner-occupied and held in a trust since August 2020.

Source: Alameda County records, as of October 20, 2025

Owner of Record	Trust Name on File
Mailing Address	4228 OAK KNOLL DR, DUBLIN, CA 94568-4691
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Date	Document
Aug 24, 2020	Quit Claim Deed, Transfer ATTORNEY ONLY
Aug 15, 2017	Grant Deed, Subdivision Related Transfer · ARM DHI MORTGAGE COMPANY LTD

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Aug 15, 2017 · Amount on File
Deed Sale	Aug 15, 2017 · Amount on File
Prior Sale	Aug 15, 2017 · Amount on File
Deed Document Number	0000178102
Last Transfer Date	Aug 24, 2020
Transfer Doc	0000207945
Record Updated	Jun 8, 2026

August 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	ALAMEDA CA
Recording Date	Aug 24, 2020
Property Address	4228 OAK KNOLL DR, DUBLIN, CA 94568-4691
Document Number	0000207945
Instrument Date	Apr 22, 2020
Instrument	207945
Transaction Type	Transfer
Record Updated	Oct 19, 2020
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	4228 OAK KNOLL DR DUBLIN CA 945684691, DUBLIN, CA 94568-4691

August 2017: Grant Deed, Subdivision Related Transfer

Document Type	Grant Deed
Jurisdiction	ALAMEDA CA
Recording Date	Aug 15, 2017
Property Address	4228 OAK KNOLL DR, DUBLIN, CA 94568-4691
Document Number	0000178102
Map Reference	MB335 PG28-34
Instrument Date	Jul 27, 2017
Instrument	2017178102
Transaction Type	Subdivision Related Transfer
Record Updated	Aug 19, 2021
Title Company	FIRST AMERICAN TITLE COMPANY

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property
Address	4228 OAK KNOLL DR, DUBLIN, CA 94568-4691

Mortgage

Document Number	0000178103
Date	Aug 15, 2017
Instrument	2017178103

Lender

Name	DHI MORTGAGE COMPANY LTD
Type	Mortgage Company

Agreement

Type	ARM
Amount	Amount on Record
Term	361 Months
Due	Sep 1, 2047

Interest

Rate Type	Adjustable Rate
Rate	3.25%
Type Change Date	Sep 1, 2024
Change Frequency	Annually
Min Rate At Change	2.25%
Max Rate At Change	8.25%
Index	1-Year LIBOR
Max Rate	8.25%

Tax Assessment & Valuation

The 2025 property tax bill for 4228 Oak Knoll Dr was $21,014.

Source: Alameda County assessment roll, as of July 1, 2025

Property Jurisdictions

Type	Name
State	California
County	Alameda County
Municipality	Dublin City
Unified School District	Dublin Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2025	$21,014.00	$1,593,843 Land $478,107 Building $1,115,736
2023	$20,473.00	$1,531,956 Land $459,543 Building $1,072,413

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

Flood

FEMA maps place 4228 Oak Knoll Dr in Zone X, an area of minimal flood risk, though there have been 2 flood claims nearby since 1997.

Source: FEMA National Flood Hazard Layer, effective May 25, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 7 (15% premium discount)
Nearby Flood Policies	5 in force
Nearby Flood Claims	2 (1997–2008)
Claims Outside the SFHA	2 of 2
Most Recent Claim	Aug 2008 · other causes

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

Wildfire risk around 4228 Oak Knoll Dr is low, with a 0.05% annual chance of wildfire.

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

Wildfire Risk	Low lower than 64% of the US · lower than 79% of California
Wildfire Likelihood	0.05% annual chance
Exposure	Indirect within ember reach

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	DUBLIN SAN RAMON SERVICES DISTRICT serves 98,776 people · EPA ID CA0110009
Water Source	Purchased surface water from ZONE 7 WATER AGENCY
Last State Inspection	Sep 2024
Lead	Under 1 ppb (2023–2025) 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.

Internet Providers

Source: FCC Broadband Data Collection, based on 360 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber	5,000 / 5,000
Xfinity Cable · Fiber in parts of the area	2,000 / 2,000
Unwired Fixed Wireless	300 / 25
Etheric Networks Fixed Wireless	250 / 100
T-Mobile Fixed Wireless	100 / 20

May also be available: Verizon.

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