ITEM 4. 19
CITY MANAGER' SREPORT
MAY 11, 2026 CITY COUNCIL REGULAR MEETING
ITEM: ACCEPT RIVER ISLANDS PARKWAY IMPROVEMENTS
IN TRACT 4167 FROM RIVER ISLANDS
RECOMMENDATION: Adopt Resolution to Accept River Islands Parkway Improvements in Tract 4167 from Califia, LLC and
River Islands Custom Homesites, LLC
SUMMARY:
Califia, LLC and River Islands Custom Homesites, LLC ( collectively, " River Islands") have completed the construction of the public improvements identified in the GASB 34 Reports ( Attachment " C") associated with the Subdivision Improvement Agreement (" SIA") for Final Map Tract 4167, Town Center (" Tract 4167").
Staff has inspected the improvements listed in Attachment " C", and the City Engineer has deemed them complete and in compliance with the approved plans and specifications. River Islands has submitted one- year warranty bonds equal to 10% of the completed construction costs, along with lien releases for the improvements proposed for acceptance. A vicinity map of the improvements is provided in Attachment " B".
Staff recommends that City Council accept the public improvements listed in Attachment " C".
BACKGROUND:
The City of Lathrop City Council approved Vesting Tentative Map ( VTM) 3694 on March 27, 2007, and an amended VTM 3694 with updated conditions of approval on June 1, 2015. On February 1, 2016, City Council approved Large Lot Map Tract 3876 for 19 undevelopable parcels. On March 20, 2024, the Planning Commission approved the Town Center Neighborhood Development Plan for the Town Center District of River Islands Phase 1. The land for Final Map Tract 4167 is within the geographic boundaries of VTM 3694 and Large Lot Map Tract 3876.
On May 1, 2017, City Council accepted the Bradshaw' sCrossing Bridge and Towne Centre Drive Undercrossing for public use. On June 19, 2017, City Council accepted River Islands Parkway from McKee Boulevard to Somerston Parkway as a public street following the completion of required punch list items. The improvements proposed for acceptance with this item represent roadway widening and frontage improvements along that previously accepted corridor, within the Town Center District.
On March 25, 2024, City Council approved the Final Map for Tract 4167 within the Town Center District for multi -family and commercial lots, a Common Use Agreement CITY MANAGER' SREPORT PAGE 2
MAY 11, 2026 CITY COUNCIL REGULAR MEETING
ACCEPT RIVER ISLANDS PARKWAY IMPROVEMENTS IN TRACT 4167 FROM
RIVER ISLANDS
with Island Reclamation District 2062, annexation into City of Lathrop Community Facilities District ( CFD) 2023- 1, and a Subdivision Improvement Agreement with Califia, LLC and River Islands Custom Homesites, LLC. In accordance with the Lathrop Municipal Code, approval of Tract 4167 included an SIA to ensure the completion of public improvements.
The GASB 34 Reports included as Attachment " C" identify a total construction cost of 1, 273, 955. 36for the River Islands Parkway improvements proposed for acceptance with this item. These improvements include roadway widening, curb, gutter, sidewalk, drainage, utilities, and frontage landscaping and irrigation along River Islands Parkway within the Town Center District.
Staff has inspected the public improvements for River Islands Parkway as listed in Attachment " C", and the City Engineer has deemed them complete and in compliance with the approved plans and specifications.
River Islands has provided the required one- year warranty bond equal to 10 percent of the construction cost and has provided lien releases for the improvements proposed for acceptance. The bonds are detailed in Table 1 below.
Not all improvements associated with the SIA for Tract 4167 have been completed.
Accordingly, the Performance and Labor & Materials bonds associated with the SIA for Tract 4167 will remain in place until all remaining SIA improvements are complete.
Table 1
Labor & Maintenance/ Tract No./ Project Performance Bond Materials Bond Warranty Bond
Name Number/ Value Number/ Value Number/ Value
Tract 4167 / River
0844445 / 0844445 /
Islands Parkway
6, 555, 010 (Not 3, 277, 505 (Not 3002145 /
Improvements proposed for
Release)
proposed for
Release)
127, 396. 00
REASON FOR RECOMMENDATION:
Staff has inspected the improvements listed in the GASB 34 Reports, included as Attachment " C", and has confirmed that they have been completed in accordance with City specifications.
River Islands has provided lien releases and a one- year maintenance bond for the completed improvements. Staff recommends that City Council accept the public improvements listed in Attachment " C".
CITY MANAGER' SREPORT PAGE 3
MAY 11, 2026 CITY COUNCIL REGULAR MEETING
ACCEPT RIVER ISLANDS PARKWAY IMPROVEMENTS IN TRACT 4167 FROM
RIVER ISLANDS
FISCAL IMPACT:
The City' s maintenance costs will increase to maintain the accepted improvements.
The warranty bond covers any repairs or replacements due to defective materials or workmanship for the completed improvements that may become necessary during the one- year period, beginning with this acceptance. The City' s Service Maintenance
CFD 2023- 1 has been established to fund City maintenance and operating costs.
