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Location and Projects

Address
1009 S Railroad Ave, San Mateo, CA, 94402
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Sea Construction Inc

SEA began life as a Design and Build firm in 1989. Our reputation is built on honesty, outstanding quality, creative solutions, innovative designs, attention to detail, and transparency with all our Clients.

We excel at what we do because we are a highly-experienced team, from initial design through final inspection. Many of our employees and contractors have been with us for more than 20 years and are an integral part of the SEA family. They work tirelessly to exceed your expectations, taking tremendous pride in the work that they do.

From BuildZoom: Sea Construction Inc, 1009 S Railroad Ave, San Mateo, CA (Owned by: Steven Eric Atwood) holds a General Building license and 3 other licenses according to the California license board.

Their BuildZoom score of 110 ranks in the top 4% of 336,931 California licensed contractors.

Their license was verified as active when we last checked. If you are thinking of hiring Sea Construction Inc, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.

Sea Construction Inc Contact Information

Phone: (510) 295-7840
Address: 1009 S Railroad Ave, San Mateo, CA 94402

Sea Construction Inc San Mateo

Quality

110
96th percentile
How is the BuildZoom score calculated?
Pro tip: We generally recommend hiring a contractor with a score higher than 95.
Sea Construction Inc has a BuildZoom score of 110, which places them above 96% of 336,931 contractors in California.

Activity

13 projects
 2025
9 projects
 2024
31 projects
 2023
Our building permit records indicate that Sea Construction Inc has worked on at least 53.0 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

10 projects
 Home Additions
15 projects
 Multi-room remodels
11 projects
 Kitchen remodels
Analyzing permits over the last 4 years shows that Sea Construction Inc mostly works on multi-room remodel and kitchen remodel projects.

Pricing

6 projects
 $5k-$20k
12 projects
 $20k-$50k
5 projects
 $50k-$100k
13 projects
 $100k-$250k
3 projects
 $250k-$500k
1 project
 $500k-$1mil
Value Not Public: 9.0 projects
The typical size of their permits is approximately $68,868. 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.

Sea Construction Inc Reviews
3 out of 5 stars, based on 1 review

  • By Leigh
    May 27, 2017
    Verified Hire

    I love the product and it looks good. Sea Construction, not so much and I have given the owner a list of my complaints about the work crew, for example:
    1) they left my backyard dangerously messy every day
    2) they did not tell me when the dumpster and materials would be delivered and if I had not been home, my driveway would have been blocked
    3) The "kid" who was waiting for the inspector was in his car across the street, paying no attention to the arrival of the inspector, so when the inspector arrived, I had to point out "the kid"
    4) when they were finished there was still a lot of cleanup and touch up to do so I had to call them back.

    The foreman was a craftsman and did a fabulous job with replacing the shelf that was taken down.

    I would recommend they get an estimate from the guy who did about 4 other houses in the neighborhood, A "Tran", "Trong", something like that.
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Building Permits by Sea Construction Inc

Sort by: Notable Notable | Date Date | Job Value Job Value

This is a sample of this contractor's permits. Click here to access their complete permit history.

