What year was the house at 21 Union St, Petaluma, CA built?

The house at 21 Union St, Petaluma, CA was built in 1927.

What type of house is at 21 Union St, Petaluma, CA?

At the house at 21 Union St, Petaluma, CA type Residence for Single Family.

Does the home at 21 Union St, Petaluma, CA have a sales history?

The last sale of a house at 21 Union St, Petaluma, CA was in 1983 for $37,500.

Were there any reported FEMA incidents at 21 Union St, Petaluma, CA?

The last FEMA incident recorded at 21 Union St, Petaluma, CA was in 2006. Other FEMA incidents registered on Union St are available at the link

Search address For sale For rent

Petaluma, CA
Union Street
21 Union Street

21 Union St Petaluma, CA 94952 / 2730

Map

Residence for Single Family

(UPDATED: 10/30/2025)

2 Beds
1 Baths
1.461 square feet

Property Report

Information about property on 21 Union St, Petaluma CA, 94952-2730. Find out owner contacts, building history, price, neighborhood at Homemetry Address Directory.

Property Details

This property with approximately fifteen hundred square feet of living area on 0,08 acres was put up in the twenties.

Facts

Built in 1927
Lot size 3,484 sqft
Floor size 1,461 sqft
Construction Wood
Rooms 4
Bedrooms 2
Stories 1 story
Structure type Other
Parking & Garage
Parking Garage

Misc

Units 1

Listing info

Last sold Apr 1983 for $37,500

Householders and Tenants for 21 Union St, Petaluma CA

Cost estimate history

Year	Tax	Assessment	Market
2014	$4,009	$150,416	N/A

Where is 21 Union St, Petaluma CA located on map?

Union St Incidents registered in FEMA
(Federal Emergency Management Agency)

To date, we have no information about incidents registered in FEMA in 2026

01 Nov 2006 Gas leak (natural gas or LPG)

100 Union St, Petaluma CA

Property Use —

Elementary school, including kindergarten

Properties Nearby

Street Address
9 Union St, Petaluma, CA

View Neighbors

Petaluma, CA
Union Street
21 Union Street

Union Street

Recently Sold Homes on Union Street (1)

Petaluma, CA

Houses for Sale on Petaluma, CA (255)

Recently Sold Homes on Petaluma, CA (3420)

Houses for Rent on Petaluma, CA (27)

Recent rentals on Petaluma, CA (303)

Browse homes in Petaluma, CA

Street Address
900 LOHRMAN LN, Petaluma CA
1004 DANIEL DR, Petaluma CA
884 BODEGA AVE, Petaluma CA
809 MAPLE DR, Petaluma CA

FAQ about the house at 21 Union St, Petaluma, CA

What year was the house at 21 Union St, Petaluma, CA built? The house at 21 Union St, Petaluma, CA was built in 1927.
What type of house is at 21 Union St, Petaluma, CA? At the house at 21 Union St, Petaluma, CA type Residence for Single Family.
Does the home at 21 Union St, Petaluma, CA have a sales history? The last sale of a house at 21 Union St, Petaluma, CA was in 1983 for $37,500.
Were there any reported FEMA incidents at 21 Union St, Petaluma, CA? The last FEMA incident recorded at 21 Union St, Petaluma, CA was in 2006. Other FEMA incidents registered on Union St are available at the link.

NOTICE: You may not use Homemetry or the information it provides to make decisions about employment, credit, housing or any other purpose that would require Fair Credit Reporting Act (FCRA) compliance. Homemetry is not a Consumer Reporting Agency (CRA) as defined by the FCRA and does not provide consumer reports.