Updated: Jul 12, 2026
Location and Projects
Address
Seaside, OR, 97138
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Diamond Heating Inc
Diamond Heating Inc, Seaside, OR (Employee: Nelson, Daniel G) holds a Plumbing license and 3 other licenses according to the Oregon license board.
Their BuildZoom score of 113 ranks in the top 3% of 62,733 Oregon licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Diamond Heating Inc, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Diamond Heating Inc Contact Information
Phone Number: (503) 717-1667
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Diamond Heating Inc Seaside
Quality
113
97th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Diamond Heating Inc has a BuildZoom score of 113, which places them above 97% of 62,733 contractors in Oregon.
Activity
|
3 projects
|
2026 |
|
203 projects
|
2025 |
|
204 projects
|
2024 |
|
203 projects
|
2023 |
Our building permit records indicate that Diamond Heating Inc has worked on at least
613.0 projects over the past 3 years.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
Experience
|
15 projects
|
New Constructions |
|
13 projects
|
Home Additions |
|
3 projects
|
Commercial Renovations |
|
573 projects
|
Mechanical projects |
|
465 projects
|
HVAC projects |
Analyzing permits over the last 4 years shows that Diamond Heating Inc mostly works on
mechanical project
and hvac project
projects.
Pricing
|
93 projects
|
< $5k |
|
410 projects
|
$5k-$20k |
|
48 projects
|
$20k-$50k |
|
14 projects
|
$50k-$100k |
|
6 projects
|
$100k-$250k |
|
3 projects
|
$250k-$500k |
|
2 projects
|
$500k-$1mil |
|
1 project
|
$1mil+ |
The typical size of their permits is approximately $8,985. This graph shows the distribution of these job values.
Pro tip:
For more details about their pricing, check out their recent activity to see how much they have charged for different types of work.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Scope: remove all existing ducting and mechanical equipment. run new gas lines from meter set to new gas furnace locations. install three (3) new trane gas furnaces coils and air conditioning units to serve customers first floor north first floor south and basement floor. install new mitsubishi 1:1 12 000 btu ductless heat pump system to serve customers it room. summary: run new gas l... see more
Valuation:
$151,988
Permit #:
119-25-000085-MECH
Status:
final
Fee:
$1,024
Permit Type:
New
Building Type:
N/A
Room 1-8 (1 gas insert in each room): install eight (8) new lopi radiant plus medium gsb2 gas inserts in customers masonry fireplaces. install new chimney liner. install stainless steel chase cap and high wind top. connect to gas. room 15: install new fpx 32 dvs ember-glo deluxe gsr2 gas insert in customers masonry fireplace. install new co2 detector. install new chimney liner. instal... see more
Valuation:
$64,070
Permit #:
164-25-000113-MECH
Status:
final
Fee:
$1,189
Permit Type:
New
Building Type:
N/A
Furnaces: remove the three (3) low efficiency existing propane furnaces and install three (3) new high efficiency trane 5-ton 2-stage propane furnaces and reconnect to gas piping. re-install existing cased coils and filter systems. reconnect existing refrigerant line sets to cased coils and condensers. reuse existing condensate systems. living area kitchen hoods: vent (24) customer pr... see more
Valuation:
$88,104
Permit #:
851-25-001058-MECH
Status:
final
Fee:
$1,670
Permit Type:
Replacement
Building Type:
N/A
Install new mitsubishi 2-ton ducted air handler w 8kw heater. install new mitsubishi 2-ton hyper heat outdoor heat pump. run new line set to outdoor unit. install new ditek surge protector. install all new supply ducting through out home. install four new returns. install new broan 110 hrv with programmable controls per oregon energy code. install venting for kitchen range and three (... see more
Valuation:
$44,159
Permit #:
851-25-001307-MECH
Status:
issued
Fee:
$186
Permit Type:
New
Building Type:
N/A
Remove existing bryant 3-ton rooftop package unit that serves customers home. install new curb adaptor. remove existing bryant 5-ton rooftop package unit that serves the farmacy dispensary. install new trane 5-ton rooftop package unit that serves the farmacy dispensary. install new curb adaptor
Valuation:
$32,498
Permit #:
119-25-000136-MECH
Status:
issued
Fee:
$399
