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Location and Projects

Address
1225 S WELLER, STE 500, Seattle, WA, 98144
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Marpac Construction LLC

Since 1995, Marpac Construction LLC has managed a wide range of projects across Seattle and the surrounding Northwest region, including extensive work in affordable housing and community-focused developments. Headquartered in Seattle’s International District, the firm operates as a full-service construction partner, combining estimating, value engineering, scheduling, mechanical engineering, and constructability analysis for projects of varying sizes. Marpac’s portfolio features over $900 million in negotiated projects completed during their three decades in business, with current projects exceeding $100 million. The leadership team includes principals such as Sai Chaleunphonh overseeing preconstruction, Nat Nguyen in estimating, and Will Ng in construction. Marpac’s project management capabilities extend to sustainable construction and integrating information technology solutions, serving clients from initial planning through execution.

Marpac Construction LLC Contact Information

Phone: (206) 329-4992 Edit
Address: 1225 S WELLER, STE 500, Seattle, WA 98144 Edit

Marpac Construction LLC Seattle

Quality

100
87th percentile
Pro tip: We generally recommend hiring a contractor with a score higher than 95.
Marpac Construction LLC has a BuildZoom score of 100, which places them above 87% of 128,670 contractors in Washington.

Activity

7 projects
2025
9 projects
2024
6 projects
2023
Our building permit records indicate that Marpac Construction LLC has worked on at least 22.0 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.

Experience

3 projects
Home Additions
3 projects
New Constructions
Analyzing permits over the last 4 years shows that Marpac Construction LLC mostly works on new construction and home addition projects.

Pricing

1 project
$5k-$20k
5 projects
$20k-$50k
5 projects
$1mil+
Value Not Public: 10.0 projects
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.

