Updated: Sep 05, 2025
Location and Projects
Address
4343 Se 37th Ave Portland, Portland, OR, 97202
Use our bidding system to
request a quote
Gridline Plumbing & Heating
Their BuildZoom score of 0 does not rank in the top 50% of Oregon contractors.
If you are thinking of hiring Gridline Plumbing & Heating, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Gridline Plumbing & Heating Contact Information
Phone Number: (503) 771-8790
Edit
Address: 4343 Se 37th Ave Portland, PORTLAND, OR 97202
Edit
Do you work for this business? Unlock this free profile to update company info and see who's viewing your profile.
Building Permits by Gridline Plumbing & Heating
This is a sample of this contractor's permits. Click here to access their complete permit history.
Plumbing (non-residential) addition/alteration/repair
2025-06-06
Oregon bolt-- ares industrial management tenant improvement. - new interior plumbing fixtures for ares industrial management
Valuation:
N/A
Permit #:
PLMC25-0009
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Interior plumbing for ti: cap (4) lavatories and (4) water closets; addition (1) floor drain (3) lavatories and (1) water closet; install (1) water heater
Valuation:
N/A
Permit #:
PLM2025-0254
Status:
complete
Fee:
$406
Permit Type:
N/A
Building Type:
N/A
Atrium west - interior plumbing for ti: addition (2) clothes washers and (1) 2 floor drain; install (1) primer
Valuation:
N/A
Permit #:
PLM2025-00192
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Interior plumbing for ti: adding (1) 2 floor drain/sink and (1) sink; installing (1) primer and (1) water heater
Valuation:
N/A
Permit #:
PLM2023-00153
Status:
complete
Fee:
$112
Permit Type:
Alter
Building Type:
N/A
Tualatin valley dental - addition (1) clothes washer for existing tenant
Valuation:
N/A
Permit #:
PLM2024-00507
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Interior plumbing for ti: adding (1) dishwasher (1) 2 floor drain (2) 3 floor drains (3) ice machines (9) sinks and (1) clothes washer; replacing (2) 2 floor drains (3) sinks and (3) water closets; installing (1) expansion tank (1) grease trap (1) primer (2) distillers and (2) sanitizers
Valuation:
N/A
Permit #:
PLM2019-00447
Status:
complete
Fee:
$1,063
Permit Type:
Alter
Building Type:
N/A
Interior plumbing for ti: adding (1) dishwasher and (1) sink; installing (1) water heater
Valuation:
N/A
Permit #:
PLM2022-00149
Status:
complete
Fee:
$98
Permit Type:
Alter
Building Type:
N/A
1916-21p woodlands business park
Valuation:
N/A
Permit #:
DRMP21-1784
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
1836-21p woodlands
Valuation:
N/A
Permit #:
DRMP21-0121
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Interior plumbing for ti: adding (1) 2 floor sink and (1) sink; installing (1) primer and (1) water heater
Valuation:
N/A
Permit #:
PLM2023-00116
Status:
complete
Fee:
$112
Permit Type:
Alter
Building Type:
N/A
Cap 1- water closet & 1- sink (changed address from 410 ne 219th to 21920 ne glisan)
Valuation:
N/A
Permit #:
PLMBC-22-02774
Status:
complete
Fee:
$118
Permit Type:
N/A
Building Type:
N/A
Interior plumbing for ti: relocating (1) sink and (1) water closet; installing (1) electric tankless water heater
Valuation:
N/A
Permit #:
PLM2021-00462
Status:
complete
Fee:
$98
Permit Type:
Alter
Building Type:
N/A
Site utilities: 120 ft. of sanitary sewer. 3/4/20: reprint to correct address from 8005 to 8009 sw hunziker. 6/30/20: reprinted permit to correct address
Valuation:
N/A
Permit #:
PLM2020-00087
Status:
expired
Fee:
$157
Permit Type:
Alter
Building Type:
N/A
Plumbing (non-residential) addition/alteration/repair
2022-05-11
Re-locate existing (residential) dishwasher to bigger break room sink cabinet
Valuation:
N/A
Permit #:
PLMC22-0021
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Mendwell health - adding (1) breakroom sink (1) water heater (1) 2 drain for auto washer
Valuation:
N/A
Permit #:
PLM2024-00118
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
1949-22p
Valuation:
N/A
Permit #:
DRMP22-1135
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Interior plumbing for ti: adding (1) sink
Valuation:
N/A
Permit #:
PLM2023-00089
Status:
complete
Fee:
$81
Permit Type:
Alter
Building Type:
N/A
Apex 1842-21p
Valuation:
N/A
Permit #:
DRMP21-0155
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Building a for city leased space - hose bib w vacuum breaker
Valuation:
N/A
Permit #:
PLMBC-24-00967
Status:
complete
Fee:
$124
Permit Type:
N/A
Building Type:
N/A
Addition 1- auto washer rough-in & addition utility sink (rev sub on 6/5 spc)
Valuation:
N/A
Permit #:
PLMBC-24-02097
Status:
complete
Fee:
$152
Permit Type:
N/A
Building Type:
N/A
Similar Contractors See more
123
BZ Score
$11.5K
Avg Project
-
Projects
129
BZ Score
$494K
Avg Project
-
Projects
125
BZ Score
$9K
Avg Project
-
Projects
Gridline Plumbing & Heating Reviews
BuildZoom hasn't received any reviews for Gridline Plumbing & Heating. Click here to be alerted when reviews are posted about them.
Recent Buildzoom Projects
Let us find you an HVAC pro in your area today
We'll search our vast network of HVAC Pros and connect
you with one that meets your needs today.
Gridline Plumbing & Heating License info
License Not Verified
| License # | 74105 |
| Status | Active |
| State | Oregon |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of December, 2024. Check the current license status of Gridline Plumbing & Heating with the Oregon Construction Contractors Board (CCB)
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 74106 |
| Status | Active |
| State | Oregon |
| Type | General Contractor/All |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of May, 2010. Check the current license status of Gridline Plumbing & Heating with the Oregon Construction Contractors Board (CCB)
This is a sample of licensing data; click here to access a complete history.
ALERT*
BuildZoom Score
- How the BuildZoom Score works
- *No active license on file. If you are Gridline Plumbing & Heating, click “This is My Business” to update your information.
Insured
| Insurer | Federated Service Insurance Company |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | 153 Old Republic Surety Co |
| Bond Value | $15,000 |
148
Permits
- Building permit records show that Gridline Plumbing & Heating has worked on 148 permitted projects.
Gridline Plumbing & Heating Employees
DI
Duncan Duncan Inc
Owner
DA
Duncan, Jeffrey A
Corporate Officer
DR
Duncan, John R
Corporate Officer