203 Ada Ave, Mountain View, CA 94043 Property Records

Santa Clara County property record for 203 Ada Ave, Mountain View, CA 94043

Property Summary

Property Type	Multi-Family Dwellings
Details	5 bd · 3 ba · 1,948 sqft · built 1957
Lot Size	1.01 acres (44,225 sqft)
Owner	2 Company Names on File
Tax Bill	$20,648 (2025)
Deeds & Mortgages	Mar 2024 Transfer
Flood Zone	Zone X (reduced by levee)
APN	`160-47-049`

Property Details

APN / Parcel Number

Primary APN	`160-47-049`

Interior

Bedrooms	5 Beds
Full Baths	3 Baths
Total Rooms	10 Rooms
Stories	1 Story
Building Area	1,948 sqft Living Area

Exterior

Year Built	Built 1957
Effective Year Built	Effective 1957
Architectural Style	L-Shape
Construction Type	Wood
Lot Area	44,225 sqft
Garage Type	Attached
Garage Area	720 sqft

Utilities, Heating & Cooling

Heating System	HVAC

Location & Zoning

Street Address	203 ADA AVE
City	MOUNTAIN VIEW
State	CA
Zip	94043-4951
Property Category	Residential
Property Type	Residential > Multi-Unit > Multi-Family Dwellings
Local Zoning Code	R3-3*
Legal Description	LOT 2
Legal Tract	7989
Jurisdiction	SANTA CLARA CA
Township / Civil Division	SAN JOSE
Census Block Group	3
Census Block	3001
Census Tract	509109

Owner

Source: Santa Clara County records · APN 160-47-049

Assessment roll updated July 27, 2026 · Last verified August 2026

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

Owner of Record	2 Company Names on File
Mailing Address	203 ADA AVE, MOUNTAIN VIEW, CA 94043-4951
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust, Family Revocable Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Transfer Date	Feb 16, 2024
Transfer Doc	0025606477
Record Updated	Sep 20, 2026

March 2024: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	SANTA CLARA CA
Recording Date	Mar 06, 2024
Property Address	203 ADA AVE, MOUNTAIN VIEW, CA 94043-4951
Document Number	0025606477
Map Reference	MB P PGS 1
Instrument Date	Feb 16, 2024
Instrument	25606477
Transaction Type	Transfer
Record Updated	Apr 12, 2024

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	203 ADA AVE, MOUNTAIN VIEW, CA 94043-4951

Tax Assessment & Valuation

Source: Santa Clara County records · Assessment roll updated July 27, 2026 · Last verified August 2026

Property Jurisdictions

Type	Name
State	California
County	Santa Clara County
Municipality	Mountain View City
Elementary School District	Mountain View Whisman Elementary School District (KG - 08)
Secondary School District	Mountain View-Los Altos Union School District (09 - 12)

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		$1,725,516 (+6.12%) Land $875,262 Building $850,254
2025	$20,648.00
2023	Homeowner's exemption	$1,625,995 Land $824,780 Building $801,215

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of January 18, 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 reduced by levee · depends on levee performance
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 7 (15% premium discount)
Nearby Flood Policies	2 in force

Wildfire

Wildfire Risk	Not rated no burnable land within ember reach

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 / 250
Verizon Fixed Wireless	300 / 20
Etheric Communications, LLC. Fixed Wireless	250 / 100
Ridge Wireless Fixed Wireless	100 / 60
T-Mobile USA Fixed Wireless	100 / 20

May also be available: AT&T, California Internet, Sail Internet Holdings.

Based on FCC filings for 679 locations within half a mile of this property.

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	CITY OF MOUNTAIN VIEW serves 81,340 people
Water Source	Purchased surface water from several systems
Last State Inspection	Feb 2025
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 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.