Permit Type:
Replacement
Building Type:
N/A
Install new trane 95% single stage 60 000 btu gas furnace in customers garage. install new trane coil in new trane gas furnace. install new trane 3-ton xr14 14 seer air conditioning unit on customers back left-hand side of home. run new line set to outdoor unit. install new ditek surge protector
Valuation:
$27,060
Permit #:
917-25-000015-MECH
Status:
final
Fee:
$131
Permit Type:
New
Building Type:
N/A
Reposition customers rheem gas furnace. install new trane coil into customers existing furnace. install new trane 5-ton 16 seer multi speed side discharge heat pump with stainless steel brackets. run new line set through customers basement to outdoor unit. cover in line hide. install new ditek surge protector
Valuation:
$15,898
Permit #:
341-25-000076-MECH
Status:
final
Fee:
$121
Permit Type:
New
Building Type:
N/A
Remove existing electric furnace. install new trane air handler with 15kw heater. reuse customers existing filter cabinet. install new f100 filter. install new condensate pump. install new trane 4-ton 14 seer outdoor heat pump set on new pad. run new line set through customers attic to outdoor unit. reconnect to ductwork. install new ditek surge protector
Valuation:
$16,797
Permit #:
186-25-000887-MECH
Status:
final
Fee:
$141
Permit Type:
New
Building Type:
N/A
Install new mitsubishi 3-ton 3:1 36 000 btu multi-zone ductless heat pump system. remove customers existing outdoor unit and brackets. install new mitsubishi 36 000 btu outdoor heat pump set with new stainless-steel brackets. install one (1) 18 000 btu indoor wall mount unit to serve lobby office space. install two (2) new mitsubishi 6 000 btu indoor wall mount units one (1) each in u... see more
Valuation:
$24,767
Permit #:
769-25-000090-MECH
Status:
applied
Fee:
$123
Permit Type:
Replacement
Building Type:
N/A
Gas furnace: remove existing oil furnace. install new trane 95% single stage 60 000 btu downflow gas furnace. install new pvc venting to vent through roof. install condensate pump and pump to outside. tie into existing ductwork. install co detector. gas insert: remove doors on customers masonry fireplace. install new fpx 616 ember-glo deluxe gsr2 gas insert in masonry fireplace. insta... see more
Valuation:
$18,053
Permit #:
341-25-000044-MECH
Status:
final
Fee:
$243
Permit Type:
Replacement
Building Type:
N/A
Install new mitsubishi 30 000 btu outdoor heat pump. install one new (1) mitsubishi 18 000 btu indoor wall mount unit in customers living room. install one (1) new mitsubishi 12 000 btu indoor wall mount unit in customers master bedroom. run new line set to outdoor unit. install new ditek surge protector
Valuation:
$16,198
Permit #:
186-25-000514-MECH
Status:
final
Fee:
$137
Permit Type:
New
Building Type:
N/A
Install 42 000 btu heat pump on south side of home set on new pad and mounting blocks. install 15 000 btu wall mount unit in customers living room. install 12 000 btu wall mount unit in customers dining room. install two (2) new 6 000 btu wall mount unit in upstairs bedrooms. condensates to gravity drain. run refrigerant line sets from indoor units to outdoor unit cover exposed line s... see more
Valuation:
$17,198
Permit #:
119-25-000030-MECH
Status:
expired
Fee:
$73
Permit Type:
New
Building Type:
N/A
Remove existing pump and controls for hydronic system. existing heaters in home will remain in place. install new mitsubishi 30 000 btu outdoor heat pump on customers left side of home set on new pad and blocks. install one (1) 9 000 btu mitsubishi indoor wall mount unit in customers rv room. install one (1) new mitsubishi 6 000 btu linear ceiling indoor unit in customers primary bedr... see more
Valuation:
$17,497
Permit #:
341-25-000012-MECH
Status:
final
Fee:
$121
Permit Type:
New
Building Type:
N/A
Water heater: remove existing tanked direct vent gas water heater. install new navien npe-240a2 tankless gas water heater. install new valve kit. install new venting to terminate side wall. reconnect to plumbing. reconnect to gas. mitsubishi ductless: install new mitsubishi 30 000 btu outdoor heat pump on customers south side of home. install (1) new mitsubishi 18 000 btu indoor wall ... see more
Valuation:
$16,581
Permit #:
119-25-000010-MECH
Status:
expired
Fee:
$84
Permit Type:
New
Building Type:
N/A
