Construction companies in San Francisco: list of 10 free CSV

How many construction companies are in San Francisco?

OpenStreetMap lists 10 named construction companies inside the San Francisco city boundary (601 km²), extract of 11 Nov 2026. 60% of the records list a website and 70% a phone number; 4 named construction companies have no website on the public record.

Examples on the list: Abbeyside Construction, Alpha Bay Builders, Inc., Cairn Construction.

Construction companies in San Francisco at a glance: most are in Bernal Heights (4), Noe Valley (2); records were last edited between May 2023 and Aug 2026.

Edited on the map in the 90 days before the extract: 2 records, including Cairn Construction, Edri Construction.

10named construction companies

60%list a website

4no website listed

6neighbourhoods

Download all 10 as CSV Get emails, phones and ratings

Data © OpenStreetMap contributors, ODbL, extract of 11 Nov 2026. The CSV is under the same licence.

4 with no website3 non-chain, edited since 2022.Filter to them
4 in Bernal HeightsPlan a territory by neighbourhood or postcode.Only Bernal Heights

All 10 construction companies, A to Z

on the map recordmissing from the record

Construction companies in San Francisco, OpenStreetMap extract of 11 Nov 2026.
Business	Street and area	Website
A
Abbeyside Construction	649 Diamond Street, Noe Valley	abbeysideconstruction.com
Alpha Bay Builders, Inc.	3314 Cesar Chavez Street, Bernal Heights
C
Cairn Construction	3928 Geary Boulevard, Inner Richmond	cairnconstruction.com
Citidev	1431 Castro Street, Noe Valley	citidev.com
D
Danny’s Construction Company, Incorporated	Financial District, no street on record
E
Edenavow Construction & Design	301 Eureka Street, Castro District	edenavowconstruction.com
Edri Construction	701 Cortland Avenue, Bernal Heights	edriconstruction.com
H
Harmony	1599 Dolores Street, Bernal Heights	harmonysf.com
R
Rossi Builders	3127 Mission Street, Bernal Heights
S
Seismic Retrofitters	650 Divisadero Street, Western Addition

Download the full CSV (10 rows)

Also as Excel file of the 10 construction companies, GeoJSON file of the 10 construction companies, KML file of the 10 construction companies (maps and spreadsheets; same rows, same licence).

Construction companies in San Francisco with no website listed

3 of 10 named non-chain construction companies.

Alpha Bay Builders, Inc.3314 Cesar Chavez Street, Bernal Heights, phone listed
Rossi Builders3127 Mission Street, Bernal Heights
Seismic Retrofitters650 Divisadero Street, Western Addition, phone listed

Show all of them Every kind of business in San Francisco without a website

Where they are

Map of the 10 construction companies inside the San Francisco boundary; most sit around Bernal Heights, Noe Valley, Castro District. — website listedno website, or social page only

By neighbourhood

Black: website listed.

What the records hold

10 map records.
Field	Records	Share
Street address	9	90%
Website (own site)	6	60%
Phone on file	7	70%
Email on file (not shown)	1	10%
Edited since January 2024	9	90%

Half the records were last edited in Jul 2026 or later.

Why other sites show a different number

Coverage. 10 mapped; Google Maps holds more.
Boundary. 601 km² (map); metro searches count more.
Names. No branches.

Get the complete list with emails, phones and ratings

Businesses to contact, not customer enquiries ("leads" for your own business are a different product).

Suggested source for this list

Google Maps Business Lead & Email Finder

It searches Google Maps for the same category and city and can add emails from each business website.

Emails
Phone numbers
Websites
Star ratings
Review counts
Social profiles
no opening hours

One run: about $0.41 to $0.52 for 10 to 120 rows ($0.99 per 1,000 + $0.40 start fee (4 GB run)), plus platform usage ($0.80/hour).

Free plan prices; it includes $5 a month (Apify pricing).

How to run it, step by step

Open Google Maps Business Lead & Email Finder on the Apify Store and sign in or create a free Apify account.
Paste this search into Search phrases.
1. construction companies in San Francisco, CA
Set Country: United States.
Set Maximum leads to 200.
Start it and download the results as CSV or Excel.

Open on the Apify Store What this source returns

Other ways to build or enrich it

Prices on the Free plan: per 1,000 results plus a start fee per GB of run memory, plus Apify platform usage.
Source	What it adds	Price
Google Maps Business Lead Finder with Email & Social Links	a second Google Maps route with a different set of columns	$0.99 per 1,000 + $0.10/GB start
Yelp Business Search & Review Scraper	Yelp listings with ratings and review counts	$0.99 per 1,000 + $0.10/GB start
Houzz Pro Directory Finder by City & Category	lists home-improvement professionals by city and category	$0.99 per 1,000 + $0.10/GB start
Website Contact Page Email & Phone Crawler	reads the websites in the free CSV and returns the emails and phone numbers published there	$0.99 per 1,000 + $0.10/GB start
Facebook Business Page Finder by Keyword & City	finds the Facebook pages of businesses that have no website	$0.99 per 1,000 + $0.10/GB start

Builders in other cities

City	Named	Website listed
Construction companies in New York City	35	17%
Construction companies in San Jose	29	71%
Construction companies in Phoenix	12	25%
Construction companies in Portland	11	82%
Construction companies in Dallas	10	40%
Builders in Paris	75	32%
Builders in London	46	45%
Builders in Berlin	46	54%
Construction companies in Calgary	40	75%
Builders in Brisbane	30	47%

Every city for builders

More lists in San Francisco

All San Francisco lists

How San Francisco compares: the local digital gap in San Francisco, every kind of business with and without a website on the map.

Questions

How many construction companies are there in San Francisco?

At least 10: that is how many OpenStreetMap has inside the San Francisco city boundary, 10 with a name (extract of 11 Nov 2026). None are tagged as chain branches. Google Maps usually lists more, because more owners add themselves there.

Which part of San Francisco has the most construction companies?

Bernal Heights (4), then Noe Valley (2) and Castro District (1). 6 neighbourhoods have at least one.

How many construction companies in San Francisco have no website?

4 of the 10 named construction companies have no website on their map record; 3 of them are not chain branches.

How do I get phone numbers and emails for construction companies in San Francisco?

Run Google Maps Business Lead & Email Finder with the search "construction companies in San Francisco, CA". One run costs about $0.41 to $0.52 ($0.40 start fee (4 GB run) included), plus platform usage, for 10 to 120 rows.

Sources

OpenStreetMap extract for San Francisco, checked 2026-11-11
OpenStreetMap copyright and licence
Google Maps Business Lead & Email Finder on the Apify Store, checked 2026-11-13

Using the list: credit OpenStreetMap contributors and keep changed copies under the ODbL; follow the outreach rules where you send. Licence and limits.