Single family (addition) - add/alter
34 Avila Rd, San Mateo, CA, 94402
2023-03-22
First and second story addition at rear of home window replacements throughout and minor renovations. addition powder room and deck. demolish and existing rear kitchen and dining room and building new 209 sq. ft. for a larger kitchen on the ground floor and a 380 sq. ft. new master bedroom suite. total new area is 589 sq. ft. revision #1 - update to fireplace specifications. addition ... see more
Valuation:
$337,924
Permit #:
BD-2021-279984
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Single family (addition) - addition
215 Harvard Rd, San Mateo, CA, 94402
2025-11-03
Single family dwelling 2nd story addition to existing 2-story single family dwelling. main house addition of 319sf (272sf @ 1st floor & 47sf @ 2nd floor). remodel 1 430sf of existing residence. addition new rear deck of 223sf. *adu under separate permit bd-2023-291033 field revision1: sheet f1.0 correction to fire sprinkles required for this project. tn 10/30/2025
Valuation:
$496,556
Permit #:
BD-2023-289088
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Demolition (minor major pool)
301 Belmont Ave, Redwood City, CA, 94061
2025-10-21
Demolish (e) 250 sf cmu block garage to building new adu over new garage related: bld2025-02819_new detached garage & adu
Valuation:
N/A
Permit #:
BLD2025-02980
Status:
filed
Fee:
$685
Permit Type:
N/A
Building Type:
N/A
Commercial - alteration
100 Oak Rim Way, Los Gatos, CA, 95032
2023-03-15
Building c- install hardie plank lap siding and hardie shingle siding on exterior walls of all buildings per proposed elevations.  remove existing wooden shade screen slats. remove (2) shade screen structural posts typ. ea. window group per elevations. remove existing metal entry awnings at all buildings typ.  provide new gabled porch architectural feature over entry doors and ground ... see more
Valuation:
$135,000
Permit #:
B21-1003
Status:
final
Fee:
$3,412
Permit Type:
N/A
Building Type:
Apartment houses
Commercial - alteration
100 Oak Rim Way, Los Gatos, CA, 95032
2023-03-15
Building b- install hardie plank lap siding and hardie shingle siding on exterior walls per proposed elevations. remove existing wooden shade screen slats. remove (2) shade screen structural posts typ. ea. window group per elevations. remove existing metal entry awnings.  provide new gabled porch architectural feature over entry doors and ground floor windows for street-facing elevati... see more
Valuation:
$135,000
Permit #:
B21-1002
Status:
final
Fee:
$3,425
Permit Type:
N/A
Building Type:
Apartment houses
Commercial - alteration
100 Oak Rim Way, Los Gatos, CA, 95032
2023-03-15
Builidng a- install hardie plank lap siding and hardie shingle siding on exterior walls. remove existing wooden shade screen slats.  remove shade screen structural posts. provide new metal awnings at entry doors for building a only. replace existing exterior entry w new exterior shielded led down light fixtures typ
Valuation:
$143,820
Permit #:
B21-1001
Status:
final
Fee:
$1,159
Permit Type:
N/A
Building Type:
Apartment houses
Residential new single family multi family manufactured detached adu
301 Belmont Ave, Redwood City, CA, 94061
2025-10-06
New detached adu (614 sf) over new detached garage & storage (573 sf) -a. new ductless heat-pump system -b. electric water heater -c. all new kitchen and bathroom -d. new 200 amp main panel and 100 amp sub panel for adu total 2 bed 1bath @ adu related: bld2025-02980_demo
Valuation:
N/A
Permit #:
BLD2025-02819
Status:
filed
Fee:
$4,551
Permit Type:
N/A
Building Type:
N/A
Single family (addition) - add/alter
1724 2nd Ave, San Mateo, CA, 94401
2024-10-15
Single family dwelling addition of 175sf and remodel of 455sf. create a new master suite with bathroom. remodel hallway bathroom alteration of walls to bedroom 1 & 2 and new rear exterior door and landing in bedroom 2
Valuation:
$197,384
Permit #:
BD-2023-291712
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Single family (alteration/repair) - alter
22 Ridgecrest Ter, San Mateo, CA, 94402
2023-09-20
Remodel 534sf to (e) 2-story sfd: 1st floor remodel kitchen with new layout and kitchen island; remodel closet layout under stairs and replace stair rail; new lights throughout kitchen and family room; infill window in family room; demolish bay window and replace with regular window; replace window in dining room; addition wall along the side of the fireplace to create flat wall and n... see more
Valuation:
$102,154
Permit #:
BD-2022-283621
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Commercial - alteration
100 Oak Rim Way, Los Gatos, CA, 95032
2023-03-15
Building d- install hardie plank lap siding and hardie shingle siding on exterior walls of per proposed elevations.  remove existing wooden shade screen slats. remove all shade screen structural posts except (1) at stair landing per elevations.  remove existing metal entry awnings. provide new metal awnings at entry doors. install new steel railings at existing exterior stairs.  repla... see more
