Property Details

This is an extensive single-family two possession, which is situated at 494 20th Avenue, San Francisco, CA.

Facts

Built in 1916
Lot size 687 sqft
Floor size 2,376 sqft
Construction Wood
Rooms 9
Bedrooms 4
Bathrooms 3
Stories 2 story with basement
Basement Basement (not specified)

Misc

Units 1

Householders and Tenants for 494 20th Ave, San Francisco CA

Possible residents contact details

Person Name	Phone Number	Additional Info
Chang H Chang	415-387-****	Residential status: Homeowner Email: [email protected]
Changhua Chen Chang	415-387-****
Karen Ng	415-831-****
Lanting Chen	415-221-****
Nancy Chang	415-387-****
Ruoyun Sun Age: 50	415-933-****
Sum Yue	415-221-****
Wendy Y Wong Age: 66	415-221-****
Yen-Chen Chang	415-387-****
Yen-Chi Chang	415-387-****
Yen W Chang Age: 65	510-472-****	Residential status: Homeowner Job: Precision Production Occupations
Yim Lee	415-386-****
Ying C Kao
Yue S Wo	415-221-****	Residential status: Renter Job: Precision Production Occupations
Yue Sum	415-221-****
Yue Yue	415-221-****

Cost estimate history

Year	Tax	Assessment	Market
2014	$5,048	$408,104	N/A

Where is 494 20th Ave, San Francisco CA located on map?

Market Activities

To date, we have no information about market activities in 2025

Sep 2024 Listed for sale

494 20th Ave

Price history :

$2.7M

Single Family
2,539 sqft
5 beds
4 baths

Jul 2024 Listed for sale

494 20th Ave

Price history :

$3M

Single Family
2,539 sqft
5 beds
4 baths

Feb 2022 Sold

494 20th Ave

Price history :

$1.91M

Single Family
2,376 sqft
5 beds
3 baths

Aug 2021 Sold

494 20th Ave

Price history :

$1.6M

Single Family
2,376 sqft
5 beds
3 baths

20th Ave Fire Incident History

To date, we have no information about fire incidents in 2025

11 Oct 2019 Fire, other

3251 20th Ave, San Francisco CA

Property Use —

Vehicle parking area

Area of Origin —

Exterior, exposed surface

First Ignition —

Item First Ignited, Other

Heat Source —

Hot or smoldering object, other

07 Jun 2019 Dumpster or other outside trash receptacle fire

3251 20th Ave, San Francisco CA

Property Use —

General retail, other

Area of Origin —

Chute/container - trash, rubbish, waste

First Ignition —

Rubbish, trash, or waste

Heat Source —

Hot or smoldering object, other

26 Jan 2019 Grass fire

3251 20th Ave, San Francisco CA

Property Use —

Department or discount store

Area of Origin —

Other

First Ignition —

Light vegetation - not crop, including grass

Heat Source —

Hot or smoldering object, other

02 Nov 2018 Natural vegetation fire, other

1655 20 Ave, San Francisco CA

Property Use —

1 or 2 family dwelling

Area of Origin —

Outside area, other

First Ignition —

Light vegetation - not crop, including grass

Heat Source —

Match

20 Ave Incidents registered in FEMA
(Federal Emergency Management Agency)

To date, we have no information about incidents registered in FEMA in 2025

20 Nov 2015 Gas leak (natural gas or LPG)

1211 20 Ave, San Francisco CA

Property Use —

1 or 2 family dwelling

16 Nov 2015 Power line down

748 20th Ave, San Francisco CA

Property Use —

Residential, other

01 Oct 2015 Cooking fire, confined to container

3251 20th Ave, San Francisco CA

Property Use —

Restaurant or cafeteria

23 Jul 2015 Cooking fire, confined to container

1956 20 Ave, San Francisco CA

Property Use —

1 or 2 family dwelling

20 Ave Crime Incidents History

To date, we have no information about crime incidents in 2025

12 Mar 2013 Other

3200 Block 20 Ave, San Francisco CA

Case Number —

1303M-2346

Description —

All Other Agencies

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618 20 Ave, San Francisco, CA 94121-3832 Multi-Family Home 2 baths Lot: 3,000 sqft Built in 1921	Lee S Hung, Shu H Lee