ATTACHMENTS:
A. Resolution to Accept River Islands Parkway Improvements in Tract 4167 from River Islands
B. Vicinity Map
C. GASB 34 Reports
CITY MANAGER' S REPORT PAGE 4
MAY 11, 2026 CITY COUNCIL REGULAR MEETING
ACCEPT RIVER ISLANDS PARKWAY IMPROVEMENTS IN TRACT 4167 FROM
RIVER ISLANDS
APPROVALS:
4/ 2SYgib
Bellal Nabizadah Date
Assistant Engineer
BradTraylor
City Engineer
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Date
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Thomas Hedegard Date
Deputy City Manager
Z 3 • zoz.
Michael King Date
Assistant City Manager
Salvador Navarrete Date
City Attorney
S'•'/ •zozL
Stephen 3. Salvatore Date
City Manager
RESOLUTION NO. 26-
A RESOLUTION OF THE CITY COUNCIL OF THE CITY OF LATHROP TO ACCEPT RIVER ISLANDS PARKWAY IMPROVEMENTS IN TRACT 4167 FROM CALIFIA,
LLC AND RIVER ISLANDS CUSTOM HOMESITES, LLC
WHEREAS, the City of Lathrop City Council approved Vesting Tentative Map VTM) 3694 on March 27, 2007, and an amended VTM 3694 with updated conditions of approval on June 1, 2015. On February 1, 2016, City Council approved Large Lot Map Tract 3876 for 19 undevelopable parcels. The land for Final Map Tract 4167 is within the geographic boundaries of VTM 3694 and Large Lot Map Tract 3876; and WHEREAS, on May 1, 2017, City Council accepted the Bradshaw' sCrossing Bridge and Towne Centre Drive Undercrossing for public use, and on June 19, 2017, City Council accepted River Islands Parkway from McKee Boulevard to Somerston Parkway as a public street following the completion of required punch list items. The improvements proposed for acceptance with this item represent roadway widening and frontage improvements along that previously accepted corridor, within the Town Center District; and
WHEREAS, on March 20, 2024, the Planning Commission approved the Town Center Neighborhood Development Plan for the Town Center District of River Islands Phase 1; and
WHEREAS, on March 25, 2024, City Council approved the Final Map for Tract 4167 within the Town Center District for multi - family and commercial lots, a Common Use Agreement with Island Reclamation District 2062, annexation into City of Lathrop Community Facilities District ( CFD) 2023- 1, and a Subdivision Improvement Agreement with Califia, LLC and River Islands Custom Homesites, LLC. In accordance with the Lathrop Municipal Code, approval of Tract 4167 included a Subdivision Improvement Agreement ( SIA) to ensure the completion of public improvements; and
WHEREAS, staff has inspected the public improvements for River Islands Parkway as detailed in the GASB 34 Reports included as Attachment " C" to the City Manager' s Report that accompanied this Resolution, and the City Engineer has deemed them complete and in compliance with the approved plans and specifications; and
WHEREAS, not all improvements associated with the SIA for Tract 4167 have been completed. Accordingly, the Performance and Labor & Materials bonds associated with the SIA for Tract 4167 will remain in place until all remaining SIA improvements are complete; and
WHEREAS, Califia, LLC and River Islands Custom Homesites, LLC ( collectively, River Islands") have provided the required one- year warranty bond equal to 10 percent of the construction cost and have provided lien releases for the improvements proposed for acceptance. The bonds are detailed in Table 1 below Table 1
Tract No./ Project
Name
Performance
Bond
Number/ Value
Labor &
Materials Bond
Number/ Value
Maintenance/ W
arranty Bond
Number/ Value
Tract 4167 / River
Islands Parkway
Improvements
0844445 /
6, 555, 010 (Not
proposed for
Release)
0844445 /
3, 277, 505 (Not
proposed for
Release)
3002145 /
127, 396. 00
and
WHEREAS, the City' s
maintenance costs will increase to maintain the
accepted improvements. The warranty bond covers any repairs or replacements required due to defective materials or workmanship for the completed improvements that may become necessary during the one- year warranty period, beginning with the date of acceptance. The City' s
Service Maintenance CFD 2023- 1has been established
to fund City maintenance and operating costs.
NOW, THEREFORE, BE IT RESOLVED, that the City Council of the City of Lathrop does hereby accept the improvements listed in the GASB 34 Reports included as Attachment " C" of the City Manager' s Report that accompanied this Resolution.
The Performance and Labor & Materials bonds associated with the SIA for Tract 4167 shall remain in place until all remaining SIA improvements are complete.