Building Permits by Marpac Construction LLC

Sort by: Notable Notable | Date Date | Job Value Job Value
Commercial new building
2025-03-07
Priority - new (43) unit five-story type v-a construction of affordable family housing. first floor to contain a community room and residential amenities along with ancillary utility spaces. project to have a mix of 1-bedroom and 2 bedroom units. **note: separate permits are required for mechanical electrical and plumbing for fixtures and equipment and a tacoma public utilities permit... see more
Valuation:
$14,000,000
Permit #:
BLDCN23-0011
Status:
final
Fee:
$91,127
Permit Type:
N/A
Building Type:
N/A
Commercial new building
2024-12-30
New construction of 3-story multifamily building of type va construction. 17 affordable housing units in total comprised of 1-bedroom units. **note: separate permits are required for mechanical electrical and plumbing for fixtures and equipment and a tacoma public utilities permit. **frc23-0182 (09/27/2023): based on soil conditions at the site and the high cost of over excavation the... see more
Valuation:
$6,000,000
Permit #:
BLDCN23-0012
Status:
final
Fee:
$41,482
Permit Type:
N/A
Building Type:
N/A
Site development
2025-09-09
Priority - shiloh baptist church proposes the construction of new residential affordable housing at 813 and 815 south 13th street tacoma washington. the project consists of a new multi-family residential building utility improvements and site improvements to support the program. reconstruction of sidewalk curb gutter and asphalt on south 13th street adjacent to the site as well as dri... see more
Valuation:
$6,000,000
Permit #:
SDEV22-0433
Status:
final
Fee:
$17,573
Permit Type:
N/A
Building Type:
N/A
Site development
2025-04-22
Priority - shiloh baptist church proposes the construction of new residential affordable housing at 1206 and 1208 south i street tacoma washington. the project consists of a new multi-family residential building utility improvements and site improvements to support the program. the project site is located on tax parcels 2012180030 and 2012180051 and is bounded by residential housing t... see more
Valuation:
$12,500,000
Permit #:
SDEV22-0432
Status:
final
Fee:
$16,296
Permit Type:
N/A
Building Type:
N/A
Commercial new building
2024-12-20
Priority - construction of a 6 story mixed use apartment building;va wood frame over type ia concrete frame. 88 affordable apartments for seniors with approximately 2 300 sf of community learning space/adjacent kitchen. surface parking is provided off alley. mechanical electrical and plumbing are to be submitted separately related to sdev22-0339 ** frc23-0089 - 04-27-23 - updates to g... see more
Valuation:
$27,000,000
Permit #:
BLDCN22-0066
Status:
final
Fee:
$154,927
Permit Type:
N/A
Building Type:
N/A
Building - commercial
2023-12-14
Impact black river elementary school. change of occupancy from m to e. renovation of existing vacant structure for educational use. 39, 104 sq ft. a certificate of occupancy is required to be issued upon project completion. please coordinate this review with your assigned building inspector. 8/11/2023-revision 1 approved. plans sheets aa1.00 c2.00 c2.01 a1.10 a2.00 a2.10 a2.20 a2.72 a... see more
Valuation:
$10,500,000
Permit #:
B22002477
Status:
final
Fee:
$111,733
Permit Type:
N/A
Building Type:
N/A
Clearing & grading
2025-05-21
C&g. remove significant tree sawcut pavement trench install and connect waterpipes to existing waterline in public row. grind & overlay asphalt in row per cob standards. replace concrete curbs. tenant improvement renovation of an existing one-story 13 200 sf building to be used as an auto repair and washing service. existing service area interior work includes removal of interior wall... see more
Valuation:
N/A
Permit #:
24 126916 GD
Status:
final
Fee:
$2,681
Permit Type:
N/A
Building Type:
N/A
Commerical dev
2025-05-23
Right of way. sawcut pavement trench install and connect waterpipes to existing waterline in public row. grind & overlay asphalt in row per cob standards. replace concrete curbs. tenant improvement renovation of an existing one-story 13 200 sf building to be used as an auto repair and washing service. existing service area interior work includes removal of interior walls installation ... see more
Valuation:
N/A
Permit #:
24 126145 TN
Status:
final
Fee:
$2,560
Permit Type:
N/A
Building Type:
N/A
Undergr sprnklr main
2025-06-20
Renovation of an existing one-story 13 200 sf building to be used as an auto repair and washing service. the building occupancy will be s-1 motor vehicle repair garages. existing service area interior work includes removal of interior walls installation of fire sprinkler new interior walls and plumbing fixtures. existing mezzanine storage area to be updated with structure addition new... see more
Valuation:
N/A
Permit #:
24 123369 FD
Status:
final
Fee:
$2,030
Permit Type:
N/A
Building Type:
N/A
Utility extension
2024-12-18
Renovation of an existing one-story 13 200 sf building to be used as an auto repair and washing service. the building occupancy will be s-1 motor vehicle repair garages. existing service area interior work includes removal of interior walls installation of fire sprinkler new interior walls and plumbing fixtures. existing mezzanine storage area to be updated with structure addition new... see more
Valuation:
N/A
Permit #:
24 123364 UE
Status:
issued
Fee:
$9,193
Permit Type:
N/A
Building Type:
N/A
Renovation of an existing one-story 13 200 sf building to be used as an auto repair and washing service. the building occupancy will be s-1 motor vehicle repair garages. existing service area interior work includes removal of interior walls installation of fire sprinkler new interior walls and plumbing fixtures. existing mezzanine storage area to be updated with structure addition new... see more
Valuation:
N/A
Permit #:
24 120287 BE
Status:
final
Fee:
$1,253
Permit Type:
N/A
Building Type:
N/A
Init'l building out/chng
2025-10-17
Renovation of an existing one-story 13 200 sf building to be used as an auto repair and washing service. the building occupancy will be s-1 motor vehicle repair garages. existing service area interior work includes removal of interior walls installation of fire sprinkler new interior walls and plumbing fixtures. existing mezzanine storage area to be updated with structure addition new... see more
Valuation:
N/A
Permit #:
24 120190 BY
Status:
final
Fee:
$16,885
Permit Type:
N/A
Building Type:
N/A
Building Permit
2024-08-29
Scriber lake alter. hs- remodel (adding restroom) plumbing not incl, scope generally consists of dividing a storage room to addition a single user all gender staff toilet room. work will include a limited amount of electrical plumbing and mechanical effort to addition a water closet and sink to the space. the new toilet room will be fully code compliant
Valuation:
N/A
Permit #:
BLD2024-0345
Status:
final
Fee:
$2,133
Permit Type:
N/A
Building Type:
N/A
Sidewalk closure - construction of a six story mixed use apartment building of type va wood frame construction over type ia concrete frame construction
Valuation:
N/A
Permit #:
RUSE23-0209
Status:
complete
Fee:
$412
Permit Type:
N/A
Building Type:
N/A
Fire hot works otc
2023-09-07
Vmp|when submitting an application please ensure you have attached all required documents.|certification: by using this portal to apply for permits i certify i am the owner of the property or the owner's authorized agent. if acting as an authorized agent i further certify that i have full power and authority to file this application and to perform on behalf of the owner all acts requi... see more
Valuation:
N/A
Permit #:
F22-0215
Status:
final
Fee:
$184
Permit Type:
Temporary - hot w...
Building Type:
N/A
Residential demolition
2024-09-11
Demolition of existing single family residence construction of new 3 story affordable housing
Valuation:
$30,000
Permit #:
DEMOR23-0058
Status:
final
Fee:
$205
Permit Type:
N/A
Building Type:
N/A
Residential demolition
2024-09-11
Demolition of existing single family residence construction of new 3 story affordable housing
Valuation:
$30,000
Permit #:
DEMOR23-0057
Status:
final
Fee:
$205
Permit Type:
N/A
Building Type:
N/A
Residential demolition
2024-09-11
Demolition of existing single family residence in preparation for construction of new housing
Valuation:
$30,000
Permit #:
DEMOR23-0056
Status:
final
Fee:
$205
Permit Type:
N/A
Building Type:
N/A
Residential demolition
2024-09-11
Demolition of existing single family residence in preparation for construction of new 3 story affordable housing
Valuation:
$30,000
Permit #:
DEMOR23-0055
Status:
final
Fee:
$205
Permit Type:
N/A
Building Type:
N/A
Residential demolition
2024-09-11
Demolition of existing single family residence to prepare for construction of new 3 story affordable housing
Valuation:
$30,000
Permit #:
DEMOR23-0054
Status:
final
Fee:
$205
Permit Type:
N/A
Building Type:
N/A

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