Valuation:
$85,228
Permit #:
B21-1004
Status:
final
Fee:
$2,596
Permit Type:
N/A
Building Type:
Apartment houses
Single family (alteration/repair) - kitchen & bathroom remodel (flat)
401 Hobart Ave, San Mateo, CA, 94402
2025-09-08
Like for like master bathroom renovation. new vanity same location. new tile shower walls and flooring. no wall alteration or layout changes. 176 sqft
Valuation:
$32,000
Permit #:
BD-2025-297903
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Single family (alteration/repair) - alter
759 26th Ave, San Mateo, CA, 94403
2023-07-19
Remodel of 613sf to masterbedroom - remodel to consist of removing the 2nd floor deck and opening leading out. enlarge master bathroom and closet replace drywall and electrical. in garage in-fill (e) window openings
Valuation:
$117,267
Permit #:
BD-2022-283948
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Single family (addition) - add/alter
804 Oregon Ave, San Mateo, CA, 94402
2022-03-25
Conversion of library to multi-purpose room to accommodate laundry and full bathroom. addition of conditioned space from the garage area where replacement of staircase and addition of skylight at stairwell. remodeling of 2 bathrooms and replacement of closet doors. 195 sft addition mpr/bath/laundry = 375 sq.ft. office = 166 sq.ft revision #1: deferred new water meter size and water su... see more
Valuation:
$178,232
Permit #:
BD-2020-275894
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Single family (alteration/repair) - foundation repair
400 W 38th Ave, San Mateo, CA, 94403
2023-07-18
Voluntary repair to stabilize the foundation against future additional settlement revision #1 - added scope to match issued plans: replace garage door header with (n)3.5 x 9.25 psl header and new plywood sheeting along same garage (issued 11/4/22)
Valuation:
$39,847
Permit #:
BD-2022-283769
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Single family (alteration/repair) - alter
741 Sequoia Ave, San Mateo, CA, 94403
2025-04-09
Total 818sf alteration to (e) 1-story sfd: demolish kitchen laundry room and bathroom to create (n) hallway bathroom and (n) open concept kitchen with island convert office to open concept family room (remove wall) combine half bathroom and full bathroom into master bathroom convert existing bedroom to laundry room replace existing fireplace to new gas fireplace. installation of build... see more
Valuation:
$156,483
Permit #:
BD-2022-283515
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Regular building permit
2600 Bowers Ave, Santa Clara, CA, 95051
2021-10-28
Convert (e) carport into a new attached adu. the unit is approximately 786 sq. ft. with two bedrooms. also remodel all bathrooms and kitchens in units 1, 2 and 3. unit 1 remodel requires removal of a load bearing wall and installation of new beams. all units to be served with new ductless mini heat pump systems and new electric hot water heaters. finally there is a new trash enclosure... see more
Valuation:
$488,530
Permit #:
BLD2021-61394
Status:
final
Fee:
$8,793
Permit Type:
N/A
Building Type:
N/A
Single family (alteration/repair) - alter
509 E Capistrano Way, San Mateo, CA, 94402
2024-10-08
Single family dwelling remodel of 370sf. remodel master bedroom: relocate master bathroom and install a new skylight. new hallway & door leading to master bedroom. replacement of (2) windows and new window opening. remodel hallway bathroom new rear exterior door with landing in bedroom 2
Valuation:
$90,724
Permit #:
BD-2023-291709
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Single family (addition) - addition
215 Harvard Rd, San Mateo, CA, 94402
2025-11-03
Adu attached to main house - new 2nd story addition of 343sf and conversion of 208sf of (e) 2nd floor from main residence. (total adu 551sf) *main single family dwelling addition and remodel under bd-2023-289088* *approved adu plans included in bd-2023-289088**
Valuation:
$50,000
Permit #:
BD-2023-291033
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Single family (alteration/repair) - alter
503 Barroilhet Ave, San Mateo, CA, 94402
2023-03-28
1) demolish existing finishes cabinets & fixtures. install new cabinets appliances finishes electrical outlets switches and lighting. 2) remove exterior kitchen french doors & install new single door. 3) install (2) new skylights. total 396 sq.ft
Valuation:
$70,207
Permit #:
BD-2022-283862
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Single family (addition) - add/alter
401 Hobart Ave, San Mateo, CA, 94402
2021-08-31
Total 239sf addition and 568sf alteration to (e) 2-story sfd: demolish 1st floor side stairs to addition addition work to remodel/enlarge (e) kitchen and family room with (n) powder room and new 76sf tex independent dec. interior remodel to convert (2) existing bedroom with closet and a bathroom into (2) new master suite. *no work on 2nd floor.* revision #1: alteration of 3 shear wall... see more
Valuation:
$170,000
Permit #:
BD-2019-274274
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A