PASSED AND ADOPTED by the City Council of the City of Lathrop this 11th day of May 2026 by the following vote:
AYES:
NOES:
ABSTAIN:
ABSENT:
Paul Akinjo, Mayor
ATTEST: APPROVED AS TO FORM:
Teresa Vargas
City Clerk
Salvador Navarrete
City Attorney
ENG1N££ R1G
River Islands Phase 1 - River Islands Parkway Expansion ( Bridge to Somerston)
AS- BUILTS
ITEM DESCRIPTION
ATTACHMENT
GASB- 34
Lathrop, CA
4/ 13/ 2026
UNIT QUANT. UNIT COST AMOUNT
A. Site Preparation
1 Site Grading ( Fine)
B. Flatwork / Surfacing / Walls
1 Cobbles/ Boulders
2 Permaloc Edging
C. Planting
SF 41, 738 $ 0. 50
SUB -TOTAL
20, 869. 00
20, 869. 00
SF 12, 265
LF 4,29
SUB -TOTAL
2.0 5. 00
26, 983. 00
22, 145. 00
49, 128. 00
1 1 Gallon Shrubs
2 15 Gallon Trees
3 Soil Conditioning & Amendments
4 Bark
5 Root Barrier
D. Irrigation Controls & Distribution
EA 3,07
EA 72
SF 29, 473
SF 29, 473
LF 1, 715
SUB - TOTAL
8. 25
120. 00
0. 30
0. 25
6. 00
27,82. 75
8, 640. 0
8,41. 90
7, 368. 25
10, 290. 0
62, 422. 90
1 18" o.c. In -line Drip Tubing Irrigation System
2 Pipe Transition Point
3 Flush cap & Valve Box
4 Operation Indicator
5 Sch 40 Ball Valve
6 Tree RWS System
7 QF Header ( 10-8/2)
8 Lateral Line
9 2 1/ 2" Main Line
10 1" Conduit - 2 -Wire Path
11 1" Valves, Boxes & Decoders
12 1" Valves/ Filter, Boxes & Decoders
13 3/ 4" Quick Couplers
Irrigation Sub -Total
NOTES:
LF 26, 623
EA 85
EA 154
EA 154
EA 85
EA 144
LF 781
LF 4, 847
LF 2, 170
LF 2, 167
EA 8
EA 20
EA 14
SF 29, 473
SUB - TOTAL
TOTAL
2. 02 59,35. 46
59,35. 46
191, 955. 36
1 Items not included as a part of this estimate:
A. Permits
B. Utility Fees
C. City fees, bond fees
D. Engineering/ design fees
E. Soils engineering cost
F. Erosion control & siltation cost, SWPPP
G. Landscaping Fees
H. Joint trench
I. Easement acquisitions
J. Power Pole Relocation
EST - 2026 - 04 - 13 -RI Ph1- RIP Expansion - Bridge to Somerstdn- GASB 34- 25511. 64 6200 5toneridge Mall Rd. Suite 330
Pleasanton, CA 94588
Westwood
CITY OF LATHROP
PROJECT ACCEPTANCE
GASB 34 REPORT)
Submitted by:
Tract No.: River Islands - Phase 1B River Islands Parkway Widening Item
7" AC Paving
13" Aggregate Base
12" Lime Treated Subgrade
Vertical Curb and Gutter ( with AB cushion)
Type F Median Curb ( with AB cushion)
6" AC Dike
Concrete Sidewalk
Bus Turnout
Driveway Approach
Handicap Ramps
Traffic Striping & Signing
15" Storm Drain Pipe ( RCP)
30" Storm Drain Pipe ( RCP)
36" Storm Drain Pipe ( RCP)
Catch Basins ( type 1 inlet)
Catch Basins (type I inlet over type I manhole base)
Manholes ( type I)
8" Sanitary Sewer Pipe ( PVC)
10" Sanitary Sewer Pipe ( PVC)
8" Water Line (including all appurtenances) (PVC)
Fire Hydrants
main ( 925) 223- 8340
Date: 3/1/ 2026
Unit Unit Price Amount
SF 105, 500 $ 3. 50 $ 369, 250. 0
SF 105, 500 $ 1. 95 $ 205, 725. 00
SF 105, 500 $ 1.0 $ 116, 050.
LF 2, 400 $ 25. 00 $ 60, 000.
LF 1, 450 $ 30. 00 $ 43, 500. 0
LF 380 $ 10. 00 $ 3, 800. 0
SF 18, 900 $ 6. 00 $ 113, 400. 0
EA 1 $ 10, 000. $ 10, 000.
EA 2 $ 600. 00 $ 1, 200. 0
EA 4 $ 2, 500. 0 $ 10, 000.
LF 2, 520 $ 5. 00 $ 12, 600. 0
LF 140 $ 70. 00 $ 9, 800. 0
LF 40 $ 120. 00 $ 4, 800. 0
LF 90 $ 160. 0 $ 14, 400. 0
EA 4 $ 4, 500. 0 $ 18, 000.
EA 2 $ 6, 500. 0 $ 13, 000.
EA 2 $ 9, 000. $ 18, 000.
LF 20 $ 90. 00 $ 1, 800. 0
LF 10 $ 130. 00 $ 1, 300. 00
LF 10 $ 80. 00 $ 800. 00
EA 5 $ 11, 000. $ 55, 000.
Total $ 1, 082,00. 0
westwoodps. com
888) 937- 5150