Install mitsubishi 9 000 btu heat pump. install new mitsubishi 9 000 btu wall mount unit in customers guest suite on main floor. condensate to gravity drain. run new line set from indoor unit to outdoor heat pump cover line set in line hide. install new surge protector
Valuation:
$8,827
Permit #:
186-25-000917-MECH
Status:
final
Fee:
$137
Permit Type:
New
Building Type:
N/A
Remove existing general electric 80% 100 000 btu gas furnace. install trane s8x1 80% single stage 100 000 btu gas furnace. install new 6 b vent venting in the garage for new gas furnace and water heater. reconnect to existing gas. install co detectors on all floors that do not have one
Valuation:
$7,029
Permit #:
186-25-000915-MECH
Status:
final
Fee:
$199
Permit Type:
Replacement
Building Type:
N/A
Install new mitsubishi 36 000 btu outdoor heat pump mount with stainless steel brackets on customers home. install one (1) new mitsubishi 18 000 btu indoor wall mount unit in customers living room. install new mitsubishi 15 000 btu indoor wall mount unit in customers upstairs bedroom. run new line set exposed on exterior of home to outdoor unit. cover line set in line hide. install ne... see more
Valuation:
$12,633
Permit #:
119-25-000255-MECH
Status:
issued
Fee:
$73
Permit Type:
New
Building Type:
N/A
Remove existing gas furnace and install new trane cased coil. re-install existing furnace atop new coil. reconnect to gas piping. install new 3.5-ton 14 seer air conditioner. run insulated refrigerant lines from indoor coil to outdoor unit. install new ditek surge protector
Valuation:
$12,254
Permit #:
769-25-000154-MECH
Status:
final
Fee:
$97
Permit Type:
New
Building Type:
N/A
Install one (1) new mitsubishi 36 000 btu multi-zone outdoor heat pump on rear side of home. install one (1) new mitsubishi 18 000 btu indoor wall-mounted unit in living room. install one (1) new mitsubishi 9 000 btu indoor-wall mounted unit in the primary bedroom. install one (1) new 9 000 btu indoor wall-mounted unit in tv room. run new refrigerant line sets from each indoor unit to... see more
Valuation:
$13,588
Permit #:
547-25-000098-MECH
Status:
final
Fee:
$124
Permit Type:
New
Building Type:
N/A
Install new trane coil into customers existing trane gas furnace. tie into existing condensate. install new p-trap. install new trane 3.5 ton xr13 13 seer air conditioning unit. run new line set through garage to outdoor unit. cover line set in line hide. install new ditek surge protector
Valuation:
$11,788
Permit #:
186-25-000742-MECH
Status:
final
Fee:
$137
Permit Type:
New
Building Type:
N/A
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Diamond Heating Inc Reviews
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Diamond Heating Inc License info
Verified License
| License # | 4-35PB |
| Status | Active |
| State | Oregon |
| Type | Plumbing |
| Business Type | Sole Proprietor |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Diamond Heating Inc at the Oregon Building Codes Division.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 317LHR |
| Status | Active |
| State | Oregon |
| Type | Electrical |
| Business Type | Sole Proprietor |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Diamond Heating Inc at the Oregon Building Codes Division.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | B99-2039 |
| Status | Active |
| State | Oregon |
| Type | Boiler |
| Business Type | Sole Proprietor |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Diamond Heating Inc at the Oregon Building Codes Division.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 77979 |
| Status | Active |
| State | Oregon |
| Type | Commercial General Contractor Level 2 Residential General Contractor |
| Business Type | Sole Proprietor |
- When BuildZoom last verified this license, it had an expiration date of February, 2020. Check the current license status of Diamond Heating Inc with the Oregon Construction Contractors Board (CCB)
This is a sample of licensing data; click here to access a complete history.
113
BuildZoom Score
Insured
| Insurer | American Hallmark Insurance Co Of Texas |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | 27 Contractors Bonding Ins Co |
| Bond Value | $20,000 |
Insured
| Workers Comp Provider | Travelers Property Casualty |
1.6K
Permits
- Building permit records show that Diamond Heating Inc has worked on 1553 permitted projects.
Diamond Heating Inc Employees
NG
Nelson, Daniel G
Rmi Owner